MariaDB 5.2 -> MariaDB 5.3 merge

113 files changed, 8498 insertions, 1765 deletions

diff --git a/mysql-test/r/archive.result b/mysql-test/r/archive.result
index c620eb97cab..f90bcb521e1 100644
--- a/mysql-test/r/archive.result
+++ b/mysql-test/r/archive.result
@@ -12728,3 +12728,31 @@ Table	Op	Msg_type	Msg_text
 test.t1	repair	Error	Table upgrade required. Please do "REPAIR TABLE `t1`" or dump/reload to fix it!
 test.t1	repair	error	Corrupt
 DROP TABLE t1;
+#
+# BUG#48757 - missing .ARZ file causes server crash
+#
+CREATE TABLE t1(a INT) ENGINE=ARCHIVE;
+FLUSH TABLE t1;
+SELECT * FROM t1;
+ERROR HY000: Can't find file: 't1' (errno: 2)
+DROP TABLE t1;
+ERROR 42S02: Unknown table 't1'
+#
+# BUG#46565 - repair of partition fail for archive engine
+#
+# Installing corrupted table files for t1.
+SELECT * FROM t1;
+ERROR HY000: Table 't1' is marked as crashed and should be repaired
+REPAIR TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	error	Corrupt
+SELECT * FROM t1;
+ERROR HY000: Table 't1' is marked as crashed and should be repaired
+REPAIR TABLE t1 EXTENDED;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	status	OK
+SELECT * FROM t1;
+a
+1
+2
+DROP TABLE t1;
diff --git a/mysql-test/r/backup.result b/mysql-test/r/backup.result
index bab2c83448c..89be20aee70 100644
--- a/mysql-test/r/backup.result
+++ b/mysql-test/r/backup.result
@@ -4,23 +4,23 @@ create table t4(n int);
 backup table t4 to '../../bogus';
 Table	Op	Msg_type	Msg_text
 test.t4	backup	error	Failed copying .frm file (errno: X)
-test.t4	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t4	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t4	backup	Error	Can't create/write to file 'MYSQLTEST_VARDIR/bogus/t4.frm' (Errcode: X)
 test.t4	backup	status	Operation failed
 backup table t4 to '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t4	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t4	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t4	backup	status	OK
 backup table t4 to '../../tmp';
 Table	Op	Msg_type	Msg_text
 test.t4	backup	error	Failed copying .frm file (errno: X)
-test.t4	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t4	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t4	backup	Error	Can't create/write to file 'MYSQLTEST_VARDIR/tmp/t4.frm' (Errcode: X)
 test.t4	backup	status	Operation failed
 drop table t4;
 restore table t4 from '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t4	restore	Warning	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t4	restore	Warning	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t4	restore	status	OK
 select count(*) from t4;
 count(*)
@@ -29,18 +29,18 @@ create table t1(n int);
 insert into t1 values (23),(45),(67);
 backup table t1 to '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t1	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t1	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t1	backup	status	OK
 drop table t1;
 restore table t1 from '../../bogus';
 Table	Op	Msg_type	Msg_text
 t1	restore	error	Failed copying .frm file
 Warnings:
-Warning	1287	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+Warning	1287	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 Error	29	File 'MYSQLTEST_VARDIR/bogus/t1.frm' not found (Errcode: X)
 restore table t1 from '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t1	restore	Warning	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t1	restore	Warning	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t1	restore	status	OK
 select n from t1;
 n
@@ -53,13 +53,13 @@ insert into t2 values (123),(145),(167);
 insert into t3 values (223),(245),(267);
 backup table t2,t3 to '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t2	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t2	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t2	backup	status	OK
 test.t3	backup	status	OK
 drop table t1,t2,t3;
 restore table t1,t2,t3 from '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t1	restore	Warning	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t1	restore	Warning	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t1	restore	status	OK
 test.t2	restore	status	OK
 test.t3	restore	status	OK
@@ -81,14 +81,14 @@ k
 drop table t1,t2,t3,t4;
 restore table t1 from '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t1	restore	Warning	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t1	restore	Warning	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t1	restore	status	OK
 rename table t1 to t5;
 lock tables t5 write;
 backup table t5 to '../../tmp';
 unlock tables;
 Table	Op	Msg_type	Msg_text
-test.t5	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t5	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t5	backup	status	OK
 drop table t5;
 DROP TABLE IF EXISTS `t+1`;
@@ -96,12 +96,12 @@ CREATE  TABLE `t+1` (c1 INT);
 INSERT  INTO  `t+1` VALUES (1), (2), (3);
 BACKUP  TABLE `t+1` TO '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t+1	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t+1	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t+1	backup	status	OK
 DROP    TABLE `t+1`;
 RESTORE TABLE `t+1` FROM '../../tmp';
 Table	Op	Msg_type	Msg_text
-test.t+1	restore	Warning	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t+1	restore	Warning	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t+1	restore	status	OK
 SELECT * FROM `t+1`;
 c1
diff --git a/mysql-test/r/bigint.result b/mysql-test/r/bigint.result
index 4a5b8fcf4aa..8f9b75fc664 100644
--- a/mysql-test/r/bigint.result
+++ b/mysql-test/r/bigint.result
@@ -404,3 +404,37 @@ describe t1;
 Field	Type	Null	Key	Default	Extra
 bi	decimal(19,0)	NO		0	
 drop table t1;
+#
+# Bug #45360: wrong results
+#
+CREATE TABLE t1 (id INT AUTO_INCREMENT PRIMARY KEY,
+a BIGINT(20) UNSIGNED,
+b VARCHAR(20));
+INSERT INTO t1 (a) VALUES
+(0),
+(CAST(0x7FFFFFFFFFFFFFFF AS UNSIGNED)),
+(CAST(0x8000000000000000 AS UNSIGNED)),
+(CAST(0xFFFFFFFFFFFFFFFF AS UNSIGNED));
+UPDATE t1 SET b = a;
+# FFFFFFFFFFFFFFFF
+EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE a = 18446744073709551615 AND TRIM(a) = b;
+SHOW WARNINGS;
+Level	Code	Message
+Note	1003	select 1 AS `1` from `test`.`t1` where ((`test`.`t1`.`a` = 18446744073709551615) and ('18446744073709551615' = `test`.`t1`.`b`))
+# 8000000000000000
+EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE a = 9223372036854775808 AND TRIM(a) = b;
+SHOW WARNINGS;
+Level	Code	Message
+Note	1003	select 1 AS `1` from `test`.`t1` where ((`test`.`t1`.`a` = 9223372036854775808) and ('9223372036854775808' = `test`.`t1`.`b`))
+# 7FFFFFFFFFFFFFFF
+EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE a = 9223372036854775807 AND TRIM(a) = b;
+SHOW WARNINGS;
+Level	Code	Message
+Note	1003	select 1 AS `1` from `test`.`t1` where ((`test`.`t1`.`a` = 9223372036854775807) and ('9223372036854775807' = `test`.`t1`.`b`))
+# 0
+EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE a = 0 AND TRIM(a) = b;
+SHOW WARNINGS;
+Level	Code	Message
+Note	1003	select 1 AS `1` from `test`.`t1` where ((`test`.`t1`.`a` = 0) and ('0' = `test`.`t1`.`b`))
+DROP TABLE t1;
+# End of 5.1 tests
diff --git a/mysql-test/r/bug39022.result b/mysql-test/r/bug39022.result
new file mode 100644
index 00000000000..5963709aa2a
--- /dev/null
+++ b/mysql-test/r/bug39022.result
@@ -0,0 +1,32 @@
+#
+# Bug #39022: Mysql randomly crashing in lock_sec_rec_cons_read_sees
+#
+CREATE TABLE t1(a TINYINT NOT NULL,b TINYINT,PRIMARY KEY(b)) ENGINE=innodb;
+CREATE TABLE t2(d TINYINT NOT NULL,UNIQUE KEY(d)) ENGINE=innodb;
+INSERT INTO t1 VALUES (13,0),(8,1),(9,2),(6,3),
+(11,5),(11,6),(7,7),(7,8),(4,9),(6,10),(3,11),(11,12),
+(12,13),(7,14);
+INSERT INTO t2 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
+(11),(12),(13),(14);
+# in thread1
+START TRANSACTION;
+# in thread2
+REPLACE INTO t2 VALUES (-17);
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+d
+# in thread1
+REPLACE INTO t1(a,b) VALUES (67,20);
+# in thread2
+COMMIT;
+START TRANSACTION;
+REPLACE INTO t1(a,b) VALUES (65,-50);
+REPLACE INTO t2 VALUES (-91);
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+# in thread1
+# should not crash
+SELECT d FROM t2,t1 WHERE d=(SELECT MAX(a) FROM t1 WHERE t1.a > t2.d);
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
+# in thread2
+d
+# in thread1;
+DROP TABLE t1,t2;
diff --git a/mysql-test/r/bug46261.result b/mysql-test/r/bug46261.result
new file mode 100644
index 00000000000..f54b698e08f
--- /dev/null
+++ b/mysql-test/r/bug46261.result
@@ -0,0 +1,8 @@
+#
+# Bug#46261 Plugins can be installed with --skip-grant-tables
+#
+INSTALL PLUGIN example SONAME 'ha_example.so';
+ERROR HY000: The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement
+UNINSTALL PLUGIN example;
+ERROR HY000: The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement
+End of 5.1 tests
diff --git a/mysql-test/r/change_user.result b/mysql-test/r/change_user.result
index 679e656c381..3c1e2b6f262 100644
--- a/mysql-test/r/change_user.result
+++ b/mysql-test/r/change_user.result
@@ -1,3 +1,36 @@
+grant select on test.* to test_nopw;
+grant select on test.* to test_oldpw identified by password "09301740536db389";
+grant select on test.* to test_newpw identified by "newpw";
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<root@localhost>	<root@localhost>	test
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<test_nopw@localhost>	<test_nopw@%>	NULL
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<test_oldpw@localhost>	<test_oldpw@%>	NULL
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<test_newpw@localhost>	<test_newpw@%>	NULL
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<root@localhost>	<root@localhost>	NULL
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<test_nopw@localhost>	<test_nopw@%>	test
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<test_oldpw@localhost>	<test_oldpw@%>	test
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<test_newpw@localhost>	<test_newpw@%>	test
+select concat('<', user(), '>'), concat('<', current_user(), '>'), database();
+concat('<', user(), '>')	concat('<', current_user(), '>')	database()
+<root@localhost>	<root@localhost>	test
+drop user test_nopw;
+drop user test_oldpw;
+drop user test_newpw;
 Bug#20023
 SELECT @@session.sql_big_selects;
 @@session.sql_big_selects
diff --git a/mysql-test/r/compare.result b/mysql-test/r/compare.result
index f9563b89b76..796821a87bd 100644
--- a/mysql-test/r/compare.result
+++ b/mysql-test/r/compare.result
@@ -88,7 +88,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1276	Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
 Note	1276	Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,(select count(0) AS `COUNT(*)` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t2`.`a`) and (concat(`test`.`t1`.`b`,`test`.`t1`.`c`) = concat('0',`test`.`t2`.`a`,'01')))) AS `x` from `test`.`t2` order by `test`.`t2`.`a`
+Note	1003	select `test`.`t2`.`a` AS `a`,(select count(0) from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t2`.`a`) and (concat(`test`.`t1`.`b`,`test`.`t1`.`c`) = concat('0',`test`.`t2`.`a`,'01')))) AS `x` from `test`.`t2` order by `test`.`t2`.`a`
 DROP TABLE t1,t2;
 CREATE TABLE t1 (a TIMESTAMP);
 INSERT INTO t1 VALUES (NOW()),(NOW()),(NOW());
diff --git a/mysql-test/r/connect.result b/mysql-test/r/connect.result
index fbe562c283c..690a6fb3bc3 100644
--- a/mysql-test/r/connect.result
+++ b/mysql-test/r/connect.result
@@ -225,3 +225,17 @@ Connection on extra port 2 ok
 # ------------------------------------------------------------------
 # -- End of 5.1 tests
 # ------------------------------------------------------------------
+CREATE USER mysqltest_up1 IDENTIFIED VIA mysql_native_password using '*E8D46CE25265E545D225A8A6F1BAF642FEBEE5CB';
+CREATE USER mysqltest_up2 IDENTIFIED VIA mysql_old_password using '09301740536db389';
+connect(localhost,mysqltest_up1,foo,test,MASTER_PORT,MASTER_SOCKET);
+ERROR 28000: Access denied for user 'mysqltest_up1'@'localhost' (using password: YES)
+select user(), current_user();
+user()	current_user()
+mysqltest_up1@localhost	mysqltest_up1@%
+connect(localhost,mysqltest_up2,newpw,test,MASTER_PORT,MASTER_SOCKET);
+ERROR 28000: Access denied for user 'mysqltest_up2'@'localhost' (using password: YES)
+select user(), current_user();
+user()	current_user()
+mysqltest_up2@localhost	mysqltest_up2@%
+DROP USER mysqltest_up1@'%';
+DROP USER mysqltest_up2@'%';
diff --git a/mysql-test/r/csv.result b/mysql-test/r/csv.result
index 4b96f5a5ed0..e2eebdfc992 100644
--- a/mysql-test/r/csv.result
+++ b/mysql-test/r/csv.result
@@ -5394,17 +5394,24 @@ select * from t1;
 ERROR HY000: File 'MYSQLD_DATADIR/test/t1.CSV' not found (Errcode: 2)
 unlock tables;
 drop table t1;
-create table t1(a enum ('a') not null) engine=csv;
-insert into t1 values (2);
+CREATE TABLE t1 (e enum('foo','bar') NOT NULL) ENGINE = CSV;
+INSERT INTO t1 VALUES();
+INSERT INTO t1 VALUES(default);
+INSERT INTO t1 VALUES(0);
 Warnings:
-Warning	1265	Data truncated for column 'a' at row 1
-select * from t1 limit 1;
-ERROR HY000: Table 't1' is marked as crashed and should be repaired
-repair table t1;
-Table	Op	Msg_type	Msg_text
-test.t1	repair	Warning	Data truncated for column 'a' at row 1
-test.t1	repair	status	OK
-select * from t1 limit 1;
-a
-drop table t1;
+Warning	1265	Data truncated for column 'e' at row 1
+INSERT INTO t1 VALUES(3);
+Warnings:
+Warning	1265	Data truncated for column 'e' at row 1
+INSERT INTO t1 VALUES(-1);
+Warnings:
+Warning	1265	Data truncated for column 'e' at row 1
+SELECT * FROM t1;
+e
+foo
+foo
+
+
+
+DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/ctype_ldml.result b/mysql-test/r/ctype_ldml.result
index d5585dcfad9..aa9fb478217 100644
--- a/mysql-test/r/ctype_ldml.result
+++ b/mysql-test/r/ctype_ldml.result
@@ -49,6 +49,15 @@ SELECT * FROM t1 WHERE LOWER(a)=LOWER('N');
 a
 DROP TABLE t1;
 #
+# Bug#51976 LDML collations issue (cyrillic example)
+#
+CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci);
+INSERT INTO t1 (a) VALUES ('Hello');
+SELECT a, UPPER(a), LOWER(a) FROM t1;
+a	UPPER(a)	LOWER(a)
+Hello	HELLO	hello
+DROP TABLE t1;
+#
 # Bug#43827 Server closes connections and restarts
 #
 CREATE TABLE t1 (c1 VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci);
diff --git a/mysql-test/r/ctype_ucs.result b/mysql-test/r/ctype_ucs.result
index 1e6153d9f92..cc33980c1a2 100644
--- a/mysql-test/r/ctype_ucs.result
+++ b/mysql-test/r/ctype_ucs.result
@@ -1230,6 +1230,14 @@ SELECT HEX(DAYNAME(19700101));
 HEX(DAYNAME(19700101))
 0427043504420432043504400433
 SET character_set_connection=latin1;
+#
+# Bug#52120 create view cause Assertion failed: 0, file .\item_subselect.cc, line 817
+#
+CREATE TABLE t1 (a CHAR(1) CHARSET ascii, b CHAR(1) CHARSET latin1);
+CREATE VIEW v1 AS SELECT 1 from t1
+WHERE t1.b <=> (SELECT a FROM t1 WHERE a < SOME(SELECT '1'));
+DROP VIEW v1;
+DROP TABLE t1;
 End of 5.0 tests
 Start of 5.1 tests
 SET NAMES utf8;
diff --git a/mysql-test/r/default.result b/mysql-test/r/default.result
index 5b0d82407a2..9afffe4c3bc 100644
--- a/mysql-test/r/default.result
+++ b/mysql-test/r/default.result
@@ -180,7 +180,6 @@ insert into bug20691 values (2, 3, 5, '0007-01-01', 11, 13, 17, '0019-01-01 00:0
 insert into bug20691 values (DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, DEFAULT, 4);
 Warnings:
 Warning	1364	Field 'a' doesn't have a default value
-Warning	1364	Field 'b' doesn't have a default value
 Warning	1364	Field 'c' doesn't have a default value
 Warning	1364	Field 'd' doesn't have a default value
 Warning	1364	Field 'e' doesn't have a default value
@@ -193,7 +192,7 @@ a	b	c	d	e	f	g	h	i	x
 two	large	00:00:05	0007-01-01	11	13	17	0019-01-01 00:00:00	23	1
 	small	00:00:00	0000-00-00	0			0000-00-00 00:00:00	0	2
 two	large	00:00:05	0007-01-01	11	13	17	0019-01-01 00:00:00	23	3
-		00:00:00	0000-00-00	0			0000-00-00 00:00:00	0	4
+	small	00:00:00	0000-00-00	0			0000-00-00 00:00:00	0	4
 drop table bug20691;
 create table t1 (id int not null);
 insert into t1 values(default);
diff --git a/mysql-test/r/delete.result b/mysql-test/r/delete.result
index 58278492985..77b2071494d 100644
--- a/mysql-test/r/delete.result
+++ b/mysql-test/r/delete.result
@@ -278,6 +278,18 @@ DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
 ERROR 42000: Incorrect number of arguments for FUNCTION test.f1; expected 0, got 1
 DROP TABLE t1;
 DROP FUNCTION f1;
+#
+# Bug #49552 : sql_buffer_result cause crash + not found records 
+#   in multitable delete/subquery
+#
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SET SESSION SQL_BUFFER_RESULT=1;
+DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
+SET SESSION SQL_BUFFER_RESULT=DEFAULT;
+SELECT * FROM t1;
+a
+DROP TABLE t1;
 End of 5.0 tests
 #
 # Bug#46958: Assertion in Diagnostics_area::set_ok_status, trigger, 
@@ -337,16 +349,4 @@ END |
 DELETE IGNORE FROM t1;
 ERROR HY000: Can't update table 't1' in stored function/trigger because it is already used by statement which invoked this stored function/trigger.
 DROP TABLE t1;
-#
-# Bug #49552 : sql_buffer_result cause crash + not found records 
-#   in multitable delete/subquery
-#
-CREATE TABLE t1(a INT);
-INSERT INTO t1 VALUES (1),(2),(3);
-SET SESSION SQL_BUFFER_RESULT=1;
-DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
-SET SESSION SQL_BUFFER_RESULT=DEFAULT;
-SELECT * FROM t1;
-a
-DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/error_simulation.result b/mysql-test/r/error_simulation.result
index 6153dad2534..27e51a33112 100644
--- a/mysql-test/r/error_simulation.result
+++ b/mysql-test/r/error_simulation.result
@@ -18,3 +18,26 @@ SELECT MAX(a) FROM t1 GROUP BY a,b;
 ERROR 23000: Can't write; duplicate key in table 'tmp_table'
 set tmp_table_size=default;
 DROP TABLE t1;
+#
+# Bug #50946: fast index creation still seems to copy the table
+#
+CREATE TABLE t1 (a INT(100) NOT NULL);
+INSERT INTO t1 VALUES (1), (0), (2);
+SET SESSION debug='+d,alter_table_only_index_change';
+ALTER TABLE t1 ADD INDEX a(a);
+SET SESSION debug=DEFAULT;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(100) NOT NULL,
+  KEY `a` (`a`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+SELECT * FROM t1;
+a
+0
+1
+2
+DROP TABLE t1;
+#
+# End of 5.1 tests
+#
diff --git a/mysql-test/r/events_bugs.result b/mysql-test/r/events_bugs.result
index 50bfa97c59f..da53790acd6 100644
--- a/mysql-test/r/events_bugs.result
+++ b/mysql-test/r/events_bugs.result
@@ -729,9 +729,8 @@ set @@sql_mode= pow(2,32)-1;
 create event e1 on schedule every 1 day do select 1;
 select @@sql_mode;
 @@sql_mode
-REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,?,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH
+REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH
 set @@sql_mode= @old_mode;
-select replace(@full_mode, '?', 'NOT_USED') into @full_mode;
 select replace(@full_mode, 'ALLOW_INVALID_DATES', 'INVALID_DATES') into @full_mode;
 select name from mysql.event where name = 'p' and sql_mode = @full_mode;
 name
diff --git a/mysql-test/r/explain.result b/mysql-test/r/explain.result
index 860c1b90652..b38d0221025 100644
--- a/mysql-test/r/explain.result
+++ b/mysql-test/r/explain.result
@@ -168,6 +168,23 @@ WHERE t1.a = d1.a;
 ERROR 42S22: Unknown column 'd1.a' in 'where clause'
 DROP TABLE t1;
 #
+# Bug#48295:
+# explain extended crash with subquery and ONLY_FULL_GROUP_BY sql_mode
+#
+CREATE TABLE t1 (f1 INT);
+SELECT @@session.sql_mode INTO @old_sql_mode;
+SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
+EXPLAIN EXTENDED SELECT 1 FROM t1
+WHERE f1 > ALL( SELECT t.f1 FROM t1,t1 AS t );
+ERROR 42000: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
+SHOW WARNINGS;
+Level	Code	Message
+Error	1140	Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
+Note	1003	select 1 AS `1` from `test`.`t1` where <not>(<exists>(...))
+SET SESSION sql_mode=@old_sql_mode;
+DROP TABLE t1;
+End of 5.0 tests.
+#
 # Bug#37870: Usage of uninitialized value caused failed assertion.
 #
 create table t1 (dt datetime not null, t time not null);
@@ -195,19 +212,30 @@ dt
 2001-01-01 01:01:01
 drop tables t1, t2;
 #
-# Bug#48295:
-# explain extended crash with subquery and ONLY_FULL_GROUP_BY sql_mode
+# Bug#47669: Query showed by EXPLAIN EXTENDED gives different result from original query
 #
-CREATE TABLE t1 (f1 INT);
-SELECT @@session.sql_mode INTO @old_sql_mode;
-SET SESSION sql_mode='ONLY_FULL_GROUP_BY';
-EXPLAIN EXTENDED SELECT 1 FROM t1
-WHERE f1 > ALL( SELECT t.f1 FROM t1,t1 AS t );
-ERROR 42000: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
-SHOW WARNINGS;
-Level	Code	Message
-Error	1140	Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
-Note	1003	select 1 AS `1` from `test`.`t1` where <not>(<exists>(...))
-SET SESSION sql_mode=@old_sql_mode;
-DROP TABLE t1;
+CREATE TABLE t1 (c int);
+INSERT INTO t1 VALUES (NULL);
+CREATE TABLE t2 (d int);
+INSERT INTO t2 VALUES (NULL), (0);
+EXPLAIN EXTENDED SELECT (SELECT 1 FROM t2 WHERE d = c) FROM t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1276	Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
+Note	1003	select (select 1 from `test`.`t2` where (`test`.`t2`.`d` = NULL)) AS `(SELECT 1 FROM t2 WHERE d = c)` from `test`.`t1`
+DROP TABLE t1, t2;
+#
+# Bug #48419: another explain crash..
+#
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (b BLOB, KEY b(b(100)));
+INSERT INTO t2 VALUES ('1'), ('2'), ('3');
+FLUSH TABLES;
+EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT 1 FROM t1 t JOIN t2 WHERE b <= 1 AND t.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+DROP TABLE t1, t2;
 End of 5.1 tests.
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result
index 360ba84c491..8b88f3138c7 100644
--- a/mysql-test/r/fulltext.result
+++ b/mysql-test/r/fulltext.result
@@ -611,6 +611,26 @@ WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE)
 count(*)
 0
 DROP TABLE t1,t2,t3;
+CREATE TABLE t1 (a VARCHAR(4), FULLTEXT(a));
+INSERT INTO t1 VALUES
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),
+('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('cwrd'),('awrd'),('cwrd'),
+('awrd');
+SELECT COUNT(*) FROM t1 WHERE MATCH(a) AGAINST("+awrd bwrd* +cwrd*" IN BOOLEAN MODE);
+COUNT(*)
+0
+DROP TABLE t1;
 #
 # Bug #49445: Assertion failed: 0, file .\item_row.cc, line 55 with 
 #   fulltext search and row op
@@ -619,4 +639,17 @@ CREATE TABLE t1(a CHAR(1),FULLTEXT(a));
 SELECT 1 FROM t1 WHERE MATCH(a) AGAINST ('') AND ROW(a,a) > ROW(1,1);
 1
 DROP TABLE t1;
+#
+# BUG#51866 - crash with repair by sort and fulltext keys
+#
+CREATE TABLE t1(a CHAR(4), FULLTEXT(a));
+INSERT INTO t1 VALUES('aaaa');
+SET myisam_sort_buffer_size=4;
+Warnings:
+Warning	1292	Truncated incorrect myisam_sort_buffer_size value: '4'
+REPAIR TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	status	OK
+SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
+DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/func_concat.result b/mysql-test/r/func_concat.result
index 1a909cba9d5..925158ab129 100644
--- a/mysql-test/r/func_concat.result
+++ b/mysql-test/r/func_concat.result
@@ -130,4 +130,22 @@ SELECT @query;
 @query
 abcde,0,1234
 DROP PROCEDURE p1;
+#
+# Bug #40625: Concat fails on DOUBLE values in a Stored Procedure,
+#             while DECIMAL works
+#
+CREATE PROCEDURE p1()
+BEGIN
+DECLARE v1 DOUBLE(10,3);
+SET v1= 100;
+SET @s = CONCAT('########################################', 40 , v1);
+SELECT @s;
+END;//
+CALL p1();
+@s
+########################################40100.000
+CALL p1();
+@s
+########################################40100.000
+DROP PROCEDURE p1;
 # End of 5.1 tests
diff --git a/mysql-test/r/func_gconcat.result b/mysql-test/r/func_gconcat.result
index 3b78851a1b9..766f3b6bfaa 100644
--- a/mysql-test/r/func_gconcat.result
+++ b/mysql-test/r/func_gconcat.result
@@ -978,4 +978,36 @@ GROUP BY t1.a
 1
 1
 DROP TABLE t1, t2;
+CREATE TABLE t1 (f1 INT);
+INSERT INTO t1 VALUES (),();
+EXPLAIN EXTENDED SELECT 1 FROM
+(SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	1	100.00	
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort; Distinct
+2	DERIVED	td	ALL	NULL	NULL	NULL	NULL	2	100.00	Distinct; Using join buffer
+Warnings:
+Note	1003	select 1 AS `1` from (select distinct group_concat(`test`.`td`.`f1` separator ',') AS `GROUP_CONCAT(td.f1)` from `test`.`t1` join `test`.`t1` `td` group by `test`.`td`.`f1`) `d` join `test`.`t1`
+SELECT 1 FROM
+(SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1;
+1
+1
+1
+DROP TABLE t1;
+#
+# Bug #52397: another crash with explain extended and group_concat
+#
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (0), (0);
+EXPLAIN EXTENDED SELECT 1 FROM
+(SELECT GROUP_CONCAT(t1.a ORDER BY t1.a ASC) FROM 
+t1 t2, t1 GROUP BY t1.a) AS d;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	1	100.00	
+2	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
+2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using join buffer
+Warnings:
+Note	1003	select 1 AS `1` from (select group_concat(`test`.`t1`.`a` order by `test`.`t1`.`a` ASC separator ',') AS `GROUP_CONCAT(t1.a ORDER BY t1.a ASC)` from `test`.`t1` `t2` join `test`.`t1` group by `test`.`t1`.`a`) `d`
+DROP TABLE t1;
 End of 5.0 tests
diff --git a/mysql-test/r/func_str.result b/mysql-test/r/func_str.result
index d144e84dfdc..4268268fabb 100644
--- a/mysql-test/r/func_str.result
+++ b/mysql-test/r/func_str.result
@@ -1307,12 +1307,12 @@ explain extended select encode(f1,'zxcv') as 'enc' from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select encode('','zxcv') AS `enc` from `test`.`t1`
+Note	1003	select encode(NULL,'zxcv') AS `enc` from `test`.`t1`
 explain extended select decode(f1,'zxcv') as 'enc' from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select decode('','zxcv') AS `enc` from `test`.`t1`
+Note	1003	select decode(NULL,'zxcv') AS `enc` from `test`.`t1`
 drop table t1;
 create table t1 (a bigint not null)engine=myisam;
 insert into t1 set a = 1024*1024*1024*4;
@@ -2587,3 +2587,17 @@ FROM t2 WHERE t2.b = 1 GROUP BY t2.b;
 DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b LIMIT 1), t2.a)
 secret
 DROP TABLE t1, t2;
+#
+# Bug#52164 Assertion failed: param.sort_length, file .\filesort.cc, line 149
+#
+CREATE TABLE t1 (a LONGBLOB NOT NULL);
+INSERT INTO t1 VALUES (''),('');
+SELECT 1 FROM t1, t1 t2
+ORDER BY QUOTE(t1.a);
+1
+1
+1
+1
+1
+DROP TABLE t1;
+End of 5.1 tests
diff --git a/mysql-test/r/func_time.result b/mysql-test/r/func_time.result
index 2ac549a5abd..8b96a60b79c 100644
--- a/mysql-test/r/func_time.result
+++ b/mysql-test/r/func_time.result
@@ -682,7 +682,7 @@ select timestampadd(SQL_TSI_FRAC_SECOND, 1, date) from t1;
 timestampadd(SQL_TSI_FRAC_SECOND, 1, date)
 2003-01-02 00:00:00.000001
 Warnings:
-Warning	1287	The syntax 'FRAC_SECOND' is deprecated and will be removed in MySQL 5.6. Please use MICROSECOND instead
+Warning	1287	'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
 select timestampdiff(MONTH, '2001-02-01', '2001-05-01') as a;
 a
 3
@@ -717,7 +717,7 @@ select timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05
 a
 7689538999999
 Warnings:
-Warning	1287	The syntax 'FRAC_SECOND' is deprecated and will be removed in MySQL 5.6. Please use MICROSECOND instead
+Warning	1287	'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
 select timestampdiff(SQL_TSI_DAY, '1986-02-01', '1986-03-01') as a1,
 timestampdiff(SQL_TSI_DAY, '1900-02-01', '1900-03-01') as a2,
 timestampdiff(SQL_TSI_DAY, '1996-02-01', '1996-03-01') as a3,
@@ -1088,7 +1088,7 @@ timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Warning	1287	The syntax 'FRAC_SECOND' is deprecated and will be removed in MySQL 5.6. Please use MICROSECOND instead
+Warning	1287	'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
 Note	1003	select timestampdiff(WEEK,'2001-02-01','2001-05-01') AS `a1`,timestampdiff(SECOND_FRAC,'2001-02-01 12:59:59.120000','2001-05-01 12:58:58.119999') AS `a2`
 select time_format('100:00:00', '%H %k %h %I %l');
 time_format('100:00:00', '%H %k %h %I %l')
@@ -1120,7 +1120,7 @@ drop function t_slow_sysdate;
 drop table t1;
 SET GLOBAL log_bin_trust_function_creators = 0;
 create table t1 (a datetime, i int, b datetime);
-insert into t1 select sysdate(), sleep(1), sysdate() from dual;
+insert into t1 select sysdate(), sleep(2), sysdate() from dual;
 select a != b from t1;
 a != b
 1
@@ -1287,12 +1287,12 @@ SELECT TIMESTAMPADD(FRAC_SECOND, 1, '2008-02-18');
 TIMESTAMPADD(FRAC_SECOND, 1, '2008-02-18')
 2008-02-18 00:00:00.000001
 Warnings:
-Warning	1287	The syntax 'FRAC_SECOND' is deprecated and will be removed in MySQL 5.6. Please use MICROSECOND instead
+Warning	1287	'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
 SELECT TIMESTAMPDIFF(FRAC_SECOND, '2008-02-17', '2008-02-18');
 TIMESTAMPDIFF(FRAC_SECOND, '2008-02-17', '2008-02-18')
 86400000000
 Warnings:
-Warning	1287	The syntax 'FRAC_SECOND' is deprecated and will be removed in MySQL 5.6. Please use MICROSECOND instead
+Warning	1287	'FRAC_SECOND' is deprecated and will be removed in a future release. Please use MICROSECOND instead
 SELECT DATE_ADD('2008-02-18', INTERVAL 1 FRAC_SECOND);
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FRAC_SECOND)' at line 1
 SELECT DATE_SUB('2008-02-18', INTERVAL 1 FRAC_SECOND);
diff --git a/mysql-test/r/gis-rtree.result b/mysql-test/r/gis-rtree.result
index 4fa2f63598c..a28f537b2de 100644
--- a/mysql-test/r/gis-rtree.result
+++ b/mysql-test/r/gis-rtree.result
@@ -1076,4 +1076,26 @@ SELECT 1 FROM t1 WHERE a >= GEOMFROMTEXT('LINESTRING(-1 -1, 1 -1, -1 -1, -1 1, 1
 1
 1
 DROP TABLE t1;
+#
+# Bug #51357: crash when using handler commands on spatial indexes
+#
+CREATE TABLE t1(a GEOMETRY NOT NULL,SPATIAL INDEX a(a));
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+a
+HANDLER t1 READ a NEXT;
+a
+HANDLER t1 READ a PREV;
+a
+HANDLER t1 READ a LAST;
+a
+HANDLER t1 CLOSE;
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+a
+INSERT INTO t1 VALUES (GeomFromText('Polygon((40 40,60 40,60 60,40 60,40 40))'));
+# should not crash
+HANDLER t1 READ a NEXT;
+HANDLER t1 CLOSE;
+DROP TABLE t1;
 End of 5.0 tests.
diff --git a/mysql-test/r/grant.result b/mysql-test/r/grant.result
index 8a3312da05e..f410b26a1fe 100644
--- a/mysql-test/r/grant.result
+++ b/mysql-test/r/grant.result
@@ -13,8 +13,8 @@ GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE CIPHER 'EDH-RSA-DES-CBC3
 GRANT SELECT ON `mysqltest`.* TO 'mysqltest_1'@'localhost'
 grant delete on mysqltest.* to mysqltest_1@localhost;
 select * from mysql.user where user="mysqltest_1";
-Host	User	Password	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Reload_priv	Shutdown_priv	Process_priv	File_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Show_db_priv	Super_priv	Create_tmp_table_priv	Lock_tables_priv	Execute_priv	Repl_slave_priv	Repl_client_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	Event_priv	Trigger_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_connections
-localhost	mysqltest_1		N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	SPECIFIED	EDH-RSA-DES-CBC3-SHA			0	0	0	0
+Host	User	Password	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Reload_priv	Shutdown_priv	Process_priv	File_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Show_db_priv	Super_priv	Create_tmp_table_priv	Lock_tables_priv	Execute_priv	Repl_slave_priv	Repl_client_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	Event_priv	Trigger_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_connections	plugin	auth_string
+localhost	mysqltest_1		N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	SPECIFIED	EDH-RSA-DES-CBC3-SHA			0	0	0	0		
 show grants for mysqltest_1@localhost;
 Grants for mysqltest_1@localhost
 GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' REQUIRE CIPHER 'EDH-RSA-DES-CBC3-SHA'
@@ -44,15 +44,15 @@ delete from mysql.user where user='mysqltest_1';
 flush privileges;
 grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 10;
 select * from mysql.user where user="mysqltest_1";
-Host	User	Password	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Reload_priv	Shutdown_priv	Process_priv	File_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Show_db_priv	Super_priv	Create_tmp_table_priv	Lock_tables_priv	Execute_priv	Repl_slave_priv	Repl_client_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	Event_priv	Trigger_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_connections
-localhost	mysqltest_1		N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N					10	0	0	0
+Host	User	Password	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Reload_priv	Shutdown_priv	Process_priv	File_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Show_db_priv	Super_priv	Create_tmp_table_priv	Lock_tables_priv	Execute_priv	Repl_slave_priv	Repl_client_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	Event_priv	Trigger_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_connections	plugin	auth_string
+localhost	mysqltest_1		N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N					10	0	0	0		
 show grants for mysqltest_1@localhost;
 Grants for mysqltest_1@localhost
 GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10
 grant usage on *.* to mysqltest_1@localhost with max_updates_per_hour 20 max_connections_per_hour 30;
 select * from mysql.user where user="mysqltest_1";
-Host	User	Password	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Reload_priv	Shutdown_priv	Process_priv	File_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Show_db_priv	Super_priv	Create_tmp_table_priv	Lock_tables_priv	Execute_priv	Repl_slave_priv	Repl_client_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	Event_priv	Trigger_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_connections
-localhost	mysqltest_1		N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N					10	20	30	0
+Host	User	Password	Select_priv	Insert_priv	Update_priv	Delete_priv	Create_priv	Drop_priv	Reload_priv	Shutdown_priv	Process_priv	File_priv	Grant_priv	References_priv	Index_priv	Alter_priv	Show_db_priv	Super_priv	Create_tmp_table_priv	Lock_tables_priv	Execute_priv	Repl_slave_priv	Repl_client_priv	Create_view_priv	Show_view_priv	Create_routine_priv	Alter_routine_priv	Create_user_priv	Event_priv	Trigger_priv	ssl_type	ssl_cipher	x509_issuer	x509_subject	max_questions	max_updates	max_connections	max_user_connections	plugin	auth_string
+localhost	mysqltest_1		N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N					10	20	30	0		
 show grants for mysqltest_1@localhost;
 Grants for mysqltest_1@localhost
 GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_QUERIES_PER_HOUR 10 MAX_UPDATES_PER_HOUR 20 MAX_CONNECTIONS_PER_HOUR 30
@@ -164,6 +164,7 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
+Warning	1364	Field 'auth_string' doesn't have a default value
 insert into mysql.db (host, db, user, select_priv) values
 ('localhost', 'a%', 'test11', 'Y'), ('localhost', 'ab%', 'test11', 'Y');
 alter table mysql.db order by db asc;
@@ -1413,3 +1414,19 @@ DROP USER 'user1';
 DROP USER 'user1'@'localhost';
 DROP USER 'user2';
 DROP DATABASE db1;
+CREATE DATABASE db1;
+CREATE DATABASE db2;
+GRANT SELECT ON db1.* to 'testbug'@localhost;
+USE db2;
+CREATE TABLE t1 (a INT);
+USE test;
+SELECT * FROM `../db2/tb2`;
+ERROR 42S02: Table 'db1.../db2/tb2' doesn't exist
+SELECT * FROM `../db2`.tb2;
+ERROR 42000: SELECT command denied to user 'testbug'@'localhost' for table 'tb2'
+SELECT * FROM `#mysql50#/../db2/tb2`;
+ERROR 42S02: Table 'db1.#mysql50#/../db2/tb2' doesn't exist
+DROP USER 'testbug'@localhost;
+DROP TABLE db2.t1;
+DROP DATABASE db1;
+DROP DATABASE db2;
diff --git a/mysql-test/r/grant2.result b/mysql-test/r/grant2.result
index 12269f0cb1c..ee3fe1540b9 100644
--- a/mysql-test/r/grant2.result
+++ b/mysql-test/r/grant2.result
@@ -287,6 +287,7 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
+Warning	1364	Field 'auth_string' doesn't have a default value
 create user mysqltest_A@'%';
 rename user mysqltest_B@'%' to mysqltest_C@'%';
 drop user mysqltest_C@'%';
@@ -354,6 +355,7 @@ Warnings:
 Warning	1364	Field 'ssl_cipher' doesn't have a default value
 Warning	1364	Field 'x509_issuer' doesn't have a default value
 Warning	1364	Field 'x509_subject' doesn't have a default value
+Warning	1364	Field 'auth_string' doesn't have a default value
 INSERT INTO mysql.db (host, db, user, select_priv) VALUES
 ('%','TESTDB','mysqltest_1','Y');
 FLUSH PRIVILEGES;
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result
index 4b1ee3bec8a..991158970ae 100644
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@@ -1703,3 +1703,91 @@ COUNT(i)
 1
 DROP TABLE t1;
 SET @@sql_mode = @old_sql_mode;
+#
+# Bug #45640: optimizer bug produces wrong results
+#
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (4, 40), (1, 10), (2, 20), (2, 20), (3, 30);
+# should return 4 ordered records:
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
+aa	COUNT(DISTINCT b)
+1	1
+2	1
+3	1
+4	1
+SELECT (SELECT (SELECT t1.a)) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
+aa	COUNT(DISTINCT b)
+1	1
+2	1
+3	1
+4	1
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
+aa	COUNT(DISTINCT b)
+1	1
+2	1
+3	1
+4	1
+# should return the same result in a reverse order:
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
+aa	COUNT(DISTINCT b)
+4	1
+3	1
+2	1
+1	1
+# execution plan should not use temporary table:
+EXPLAIN EXTENDED
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1276	Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
+Note	1003	select (select `test`.`t1`.`a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by ((select `test`.`t1`.`a`) + 0)
+EXPLAIN EXTENDED
+SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1276	Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
+Note	1003	select (select `test`.`t1`.`a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -((select `test`.`t1`.`a`))
+# should return only one record
+SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
+GROUP BY aa;
+aa	COUNT(DISTINCT b)
+4	4
+CREATE TABLE t2 SELECT DISTINCT a FROM t1;
+# originally reported queries (1st two columns of next two query
+# results should be same):
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
+FROM t1 GROUP BY aa, b;
+aa	b	COUNT(DISTINCT b)
+1	10	1
+2	20	1
+3	30	1
+4	40	1
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
+FROM t1 GROUP BY aa, b;
+aa	b	COUNT(         b)
+1	10	1
+2	20	2
+3	30	1
+4	40	1
+# ORDER BY for sure:
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
+FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
+aa	b	COUNT(DISTINCT b)
+4	40	1
+3	30	1
+2	20	1
+1	10	1
+SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(         b)
+FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
+aa	b	COUNT(         b)
+4	40	1
+3	30	1
+2	20	2
+1	10	1
+DROP TABLE t1, t2;
+#
+# End of 5.1 tests
diff --git a/mysql-test/r/group_min_max.result b/mysql-test/r/group_min_max.result
index 5e161780bd4..f95188b88b1 100644
--- a/mysql-test/r/group_min_max.result
+++ b/mysql-test/r/group_min_max.result
@@ -2524,4 +2524,247 @@ SELECT a, MAX(b) FROM t WHERE b GROUP BY a;
 a	MAX(b)
 2	1
 DROP TABLE t;
+CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL, KEY (b));
+INSERT INTO t1 VALUES(1,1),(2,1);
+ANALYZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	OK
+SELECT 1 AS c, b FROM t1 WHERE b IN (1,2) GROUP BY c, b;
+c	b
+1	1
+SELECT a FROM t1 WHERE b=1;
+a
+1
+2
+DROP TABLE t1;
+# 
+# Bug#47762: Incorrect result from MIN() when WHERE tests NOT NULL column
+#            for NULL
+#
+## Test for NULLs allowed
+CREATE TABLE t1 ( a INT, KEY (a) );
+INSERT INTO t1 VALUES (1), (2), (3);
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <=> NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	No matching min/max row
+SELECT MIN( a ) FROM t1 WHERE a <=> NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+x	x	x	x	x	x	x	x	x	Using where; Using index
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	No matching min/max row
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+MIN( a )
+NULL
+INSERT INTO t1 VALUES (NULL), (NULL);
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <=> NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Select tables optimized away
+SELECT MIN( a ) FROM t1 WHERE a <=> NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+x	x	x	x	x	x	x	x	x	Using where; Using index
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Select tables optimized away
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+MIN( a )
+NULL
+DROP TABLE t1;
+## Test for NOT NULLs
+CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY);
+INSERT INTO t1 VALUES (1), (2), (3);
+#
+# NULL-safe operator test disabled for non-NULL indexed columns.
+#
+# See bugs
+#
+# - Bug#52173: Reading NULL value from non-NULL index gives
+#   wrong result in embedded server 
+#
+# - Bug#52174: Sometimes wrong plan when reading a MAX value from 
+#   non-NULL index
+#
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE noticed after reading const tables
+x	x	x	x	x	x	x	x	x	Using where; Using index
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+MIN( a )
+NULL
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+x	x	x	x	x	x	x	x	x	Impossible WHERE
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+MIN( a )
+NULL
+DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/handler_myisam.result b/mysql-test/r/handler_myisam.result
index 90a1bdfe6be..a970e20a2c0 100644
--- a/mysql-test/r/handler_myisam.result
+++ b/mysql-test/r/handler_myisam.result
@@ -756,4 +756,17 @@ TRUNCATE t1;
 HANDLER t1 READ FIRST;
 ERROR 42S02: Unknown table 't1' in HANDLER
 DROP TABLE t1;
+#
+# BUG#51877 - HANDLER interface causes invalid memory read
+#
+CREATE TABLE t1(a INT, KEY(a));
+HANDLER t1 OPEN;
+HANDLER t1 READ a FIRST;
+a
+INSERT INTO t1 VALUES(1);
+HANDLER t1 READ a NEXT;
+a
+1
+HANDLER t1 CLOSE;
+DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/having.result b/mysql-test/r/having.result
index 9c3cc8fc89e..19c23df1e84 100644
--- a/mysql-test/r/having.result
+++ b/mysql-test/r/having.result
@@ -12,7 +12,7 @@ explain extended select count(a) as b from t1 where a=0 having b >=0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
-Note	1003	select count('0') AS `b` from `test`.`t1` where 0 having (`b` >= 0)
+Note	1003	select count(NULL) AS `b` from `test`.`t1` where 0 having (`b` >= 0)
 drop table t1;
 CREATE TABLE t1 (
 raw_id int(10) NOT NULL default '0',
@@ -430,4 +430,105 @@ SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL;
 b	COUNT(DISTINCT a)
 NULL	1
 DROP TABLE t1;
+#
+# Bug#50995 Having clause on subquery result produces incorrect results.
+#
+CREATE TABLE t1
+(
+id1 INT,
+id2 INT NOT NULL,
+INDEX id1(id2)
+);
+INSERT INTO t1 SET id1=1, id2=1;
+INSERT INTO t1 SET id1=2, id2=1;
+INSERT INTO t1 SET id1=3, id2=1;
+SELECT t1.id1,
+(SELECT 0 FROM DUAL
+WHERE t1.id1=t1.id1) AS amount FROM t1
+WHERE t1.id2 = 1
+HAVING amount > 0
+ORDER BY t1.id1;
+id1	amount
+DROP TABLE t1;
+#
+# Bug#48916 Server incorrectly processing HAVING clauses with an ORDER BY clause
+#
+CREATE TABLE t1 (f1 INT PRIMARY KEY, f2 INT, f3 INT);
+INSERT INTO t1 VALUES (2,7,9), (4,7,9), (6,2,9), (17,0,9);
+SELECT table1.f1, table2.f2
+FROM t1 AS table1
+JOIN t1 AS table2 ON table1.f3 = table2.f3
+WHERE table2.f1 = 2
+GROUP BY table1.f1, table2.f2
+HAVING (table2.f2 = 8 AND table1.f1 >= 6);
+f1	f2
+EXPLAIN EXTENDED
+SELECT table1.f1, table2.f2
+FROM t1 AS table1
+JOIN t1 AS table2 ON table1.f3 = table2.f3
+WHERE table2.f1 = 2
+GROUP BY table1.f1, table2.f2
+HAVING (table2.f2 = 8 AND table1.f1 >= 6);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	table2	const	PRIMARY	PRIMARY	4	const	1	100.00	Using filesort
+1	SIMPLE	table1	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
+Warnings:
+Note	1003	select `test`.`table1`.`f1` AS `f1`,'7' AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = '9')) group by `test`.`table1`.`f1`,'7' having (('7' = 8) and (`test`.`table1`.`f1` >= 6))
+EXPLAIN EXTENDED
+SELECT table1.f1, table2.f2
+FROM t1 AS table1
+JOIN t1 AS table2 ON table1.f3 = table2.f3
+WHERE table2.f1 = 2
+GROUP BY table1.f1, table2.f2
+HAVING (table2.f2 = 8);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	table2	const	PRIMARY	PRIMARY	4	const	1	100.00	Using filesort
+1	SIMPLE	table1	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
+Warnings:
+Note	1003	select `test`.`table1`.`f1` AS `f1`,'7' AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = '9')) group by `test`.`table1`.`f1`,'7' having ('7' = 8)
+DROP TABLE t1;
+#
+# Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355
+#
+CREATE TABLE t1(f1 INT, f2 INT);
+INSERT INTO t1 VALUES (10,8);
+CREATE TABLE t2 (f1 INT);
+INSERT INTO t2 VALUES (5);
+SELECT  COUNT(f1) FROM t2
+HAVING (7, 9)  IN (SELECT f1, MIN(f2) FROM t1);
+COUNT(f1)
+DROP TABLE t1, t2;
+CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
+INSERT INTO t1 VALUES (16,'f');
+INSERT INTO t1 VALUES (16,'f');
+CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
+INSERT INTO t2 VALUES (13,'f');
+INSERT INTO t2 VALUES (20,'f');
+CREATE TABLE t3 (f1 INT, f2 VARCHAR(1));
+INSERT INTO t3 VALUES (7,'f');
+SELECT t1.f2 FROM t1
+STRAIGHT_JOIN (t2 JOIN t3 ON t3.f2  = t2.f2  ) ON t3 .f2  = t2 .f2
+HAVING ('v', 'i') NOT IN (SELECT f2, MIN(f2) FROM t1)
+ORDER BY f2;
+f2
+f
+f
+f
+f
+DROP TABLES t1,t2,t3;
+#
+# Bug#52340 Segfault: read_cached_record (tab=0x94a2634) at sql_select.cc:14411
+#
+CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
+INSERT INTO t1 VALUES (16,'d');
+CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
+INSERT INTO t2 VALUES (13,'e');
+INSERT INTO t2 VALUES (20,'d');
+SELECT MAX(t2.f2) FROM t2 JOIN t1 ON t1.f2
+HAVING ('e' , 'd') IN
+(SELECT ts1.f2, ts2.f2 FROM t2 ts1 JOIN t2 ts2 ON ts1.f1)
+ORDER BY t1.f2;
+MAX(t2.f2)
+NULL
+DROP TABLE t1,t2;
 End of 5.0 tests
diff --git a/mysql-test/r/index_merge_myisam.result b/mysql-test/r/index_merge_myisam.result
index 04738abfd3e..e9a82b14556 100644
--- a/mysql-test/r/index_merge_myisam.result
+++ b/mysql-test/r/index_merge_myisam.result
@@ -286,7 +286,7 @@ NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL
 explain select * from (select * from t1 where key1 = 3 or key2 =3) as Z where key8 >5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	1	
-2	DERIVED	t1	index_merge	i1,i2	i1,i2	4,4	NULL	2	Using union(i1,i2); Using where; Using index
+2	DERIVED	t1	index_merge	i1,i2	i1,i2	4,4	NULL	2	Using union(i1,i2); Using where
 create table t3 like t0;
 insert into t3 select * from t0;
 alter table t3 add key9 int not null, add index i9(key9);
diff --git a/mysql-test/r/information_schema.result b/mysql-test/r/information_schema.result
index e49885f9118..7b9fc368af1 100644
--- a/mysql-test/r/information_schema.result
+++ b/mysql-test/r/information_schema.result
@@ -67,8 +67,11 @@ INNODB_INDEX_STATS
 INNODB_LOCKS
 INNODB_LOCK_WAITS
 INNODB_RSEG
+INNODB_SYS_INDEXES
+INNODB_SYS_TABLES
 INNODB_TABLE_STATS
 INNODB_TRX
+KEY_CACHES
 KEY_COLUMN_USAGE
 PARTITIONS
 PLUGINS
@@ -615,7 +618,7 @@ proc	body	longblob
 proc	definer	char(77)
 proc	created	timestamp
 proc	modified	timestamp
-proc	sql_mode	set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH')
+proc	sql_mode	set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH')
 proc	comment	char(64)
 proc	character_set_client	char(32)
 proc	collation_connection	char(32)
diff --git a/mysql-test/r/information_schema_all_engines.result b/mysql-test/r/information_schema_all_engines.result
index c91d9fcbe38..d3ff92544f2 100644
--- a/mysql-test/r/information_schema_all_engines.result
+++ b/mysql-test/r/information_schema_all_engines.result
@@ -13,6 +13,7 @@ FILES
 GLOBAL_STATUS
 GLOBAL_VARIABLES
 INDEX_STATISTICS
+KEY_CACHES
 KEY_COLUMN_USAGE
 PARTITIONS
 PLUGINS
@@ -41,12 +42,14 @@ XTRADB_ENHANCEMENTS
 INNODB_BUFFER_POOL_PAGES_INDEX
 XTRADB_ADMIN_COMMAND
 INNODB_TRX
-INNODB_CMP_RESET
+INNODB_SYS_TABLES
 INNODB_LOCK_WAITS
 INNODB_CMPMEM_RESET
 INNODB_LOCKS
 INNODB_CMPMEM
 INNODB_TABLE_STATS
+INNODB_SYS_INDEXES
+INNODB_CMP_RESET
 INNODB_BUFFER_POOL_PAGES_BLOB
 INNODB_INDEX_STATS
 SELECT t.table_name, c1.column_name
@@ -76,6 +79,7 @@ FILES	TABLE_SCHEMA
 GLOBAL_STATUS	VARIABLE_NAME
 GLOBAL_VARIABLES	VARIABLE_NAME
 INDEX_STATISTICS	TABLE_SCHEMA
+KEY_CACHES	KEY_CACHE_NAME
 KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
 PARTITIONS	TABLE_SCHEMA
 PLUGINS	PLUGIN_NAME
@@ -104,14 +108,16 @@ XTRADB_ENHANCEMENTS	name
 INNODB_BUFFER_POOL_PAGES_INDEX	schema_name
 XTRADB_ADMIN_COMMAND	result_message
 INNODB_TRX	trx_id
-INNODB_CMP_RESET	page_size
+INNODB_SYS_TABLES	NAME
 INNODB_LOCK_WAITS	requesting_trx_id
 INNODB_CMPMEM_RESET	page_size
 INNODB_LOCKS	lock_id
 INNODB_CMPMEM	page_size
-INNODB_TABLE_STATS	table_name
+INNODB_TABLE_STATS	table_schema
+INNODB_SYS_INDEXES	TABLE_ID
+INNODB_CMP_RESET	page_size
 INNODB_BUFFER_POOL_PAGES_BLOB	space_id
-INNODB_INDEX_STATS	table_name
+INNODB_INDEX_STATS	table_schema
 SELECT t.table_name, c1.column_name
 FROM information_schema.tables t
 INNER JOIN
@@ -139,6 +145,7 @@ FILES	TABLE_SCHEMA
 GLOBAL_STATUS	VARIABLE_NAME
 GLOBAL_VARIABLES	VARIABLE_NAME
 INDEX_STATISTICS	TABLE_SCHEMA
+KEY_CACHES	KEY_CACHE_NAME
 KEY_COLUMN_USAGE	CONSTRAINT_SCHEMA
 PARTITIONS	TABLE_SCHEMA
 PLUGINS	PLUGIN_NAME
@@ -167,14 +174,16 @@ XTRADB_ENHANCEMENTS	name
 INNODB_BUFFER_POOL_PAGES_INDEX	schema_name
 XTRADB_ADMIN_COMMAND	result_message
 INNODB_TRX	trx_id
-INNODB_CMP_RESET	page_size
+INNODB_SYS_TABLES	NAME
 INNODB_LOCK_WAITS	requesting_trx_id
 INNODB_CMPMEM_RESET	page_size
 INNODB_LOCKS	lock_id
 INNODB_CMPMEM	page_size
-INNODB_TABLE_STATS	table_name
+INNODB_TABLE_STATS	table_schema
+INNODB_SYS_INDEXES	TABLE_ID
+INNODB_CMP_RESET	page_size
 INNODB_BUFFER_POOL_PAGES_BLOB	space_id
-INNODB_INDEX_STATS	table_name
+INNODB_INDEX_STATS	table_schema
 select 1 as f1 from information_schema.tables  where "CHARACTER_SETS"=
 (select cast(table_name as char)  from information_schema.tables
 order by table_name limit 1) limit 1;
@@ -219,8 +228,11 @@ INNODB_INDEX_STATS	information_schema.INNODB_INDEX_STATS	1
 INNODB_LOCKS	information_schema.INNODB_LOCKS	1
 INNODB_LOCK_WAITS	information_schema.INNODB_LOCK_WAITS	1
 INNODB_RSEG	information_schema.INNODB_RSEG	1
+INNODB_SYS_INDEXES	information_schema.INNODB_SYS_INDEXES	1
+INNODB_SYS_TABLES	information_schema.INNODB_SYS_TABLES	1
 INNODB_TABLE_STATS	information_schema.INNODB_TABLE_STATS	1
 INNODB_TRX	information_schema.INNODB_TRX	1
+KEY_CACHES	information_schema.KEY_CACHES	1
 KEY_COLUMN_USAGE	information_schema.KEY_COLUMN_USAGE	1
 PARTITIONS	information_schema.PARTITIONS	1
 PBXT_STATISTICS	information_schema.PBXT_STATISTICS	1
@@ -259,6 +271,7 @@ Database: information_schema
 | GLOBAL_STATUS                         |
 | GLOBAL_VARIABLES                      |
 | INDEX_STATISTICS                      |
+| KEY_CACHES                            |
 | KEY_COLUMN_USAGE                      |
 | PARTITIONS                            |
 | PLUGINS                               |
@@ -287,12 +300,14 @@ Database: information_schema
 | INNODB_BUFFER_POOL_PAGES_INDEX        |
 | XTRADB_ADMIN_COMMAND                  |
 | INNODB_TRX                            |
-| INNODB_CMP_RESET                      |
+| INNODB_SYS_TABLES                     |
 | INNODB_LOCK_WAITS                     |
 | INNODB_CMPMEM_RESET                   |
 | INNODB_LOCKS                          |
 | INNODB_CMPMEM                         |
 | INNODB_TABLE_STATS                    |
+| INNODB_SYS_INDEXES                    |
+| INNODB_CMP_RESET                      |
 | INNODB_BUFFER_POOL_PAGES_BLOB         |
 | INNODB_INDEX_STATS                    |
 +---------------------------------------+
@@ -312,6 +327,7 @@ Database: INFORMATION_SCHEMA
 | GLOBAL_STATUS                         |
 | GLOBAL_VARIABLES                      |
 | INDEX_STATISTICS                      |
+| KEY_CACHES                            |
 | KEY_COLUMN_USAGE                      |
 | PARTITIONS                            |
 | PLUGINS                               |
@@ -340,12 +356,14 @@ Database: INFORMATION_SCHEMA
 | INNODB_BUFFER_POOL_PAGES_INDEX        |
 | XTRADB_ADMIN_COMMAND                  |
 | INNODB_TRX                            |
-| INNODB_CMP_RESET                      |
+| INNODB_SYS_TABLES                     |
 | INNODB_LOCK_WAITS                     |
 | INNODB_CMPMEM_RESET                   |
 | INNODB_LOCKS                          |
 | INNODB_CMPMEM                         |
 | INNODB_TABLE_STATS                    |
+| INNODB_SYS_INDEXES                    |
+| INNODB_CMP_RESET                      |
 | INNODB_BUFFER_POOL_PAGES_BLOB         |
 | INNODB_INDEX_STATS                    |
 +---------------------------------------+
@@ -357,5 +375,5 @@ Wildcard: inf_rmation_schema
 +--------------------+
 SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA;
 table_schema	count(*)
-information_schema	48
+information_schema	51
 mysql	22
diff --git a/mysql-test/r/innodb-autoinc-44030.result b/mysql-test/r/innodb-autoinc-44030.result
deleted file mode 100644
index c0695bf0be0..00000000000
--- a/mysql-test/r/innodb-autoinc-44030.result
+++ /dev/null
@@ -1,30 +0,0 @@
-drop table if exists t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (null);
-INSERT INTO t1 VALUES (null);
-ALTER TABLE t1 CHANGE c1 d1 INT NOT NULL AUTO_INCREMENT;
-SELECT * FROM t1;
-d1
-1
-2
-SELECT * FROM t1;
-d1
-1
-2
-INSERT INTO t1 VALUES(null);
-Got one of the listed errors
-ALTER TABLE t1 AUTO_INCREMENT = 3;
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `d1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`d1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-INSERT INTO t1 VALUES(null);
-SELECT * FROM t1;
-d1
-1
-2
-3
-DROP TABLE t1;
diff --git a/mysql-test/r/innodb-autoinc.result b/mysql-test/r/innodb-autoinc.result
deleted file mode 100644
index ccd047271f6..00000000000
--- a/mysql-test/r/innodb-autoinc.result
+++ /dev/null
@@ -1,1157 +0,0 @@
-drop table if exists t1;
-CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (9223372036854775807, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-9223372036854775807	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (127, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-127	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (255, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-255	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (32767, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-32767	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (65535, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-65535	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (8388607, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-8388607	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (16777215, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-16777215	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (2147483647, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-2147483647	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (4294967295, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-4294967295	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (9223372036854775807, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-9223372036854775807	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (18446744073709551615, null);
-INSERT INTO t1 (c2) VALUES ('innodb');
-Got one of the listed errors
-SELECT * FROM t1;
-c1	c2
-18446744073709551615	NULL
-DROP TABLE t1;
-CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1), (2), (3);
-INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
-SELECT c1 FROM t1;
-c1
-1
-2
-3
-4
-5
-6
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
-TRUNCATE TABLE t1;
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB DEFAULT CHARSET=latin1
-INSERT INTO t1 VALUES (1), (2), (3);
-INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
-SELECT c1 FROM t1;
-c1
-1
-2
-3
-4
-5
-6
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
-DROP TABLE t1;
-CREATE TABLE t1(c1 INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1), (2), (3);
-INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
-SELECT c1 FROM t1;
-c1
-1
-2
-3
-4
-5
-6
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
-DELETE FROM t1;
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1
-INSERT INTO t1 VALUES (1), (2), (3);
-INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
-SELECT c1 FROM t1;
-c1
-1
-2
-3
-7
-8
-9
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1
-DROP TABLE t1;
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (NULL, 1);
-DELETE FROM t1 WHERE c1 = 1;
-INSERT INTO t1 VALUES (2,1);
-INSERT INTO t1 VALUES (NULL,8);
-SELECT * FROM t1;
-c1	c2
-2	1
-3	8
-DROP TABLE t1;
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (NULL, 1);
-DELETE FROM t1 WHERE c1 = 1;
-INSERT INTO t1 VALUES (2,1), (NULL, 8);
-INSERT INTO t1 VALUES (NULL,9);
-SELECT * FROM t1;
-c1	c2
-2	1
-3	8
-5	9
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	100
-auto_increment_offset	10
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (NULL),(5),(NULL);
-INSERT INTO t1 VALUES (250),(NULL);
-SELECT * FROM t1;
-c1
-5
-10
-110
-250
-310
-INSERT INTO t1 VALUES (1000);
-SET @@INSERT_ID=400;
-INSERT INTO t1 VALUES(NULL),(NULL);
-SELECT * FROM t1;
-c1
-5
-10
-110
-250
-310
-400
-410
-1000
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(0);
-SELECT * FROM t1;
-c1
-1
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-INSERT INTO t1 VALUES (-1), (NULL),(2),(NULL);
-INSERT INTO t1 VALUES (250),(NULL);
-SELECT * FROM t1;
-c1
--1
-1
-2
-10
-110
-250
-410
-SET @@INSERT_ID=400;
-INSERT INTO t1 VALUES(NULL),(NULL);
-Got one of the listed errors
-SELECT * FROM t1;
-c1
--1
-1
-2
-10
-110
-250
-410
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(-1);
-SELECT * FROM t1;
-c1
--1
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	100
-auto_increment_offset	10
-INSERT INTO t1 VALUES (-2), (NULL),(2),(NULL);
-INSERT INTO t1 VALUES (250),(NULL);
-SELECT * FROM t1;
-c1
--2
--1
-1
-2
-10
-250
-310
-INSERT INTO t1 VALUES (1000);
-SET @@INSERT_ID=400;
-INSERT INTO t1 VALUES(NULL),(NULL);
-SELECT * FROM t1;
-c1
--2
--1
-1
-2
-10
-250
-310
-400
-410
-1000
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(-1);
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-SELECT * FROM t1;
-c1
-1
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	100
-auto_increment_offset	10
-INSERT INTO t1 VALUES (-2);
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (NULL);
-INSERT INTO t1 VALUES (2);
-INSERT INTO t1 VALUES (NULL);
-INSERT INTO t1 VALUES (250);
-INSERT INTO t1 VALUES (NULL);
-SELECT * FROM t1;
-c1
-1
-2
-10
-110
-210
-250
-310
-INSERT INTO t1 VALUES (1000);
-SET @@INSERT_ID=400;
-INSERT INTO t1 VALUES(NULL);
-INSERT INTO t1 VALUES(NULL);
-SELECT * FROM t1;
-c1
-1
-2
-10
-110
-210
-250
-310
-400
-1000
-1010
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 INT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(-1);
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-SELECT * FROM t1;
-c1
-1
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=100, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	100
-auto_increment_offset	10
-INSERT INTO t1 VALUES (-2),(NULL),(2),(NULL);
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (250),(NULL);
-SELECT * FROM t1;
-c1
-1
-2
-10
-110
-210
-250
-410
-INSERT INTO t1 VALUES (1000);
-SET @@INSERT_ID=400;
-INSERT INTO t1 VALUES(NULL),(NULL);
-Got one of the listed errors
-SELECT * FROM t1;
-c1
-1
-2
-10
-110
-210
-250
-410
-1000
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL);
-INSERT INTO t1 VALUES (9223372036854775794);
-SELECT * FROM t1;
-c1
-1
-9223372036854775794
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	2
-auto_increment_offset	10
-INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
-SELECT * FROM t1;
-c1
-1
-9223372036854775794
-9223372036854775796
-9223372036854775798
-9223372036854775800
-9223372036854775802
-9223372036854775804
-9223372036854775806
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL);
-INSERT INTO t1 VALUES (18446744073709551603);
-SELECT * FROM t1;
-c1
-1
-18446744073709551603
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=2, @@SESSION.AUTO_INCREMENT_OFFSET=10;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	2
-auto_increment_offset	10
-INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
-SELECT * FROM t1;
-c1
-1
-18446744073709551603
-18446744073709551604
-18446744073709551606
-18446744073709551608
-18446744073709551610
-18446744073709551612
-18446744073709551614
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL);
-INSERT INTO t1 VALUES (18446744073709551603);
-SELECT * FROM t1;
-c1
-1
-18446744073709551603
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=5, @@SESSION.AUTO_INCREMENT_OFFSET=7;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	5
-auto_increment_offset	7
-INSERT INTO t1 VALUES (NULL),(NULL);
-SELECT * FROM t1;
-c1
-1
-18446744073709551603
-18446744073709551607
-18446744073709551612
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 BIGINT AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL);
-INSERT INTO t1 VALUES(-9223372036854775806);
-INSERT INTO t1 VALUES(-9223372036854775807);
-INSERT INTO t1 VALUES(-9223372036854775808);
-SELECT * FROM t1;
-c1
--9223372036854775808
--9223372036854775807
--9223372036854775806
-1
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=3, @@SESSION.AUTO_INCREMENT_OFFSET=3;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	3
-auto_increment_offset	3
-INSERT INTO t1 VALUES (NULL),(NULL), (NULL);
-SELECT * FROM t1;
-c1
--9223372036854775808
--9223372036854775807
--9223372036854775806
-1
-3
-6
-9
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-CREATE TABLE t1 (c1 BIGINT UNSIGNED AUTO_INCREMENT, PRIMARY KEY(c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL);
-INSERT INTO t1 VALUES (18446744073709551610);
-SELECT * FROM t1;
-c1
-1
-18446744073709551610
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1152921504606846976, @@SESSION.AUTO_INCREMENT_OFFSET=1152921504606846976;
-Warnings:
-Warning	1292	Truncated incorrect auto_increment_increment value: '1152921504606846976'
-Warning	1292	Truncated incorrect auto_increment_offset value: '1152921504606846976'
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	65535
-auto_increment_offset	65535
-INSERT INTO t1 VALUES (NULL);
-SELECT * FROM t1;
-c1
-1
-18446744073709551610
-18446744073709551615
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SET @@INSERT_ID=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL, 1);
-INSERT INTO t1 VALUES(NULL, 2);
-SELECT * FROM t1;
-c1	c2
-1	1
-2	2
-ALTER TABLE t1 CHANGE c1 c1 SERIAL;
-SELECT * FROM t1;
-c1	c2
-1	1
-2	2
-INSERT INTO t1 VALUES(NULL, 3);
-INSERT INTO t1 VALUES(NULL, 4);
-SELECT * FROM t1;
-c1	c2
-1	1
-2	2
-3	3
-4	4
-DROP TABLE IF EXISTS t1;
-CREATE TABLE t1 (c1 FLOAT NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES(NULL, 1);
-INSERT INTO t1 VALUES(NULL, 2);
-SELECT * FROM t1;
-c1	c2
-1	1
-2	2
-ALTER TABLE t1 CHANGE c1 c1 SERIAL;
-SELECT * FROM t1;
-c1	c2
-1	1
-2	2
-INSERT INTO t1 VALUES(NULL, 3);
-INSERT INTO t1 VALUES(NULL, 4);
-SELECT * FROM t1;
-c1	c2
-1	1
-2	2
-3	3
-4	4
-DROP TABLE t1;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=5;
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-DROP TABLE IF EXISTS t2;
-Warnings:
-Note	1051	Unknown table 't2'
-CREATE TABLE t1 (
-a INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
-b INT(10) UNSIGNED NOT NULL,
-c ENUM('FALSE','TRUE') DEFAULT NULL,
-PRIMARY KEY (a)) ENGINE = InnoDB;
-CREATE TABLE t2 (
-m INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
-n INT(10) UNSIGNED NOT NULL,
-o enum('FALSE','TRUE') DEFAULT NULL,
-PRIMARY KEY (m)) ENGINE = InnoDB;
-INSERT INTO t2 (n,o) VALUES
-(1 , 'true'), (1 , 'false'), (2 , 'true'), (2 , 'false'), (3 , 'true'),
-(3 , 'false'), (4 , 'true'), (4 , 'false'), (5 , 'true'), (5 , 'false');
-SHOW CREATE TABLE t2;
-Table	Create Table
-t2	CREATE TABLE `t2` (
-  `m` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `n` int(10) unsigned NOT NULL,
-  `o` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`m`)
-) ENGINE=InnoDB AUTO_INCREMENT=15 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 ;
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 ;
-SELECT * FROM t1;
-a	b	c
-1	1	TRUE
-2	1	FALSE
-3	2	TRUE
-4	2	FALSE
-5	3	TRUE
-6	3	FALSE
-7	4	TRUE
-8	4	FALSE
-9	5	TRUE
-10	5	FALSE
-13	1	TRUE
-14	1	FALSE
-15	2	TRUE
-16	2	FALSE
-17	3	TRUE
-18	3	FALSE
-19	4	TRUE
-20	4	FALSE
-21	5	TRUE
-22	5	FALSE
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=23 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
-SELECT * FROM t1;
-a	b	c
-1	1	TRUE
-2	1	FALSE
-3	2	TRUE
-4	2	FALSE
-5	3	TRUE
-6	3	FALSE
-7	4	TRUE
-8	4	FALSE
-9	5	TRUE
-10	5	FALSE
-13	1	TRUE
-14	1	FALSE
-15	2	TRUE
-16	2	FALSE
-17	3	TRUE
-18	3	FALSE
-19	4	TRUE
-20	4	FALSE
-21	5	TRUE
-22	5	FALSE
-23	1	FALSE
-24	2	FALSE
-25	3	FALSE
-26	4	FALSE
-27	5	FALSE
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=30 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
-SELECT * FROM t1;
-a	b	c
-1	1	TRUE
-2	1	FALSE
-3	2	TRUE
-4	2	FALSE
-5	3	TRUE
-6	3	FALSE
-7	4	TRUE
-8	4	FALSE
-9	5	TRUE
-10	5	FALSE
-13	1	TRUE
-14	1	FALSE
-15	2	TRUE
-16	2	FALSE
-17	3	TRUE
-18	3	FALSE
-19	4	TRUE
-20	4	FALSE
-21	5	TRUE
-22	5	FALSE
-23	1	FALSE
-24	2	FALSE
-25	3	FALSE
-26	4	FALSE
-27	5	FALSE
-30	1	FALSE
-31	2	FALSE
-32	3	FALSE
-33	4	FALSE
-34	5	FALSE
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=37 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=51 DEFAULT CHARSET=latin1
-INSERT INTO t1 (b,c) SELECT n,o FROM t2 WHERE o = 'false';
-SELECT * FROM t1;
-a	b	c
-1	1	TRUE
-2	1	FALSE
-3	2	TRUE
-4	2	FALSE
-5	3	TRUE
-6	3	FALSE
-7	4	TRUE
-8	4	FALSE
-9	5	TRUE
-10	5	FALSE
-13	1	TRUE
-14	1	FALSE
-15	2	TRUE
-16	2	FALSE
-17	3	TRUE
-18	3	FALSE
-19	4	TRUE
-20	4	FALSE
-21	5	TRUE
-22	5	FALSE
-23	1	FALSE
-24	2	FALSE
-25	3	FALSE
-26	4	FALSE
-27	5	FALSE
-30	1	FALSE
-31	2	FALSE
-32	3	FALSE
-33	4	FALSE
-34	5	FALSE
-37	1	FALSE
-38	2	FALSE
-39	3	FALSE
-40	4	FALSE
-41	5	FALSE
-44	1	FALSE
-45	2	FALSE
-46	3	FALSE
-47	4	FALSE
-48	5	FALSE
-51	1	FALSE
-52	2	FALSE
-53	3	FALSE
-54	4	FALSE
-55	5	FALSE
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `a` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `b` int(10) unsigned NOT NULL,
-  `c` enum('FALSE','TRUE') DEFAULT NULL,
-  PRIMARY KEY (`a`)
-) ENGINE=InnoDB AUTO_INCREMENT=58 DEFAULT CHARSET=latin1
-DROP TABLE t1;
-DROP TABLE t2;
-DROP TABLE IF EXISTS t1;
-Warnings:
-Note	1051	Unknown table 't1'
-DROP TABLE IF EXISTS t2;
-Warnings:
-Note	1051	Unknown table 't2'
-CREATE TABLE t1(
-c1 INT(10) UNSIGNED NOT NULL AUTO_INCREMENT
-PRIMARY KEY) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
-CREATE TABLE t2(
-c1 TINYINT(3) UNSIGNED NOT NULL AUTO_INCREMENT
-PRIMARY KEY) ENGINE=InnoDB;
-INSERT INTO t2 SELECT c1 FROM t1;
-Got one of the listed errors
-INSERT INTO t2 SELECT NULL FROM t1;
-Got one of the listed errors
-DROP TABLE t1;
-DROP TABLE t2;
-SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
-SHOW VARIABLES LIKE "auto_inc%";
-Variable_name	Value
-auto_increment_increment	1
-auto_increment_offset	1
-CREATE TABLE t1 (c1 TINYINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-INSERT INTO t1 VALUES (-127, 'innodb');
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` tinyint(4) NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
--127	innodb
--1	innodb
-1	NULL
-2	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 TINYINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (-127, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` tinyint(3) unsigned NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
-1	NULL
-2	innodb
-3	innodb
-4	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 SMALLINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-INSERT INTO t1 VALUES (-32767, 'innodb');
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` smallint(6) NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
--32767	innodb
--1	innodb
-1	NULL
-2	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 SMALLINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (-32757, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` smallint(5) unsigned NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
-1	NULL
-2	innodb
-3	innodb
-4	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 MEDIUMINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-INSERT INTO t1 VALUES (-8388607, 'innodb');
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` mediumint(9) NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
--8388607	innodb
--1	innodb
-1	NULL
-2	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 MEDIUMINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (-8388607, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
-1	NULL
-2	innodb
-3	innodb
-4	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 INT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-INSERT INTO t1 VALUES (-2147483647, 'innodb');
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
--2147483647	innodb
--1	innodb
-1	NULL
-2	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (-2147483647, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(10) unsigned NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
-1	NULL
-2	innodb
-3	innodb
-4	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 BIGINT PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-INSERT INTO t1 VALUES (-9223372036854775807, 'innodb');
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` bigint(20) NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
--9223372036854775807	innodb
--1	innodb
-1	NULL
-2	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT, c2 VARCHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1 VALUES (1, NULL);
-INSERT INTO t1 VALUES (-1, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (-9223372036854775807, 'innodb');
-Warnings:
-Warning	1264	Out of range value for column 'c1' at row 1
-INSERT INTO t1 VALUES (NULL, NULL);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-  `c2` varchar(10) DEFAULT NULL,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-SELECT * FROM t1;
-c1	c2
-1	NULL
-2	innodb
-3	innodb
-4	NULL
-DROP TABLE t1;
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT, c2 INT, PRIMARY KEY(c1)) AUTO_INCREMENT=10 ENGINE=InnoDB;
-CREATE INDEX i1 on t1(c2);
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  `c2` int(11) DEFAULT NULL,
-  PRIMARY KEY (`c1`),
-  KEY `i1` (`c2`)
-) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1
-INSERT INTO t1 (c2) values (0);
-SELECT * FROM t1;
-c1	c2
-10	0
-DROP TABLE t1;
-CREATE TABLE t1(C1 DOUBLE AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb');
-INSERT INTO t1(C2) VALUES ('innodb');
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `C1` double NOT NULL AUTO_INCREMENT,
-  `C2` char(10) DEFAULT NULL,
-  PRIMARY KEY (`C1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-DROP TABLE t1;
-CREATE TABLE t1(C1 FLOAT AUTO_INCREMENT KEY, C2 CHAR(10)) ENGINE=InnoDB;
-INSERT INTO t1(C1, C2) VALUES (1, 'innodb'), (3, 'innodb');
-INSERT INTO t1(C2) VALUES ('innodb');
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `C1` float NOT NULL AUTO_INCREMENT,
-  `C2` char(10) DEFAULT NULL,
-  PRIMARY KEY (`C1`)
-) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
-DROP TABLE t1;
-CREATE TABLE t1 (c1 INT AUTO_INCREMENT PRIMARY KEY) ENGINE=InnoDB;
-INSERT INTO t1 SET c1 = 1;
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
-INSERT INTO t1 SET c1 = 2;
-INSERT INTO t1 SET c1 = -1;
-SELECT * FROM t1;
-c1
--1
-1
-2
-INSERT INTO t1 SET c1 = -1;
-Got one of the listed errors
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-REPLACE INTO t1 VALUES (-1);
-SELECT * FROM t1;
-c1
--1
-1
-2
-SHOW CREATE TABLE t1;
-Table	Create Table
-t1	CREATE TABLE `t1` (
-  `c1` int(11) NOT NULL AUTO_INCREMENT,
-  PRIMARY KEY (`c1`)
-) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1
-DROP TABLE t1;
diff --git a/mysql-test/r/innodb_bug21704.result b/mysql-test/r/innodb_bug21704.result
deleted file mode 100644
index b8e0b15d50d..00000000000
--- a/mysql-test/r/innodb_bug21704.result
+++ /dev/null
@@ -1,55 +0,0 @@
-#
-# Bug#21704: Renaming column does not update FK definition.
-#
-
-# Test that it's not possible to rename columns participating in a
-# foreign key (either in the referencing or referenced table).
-
-DROP TABLE IF EXISTS t1;
-DROP TABLE IF EXISTS t2;
-DROP TABLE IF EXISTS t3;
-CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ROW_FORMAT=COMPACT ENGINE=INNODB;
-CREATE TABLE t2 (a INT PRIMARY KEY, b INT,
-CONSTRAINT fk1 FOREIGN KEY (a) REFERENCES t1(a))
-ROW_FORMAT=COMPACT ENGINE=INNODB;
-CREATE TABLE t3 (a INT PRIMARY KEY, b INT, KEY(b), C INT,
-CONSTRAINT fk2 FOREIGN KEY (b) REFERENCES t3 (a))
-ROW_FORMAT=COMPACT ENGINE=INNODB;
-INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
-INSERT INTO t2 VALUES (1,1),(2,2),(3,3);
-INSERT INTO t3 VALUES (1,1,1),(2,2,2),(3,3,3);
-
-# Test renaming the column in the referenced table.
-
-ALTER TABLE t1 CHANGE a c INT;
-ERROR HY000: Error on rename of '#sql-temporary' to './test/t1' (errno: 150)
-# Ensure that online column rename works.
-ALTER TABLE t1 CHANGE b c INT;
-affected rows: 0
-info: Records: 0  Duplicates: 0  Warnings: 0
-
-# Test renaming the column in the referencing table
-
-ALTER TABLE t2 CHANGE a c INT;
-ERROR HY000: Error on rename of '#sql-temporary' to './test/t2' (errno: 150)
-# Ensure that online column rename works.
-ALTER TABLE t2 CHANGE b c INT;
-affected rows: 0
-info: Records: 0  Duplicates: 0  Warnings: 0
-
-# Test with self-referential constraints
-
-ALTER TABLE t3 CHANGE a d INT;
-ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150)
-ALTER TABLE t3 CHANGE b d INT;
-ERROR HY000: Error on rename of '#sql-temporary' to './test/t3' (errno: 150)
-# Ensure that online column rename works.
-ALTER TABLE t3 CHANGE c d INT;
-affected rows: 0
-info: Records: 0  Duplicates: 0  Warnings: 0
-
-# Cleanup.
-
-DROP TABLE t3;
-DROP TABLE t2;
-DROP TABLE t1;
diff --git a/mysql-test/r/innodb_bug38231.result b/mysql-test/r/innodb_bug38231.result
deleted file mode 100644
index 2f909779755..00000000000
--- a/mysql-test/r/innodb_bug38231.result
+++ /dev/null
@@ -1,11 +0,0 @@
-SET storage_engine=InnoDB;
-INSERT INTO bug38231 VALUES (1), (10), (300);
-SET autocommit=0;
-SELECT * FROM bug38231 FOR UPDATE;
-a
-1
-10
-300
-TRUNCATE TABLE bug38231;
-COMMIT;
-DROP TABLE bug38231;
diff --git a/mysql-test/r/innodb_bug39438.result b/mysql-test/r/innodb_bug39438.result
deleted file mode 100644
index 195775f74c8..00000000000
--- a/mysql-test/r/innodb_bug39438.result
+++ /dev/null
@@ -1 +0,0 @@
-SET storage_engine=InnoDB;
diff --git a/mysql-test/r/innodb_bug40565.result b/mysql-test/r/innodb_bug40565.result
deleted file mode 100644
index 21e923d9336..00000000000
--- a/mysql-test/r/innodb_bug40565.result
+++ /dev/null
@@ -1,9 +0,0 @@
-create table bug40565(value decimal(4,2)) engine=innodb;
-insert into bug40565 values (1), (null);
-update bug40565 set value=NULL;
-affected rows: 1
-info: Rows matched: 2  Changed: 1  Warnings: 0
-update bug40565 set value=NULL;
-affected rows: 0
-info: Rows matched: 2  Changed: 0  Warnings: 0
-drop table bug40565;
diff --git a/mysql-test/r/innodb_bug42101-nonzero.result b/mysql-test/r/innodb_bug42101-nonzero.result
deleted file mode 100644
index 277dfffdd35..00000000000
--- a/mysql-test/r/innodb_bug42101-nonzero.result
+++ /dev/null
@@ -1,26 +0,0 @@
-set global innodb_commit_concurrency=0;
-ERROR HY000: Incorrect arguments to SET
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-1
-set global innodb_commit_concurrency=1;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-1
-set global innodb_commit_concurrency=42;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-42
-set global innodb_commit_concurrency=DEFAULT;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-1
-set global innodb_commit_concurrency=0;
-ERROR HY000: Incorrect arguments to SET
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-1
-set global innodb_commit_concurrency=1;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-1
diff --git a/mysql-test/r/innodb_bug42101.result b/mysql-test/r/innodb_bug42101.result
deleted file mode 100644
index 805097ffe9d..00000000000
--- a/mysql-test/r/innodb_bug42101.result
+++ /dev/null
@@ -1,22 +0,0 @@
-set global innodb_commit_concurrency=0;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-0
-set global innodb_commit_concurrency=1;
-ERROR HY000: Incorrect arguments to SET
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-0
-set global innodb_commit_concurrency=42;
-ERROR HY000: Incorrect arguments to SET
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-0
-set global innodb_commit_concurrency=0;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-0
-set global innodb_commit_concurrency=DEFAULT;
-select @@innodb_commit_concurrency;
-@@innodb_commit_concurrency
-0
diff --git a/mysql-test/r/innodb_bug44032.result b/mysql-test/r/innodb_bug44032.result
deleted file mode 100644
index da2a000b06e..00000000000
--- a/mysql-test/r/innodb_bug44032.result
+++ /dev/null
@@ -1,7 +0,0 @@
-CREATE TABLE bug44032(c CHAR(3) CHARACTER SET UTF8) ROW_FORMAT=REDUNDANT
-ENGINE=InnoDB;
-INSERT INTO bug44032 VALUES('abc'),(0xEFBCA4EFBCA4EFBCA4);
-UPDATE bug44032 SET c='DDD' WHERE c=0xEFBCA4EFBCA4EFBCA4;
-UPDATE bug44032 SET c=NULL WHERE c='DDD';
-UPDATE bug44032 SET c='DDD' WHERE c IS NULL;
-DROP TABLE bug44032;
diff --git a/mysql-test/r/innodb_bug44369.result b/mysql-test/r/innodb_bug44369.result
deleted file mode 100644
index ff25c774aa2..00000000000
--- a/mysql-test/r/innodb_bug44369.result
+++ /dev/null
@@ -1,6 +0,0 @@
-create table bug44369 (DB_ROW_ID int) engine=innodb;
-ERROR 42000: Incorrect column name 'DB_ROW_ID'
-create table bug44369 (db_row_id int) engine=innodb;
-ERROR 42000: Incorrect column name 'db_row_id'
-create table bug44369 (db_TRX_Id int) engine=innodb;
-ERROR 42000: Incorrect column name 'db_TRX_Id'
diff --git a/mysql-test/r/innodb_bug45357.result b/mysql-test/r/innodb_bug45357.result
deleted file mode 100644
index 7adeff2062f..00000000000
--- a/mysql-test/r/innodb_bug45357.result
+++ /dev/null
@@ -1,7 +0,0 @@
-set session transaction isolation level read committed;
-create table bug45357(a int, b int,key(b))engine=innodb;
-insert into bug45357 values (25170,6122);
-update bug45357 set a=1 where b=30131;
-delete from bug45357 where b < 20996;
-delete from bug45357 where b < 7001;
-drop table bug45357;
diff --git a/mysql-test/r/innodb_bug46000.result b/mysql-test/r/innodb_bug46000.result
deleted file mode 100644
index b27b3d7443b..00000000000
--- a/mysql-test/r/innodb_bug46000.result
+++ /dev/null
@@ -1,18 +0,0 @@
-create table bug46000(`id` int,key `GEN_CLUST_INDEX`(`id`))engine=innodb;
-ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX'
-create table bug46000(`id` int, key `GEN_clust_INDEX`(`id`))engine=innodb;
-ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX'
-show warnings;
-Level	Code	Message
-Warning	1280	Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index.
-Error	1280	Incorrect index name 'GEN_CLUST_INDEX'
-Error	1005	Can't create table 'test.bug46000' (errno: -1)
-create table bug46000(id int) engine=innodb;
-create index GEN_CLUST_INDEX on bug46000(id);
-ERROR 42000: Incorrect index name 'GEN_CLUST_INDEX'
-show warnings;
-Level	Code	Message
-Warning	1280	Cannot Create Index with name 'GEN_CLUST_INDEX'. The name is reserved for the system default primary index.
-Error	1280	Incorrect index name 'GEN_CLUST_INDEX'
-create index idx on bug46000(id);
-drop table bug46000;
diff --git a/mysql-test/r/innodb_bug47777.result b/mysql-test/r/innodb_bug47777.result
deleted file mode 100644
index fbba47edcfc..00000000000
--- a/mysql-test/r/innodb_bug47777.result
+++ /dev/null
@@ -1,13 +0,0 @@
-create table bug47777(c2 linestring not null, primary key (c2(1))) engine=innodb;
-insert into bug47777 values (geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)'));
-select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
-count(*)
-1
-update bug47777 set c2=GeomFromText('POINT(1 1)');
-select count(*) from bug47777 where c2 =geomfromtext('linestring(1 2,3 4,5 6,7 8,9 10)');
-count(*)
-0
-select count(*) from bug47777 where c2 = GeomFromText('POINT(1 1)');
-count(*)
-1
-drop table bug47777;
diff --git a/mysql-test/r/innodb_mysql.result b/mysql-test/r/innodb_mysql.result
index 1352bf7f314..52a620e540b 100644
--- a/mysql-test/r/innodb_mysql.result
+++ b/mysql-test/r/innodb_mysql.result
@@ -2276,4 +2276,117 @@ END|
 DROP PROCEDURE p1;
 DROP VIEW v1;
 DROP TABLE t1,t2;
+#
+# Bug #49324: more valgrind errors in test_if_skip_sort_order
+#
+CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=innodb ;
+#should not cause valgrind warnings
+SELECT 1 FROM t1 JOIN t1 a USING(a) GROUP BY t1.a,t1.a;
+1
+DROP TABLE t1;
+#
+# Bug#50843: Filesort used instead of clustered index led to
+#            performance degradation.
+#
+create table t1(f1 int not null primary key, f2 int) engine=innodb;
+create table t2(f1 int not null, key (f1)) engine=innodb;
+insert into t1 values (1,1),(2,2),(3,3);
+insert into t2 values (1),(2),(3);
+explain select t1.* from t1 left join t2 using(f1) group by t1.f1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	3	
+1	SIMPLE	t2	ref	f1	f1	4	test.t1.f1	1	Using index
+drop table t1,t2;
+#
+#
+# Bug #49838: DROP INDEX and ADD UNIQUE INDEX for same index may
+#   corrupt definition at engine
+#
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, KEY k (a,b)) 
+ENGINE=InnoDB;
+ALTER TABLE t1 DROP INDEX k, ADD UNIQUE INDEX k (a,b);
+SHOW INDEXES FROM t1;;
+Table	t1
+Non_unique	0
+Key_name	k
+Seq_in_index	1
+Column_name	a
+Collation	A
+Cardinality	0
+Sub_part	NULL
+Packed	NULL
+Null	
+Index_type	BTREE
+Comment	
+Table	t1
+Non_unique	0
+Key_name	k
+Seq_in_index	2
+Column_name	b
+Collation	A
+Cardinality	0
+Sub_part	NULL
+Packed	NULL
+Null	
+Index_type	BTREE
+Comment	
+DROP TABLE t1;
+#
+# Bug #53334: wrong result for outer join with impossible ON condition
+# (see the same test case for MyISAM in join.test)
+#
+create table t1 (id int primary key);
+create table t2 (id int);
+insert into t1 values (75);
+insert into t1 values (79);
+insert into t1 values (78);
+insert into t1 values (77);
+replace into t1 values (76);
+replace into t1 values (76);
+insert into t1 values (104);
+insert into t1 values (103);
+insert into t1 values (102);
+insert into t1 values (101);
+insert into t1 values (105);
+insert into t1 values (106);
+insert into t1 values (107);
+insert into t2 values (107),(75),(1000);
+select t1.id,t2.id from t2 left join t1 on t1.id>=74 and t1.id<=0
+where t2.id=75 and t1.id is null;
+id	id
+NULL	75
+explain select t1.id,t2.id from t2 left join t1 on t1.id>=74 and t1.id<=0
+where t2.id=75 and t1.id is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	NULL	NULL	NULL	1	Impossible ON condition
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where
+drop table t1,t2;
+#
+# Bug #47453: InnoDB incorrectly changes TIMESTAMP columns when 
+#  JOINed during an UPDATE
+#
+CREATE TABLE t1 (d INT) ENGINE=InnoDB;
+CREATE TABLE t2 (a INT, b INT, 
+c TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+ON UPDATE CURRENT_TIMESTAMP) ENGINE=InnoDB;
+set up our data elements
+INSERT INTO t1 (d) VALUES (1);
+INSERT INTO t2 (a,b) VALUES (1,1);
+SELECT SECOND(c) INTO @bug47453 FROM t2;
+SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a;
+SECOND(c)-@bug47453
+0
+UPDATE t1 JOIN t2 ON d=a SET b=1 WHERE a=1;
+SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a;
+SECOND(c)-@bug47453
+0
+SELECT SLEEP(1);
+SLEEP(1)
+0
+UPDATE t1 JOIN t2 ON d=a SET b=1 WHERE a=1;
+#should be 0
+SELECT SECOND(c)-@bug47453 FROM t1 JOIN t2 ON d=a;
+SECOND(c)-@bug47453
+0
+DROP TABLE t1, t2;
 End of 5.1 tests
diff --git a/mysql-test/r/join.result b/mysql-test/r/join.result
index 4786168f69e..af0a9d5f98d 100644
--- a/mysql-test/r/join.result
+++ b/mysql-test/r/join.result
@@ -1117,6 +1117,45 @@ ON t4.a = t5.a
 ON t1.a = t3.a;
 a	a	a	a	a	a
 DROP TABLE t1,t2,t3,t4,t5,t6;
+#
+# Bug#48483: crash in get_best_combination()
+#
+CREATE TABLE t1(f1 INT);
+INSERT INTO t1 VALUES (1),(2);
+CREATE VIEW v1 AS SELECT 1 FROM t1 LEFT JOIN t1 AS t2 on 1=1;
+EXPLAIN EXTENDED
+SELECT 1 FROM v1 right join v1 AS v2 ON RAND();
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1003	select 1 AS `1` from `test`.`t1` left join `test`.`t1` `t2` on((1 = 1)) left join (`test`.`t1` left join `test`.`t1` `t2` on((1 = 1))) on(rand()) where 1
+DROP VIEW v1;
+DROP TABLE t1;
+#
+# Bug#52177 crash with explain, row comparison, join, text field
+#
+CREATE TABLE t1 (a TINYINT, b TEXT, KEY (a));
+INSERT INTO t1 VALUES (0,''),(0,'');
+FLUSH TABLES;
+EXPLAIN SELECT 1 FROM t1 LEFT JOIN t1 a ON 1
+WHERE ROW(t1.a, 1111.11) = ROW(1111.11, 1111.11) AND
+ROW(t1.b, 1111.11) <=> ROW('','');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+DROP TABLE t1;
+#
+# Bug #50335: Assertion `!(order->used & map)' in eq_ref_table
+# 
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, PRIMARY KEY (a,b));
+INSERT INTO t1 VALUES (0,0), (1,1);
+SELECT * FROM t1 STRAIGHT_JOIN t1 t2 ON t1.a=t2.a AND t1.a=t2.b ORDER BY t2.a, t1.a;
+a	b	a	b
+0	0	0	0
+1	1	1	1
+DROP TABLE t1;
 End of 5.0 tests.
 CREATE TABLE t1 (f1 int);
 CREATE TABLE t2 (f1 int);
@@ -1128,3 +1167,21 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 DROP VIEW v1;
 DROP TABLE t1, t2;
+CREATE TABLE t1(a CHAR(9),b INT,KEY(b),KEY(a)) ENGINE=MYISAM;
+CREATE TABLE t2(a CHAR(9),b INT,KEY(b),KEY(a)) ENGINE=MYISAM;
+INSERT INTO t1 VALUES ('1',null),(null,null);
+INSERT INTO t2 VALUES ('1',null),(null,null);
+CREATE TABLE mm1(a CHAR(9),b INT,KEY(b),KEY(a))
+ENGINE=MERGE  UNION=(t1,t2);
+SELECT t1.a FROM mm1,t1;
+a
+NULL
+1
+NULL
+1
+NULL
+1
+NULL
+1
+DROP TABLE t1, t2, mm1;
+End of 5.1 tests
diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result
index 9dca5ace31f..c448bddd3c9 100644
--- a/mysql-test/r/join_outer.result
+++ b/mysql-test/r/join_outer.result
@@ -1289,3 +1289,23 @@ a	COUNT( t2.b )	SUM( t2.b )	MAX( t2.b )
 1	3	6	3
 NULL	3	6	3
 DROP TABLE t1, t2;
+#
+# Bug#51598 Inconsistent behaviour with a COALESCE statement inside an IN comparison
+#
+CREATE TABLE t1(f1 INT, f2 INT, f3 INT);
+INSERT INTO t1 VALUES (1, NULL, 3);
+CREATE TABLE t2(f1 INT, f2 INT);
+INSERT INTO t2 VALUES (2, 1);
+EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2
+WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '1' AS `f1`,NULL AS `f2`,'3' AS `f3`,NULL AS `f1`,NULL AS `f2` from `test`.`t1` left join `test`.`t2` on(multiple equal(NULL)) where ((coalesce('1',NULL),'3') in ((1,3),(2,2)))
+SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2
+WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
+f1	f2	f3	f1	f2
+1	NULL	3	NULL	NULL
+DROP TABLE t1, t2;
+End of 5.1 tests
diff --git a/mysql-test/r/join_outer_jcl6.result b/mysql-test/r/join_outer_jcl6.result
index 60191bb3957..854fc725845 100644
--- a/mysql-test/r/join_outer_jcl6.result
+++ b/mysql-test/r/join_outer_jcl6.result
@@ -1293,6 +1293,26 @@ a	COUNT( t2.b )	SUM( t2.b )	MAX( t2.b )
 1	3	6	3
 NULL	3	6	3
 DROP TABLE t1, t2;
+#
+# Bug#51598 Inconsistent behaviour with a COALESCE statement inside an IN comparison
+#
+CREATE TABLE t1(f1 INT, f2 INT, f3 INT);
+INSERT INTO t1 VALUES (1, NULL, 3);
+CREATE TABLE t2(f1 INT, f2 INT);
+INSERT INTO t2 VALUES (2, 1);
+EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2
+WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '1' AS `f1`,NULL AS `f2`,'3' AS `f3`,NULL AS `f1`,NULL AS `f2` from `test`.`t1` left join `test`.`t2` on(multiple equal(NULL)) where ((coalesce('1',NULL),'3') in ((1,3),(2,2)))
+SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2
+WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
+f1	f2	f3	f1	f2
+1	NULL	3	NULL	NULL
+DROP TABLE t1, t2;
+End of 5.1 tests
 set join_cache_level=default;
 show variables like 'join_cache_level';
 Variable_name	Value
diff --git a/mysql-test/r/key_cache.result b/mysql-test/r/key_cache.result
index 8450b4632e8..a87ade614b8 100644
--- a/mysql-test/r/key_cache.result
+++ b/mysql-test/r/key_cache.result
@@ -1,5 +1,7 @@
 drop table if exists t1, t2, t3;
-SET @save_key_buffer=@@key_buffer_size;
+SET @save_key_buffer_size=@@key_buffer_size;
+SET @save_key_cache_block_size=@@key_cache_block_size;
+SET @save_key_cache_segments=@@key_cache_segments;
 SELECT @@key_buffer_size, @@small.key_buffer_size;
 @@key_buffer_size	@@small.key_buffer_size
 2097152	131072
@@ -37,7 +39,7 @@ SELECT @@small.key_buffer_size;
 SELECT @@medium.key_buffer_size;
 @@medium.key_buffer_size
 0
-SET @@global.key_buffer_size=@save_key_buffer;
+SET @@global.key_buffer_size=@save_key_buffer_size;
 SELECT @@default.key_buffer_size;
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'default.key_buffer_size' at line 1
 SELECT @@skr.storage_engine="test";
@@ -366,3 +368,432 @@ Variable_name	Value
 key_cache_block_size	1536
 SET GLOBAL key_cache_block_size= @bug28478_key_cache_block_size;
 DROP TABLE t1;
+set global key_buffer_size=@save_key_buffer_size;
+set global key_cache_block_size=@save_key_cache_block_size;
+select @@key_buffer_size;
+@@key_buffer_size
+2097152
+select @@key_cache_block_size;
+@@key_cache_block_size
+1024
+select @@key_cache_segments;
+@@key_cache_segments
+0
+create table t1 (
+p int not null auto_increment primary key,
+a char(10));
+create table t2 (
+p int  not null auto_increment primary key,
+i int, a char(10), key k1(i), key k2(a));
+select @@key_cache_segments;
+@@key_cache_segments
+0
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	NULL	NULL	2097152	1024	0	#	0	0	0	0	0
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+insert into t1 values (1, 'qqqq'), (2, 'yyyy');
+insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
+(3, 1, 'yyyy'), (4, 3, 'zzzz');
+select * from t1;
+p	a
+1	qqqq
+2	yyyy
+select * from t2;
+p	i	a
+1	1	qqqq
+2	1	pppp
+3	1	yyyy
+4	3	zzzz
+update t1 set p=3 where p=1;
+update t2 set i=2 where i=1;
+show status like 'key_%';
+Variable_name	Value
+Key_blocks_not_flushed	0
+Key_blocks_unused	KEY_BLOCKS_UNUSED
+Key_blocks_used	4
+Key_read_requests	22
+Key_reads	0
+Key_write_requests	26
+Key_writes	6
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	NULL	NULL	2097152	1024	4	#	0	22	0	26	6
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+delete from t2 where a='zzzz';
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	NULL	NULL	2097152	1024	4	#	0	29	0	32	9
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+delete from t1;
+delete from t2;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	NULL	NULL	2097152	1024	4	#	0	29	0	32	9
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+set global key_cache_segments=2;
+select @@key_cache_segments;
+@@key_cache_segments
+2
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	2097152	1024	0	#	0	0	0	0	0
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+insert into t1 values (1, 'qqqq'), (2, 'yyyy');
+insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
+(3, 1, 'yyyy'), (4, 3, 'zzzz');
+select * from t1;
+p	a
+1	qqqq
+2	yyyy
+select * from t2;
+p	i	a
+1	1	qqqq
+2	1	pppp
+3	1	yyyy
+4	3	zzzz
+update t1 set p=3 where p=1;
+update t2 set i=2 where i=1;
+show status like 'key_%';
+Variable_name	Value
+Key_blocks_not_flushed	0
+Key_blocks_unused	KEY_BLOCKS_UNUSED
+Key_blocks_used	4
+Key_read_requests	22
+Key_reads	0
+Key_write_requests	26
+Key_writes	6
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	2097152	1024	4	#	0	22	0	26	6
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+delete from t1;
+delete from t2;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	2097152	1024	4	#	0	22	0	26	6
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+set global key_cache_segments=1;
+select @@key_cache_segments;
+@@key_cache_segments
+1
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	1	NULL	2097152	1024	0	#	0	0	0	0	0
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+insert into t1 values (1, 'qqqq'), (2, 'yyyy');
+insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
+(3, 1, 'yyyy'), (4, 3, 'zzzz');
+select * from t1;
+p	a
+1	qqqq
+2	yyyy
+select * from t2;
+p	i	a
+1	1	qqqq
+2	1	pppp
+3	1	yyyy
+4	3	zzzz
+update t1 set p=3 where p=1;
+update t2 set i=2 where i=1;
+show status like 'key_%';
+Variable_name	Value
+Key_blocks_not_flushed	0
+Key_blocks_unused	KEY_BLOCKS_UNUSED
+Key_blocks_used	4
+Key_read_requests	22
+Key_reads	0
+Key_write_requests	26
+Key_writes	6
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	1	NULL	2097152	1024	4	#	0	22	0	26	6
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+delete from t1;
+delete from t2;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	1	NULL	2097152	1024	4	#	0	22	0	26	6
+small	NULL	NULL	1048576	1024	1	#	0	1	0	2	1
+flush tables;
+flush status;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	1	NULL	2097152	1024	4	#	0	0	0	0	0
+small	NULL	NULL	1048576	1024	1	#	0	0	0	0	0
+set global key_buffer_size=32*1024;
+select @@key_buffer_size;
+@@key_buffer_size
+32768
+set global key_cache_segments=2;
+select @@key_cache_segments;
+@@key_cache_segments
+2
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	0	#	0	0	0	0	0
+small	NULL	NULL	1048576	1024	1	#	0	0	0	0	0
+insert into t1 values (1, 'qqqq'), (2, 'yyyy');
+insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
+(3, 1, 'yyyy'), (4, 3, 'zzzz');
+select * from t1;
+p	a
+1	qqqq
+2	yyyy
+select * from t2;
+p	i	a
+1	1	qqqq
+2	1	pppp
+3	1	yyyy
+4	3	zzzz
+update t1 set p=3 where p=1;
+update t2 set i=2 where i=1;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	4	#	0	22	0	26	6
+small	NULL	NULL	1048576	1024	1	#	0	0	0	0	0
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t1(a) select a from t1;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+insert into t2(i,a) select i,a from t2;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	6733	#	3684	103
+small	NULL	NULL	1048576	1024	#	#	0	0	#	0	0
+select * from t1 where p between 1010 and 1020 ;
+p	a
+select * from t2 where p between 1010 and 1020 ;
+p	i	a
+1010	2	pppp
+1011	2	yyyy
+1012	3	zzzz
+1013	2	qqqq
+1014	2	pppp
+1015	2	yyyy
+1016	3	zzzz
+1017	2	qqqq
+1018	2	pppp
+1019	2	yyyy
+1020	3	zzzz
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	6750	#	3684	103
+small	NULL	NULL	1048576	1024	#	#	0	0	#	0	0
+flush tables;
+flush status;
+update t1 set a='zzzz' where a='qqqq';
+update t2 set i=1 where i=2;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3076	18	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+set global keycache1.key_buffer_size=256*1024;
+select @@keycache1.key_buffer_size;
+@@keycache1.key_buffer_size
+262144
+set global keycache1.key_cache_segments=7;
+select @@keycache1.key_cache_segments;
+@@keycache1.key_cache_segments
+7
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3076	18	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	7	NULL	262143	2048	#	#	0	0	0	0	0
+select * from information_schema.key_caches where key_cache_name like "key%"
+                                                  and segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+keycache1	7	NULL	262143	2048	0	#	0	0	0	0	0
+cache index t1 key (`primary`) in keycache1;
+Table	Op	Msg_type	Msg_text
+test.t1	assign_to_keycache	status	OK
+explain select p from t1 where p between 1010 and 1020;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	1	Using where; Using index
+select p from t1 where p between 1010 and 1020;
+p
+explain select i from t2 where p between 1010 and 1020;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	PRIMARY	PRIMARY	4	NULL	28	Using index condition; Using MRR
+select i from t2 where p between 1010 and 1020;
+i
+1
+1
+3
+1
+1
+1
+3
+1
+1
+1
+3
+explain select count(*) from t1, t2 where t1.p = t2.i;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	index	k1	k1	5	NULL	1024	Using index
+1	SIMPLE	t1	eq_ref	PRIMARY	PRIMARY	4	test.t2.i	1	Using index
+select count(*) from t1, t2 where t1.p = t2.i;
+count(*)
+256
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	7	NULL	262143	2048	#	#	0	14	3	0	0
+select * from information_schema.key_caches where key_cache_name like "key%"
+                                                  and segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+keycache1	7	NULL	262143	2048	3	#	0	14	3	0	0
+cache index t2 in keycache1;
+Table	Op	Msg_type	Msg_text
+test.t2	assign_to_keycache	status	OK
+update t2 set p=p+3000, i=2 where a='qqqq';
+select * from information_schema.key_caches where key_cache_name like "key%"
+                                                  and segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+keycache1	7	NULL	262143	2048	25	#	0	2082	25	1071	19
+set global keycache2.key_buffer_size=1024*1024;
+cache index t2 in keycache2;
+Table	Op	Msg_type	Msg_text
+test.t2	assign_to_keycache	status	OK
+insert into t2 values (2000, 3, 'yyyy');
+select * from information_schema.key_caches where key_cache_name like "keycache2"
+                                                  and segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+keycache2	NULL	NULL	1048576	1024	6	#	0	6	6	3	3
+select * from information_schema.key_caches where key_cache_name like "key%" 
+and segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+keycache1	7	NULL	262143	2048	25	#	0	2082	25	1071	19
+keycache2	NULL	NULL	1048576	1024	6	#	0	6	6	3	3
+cache index t2 in keycache1;
+Table	Op	Msg_type	Msg_text
+test.t2	assign_to_keycache	status	OK
+update t2 set p=p+5000 where a='zzzz';
+select * from t2 where p between 1010 and 1020;
+p	i	a
+1010	1	pppp
+1011	1	yyyy
+1014	1	pppp
+1015	1	yyyy
+1018	1	pppp
+1019	1	yyyy
+explain select p from t2  where p between 1010 and 1020;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	PRIMARY	PRIMARY	4	NULL	7	Using where; Using index
+select p from t2 where p between 1010 and 1020;
+p
+1010
+1011
+1014
+1015
+1018
+1019
+explain select i from t2 where a='yyyy' and i=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	k1,k2	k1	5	const	188	Using where
+select i from t2 where a='yyyy' and i=3;
+i
+3
+explain select a from t2 where a='yyyy' and i=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	k1,k2	k1	5	const	188	Using where
+select a from t2 where a='yyyy' and i=3 ;
+a
+yyyy
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	7	NULL	262143	2048	#	#	0	3201	43	1594	30
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_cache_block_size=2*1024;
+insert into t2 values (7000, 3, 'yyyy');
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	7	NULL	262143	2048	#	#	0	6	6	3	3
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_cache_block_size=8*1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	3	NULL	262143	8192	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+insert into t2 values (8000, 3, 'yyyy');
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	3	NULL	262143	8192	#	#	0	6	5	3	3
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_buffer_size=64*1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_cache_block_size=2*1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	3	NULL	65535	2048	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_cache_block_size=8*1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_buffer_size=0;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_cache_block_size=8*1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_buffer_size=0;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_buffer_size=128*1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	1	NULL	131072	8192	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+set global keycache1.key_cache_block_size=1024;
+select * from information_schema.key_caches where segment_number is null;
+KEY_CACHE_NAME	SEGMENTS	SEGMENT_NUMBER	FULL_SIZE	BLOCK_SIZE	USED_BLOCKS	UNUSED_BLOCKS	DIRTY_BLOCKS	READ_REQUESTS	READS	WRITE_REQUESTS	WRITES
+default	2	NULL	32768	1024	#	#	0	3172	24	1552	18
+small	NULL	NULL	1048576	1024	#	#	0	0	0	0	0
+keycache1	7	NULL	131068	1024	#	#	0	0	0	0	0
+keycache2	NULL	NULL	1048576	1024	#	#	0	6	6	3	3
+drop table t1,t2;
+set global keycache1.key_buffer_size=0;
+set global keycache2.key_buffer_size=0;
+set global key_buffer_size=@save_key_buffer_size;
+set global key_cache_segments=@save_key_cache_segments;
diff --git a/mysql-test/r/loaddata.result b/mysql-test/r/loaddata.result
index 1e488b320d7..b3487d376a1 100644
--- a/mysql-test/r/loaddata.result
+++ b/mysql-test/r/loaddata.result
@@ -202,12 +202,6 @@ select * from t1;
 a	b	c
 10	NULL	Ten
 15	NULL	Fifteen
-show variables like "secure_file_pri%";
-Variable_name	Value
-secure_file_priv	MYSQLTEST_VARDIR/
-select @@secure_file_priv;
-@@secure_file_priv
-MYSQLTEST_VARDIR/
 set @@secure_file_priv= 0;
 ERROR HY000: Variable 'secure_file_priv' is a read only variable
 truncate table t1;
@@ -456,6 +450,13 @@ LOAD_FILE("MYSQLTEST_VARDIR/tmp/bug37114.txt")
 
 set session sql_mode=@OLD_SQL_MODE;
 DROP TABLE t1,t2;
+#
+# Bug #51893: crash with certain characters given to load_file 
+#   function on windows
+#
+select load_file(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
+load_file(0x0A9FB76C661B409C4BEC88098C5DD71B1072F9691F2E827D7EC8F092B299868A3CE196C04F0FB18CAB4E1557EB72331D812379DE7A75CA21C32E7C722C59E5CC33EF262EF04187B0F0EE756FA984DF2EAD37B1E4ADB064C3C5038F2E3B2D661B1C1150AAEB5425512E14D7506166D92D4533872E662F4B2D142
+NULL
 End of 5.0 tests
 CREATE TABLE t1 (a int);
 INSERT INTO t1 VALUES (1);
@@ -484,4 +485,15 @@ SET character_set_filesystem=default;
 select @@character_set_filesystem;
 @@character_set_filesystem
 binary
+#
+# Bug #51850: crash/memory overlap when using load data infile and set 
+#  col equal to itself!
+#
+CREATE TABLE t1(col0 LONGBLOB);
+SELECT 'test' INTO OUTFILE 't1.txt';
+LOAD DATA INFILE 't1.txt' IGNORE INTO TABLE t1 SET col0=col0;
+SELECT * FROM t1;
+col0
+test
+DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/log_state.result b/mysql-test/r/log_state.result
index 5c3e3d789a1..4ce678e37aa 100644
--- a/mysql-test/r/log_state.result
+++ b/mysql-test/r/log_state.result
@@ -199,7 +199,7 @@ SELECT @@general_log, @@log;
 1	1
 SET GLOBAL log = 0;
 Warnings:
-Warning	1287	The syntax '@@log' is deprecated and will be removed in MySQL 7.0. Please use '@@general_log' instead
+Warning	1287	'@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
 SHOW VARIABLES LIKE 'general_log';
 Variable_name	Value
 general_log	OFF
@@ -230,7 +230,7 @@ SELECT @@slow_query_log, @@log_slow_queries;
 0	0
 SET GLOBAL log_slow_queries = 0;
 Warnings:
-Warning	1287	The syntax '@@log_slow_queries' is deprecated and will be removed in MySQL 7.0. Please use '@@slow_query_log' instead
+Warning	1287	'@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
 SHOW VARIABLES LIKE 'slow_query_log';
 Variable_name	Value
 slow_query_log	OFF
@@ -283,16 +283,16 @@ SET GLOBAL slow_query_log_file = @old_slow_query_log_file;
 deprecated:
 SET GLOBAL log = 0;
 Warnings:
-Warning	1287	The syntax '@@log' is deprecated and will be removed in MySQL 7.0. Please use '@@general_log' instead
+Warning	1287	'@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
 SET GLOBAL log_slow_queries = 0;
 Warnings:
-Warning	1287	The syntax '@@log_slow_queries' is deprecated and will be removed in MySQL 7.0. Please use '@@slow_query_log' instead
+Warning	1287	'@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
 SET GLOBAL log = DEFAULT;
 Warnings:
-Warning	1287	The syntax '@@log' is deprecated and will be removed in MySQL 7.0. Please use '@@general_log' instead
+Warning	1287	'@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
 SET GLOBAL log_slow_queries = DEFAULT;
 Warnings:
-Warning	1287	The syntax '@@log_slow_queries' is deprecated and will be removed in MySQL 7.0. Please use '@@slow_query_log' instead
+Warning	1287	'@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
 not deprecated:
 SELECT @@global.general_log_file INTO @my_glf;
 SELECT @@global.slow_query_log_file INTO @my_sqlf;
diff --git a/mysql-test/r/log_tables_upgrade.result b/mysql-test/r/log_tables_upgrade.result
new file mode 100644
index 00000000000..5d9be85a48a
--- /dev/null
+++ b/mysql-test/r/log_tables_upgrade.result
@@ -0,0 +1,47 @@
+#
+# Bug#49823: mysql_upgrade fatal error due to general_log / slow_low CSV NULL
+#
+USE test;
+SET @saved_general_log = @@GLOBAL.general_log;
+SET GLOBAL general_log = OFF;
+USE mysql;
+FLUSH TABLES;
+REPAIR TABLE test.bug49823;
+Table	Op	Msg_type	Msg_text
+test.bug49823	repair	status	OK
+RENAME TABLE general_log TO renamed_general_log;
+RENAME TABLE test.bug49823 TO general_log;
+mtr.global_suppressions                            OK
+mtr.test_suppressions                              OK
+mysql.columns_priv                                 OK
+mysql.db                                           OK
+mysql.event                                        OK
+mysql.func                                         OK
+mysql.general_log
+Error    : You can't use locks with log tables.
+status   : OK
+mysql.help_category                                OK
+mysql.help_keyword                                 OK
+mysql.help_relation                                OK
+mysql.help_topic                                   OK
+mysql.host                                         OK
+mysql.ndb_binlog_index                             OK
+mysql.plugin                                       OK
+mysql.proc                                         OK
+mysql.procs_priv                                   OK
+mysql.renamed_general_log                          OK
+mysql.servers                                      OK
+mysql.slow_log
+Error    : You can't use locks with log tables.
+status   : OK
+mysql.tables_priv                                  OK
+mysql.time_zone                                    OK
+mysql.time_zone_leap_second                        OK
+mysql.time_zone_name                               OK
+mysql.time_zone_transition                         OK
+mysql.time_zone_transition_type                    OK
+mysql.user                                         OK
+DROP TABLE general_log;
+RENAME TABLE renamed_general_log TO general_log;
+SET GLOBAL general_log = @saved_general_log;
+USE test;
diff --git a/mysql-test/r/merge.result b/mysql-test/r/merge.result
index c49cf801fa7..8cd5302345b 100644
--- a/mysql-test/r/merge.result
+++ b/mysql-test/r/merge.result
@@ -2171,4 +2171,83 @@ Trigger	sql_mode	SQL Original Statement	character_set_client	collation_connectio
 tr1		CREATE DEFINER=`root`@`localhost` TRIGGER tr1 AFTER INSERT ON t3 FOR EACH ROW CALL foo()	latin1	latin1_swedish_ci	latin1_swedish_ci
 DROP TRIGGER tr1;
 DROP TABLE t1, t2, t3;
+#
+# BUG#48265 - MRG_MYISAM problem (works in 5.0.85, does't work in 5.1.40)
+#
+CREATE DATABASE `test/1`;
+CREATE TABLE `test/1`.`t/1`(a INT);
+CREATE TABLE m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
+SELECT * FROM m1;
+a
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`test/1`.`t/1`)
+DROP TABLE m1;
+CREATE TABLE `test/1`.m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
+SELECT * FROM `test/1`.m1;
+a
+SHOW CREATE TABLE `test/1`.m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t/1`)
+DROP TABLE `test/1`.m1;
+DROP TABLE `test/1`.`t/1`;
+CREATE TEMPORARY TABLE `test/1`.`t/1`(a INT);
+CREATE TEMPORARY TABLE m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
+SELECT * FROM m1;
+a
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TEMPORARY TABLE `m1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`test/1`.`t/1`)
+DROP TABLE m1;
+CREATE TEMPORARY TABLE `test/1`.m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
+SELECT * FROM `test/1`.m1;
+a
+SHOW CREATE TABLE `test/1`.m1;
+Table	Create Table
+m1	CREATE TEMPORARY TABLE `m1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t/1`)
+DROP TABLE `test/1`.m1;
+DROP TABLE `test/1`.`t/1`;
+DROP DATABASE `test/1`;
+CREATE TABLE `t@1`(a INT);
+SELECT * FROM m1;
+a
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t@1`)
+DROP TABLE `t@1`;
+CREATE DATABASE `test@1`;
+CREATE TABLE `test@1`.`t@1`(a INT);
+FLUSH TABLE m1;
+SELECT * FROM m1;
+a
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`test@1`.`t@1`)
+DROP TABLE m1;
+DROP TABLE `test@1`.`t@1`;
+DROP DATABASE `test@1`;
+#
+# Bug#51494c rash with join, explain and 'sounds like' operator
+#
+CREATE TABLE t1 (a INT) ENGINE=MYISAM;
+INSERT INTO t1 VALUES(1);
+CREATE TABLE t2 (b INT NOT NULL,c INT,d INT,e BLOB NOT NULL,
+KEY idx0 (d, c)) ENGINE=MERGE;
+EXPLAIN SELECT * FROM t1 NATURAL RIGHT JOIN
+t2 WHERE b SOUNDS LIKE e AND d = 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+DROP TABLE t2, t1;
 End of 5.1 tests
diff --git a/mysql-test/r/metadata.result b/mysql-test/r/metadata.result
index 6b498e55d85..2f9fb6b67f5 100644
--- a/mysql-test/r/metadata.result
+++ b/mysql-test/r/metadata.result
@@ -198,4 +198,15 @@ def				IF(i, d, d)	IF(i, d, d)	10	10	10	Y	128	0	63
 def				IFNULL(d, d)	IFNULL(d, d)	10	10	10	Y	128	0	63
 def				LEAST(d, d)	LEAST(d, d)	10	10	10	Y	128	0	63
 DROP TABLE t1;
+#
+# Bug#41788 mysql_fetch_field returns org_table == table by a view
+#
+CREATE TABLE t1 (f1 INT);
+CREATE VIEW v1 AS SELECT f1 FROM t1;
+SELECT f1 FROM v1 va;
+Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
+def	test	v1	va	f1	f1	3	11	0	Y	32768	0	63
+f1
+DROP VIEW v1;
+DROP TABLE t1;
 End of 5.0 tests
diff --git a/mysql-test/r/multi_update.result b/mysql-test/r/multi_update.result
index 449333a4ae6..04bf7720c43 100644
--- a/mysql-test/r/multi_update.result
+++ b/mysql-test/r/multi_update.result
@@ -634,4 +634,15 @@ select count(*) from t3 /* must be 1 */;
 count(*)
 1
 drop table t1, t2, t3;
+#
+# Bug#49534: multitable IGNORE update with sql_safe_updates error
+# causes debug assertion
+#
+CREATE TABLE t1( a INT, KEY( a ) );
+INSERT INTO t1 VALUES (1), (2), (3);
+SET SESSION sql_safe_updates = 1;
+# Must not cause failed assertion
+UPDATE IGNORE t1, t1 t1a SET t1.a = 1 WHERE t1a.a = 1;
+ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
+DROP TABLE t1;
 end of tests
diff --git a/mysql-test/r/myisam.result b/mysql-test/r/myisam.result
index 60c4fde1d61..a4b201754c0 100644
--- a/mysql-test/r/myisam.result
+++ b/mysql-test/r/myisam.result
@@ -1868,6 +1868,19 @@ CHECKSUM TABLE t1 EXTENDED;
 Table	Checksum
 test.t1	467455460
 DROP TABLE t1;
+#
+# BUG#48438 - crash with error in unioned query against merge table and view...
+#
+SET GLOBAL table_open_cache=3;
+CREATE TABLE t1(a INT);
+SELECT 1 FROM t1 AS a1, t1 AS a2, t1 AS a3, t1 AS a4 FOR UPDATE;
+1
+SELECT TABLE_ROWS, DATA_LENGTH FROM INFORMATION_SCHEMA.TABLES
+WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+TABLE_ROWS	DATA_LENGTH
+0	0
+DROP TABLE t1;
+SET GLOBAL table_open_cache=DEFAULT;
 End of 5.0 tests
 create table t1 (a int not null, key `a` (a) key_block_size=1024);
 show create table t1;
@@ -2331,6 +2344,8 @@ INSERT INTO t1 SELECT a+1280,b FROM t1;
 INSERT INTO t1 SELECT a+2560,b FROM t1;
 INSERT INTO t1 SELECT a+5120,b FROM t1;
 SET myisam_sort_buffer_size=4;
+Warnings:
+Warning	1292	Truncated incorrect myisam_sort_buffer_size value: '4'
 REPAIR TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	repair	error	myisam_sort_buffer_size is too small
@@ -2344,4 +2359,89 @@ CHECK TABLE t1;
 Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 DROP TABLE t1;
+#
+# BUG#49628 - corrupt table after legal SQL, LONGTEXT column
+#
+CREATE TABLE t1(a INT, b LONGTEXT, UNIQUE(a));
+REPLACE INTO t1 VALUES
+(1, REPEAT('a', 129015)),(1, NULL),
+(2, NULL),(3, NULL),(4, NULL),(5, NULL),(6, NULL),(7, NULL),
+(1, REPEAT('b', 129016)),(1, NULL),
+(1, REPEAT('c', 129015)),(1, REPEAT('d', 129015));
+CHECK TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+DROP TABLE t1;
+#
+# Bug#51304: checksum table gives different results
+# for same data when using bit fields
+#
+CREATE TABLE t1(a INT, b BIT(1));
+INSERT INTO t1 VALUES(1, 0), (2, 1);
+CREATE TABLE t2 SELECT * FROM t1;
+FLUSH TABLES;
+CHECKSUM TABLE t1 EXTENDED;
+Table	Checksum
+test.t1	3775188275
+CHECKSUM TABLE t2 EXTENDED;
+Table	Checksum
+test.t2	3775188275
+CHECKSUM TABLE t3 EXTENDED;
+Table	Checksum
+test.t3	3775188275
+DROP TABLE t1, t2, t3;
+#
+# BUG#51307 - widespread corruption with partitions and insert...select
+#
+CREATE TABLE t1(a CHAR(255), KEY(a));
+SELECT * FROM t1, t1 AS a1;
+a	a
+SET myisam_sort_buffer_size=4;
+Warnings:
+Warning	1292	Truncated incorrect myisam_sort_buffer_size value: '4'
+INSERT INTO t1 VALUES
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),('0'),
+('0'),('0'),('0'),('0'),('0'),('0'),('0');
+Warnings:
+Error	1034	myisam_sort_buffer_size is too small
+Error	1034	Number of rows changed from 0 to 157
+SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
+INSERT INTO t1 VALUES('1');
+SELECT * FROM t1, t1 AS a1 WHERE t1.a=1 AND a1.a=1;
+a	a
+1	1
+DROP TABLE t1;
+#
+# BUG#47444 - --myisam_repair_threads>1can result in all index
+#             cardinalities=1
+#
+SET myisam_repair_threads=2;
+SET myisam_sort_buffer_size=4096;
+CREATE TABLE t1(a CHAR(255), KEY(a), KEY(a), KEY(a));
+INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(0),(1),(2),(3);
+REPAIR TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	repair	status	OK
+SELECT CARDINALITY FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+CARDINALITY
+14
+14
+14
+DROP TABLE t1;
+SET myisam_sort_buffer_size=@@global.myisam_sort_buffer_size;
+SET myisam_repair_threads=@@global.myisam_repair_threads;
 End of 5.1 tests
diff --git a/mysql-test/r/mysqlbinlog.result b/mysql-test/r/mysqlbinlog.result
index b7aa981f834..69d19b5e87f 100644
--- a/mysql-test/r/mysqlbinlog.result
+++ b/mysql-test/r/mysqlbinlog.result
@@ -479,7 +479,7 @@ FLUSH LOGS;
 RESET MASTER;
 FLUSH LOGS;
 #
-# Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified is exist
+# Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified exists
 /*!40019 SET @@session.max_insert_delayed_threads=0*/;
 /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
 DELIMITER /*!*/;
@@ -532,7 +532,7 @@ DELIMITER ;
 ROLLBACK /* added by mysqlbinlog */;
 /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
 #
-# Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified is not exist
+# Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified does not exist
 /*!40019 SET @@session.max_insert_delayed_threads=0*/;
 /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
 DELIMITER /*!*/;
@@ -565,5 +565,76 @@ DELIMITER ;
 # End of log file
 ROLLBACK /* added by mysqlbinlog */;
 /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
+#
+# Test if the 'SAVEPOINT', 'ROLLBACK TO' are output if the database specified exists
+/*!40019 SET @@session.max_insert_delayed_threads=0*/;
+/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
+DELIMITER /*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+SET @@session.pseudo_thread_id=999999999/*!*/;
+SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1, @@session.autocommit=1/*!*/;
+SET @@session.sql_mode=0/*!*/;
+SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
+/*!\C latin1 *//*!*/;
+SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
+SET @@session.lc_time_names=0/*!*/;
+SET @@session.collation_database=DEFAULT/*!*/;
+BEGIN
+/*!*/;
+use test/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+SavePoint mixed_cases
+/*!*/;
+use db1/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+INSERT INTO db1.t2 VALUES("in savepoint mixed_cases")
+/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+INSERT INTO db1.t1 VALUES(40)
+/*!*/;
+use test/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+ROLLBACK TO mixed_cases
+/*!*/;
+use db1/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+INSERT INTO db1.t2 VALUES("after rollback to")
+/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+INSERT INTO db1.t1 VALUES(50)
+/*!*/;
+COMMIT/*!*/;
+DELIMITER ;
+# End of log file
+ROLLBACK /* added by mysqlbinlog */;
+/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
+#
+# Test if the 'SAVEPOINT', 'ROLLBACK TO' are output if the database specified does not exist
+/*!40019 SET @@session.max_insert_delayed_threads=0*/;
+/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
+DELIMITER /*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+SET @@session.pseudo_thread_id=999999999/*!*/;
+SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1, @@session.autocommit=1/*!*/;
+SET @@session.sql_mode=0/*!*/;
+SET @@session.auto_increment_increment=1, @@session.auto_increment_offset=1/*!*/;
+/*!\C latin1 *//*!*/;
+SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
+SET @@session.lc_time_names=0/*!*/;
+SET @@session.collation_database=DEFAULT/*!*/;
+BEGIN
+/*!*/;
+use test/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+SavePoint mixed_cases
+/*!*/;
+SET TIMESTAMP=1266652094/*!*/;
+ROLLBACK TO mixed_cases
+/*!*/;
+COMMIT/*!*/;
+DELIMITER ;
+# End of log file
+ROLLBACK /* added by mysqlbinlog */;
+/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
 End of 5.0 tests
 End of 5.1 tests
diff --git a/mysql-test/r/mysqlbinlog_row_innodb.result b/mysql-test/r/mysqlbinlog_row_innodb.result
index 86f0b67ebb3..ee448311278 100644
--- a/mysql-test/r/mysqlbinlog_row_innodb.result
+++ b/mysql-test/r/mysqlbinlog_row_innodb.result
@@ -2365,7 +2365,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Write_rows: table id # flags: STMT_END_F
 ### INSERT INTO test.t1
 ### SET
-###   @1=b'00000000' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'0' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'0000000000000000000000000000000000000000000000000000000000000000' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=-128 (128) /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -2458,7 +2458,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Write_rows: table id # flags: STMT_END_F
 ### INSERT INTO test.t1
 ### SET
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=-1 (255) /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -2553,7 +2553,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Write_rows: table id # flags: STMT_END_F
 ### INSERT INTO test.t1
 ### SET
-###   @1=NULL /* type=16 meta=256 nullable=1 is_null=1 */
+###   @1=NULL /* type=16 meta=1 nullable=1 is_null=1 */
 ###   @2=NULL /* type=16 meta=2048 nullable=1 is_null=1 */
 ###   @3=NULL /* type=1 meta=0 nullable=1 is_null=1 */
 ###   @4=NULL /* type=1 meta=0 nullable=1 is_null=1 */
@@ -2634,7 +2634,7 @@ BEGIN
 ###   @79=3 /* INT meta=0 nullable=1 is_null=0 */
 ### INSERT INTO test.t1
 ### SET
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -2727,7 +2727,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Update_rows: table id # flags: STMT_END_F
 ### UPDATE test.t1
 ### WHERE
-###   @1=b'00000000' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'0' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'0000000000000000000000000000000000000000000000000000000000000000' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=-128 (128) /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -2807,7 +2807,7 @@ BEGIN
 ###   @78=b'00000000' /* SET(1 bytes) meta=63489 nullable=1 is_null=0 */
 ###   @79=1 /* INT meta=0 nullable=1 is_null=0 */
 ### SET
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=-1 (255) /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -2900,7 +2900,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Update_rows: table id # flags: STMT_END_F
 ### UPDATE test.t1
 ### WHERE
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=-1 (255) /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -2980,7 +2980,7 @@ BEGIN
 ###   @78=b'00000111' /* SET(1 bytes) meta=63489 nullable=1 is_null=0 */
 ###   @79=2 /* INT meta=0 nullable=1 is_null=0 */
 ### SET
-###   @1=b'00000000' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'0' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'0000000000000000000000000000000000000000000000000000000000000000' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=-128 (128) /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -3073,7 +3073,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Update_rows: table id # flags: STMT_END_F
 ### UPDATE test.t1
 ### WHERE
-###   @1=NULL /* type=16 meta=256 nullable=1 is_null=1 */
+###   @1=NULL /* type=16 meta=1 nullable=1 is_null=1 */
 ###   @2=NULL /* type=16 meta=2048 nullable=1 is_null=1 */
 ###   @3=NULL /* type=1 meta=0 nullable=1 is_null=1 */
 ###   @4=NULL /* type=1 meta=0 nullable=1 is_null=1 */
@@ -3153,7 +3153,7 @@ BEGIN
 ###   @78=NULL /* TIMESTAMP meta=63489 nullable=1 is_null=1 */
 ###   @79=3 /* INT meta=0 nullable=1 is_null=0 */
 ### SET
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -3246,7 +3246,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Update_rows: table id # flags: STMT_END_F
 ### UPDATE test.t1
 ### WHERE
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -3326,7 +3326,7 @@ BEGIN
 ###   @78=b'00000110' /* SET(1 bytes) meta=63489 nullable=1 is_null=0 */
 ###   @79=4 /* INT meta=0 nullable=1 is_null=0 */
 ### SET
-###   @1=NULL /* type=16 meta=256 nullable=1 is_null=1 */
+###   @1=NULL /* type=16 meta=1 nullable=1 is_null=1 */
 ###   @2=NULL /* type=16 meta=2048 nullable=1 is_null=1 */
 ###   @3=NULL /* type=1 meta=0 nullable=1 is_null=1 */
 ###   @4=NULL /* type=1 meta=0 nullable=1 is_null=1 */
@@ -3419,7 +3419,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Delete_rows: table id # flags: STMT_END_F
 ### DELETE FROM test.t1
 ### WHERE
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=-1 (255) /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -3512,7 +3512,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Delete_rows: table id # flags: STMT_END_F
 ### DELETE FROM test.t1
 ### WHERE
-###   @1=b'00000000' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'0' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'0000000000000000000000000000000000000000000000000000000000000000' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=-128 (128) /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -3605,7 +3605,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Delete_rows: table id # flags: STMT_END_F
 ### DELETE FROM test.t1
 ### WHERE
-###   @1=b'00000001' /* BIT(8) meta=256 nullable=1 is_null=0 */
+###   @1=b'1' /* BIT(1) meta=1 nullable=1 is_null=0 */
 ###   @2=b'1111111111111111111111111111111111111111111111111111111111111111' /* BIT(64) meta=2048 nullable=1 is_null=0 */
 ###   @3=127 /* TINYINT meta=0 nullable=1 is_null=0 */
 ###   @4=0 /* TINYINT meta=0 nullable=1 is_null=0 */
@@ -3698,7 +3698,7 @@ BEGIN
 #010909  4:46:40 server id 1  end_log_pos # 	Delete_rows: table id # flags: STMT_END_F
 ### DELETE FROM test.t1
 ### WHERE
-###   @1=NULL /* type=16 meta=256 nullable=1 is_null=1 */
+###   @1=NULL /* type=16 meta=1 nullable=1 is_null=1 */
 ###   @2=NULL /* type=16 meta=2048 nullable=1 is_null=1 */
 ###   @3=NULL /* type=1 meta=0 nullable=1 is_null=1 */
 ###   @4=NULL /* type=1 meta=0 nullable=1 is_null=1 */
diff --git a/mysql-test/r/mysqltest.result b/mysql-test/r/mysqltest.result
index 7d903a17d2e..4c711c5a977 100644
--- a/mysql-test/r/mysqltest.result
+++ b/mysql-test/r/mysqltest.result
@@ -148,9 +148,10 @@ hello
 hello
 ;;;;;;;;
 # MySQL: -- The
-mysqltest: At line 1: End of line junk detected: "6"
-mysqltest: At line 1: End of line junk detected: "6"
-mysqltest: At line 1: Missing delimiter
+mysqltest: At line 1: Extra argument '6' passed to 'sleep'
+mysqltest: At line 1: Extra argument '6' passed to 'sleep'
+mysqltest: At line 1: Extra argument 'A comment
+show status' passed to 'sleep'
 mysqltest: At line 1: End of line junk detected: "sleep 7
 # Another comment
 "
@@ -217,6 +218,12 @@ source database
 echo message echo message
 
 mysqltest: At line 1: Missing argument in exec
+1
+1
+2
+2
+X
+3
 MySQL
 "MySQL"
 MySQL: The
@@ -349,8 +356,10 @@ here is the sourced script
 here is the sourced script
 "hello"
 "hello"
-mysqltest: At line 1: Missing argument to sleep
-mysqltest: At line 1: Missing argument to real_sleep
+mysqltest: At line 2: Invalid argument to sleep "xyz"
+mysqltest: At line 2: Invalid argument to real_sleep "xyz"
+mysqltest: At line 1: Missing required argument 'sleep_delay' to command 'sleep'
+mysqltest: At line 1: Missing required argument 'sleep_delay' to command 'real_sleep'
 mysqltest: At line 1: Invalid argument to sleep "abc"
 mysqltest: At line 1: Invalid argument to real_sleep "abc"
 1
@@ -378,6 +387,10 @@ test
 test2
 test3
 test4
+outer
+true-inner
+true-inner again
+true-outer
 Counter is greater than 0, (counter=10)
 Counter is not 0, (counter=0)
 1
@@ -418,6 +431,9 @@ mysqltest: At line 1: Wrong number of arguments to replace_column in 'replace_co
 mysqltest: At line 1: Wrong column number to replace_column in 'replace_column a b'
 mysqltest: At line 1: Wrong column number to replace_column in 'replace_column a 1'
 mysqltest: At line 1: Wrong column number to replace_column in 'replace_column 1 b c '
+select "LONG_STRING" as x;
+x
+LONG_STRING
 mysqltest: At line 1: Invalid integer argument "10!"
 mysqltest: At line 1: Invalid integer argument "a"
 mysqltest: At line 1: Missing required argument 'connection name' to command 'connect'
@@ -524,7 +540,28 @@ a	D
 1	1
 1	4
 drop table t1;
+create table t1 ( f1 char(10));
+insert into t1 values ("Abcd");
+select * from t1;
+f1
+Abcd
+select * from t2;;
+ERROR 42S02: Table 'test.t2' doesn't exist
+select * from t1;
+f1
+Abcd
+select * from t1;;
+Result coming up
+f1
+Abcd
+select * from t1;;
+f1
+Abcd
+mysqltest: At line 2: Cannot run query on connection between send and reap
+select * from t1;;
+drop table t1;
 mysqltest: At line 1: Missing required argument 'filename' to command 'remove_file'
+mysqltest: At line 1: Missing required argument 'directory' to command 'remove_files_wildcard'
 mysqltest: At line 1: Missing required argument 'filename' to command 'write_file'
 mysqltest: At line 1: End of file encountered before 'EOF' delimiter was found
 Content for test_file1
@@ -554,6 +591,8 @@ hello
 mysqltest: At line 1: Max delimiter length(16) exceeded
 hello
 hello
+val is 5
+val is 5
 mysqltest: At line 1: test of die
 Some output
 create table t1( a int, b char(255), c timestamp);
@@ -681,6 +720,29 @@ INSERT INTO t1 SELECT f1 - 256 FROM t1;
 INSERT INTO t1 SELECT f1 - 512 FROM t1;
 SELECT * FROM t1;
 DROP TABLE t1;
+select "500g blåbærsyltetøy" as "will be lower cased";
+will be lower cased
+500g blåbærsyltetøy
+SELECT "UPPER" AS "WILL NOT BE lower cased";
+WILL NOT BE lower cased
+UPPER
+UP
+SELECT 0 as "UP AGAIN";
+UP AGAIN
+0
+select "abcdef" as "uvwxyz";
+uvwxyz
+abcdef
+select "xyz" as name union select "abc" as name order by name desc;
+name
+abc
+xyz
+select 1 as "some new text";
+some new text
+1
+select 0 as "will not lower case ÄËÐ";
+will not lower case ÄËÐ
+0
 CREATE TABLE t1(
 a int, b varchar(255), c datetime
 );
@@ -727,6 +789,8 @@ mysqltest: At line 1: change user failed: Access denied for user 'root'@'localho
 file1.txt
 file1.txt
 file2.txt
+file11.txt
+dir-list.txt
 SELECT 'c:\\a.txt' AS col;
 col
 z
diff --git a/mysql-test/r/no_binlog.result b/mysql-test/r/no_binlog.result
new file mode 100644
index 00000000000..6ae267664fd
--- /dev/null
+++ b/mysql-test/r/no_binlog.result
@@ -0,0 +1,2 @@
+SHOW BINARY LOGS;
+ERROR HY000: You are not using binary logging
diff --git a/mysql-test/r/partition.result b/mysql-test/r/partition.result
index 08357795046..23a485dc5ed 100644
--- a/mysql-test/r/partition.result
+++ b/mysql-test/r/partition.result
@@ -2088,4 +2088,15 @@ SELECT  1 FROM t1 JOIN t1 AS t2 USING (a) FOR UPDATE;
 1
 1
 DROP TABLE t1;
+#
+# BUG#51868 - crash with myisam_use_mmap and partitioned myisam tables
+#
+SET GLOBAL myisam_use_mmap=1;
+CREATE TABLE t1(a INT) PARTITION BY HASH(a) PARTITIONS 1;
+INSERT INTO t1 VALUES(0);
+FLUSH TABLE t1;
+TRUNCATE TABLE t1;
+INSERT INTO t1 VALUES(0);
+DROP TABLE t1;
+SET GLOBAL myisam_use_mmap=default;
 End of 5.1 tests
diff --git a/mysql-test/r/partition_debug_sync.result b/mysql-test/r/partition_debug_sync.result
new file mode 100644
index 00000000000..5eb19f42395
--- /dev/null
+++ b/mysql-test/r/partition_debug_sync.result
@@ -0,0 +1,57 @@
+DROP TABLE IF EXISTS t1, t2;
+SET DEBUG_SYNC= 'RESET';
+#
+# Bug#42438: Crash ha_partition::change_table_ptr
+# Test when remove partitioning is done while drop table is waiting
+# for the table.
+# Con 1
+SET DEBUG_SYNC= 'RESET';
+CREATE TABLE t1
+(a INTEGER,
+b INTEGER NOT NULL,
+KEY (b))
+ENGINE = MYISAM
+/*!50100  PARTITION BY RANGE (a)
+(PARTITION p0 VALUES LESS THAN (2),
+PARTITION p1 VALUES LESS THAN (20),
+PARTITION p2 VALUES LESS THAN (100),
+PARTITION p3 VALUES LESS THAN MAXVALUE ) */;
+SET DEBUG_SYNC= 'alter_table_before_create_table_no_lock SIGNAL removing_partitioning WAIT_FOR waiting_for_alter';
+SET DEBUG_SYNC= 'alter_table_before_main_binlog SIGNAL partitioning_removed';
+ALTER TABLE t1 REMOVE PARTITIONING;
+# Con default
+SET DEBUG_SYNC= 'now WAIT_FOR removing_partitioning';
+SET DEBUG_SYNC= 'waiting_for_table SIGNAL waiting_for_alter';
+SET DEBUG_SYNC= 'rm_table_part2_before_delete_table WAIT_FOR partitioning_removed';
+DROP TABLE IF EXISTS t1;
+# Con 1
+SET DEBUG_SYNC= 'RESET';
+SET DEBUG_SYNC= 'RESET';
+#
+# Bug#42438: Crash ha_partition::change_table_ptr
+# Test when remove partitioning is failing due to drop table is already
+# in progress.
+CREATE TABLE t2
+(a INTEGER,
+b INTEGER NOT NULL,
+KEY (b))
+ENGINE = MYISAM
+/*!50100  PARTITION BY RANGE (a)
+(PARTITION p0 VALUES LESS THAN (2),
+PARTITION p1 VALUES LESS THAN (20),
+PARTITION p2 VALUES LESS THAN (100),
+PARTITION p3 VALUES LESS THAN MAXVALUE ) */;
+SET DEBUG_SYNC= 'before_lock_tables_takes_lock SIGNAL removing_partitions WAIT_FOR waiting_for_alter';
+SET DEBUG_SYNC= 'alter_table_before_rename_result_table WAIT_FOR delete_done';
+ALTER TABLE t2 REMOVE PARTITIONING;
+# Con default
+SET DEBUG_SYNC= 'now WAIT_FOR removing_partitions';
+SET DEBUG_SYNC= 'waiting_for_table SIGNAL waiting_for_alter';
+SET DEBUG_SYNC= 'rm_table_part2_before_binlog SIGNAL delete_done';
+DROP TABLE IF EXISTS t2;
+# Con 1
+ERROR 42S02: Table 'test.t2' doesn't exist
+SET DEBUG_SYNC= 'RESET';
+# Con default
+SET DEBUG_SYNC= 'RESET';
+End of 5.1 tests
diff --git a/mysql-test/r/partition_error.result b/mysql-test/r/partition_error.result
index b692203823d..6ebf033adb7 100644
--- a/mysql-test/r/partition_error.result
+++ b/mysql-test/r/partition_error.result
@@ -1,4 +1,46 @@
 drop table if exists t1;
+#
+# Bug#50392: insert_id is not reset for partitioned tables
+#            auto_increment on duplicate entry
+CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY);
+SET INSERT_ID= 13;
+INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID= 12;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+ERROR 23000: Duplicate entry '13' for key 'PRIMARY'
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY (`a`)
+) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=latin1
+INSERT INTO t1 VALUES (NULL);
+SELECT * FROM t1;
+a
+12
+13
+14
+DROP TABLE t1;
+CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY) PARTITION BY KEY(a);
+SET INSERT_ID= 13;
+INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID= 12;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+ERROR 23000: Duplicate entry '13' for key 'PRIMARY'
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY (`a`)
+) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=latin1
+/*!50100 PARTITION BY KEY (a) */
+INSERT INTO t1 VALUES (NULL);
+SELECT * FROM t1;
+a
+12
+13
+14
+DROP TABLE t1;
 CREATE TABLE t1 (a INTEGER NOT NULL, PRIMARY KEY (a));
 INSERT INTO t1 VALUES (1),(1);
 ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
diff --git a/mysql-test/r/partition_example.result b/mysql-test/r/partition_example.result
new file mode 100644
index 00000000000..2129eea0818
--- /dev/null
+++ b/mysql-test/r/partition_example.result
@@ -0,0 +1,31 @@
+install plugin example soname 'ha_example.so';
+create table t1 (a int not null)
+engine=example
+partition by list (a)
+(partition p0 values in (1), partition p1 values in (2));
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1
+/*!50100 PARTITION BY LIST (a)
+(PARTITION p0 VALUES IN (1) ENGINE = EXAMPLE,
+ PARTITION p1 VALUES IN (2) ENGINE = EXAMPLE) */
+drop table t1;
+create table t1 (a int not null)
+engine=example ull=12340
+partition by list (a)
+(partition p0 values in (1), partition p1 values in (2));
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ull`=12340
+/*!50100 PARTITION BY LIST (a)
+(PARTITION p0 VALUES IN (1) ENGINE = EXAMPLE,
+ PARTITION p1 VALUES IN (2) ENGINE = EXAMPLE) */
+drop table t1;
+select 1;
+1
+1
+uninstall plugin example;
diff --git a/mysql-test/r/partition_innodb.result b/mysql-test/r/partition_innodb.result
index f2f6ef138ff..2a04aafe554 100644
--- a/mysql-test/r/partition_innodb.result
+++ b/mysql-test/r/partition_innodb.result
@@ -1,4 +1,73 @@
-drop table if exists t1;
+drop table if exists t1, t2;
+#
+# Bug#51830: Incorrect partition pruning on range partition (regression)
+#
+CREATE TABLE t1 (a INT NOT NULL)
+ENGINE = InnoDB
+PARTITION BY RANGE(a)
+(PARTITION p10 VALUES LESS THAN (10),
+PARTITION p30 VALUES LESS THAN (30),
+PARTITION p50 VALUES LESS THAN (50),
+PARTITION p70 VALUES LESS THAN (70),
+PARTITION p90 VALUES LESS THAN (90));
+INSERT INTO t1 VALUES (10),(30),(50);
+INSERT INTO t1 VALUES (70);
+INSERT INTO t1 VALUES (80);
+INSERT INTO t1 VALUES (89);
+INSERT INTO t1 VALUES (90);
+ERROR HY000: Table has no partition for value 90
+INSERT INTO t1 VALUES (100);
+ERROR HY000: Table has no partition for value 100
+insert INTO t1 VALUES (110);
+ERROR HY000: Table has no partition for value 110
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	5	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	5	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	5	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p90	ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p90	ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 100;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 100;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 100;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+DROP TABLE t1;
+#
+# Bug#50104: Partitioned table with just 1 partion works with fk
+#
+CREATE TABLE t2 (
+id INT,
+PRIMARY KEY (id)
+) ENGINE=InnoDB ;
+CREATE TABLE t1 (
+id INT NOT NULL AUTO_INCREMENT,
+parent_id INT DEFAULT NULL,
+PRIMARY KEY (id),
+KEY parent_id (parent_id)
+) ENGINE=InnoDB;
+ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 1;
+ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
+ERROR HY000: Foreign key clause is not yet supported in conjunction with partitioning
+ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 2;
+ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
+ERROR HY000: Foreign key clause is not yet supported in conjunction with partitioning
+DROP TABLE t1, t2;
 create table t1 (a int not null,
 b datetime not null,
 primary key (a,b))
diff --git a/mysql-test/r/partition_pruning.result b/mysql-test/r/partition_pruning.result
index 6c8de3cc04d..6e36bfa4d73 100644
--- a/mysql-test/r/partition_pruning.result
+++ b/mysql-test/r/partition_pruning.result
@@ -270,7 +270,7 @@ a
 8
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 7;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	max	range	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	max	index	PRIMARY	PRIMARY	4	NULL	10	Using where; Using index
 SELECT * FROM t1 WHERE a > 1;
 a
 2
@@ -327,13 +327,13 @@ a
 8
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 6;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	max	range	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	max	index	PRIMARY	PRIMARY	4	NULL	10	Using where; Using index
 SELECT * FROM t1 WHERE a > 7;
 a
 8
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 7;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	max	range	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	max	index	PRIMARY	PRIMARY	4	NULL	10	Using where; Using index
 DROP TABLE t1;
 CREATE TABLE t1 (a INT PRIMARY KEY)
 PARTITION BY RANGE (a) (
@@ -556,7 +556,7 @@ a
 7
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 6;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	max	range	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	max	index	PRIMARY	PRIMARY	4	NULL	9	Using where; Using index
 SELECT * FROM t1 WHERE a > 1;
 a
 2
@@ -601,13 +601,13 @@ a
 7
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 5;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	max	range	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	max	index	PRIMARY	PRIMARY	4	NULL	9	Using where; Using index
 SELECT * FROM t1 WHERE a > 6;
 a
 7
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 6;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	max	range	PRIMARY	PRIMARY	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	max	index	PRIMARY	PRIMARY	4	NULL	9	Using where; Using index
 DROP TABLE t1;
 # test of RANGE and index
 CREATE TABLE t1 (a DATE, KEY(a))
@@ -757,10 +757,10 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	pNULL,p0001-01-01,p1001-01-01,p2001-01-01	range	a	a	4	NULL	5	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	pNULL,p2001-01-01	range	a	a	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	pNULL,p2001-01-01	index	a	a	4	NULL	7	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	pNULL,p2001-01-01	range	a	a	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	pNULL,p2001-01-01	index	a	a	4	NULL	7	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	pNULL	ref	a	a	4	const	1	Using where; Using index
@@ -1086,10 +1086,10 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p0001-01-01,pNULL,p0000-01-02,p1001-01-01	range	a	a	4	NULL	5	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p2001-01-01,pNULL	range	a	a	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	p2001-01-01,pNULL	index	a	a	4	NULL	7	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	p2001-01-01,pNULL	range	a	a	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	p2001-01-01,pNULL	index	a	a	4	NULL	7	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	pNULL	ref	a	a	4	const	1	Using where; Using index
@@ -1101,7 +1101,7 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p0001-01-01,pNULL,p0000-01-02,p1001-01-01	range	a	a	4	NULL	4	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	pNULL,p1001-01-01	range	a	a	4	NULL	2	Using where; Using index
+1	SIMPLE	t1	pNULL,p1001-01-01	index	a	a	4	NULL	7	Using where; Using index
 EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01';
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	p0001-01-01,pNULL,p1001-01-01	range	a	a	4	NULL	3	Using where; Using index
@@ -2101,6 +2101,21 @@ insert into t7 values (10),(30),(50);
 explain partitions select * from t7 where a < 5;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a < 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a <= 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a = 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a >= 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a > 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
 explain partitions select * from t7 where a < 10;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
@@ -2110,9 +2125,33 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 explain partitions select * from t7 where a = 10;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t7	p30	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t7 where a >= 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a > 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a < 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a <= 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a = 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a > 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a >= 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 explain partitions select * from t7 where a < 90;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a <= 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
 explain partitions select * from t7 where a = 90;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
@@ -2122,6 +2161,9 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 explain partitions select * from t7 where a >= 90;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a > 91;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 explain partitions select * from t7 where a > 11 and a < 29;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
@@ -2137,6 +2179,21 @@ insert into t7 values (10),(30),(50);
 explain partitions select * from t7 where a < 5;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a < 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a <= 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a = 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a >= 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a > 9;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
 explain partitions select * from t7 where a < 10;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
@@ -2146,9 +2203,33 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 explain partitions select * from t7 where a = 10;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t7	p30	system	NULL	NULL	NULL	NULL	1	
+explain partitions select * from t7 where a >= 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a > 10;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a < 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a <= 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a = 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a > 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a >= 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 explain partitions select * from t7 where a < 90;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
+explain partitions select * from t7 where a <= 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t7	p10,p30,p50,p70,p90	ALL	NULL	NULL	NULL	NULL	3	Using where
 explain partitions select * from t7 where a = 90;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
@@ -2158,6 +2239,9 @@ id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 explain partitions select * from t7 where a >= 90;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+explain partitions select * from t7 where a > 91;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 explain partitions select * from t7 where a > 11 and a < 29;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
diff --git a/mysql-test/r/partition_range.result b/mysql-test/r/partition_range.result
index 02d2f6359c5..731f2478cc9 100644
--- a/mysql-test/r/partition_range.result
+++ b/mysql-test/r/partition_range.result
@@ -1,4 +1,18 @@
 drop table if exists t1, t2;
+#
+# Bug#48229: group by performance issue of partitioned table
+#
+CREATE TABLE t1 (
+a INT,
+b INT,
+KEY a (a,b)
+)
+PARTITION BY HASH (a) PARTITIONS 1;
+INSERT INTO t1 VALUES (0, 580092), (3, 894076), (4, 805483), (4, 913540), (6, 611137), (8, 171602), (9, 599495), (9, 746305), (10, 272829), (10, 847519), (12, 258869), (12, 929028), (13, 288970), (15, 20971), (15, 105839), (16, 788272), (17, 76914), (18, 827274), (19, 802258), (20, 123677), (20, 587729), (22, 701449), (25, 31565), (25, 230782), (25, 442887), (25, 733139), (25, 851020);
+EXPLAIN SELECT a, MAX(b) FROM t1 WHERE a IN (10, 100, 3) GROUP BY a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	a	a	5	NULL	4	Using where; Using index
+DROP TABLE t1;
 create table t1 (a int)
 partition by range (a)
 ( partition p0 values less than (maxvalue));
diff --git a/mysql-test/r/plugin.result b/mysql-test/r/plugin.result
index 85fbd1353cc..8d765945329 100644
--- a/mysql-test/r/plugin.result
+++ b/mysql-test/r/plugin.result
@@ -62,4 +62,64 @@ select @@global.example_ulong_var;
 set session sql_mode=@old_sql_mode;
 set session old=bla;
 ERROR HY000: Variable 'old' is a read only variable
+#legal values
+CREATE TABLE t1 ( a int complex='c,f,f,f' ) ENGINE=example ULL=10000 STR='dskj' one_or_two='one' YESNO=0;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `complex`='c,f,f,f'
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ULL`=10000 `STR`='dskj' `one_or_two`='one' `YESNO`=0
+drop table t1;
+SET @OLD_SQL_MODE=@@SQL_MODE;
+SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS';
+#illegal value fixed
+CREATE TABLE t1 (a int) ENGINE=example ULL=10000000000000000000 one_or_two='ttt' YESNO=SSS;
+Warnings:
+Warning	1651	Incorrect value '10000000000000000000' for option 'ULL'
+Warning	1651	Incorrect value 'ttt' for option 'one_or_two'
+Warning	1651	Incorrect value 'SSS' for option 'YESNO'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ULL`=10000000000000000000 `one_or_two`='ttt' `YESNO`=SSS
+#alter table
+alter table t1 ULL=10000000;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `one_or_two`='ttt' `YESNO`=SSS `ULL`=10000000
+alter table t1 change a a int complex='c,c,c';
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `complex`='c,c,c'
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `one_or_two`='ttt' `YESNO`=SSS `ULL`=10000000
+drop table t1;
+#illegal value error
+SET SQL_MODE='';
+CREATE TABLE t1 (a int) ENGINE=example ULL=10000000000000000000 one_or_two='ttt' YESNO=SSS;
+ERROR HY000: Incorrect value '10000000000000000000' for option 'ULL'
+CREATE TABLE t1 (a int) ENGINE=example ULL=10.00;
+ERROR 42000: Only integers allowed as number here near '10.00' at line 1
+CREATE TABLE t1 (a int) ENGINE=example ULL=1e2;
+ERROR 42000: Only integers allowed as number here near '1e2' at line 1
+CREATE TABLE t1 (a int) ENGINE=example ULL=0x1234;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1 `ULL`=4660
+ALTER TABLE t1 ULL=DEFAULT;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=EXAMPLE DEFAULT CHARSET=latin1
+DROP TABLE t1;
+SET @@SQL_MODE=@OLD_SQL_MODE;
+select 1;
+1
+1
 UNINSTALL PLUGIN example;
diff --git a/mysql-test/r/plugin_not_embedded.result b/mysql-test/r/plugin_not_embedded.result
new file mode 100644
index 00000000000..82cfe7b23b8
--- /dev/null
+++ b/mysql-test/r/plugin_not_embedded.result
@@ -0,0 +1,10 @@
+#
+# Bug#51770: UNINSTALL PLUGIN requires no privileges
+#
+GRANT INSERT ON mysql.plugin TO bug51770@localhost;
+INSTALL PLUGIN example SONAME 'ha_example.so';
+UNINSTALL PLUGIN example;
+ERROR 42000: DELETE command denied to user 'bug51770'@'localhost' for table 'plugin'
+GRANT DELETE ON mysql.plugin TO bug51770@localhost;
+UNINSTALL PLUGIN example;
+DROP USER bug51770@localhost;
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index 2971bf047be..7509e3cff8a 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -157,24 +157,24 @@ execute stmt1 ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 6	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
-5	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	const row not found
-4	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+5	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+4	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 3	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 execute stmt1 ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 6	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
-5	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	const row not found
-4	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+5	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+4	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 3	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 explain SELECT (SELECT SUM(c1 + c12 + 0.0) FROM t2 where (t1.c2 - 0e-3) = t2.c2 GROUP BY t1.c15 LIMIT 1) as scalar_s, exists (select 1.0e+0 from t2 where t2.c3 * 9.0000000000 = t1.c4) as exists_s, c5 * 4 in (select c6 + 0.3e+1 from t2) as in_s, (c7 - 4, c8 - 4) in (select c9 + 4.0, c10 + 40e-1 from t2) as in_row_s FROM t1, (select c25 x, c32 y from t2) tt WHERE x * 1 = c25;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 6	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
-5	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	const row not found
-4	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+5	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+4	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 3	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 deallocate prepare stmt1;
@@ -1197,13 +1197,13 @@ SET @aux= "SELECT COUNT(*)
 prepare my_stmt from @aux;
 execute my_stmt;
 COUNT(*)
-39
+41
 execute my_stmt;
 COUNT(*)
-39
+41
 execute my_stmt;
 COUNT(*)
-39
+41
 deallocate prepare my_stmt;
 drop procedure if exists p1|
 drop table if exists t1|
@@ -1789,7 +1789,7 @@ prepare stmt from "create view v1 (c,d,e,f) as select a,b,a in (select a+2 from
 execute stmt;
 show create view v1;
 View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `c`,`t1`.`b` AS `d`,`t1`.`a` in (select (`t1`.`a` + 2) AS `a+2` from `t1`) AS `e`,`t1`.`a` = all (select `t1`.`a` AS `a` from `t1`) AS `f` from `t1`	latin1	latin1_swedish_ci
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `c`,`t1`.`b` AS `d`,`t1`.`a` in (select (`t1`.`a` + 2) from `t1`) AS `e`,`t1`.`a` = all (select `t1`.`a` from `t1`) AS `f` from `t1`	latin1	latin1_swedish_ci
 select * from v1;
 c	d	e	f
 drop view v1;
@@ -1797,7 +1797,7 @@ execute stmt;
 deallocate prepare stmt;
 show create view v1;
 View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `c`,`t1`.`b` AS `d`,`t1`.`a` in (select (`t1`.`a` + 2) AS `a+2` from `t1`) AS `e`,`t1`.`a` = all (select `t1`.`a` AS `a` from `t1`) AS `f` from `t1`	latin1	latin1_swedish_ci
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `c`,`t1`.`b` AS `d`,`t1`.`a` in (select (`t1`.`a` + 2) from `t1`) AS `e`,`t1`.`a` = all (select `t1`.`a` from `t1`) AS `f` from `t1`	latin1	latin1_swedish_ci
 select * from v1;
 c	d	e	f
 drop view v1;
@@ -2991,4 +2991,17 @@ select @plaintext;
 bcd
 deallocate prepare encode;
 deallocate prepare decode;
+#
+# Bug#52124 memory leaks like a sieve in datetime, timestamp, time, date fields + warnings
+#
+CREATE TABLE t1 (a DATETIME NOT NULL, b TINYINT);
+INSERT INTO t1 VALUES (0, 0),(0, 0);
+PREPARE stmt FROM "SELECT 1 FROM t1 WHERE
+ROW(a, b) >= ROW('1', (SELECT 1 FROM t1 WHERE a > 1234))";
+EXECUTE stmt;
+1
+EXECUTE stmt;
+1
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;
 End of 5.1 tests.
diff --git a/mysql-test/r/query_cache_with_views.result b/mysql-test/r/query_cache_with_views.result
index 03430bd504b..7f0417a60c7 100644
--- a/mysql-test/r/query_cache_with_views.result
+++ b/mysql-test/r/query_cache_with_views.result
@@ -193,4 +193,17 @@ show status like "Qcache_hits";
 Variable_name	Value
 Qcache_hits	2
 drop table t1;
+#
+# Bug46615 Assertion in Query_cache::invalidate in INSERT in a VIEW of a MERGE table
+#
+CREATE TABLE t1 (c1 INT, c2 INT);
+CREATE TABLE t2 LIKE t1;
+SET AUTOCOMMIT=OFF;
+CREATE VIEW t1_view AS SELECT c1 FROM t1 NATURAL JOIN t2 ;
+INSERT INTO t1_view (c1, c2) SELECT c1, c2 FROM t1;
+ERROR 42S22: Unknown column 'c2' in 'field list'
+DROP TABLE t1;
+DROP TABLE t2;
+DROP VIEW t1_view;
+SET AUTOCOMMIT=DEFAULT;
 set GLOBAL query_cache_size=default;
diff --git a/mysql-test/r/row.result b/mysql-test/r/row.result
index 2eaec67c547..2962123fcb2 100644
--- a/mysql-test/r/row.result
+++ b/mysql-test/r/row.result
@@ -457,3 +457,12 @@ abc	1	abc	1
 select host,user from mysql.user where (host,user) = ('localhost','test');
 host	user
 drop table t1,t2;
+#
+# Bug#52124 memory leaks like a sieve in datetime, timestamp, time, date fields + warnings
+#
+CREATE TABLE t1 (a DATETIME NOT NULL, b TINYINT);
+INSERT INTO t1 VALUES (0, 0),(0, 0);
+SELECT 1 FROM t1 WHERE ROW(a, b) >=
+ROW('1', (SELECT 1 FROM t1 WHERE a > 1234));
+1
+DROP TABLE t1;
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result
index c31a85b0345..5e9a336ca9e 100644
--- a/mysql-test/r/select.result
+++ b/mysql-test/r/select.result
@@ -4049,10 +4049,10 @@ join_0.c1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
-Note	1003	select '0' AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by '0','0','0','0','0'
+Note	1003	select NULL AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by NULL,NULL,NULL,NULL,NULL
 SHOW WARNINGS;
 Level	Code	Message
-Note	1003	select '0' AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by '0','0','0','0','0'
+Note	1003	select NULL AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by NULL,NULL,NULL,NULL,NULL
 DROP TABLE t1;
 SELECT 1 AS ` `;
 
@@ -4647,17 +4647,17 @@ EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
 EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
 EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
 DROP TABLE t1;
 #
 # Bug#45266: Uninitialized variable lead to an empty result.
diff --git a/mysql-test/r/select_jcl6.result b/mysql-test/r/select_jcl6.result
index 32019560658..ff09e79a511 100644
--- a/mysql-test/r/select_jcl6.result
+++ b/mysql-test/r/select_jcl6.result
@@ -4053,10 +4053,10 @@ join_0.c1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
-Note	1003	select '0' AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by '0','0','0','0','0'
+Note	1003	select NULL AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by NULL,NULL,NULL,NULL,NULL
 SHOW WARNINGS;
 Level	Code	Message
-Note	1003	select '0' AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by '0','0','0','0','0'
+Note	1003	select NULL AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by NULL,NULL,NULL,NULL,NULL
 DROP TABLE t1;
 SELECT 1 AS ` `;
 
@@ -4651,17 +4651,17 @@ EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
 EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
 EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
 DROP TABLE t1;
 #
 # Bug#45266: Uninitialized variable lead to an empty result.
diff --git a/mysql-test/r/select_pkeycache.result b/mysql-test/r/select_pkeycache.result
new file mode 100644
index 00000000000..5e9a336ca9e
--- /dev/null
+++ b/mysql-test/r/select_pkeycache.result
@@ -0,0 +1,4784 @@
+drop table if exists t1,t2,t3,t4,t11;
+drop table if exists t1_1,t1_2,t9_1,t9_2,t1aa,t2aa;
+drop view if exists v1;
+CREATE TABLE t1 (
+Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
+Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL
+);
+INSERT INTO t1 VALUES (9410,9412);
+select period from t1;
+period
+9410
+select * from t1;
+Period	Varor_period
+9410	9412
+select t1.* from t1;
+Period	Varor_period
+9410	9412
+CREATE TABLE t2 (
+auto int not null auto_increment,
+fld1 int(6) unsigned zerofill DEFAULT '000000' NOT NULL,
+companynr tinyint(2) unsigned zerofill DEFAULT '00' NOT NULL,
+fld3 char(30) DEFAULT '' NOT NULL,
+fld4 char(35) DEFAULT '' NOT NULL,
+fld5 char(35) DEFAULT '' NOT NULL,
+fld6 char(4) DEFAULT '' NOT NULL,
+UNIQUE fld1 (fld1),
+KEY fld3 (fld3),
+PRIMARY KEY (auto)
+);
+select t2.fld3 from t2 where companynr = 58 and fld3 like "%imaginable%";
+fld3
+imaginable
+select fld3 from t2 where fld3 like "%cultivation" ;
+fld3
+cultivation
+select t2.fld3,companynr from t2 where companynr = 57+1 order by fld3;
+fld3	companynr
+concoct	58
+druggists	58
+engrossing	58
+Eurydice	58
+exclaimers	58
+ferociousness	58
+hopelessness	58
+Huey	58
+imaginable	58
+judges	58
+merging	58
+ostrich	58
+peering	58
+Phelps	58
+presumes	58
+Ruth	58
+sentences	58
+Shylock	58
+straggled	58
+synergy	58
+thanking	58
+tying	58
+unlocks	58
+select fld3,companynr from t2 where companynr = 58 order by fld3;
+fld3	companynr
+concoct	58
+druggists	58
+engrossing	58
+Eurydice	58
+exclaimers	58
+ferociousness	58
+hopelessness	58
+Huey	58
+imaginable	58
+judges	58
+merging	58
+ostrich	58
+peering	58
+Phelps	58
+presumes	58
+Ruth	58
+sentences	58
+Shylock	58
+straggled	58
+synergy	58
+thanking	58
+tying	58
+unlocks	58
+select fld3 from t2 order by fld3 desc limit 10;
+fld3
+youthfulness
+yelped
+Wotan
+workers
+Witt
+witchcraft
+Winsett
+Willy
+willed
+wildcats
+select fld3 from t2 order by fld3 desc limit 5;
+fld3
+youthfulness
+yelped
+Wotan
+workers
+Witt
+select fld3 from t2 order by fld3 desc limit 5,5;
+fld3
+witchcraft
+Winsett
+Willy
+willed
+wildcats
+select t2.fld3 from t2 where fld3 = 'honeysuckle';
+fld3
+honeysuckle
+select t2.fld3 from t2 where fld3 LIKE 'honeysuckl_';
+fld3
+honeysuckle
+select t2.fld3 from t2 where fld3 LIKE 'hon_ysuckl_';
+fld3
+honeysuckle
+select t2.fld3 from t2 where fld3 LIKE 'honeysuckle%';
+fld3
+honeysuckle
+select t2.fld3 from t2 where fld3 LIKE 'h%le';
+fld3
+honeysuckle
+select t2.fld3 from t2 where fld3 LIKE 'honeysuckle_';
+fld3
+select t2.fld3 from t2 where fld3 LIKE 'don_t_find_me_please%';
+fld3
+explain select t2.fld3 from t2 where fld3 = 'honeysuckle';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
+explain select fld3 from t2 ignore index (fld3) where fld3 = 'honeysuckle';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select fld3 from t2 use index (fld1) where fld3 = 'honeysuckle';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select fld3 from t2 use index (fld3) where fld3 = 'honeysuckle';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
+explain select fld3 from t2 use index (fld1,fld3) where fld3 = 'honeysuckle';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
+explain select fld3 from t2 ignore index (fld3,not_used);
+ERROR 42000: Key 'not_used' doesn't exist in table 't2'
+explain select fld3 from t2 use index (not_used);
+ERROR 42000: Key 'not_used' doesn't exist in table 't2'
+select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
+fld3
+honeysuckle
+honoring
+explain select t2.fld3 from t2 where fld3 >= 'honeysuckle' and fld3 <= 'honoring' order by fld3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	fld3	fld3	30	NULL	2	Using where; Using index
+select fld1,fld3 from t2 where fld3="Colombo" or fld3 = "nondecreasing" order by fld3;
+fld1	fld3
+148504	Colombo
+068305	Colombo
+000000	nondecreasing
+select fld1,fld3 from t2 where companynr = 37 and fld3 = 'appendixes';
+fld1	fld3
+232605	appendixes
+1232605	appendixes
+1232606	appendixes
+1232607	appendixes
+1232608	appendixes
+1232609	appendixes
+select fld1 from t2 where fld1=250501 or fld1="250502";
+fld1
+250501
+250502
+explain select fld1 from t2 where fld1=250501 or fld1="250502";
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	fld1	fld1	4	NULL	2	Using where; Using index
+select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 and fld1 <= 250601 or fld1 between 250501 and 250502;
+fld1
+250501
+250502
+250505
+250601
+explain select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 and fld1 <= 250601 or fld1 between 250501 and 250502;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	fld1	fld1	4	NULL	4	Using where; Using index
+select fld1,fld3 from t2 where companynr = 37 and fld3 like 'f%';
+fld1	fld3
+012001	flanking
+013602	foldout
+013606	fingerings
+018007	fanatic
+018017	featherweight
+018054	fetters
+018103	flint
+018104	flopping
+036002	funereal
+038017	fetched
+038205	firearm
+058004	Fenton
+088303	feminine
+186002	freakish
+188007	flurried
+188505	fitting
+198006	furthermore
+202301	Fitzpatrick
+208101	fiftieth
+208113	freest
+218008	finishers
+218022	feed
+218401	faithful
+226205	foothill
+226209	furnishings
+228306	forthcoming
+228311	fated
+231315	freezes
+232102	forgivably
+238007	filial
+238008	fixedly
+select fld3 from t2 where fld3 like "L%" and fld3 = "ok";
+fld3
+select fld3 from t2 where (fld3 like "C%" and fld3 = "Chantilly");
+fld3
+Chantilly
+select fld1,fld3 from t2 where fld1 like "25050%";
+fld1	fld3
+250501	poisoning
+250502	Iraqis
+250503	heaving
+250504	population
+250505	bomb
+select fld1,fld3 from t2 where fld1 like "25050_";
+fld1	fld3
+250501	poisoning
+250502	Iraqis
+250503	heaving
+250504	population
+250505	bomb
+select distinct companynr from t2;
+companynr
+00
+37
+36
+50
+58
+29
+40
+53
+65
+41
+34
+68
+select distinct companynr from t2 order by companynr;
+companynr
+00
+29
+34
+36
+37
+40
+41
+50
+53
+58
+65
+68
+select distinct companynr from t2 order by companynr desc;
+companynr
+68
+65
+58
+53
+50
+41
+40
+37
+36
+34
+29
+00
+select distinct t2.fld3,period from t2,t1 where companynr=37 and fld3 like "O%";
+fld3	period
+obliterates	9410
+offload	9410
+opaquely	9410
+organizer	9410
+overestimating	9410
+overlay	9410
+select distinct fld3 from t2 where companynr = 34 order by fld3;
+fld3
+absentee
+accessed
+ahead
+alphabetic
+Asiaticizations
+attitude
+aye
+bankruptcies
+belays
+Blythe
+bomb
+boulevard
+bulldozes
+cannot
+caressing
+charcoal
+checksumming
+chess
+clubroom
+colorful
+cosy
+creator
+crying
+Darius
+diffusing
+duality
+Eiffel
+Epiphany
+Ernestine
+explorers
+exterminated
+famine
+forked
+Gershwins
+heaving
+Hodges
+Iraqis
+Italianization
+Lagos
+landslide
+libretto
+Majorca
+mastering
+narrowed
+occurred
+offerers
+Palestine
+Peruvianizes
+pharmaceutic
+poisoning
+population
+Pygmalion
+rats
+realest
+recording
+regimented
+retransmitting
+reviver
+rouses
+scars
+sicker
+sleepwalk
+stopped
+sugars
+translatable
+uncles
+unexpected
+uprisings
+versatility
+vest
+select distinct fld3 from t2 limit 10;
+fld3
+abates
+abiding
+Abraham
+abrogating
+absentee
+abut
+accessed
+accruing
+accumulating
+accuracies
+select distinct fld3 from t2 having fld3 like "A%" limit 10;
+fld3
+abates
+abiding
+Abraham
+abrogating
+absentee
+abut
+accessed
+accruing
+accumulating
+accuracies
+select distinct substring(fld3,1,3) from t2 where fld3 like "A%";
+substring(fld3,1,3)
+aba
+abi
+Abr
+abs
+abu
+acc
+acq
+acu
+Ade
+adj
+Adl
+adm
+Ado
+ads
+adv
+aer
+aff
+afi
+afl
+afo
+agi
+ahe
+aim
+air
+Ald
+alg
+ali
+all
+alp
+alr
+ama
+ame
+amm
+ana
+and
+ane
+Ang
+ani
+Ann
+Ant
+api
+app
+aqu
+Ara
+arc
+Arm
+arr
+Art
+Asi
+ask
+asp
+ass
+ast
+att
+aud
+Aug
+aut
+ave
+avo
+awe
+aye
+Azt
+select distinct substring(fld3,1,3) as a from t2 having a like "A%" order by a limit 10;
+a
+aba
+abi
+Abr
+abs
+abu
+acc
+acq
+acu
+Ade
+adj
+select distinct substring(fld3,1,3) from t2 where fld3 like "A%" limit 10;
+substring(fld3,1,3)
+aba
+abi
+Abr
+abs
+abu
+acc
+acq
+acu
+Ade
+adj
+select distinct substring(fld3,1,3) as a from t2 having a like "A%" limit 10;
+a
+aba
+abi
+Abr
+abs
+abu
+acc
+acq
+acu
+Ade
+adj
+create table t3 (
+period    int not null,
+name      char(32) not null,
+companynr int not null,
+price     double(11,0),
+price2     double(11,0),
+key (period),
+key (name)
+);
+create temporary table tmp engine = myisam select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+insert into tmp select * from t3;
+insert into t3 select * from tmp;
+alter table t3 add t2nr int not null auto_increment primary key first;
+drop table tmp;
+SET SQL_BIG_TABLES=1;
+select distinct concat(fld3," ",fld3) as namn from t2,t3 where t2.fld1=t3.t2nr order by namn limit 10;
+namn
+Abraham Abraham
+abrogating abrogating
+admonishing admonishing
+Adolph Adolph
+afield afield
+aging aging
+ammonium ammonium
+analyzable analyzable
+animals animals
+animized animized
+SET SQL_BIG_TABLES=0;
+select distinct concat(fld3," ",fld3) from t2,t3 where t2.fld1=t3.t2nr order by fld3 limit 10;
+concat(fld3," ",fld3)
+Abraham Abraham
+abrogating abrogating
+admonishing admonishing
+Adolph Adolph
+afield afield
+aging aging
+ammonium ammonium
+analyzable analyzable
+animals animals
+animized animized
+select distinct fld5 from t2 limit 10;
+fld5
+neat
+Steinberg
+jarring
+tinily
+balled
+persist
+attainments
+fanatic
+measures
+rightfulness
+select distinct fld3,count(*) from t2 group by companynr,fld3 limit 10;
+fld3	count(*)
+affixed	1
+and	1
+annoyers	1
+Anthony	1
+assayed	1
+assurers	1
+attendants	1
+bedlam	1
+bedpost	1
+boasted	1
+SET SQL_BIG_TABLES=1;
+select distinct fld3,count(*) from t2 group by companynr,fld3 limit 10;
+fld3	count(*)
+affixed	1
+and	1
+annoyers	1
+Anthony	1
+assayed	1
+assurers	1
+attendants	1
+bedlam	1
+bedpost	1
+boasted	1
+SET SQL_BIG_TABLES=0;
+select distinct fld3,repeat("a",length(fld3)),count(*) from t2 group by companynr,fld3 limit 100,10;
+fld3	repeat("a",length(fld3))	count(*)
+circus	aaaaaa	1
+cited	aaaaa	1
+Colombo	aaaaaaa	1
+congresswoman	aaaaaaaaaaaaa	1
+contrition	aaaaaaaaaa	1
+corny	aaaaa	1
+cultivation	aaaaaaaaaaa	1
+definiteness	aaaaaaaaaaaa	1
+demultiplex	aaaaaaaaaaa	1
+disappointing	aaaaaaaaaaaaa	1
+select distinct companynr,rtrim(space(512+companynr)) from t3 order by 1,2;
+companynr	rtrim(space(512+companynr))
+37	
+78	
+101	
+154	
+311	
+447	
+512	
+select distinct fld3 from t2,t3 where t2.companynr = 34 and t2.fld1=t3.t2nr order by fld3;
+fld3
+explain select t3.t2nr,fld3 from t2,t3 where t2.companynr = 34 and t2.fld1=t3.t2nr order by t3.t2nr,fld3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	fld1	NULL	NULL	NULL	1199	Using where; Using temporary; Using filesort
+1	SIMPLE	t3	eq_ref	PRIMARY	PRIMARY	4	test.t2.fld1	1	Using where; Using index
+explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	period	NULL	NULL	NULL	41810	Using temporary; Using filesort
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
+explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t3	index	period	period	4	NULL	1	
+1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
+select period from t1;
+period
+9410
+select period from t1 where period=1900;
+period
+select fld3,period from t1,t2 where fld1 = 011401 order by period;
+fld3	period
+breaking	9410
+select fld3,period from t2,t3 where t2.fld1 = 011401 and t2.fld1=t3.t2nr and t3.period=1001;
+fld3	period
+breaking	1001
+explain select fld3,period from t2,t3 where t2.fld1 = 011401 and t3.t2nr=t2.fld1 and 1001 = t3.period;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	const	fld1	fld1	4	const	1	
+1	SIMPLE	t3	const	PRIMARY,period	PRIMARY	4	const	1	
+select fld3,period from t2,t1 where companynr*10 = 37*10;
+fld3	period
+breaking	9410
+Romans	9410
+intercepted	9410
+bewilderingly	9410
+astound	9410
+admonishing	9410
+sumac	9410
+flanking	9410
+combed	9410
+subjective	9410
+scatterbrain	9410
+Eulerian	9410
+Kane	9410
+overlay	9410
+perturb	9410
+goblins	9410
+annihilates	9410
+Wotan	9410
+snatching	9410
+concludes	9410
+laterally	9410
+yelped	9410
+grazing	9410
+Baird	9410
+celery	9410
+misunderstander	9410
+handgun	9410
+foldout	9410
+mystic	9410
+succumbed	9410
+Nabisco	9410
+fingerings	9410
+aging	9410
+afield	9410
+ammonium	9410
+boat	9410
+intelligibility	9410
+Augustine	9410
+teethe	9410
+dreaded	9410
+scholastics	9410
+audiology	9410
+wallet	9410
+parters	9410
+eschew	9410
+quitter	9410
+neat	9410
+Steinberg	9410
+jarring	9410
+tinily	9410
+balled	9410
+persist	9410
+attainments	9410
+fanatic	9410
+measures	9410
+rightfulness	9410
+capably	9410
+impulsive	9410
+starlet	9410
+terminators	9410
+untying	9410
+announces	9410
+featherweight	9410
+pessimist	9410
+daughter	9410
+decliner	9410
+lawgiver	9410
+stated	9410
+readable	9410
+attrition	9410
+cascade	9410
+motors	9410
+interrogate	9410
+pests	9410
+stairway	9410
+dopers	9410
+testicle	9410
+Parsifal	9410
+leavings	9410
+postulation	9410
+squeaking	9410
+contrasted	9410
+leftover	9410
+whiteners	9410
+erases	9410
+Punjab	9410
+Merritt	9410
+Quixotism	9410
+sweetish	9410
+dogging	9410
+scornfully	9410
+bellow	9410
+bills	9410
+cupboard	9410
+sureties	9410
+puddings	9410
+fetters	9410
+bivalves	9410
+incurring	9410
+Adolph	9410
+pithed	9410
+Miles	9410
+trimmings	9410
+tragedies	9410
+skulking	9410
+flint	9410
+flopping	9410
+relaxing	9410
+offload	9410
+suites	9410
+lists	9410
+animized	9410
+multilayer	9410
+standardizes	9410
+Judas	9410
+vacuuming	9410
+dentally	9410
+humanness	9410
+inch	9410
+Weissmuller	9410
+irresponsibly	9410
+luckily	9410
+culled	9410
+medical	9410
+bloodbath	9410
+subschema	9410
+animals	9410
+Micronesia	9410
+repetitions	9410
+Antares	9410
+ventilate	9410
+pityingly	9410
+interdependent	9410
+Graves	9410
+neonatal	9410
+chafe	9410
+honoring	9410
+realtor	9410
+elite	9410
+funereal	9410
+abrogating	9410
+sorters	9410
+Conley	9410
+lectured	9410
+Abraham	9410
+Hawaii	9410
+cage	9410
+hushes	9410
+Simla	9410
+reporters	9410
+Dutchman	9410
+descendants	9410
+groupings	9410
+dissociate	9410
+coexist	9410
+Beebe	9410
+Taoism	9410
+Connally	9410
+fetched	9410
+checkpoints	9410
+rusting	9410
+galling	9410
+obliterates	9410
+traitor	9410
+resumes	9410
+analyzable	9410
+terminator	9410
+gritty	9410
+firearm	9410
+minima	9410
+Selfridge	9410
+disable	9410
+witchcraft	9410
+betroth	9410
+Manhattanize	9410
+imprint	9410
+peeked	9410
+swelling	9410
+interrelationships	9410
+riser	9410
+Gandhian	9410
+peacock	9410
+bee	9410
+kanji	9410
+dental	9410
+scarf	9410
+chasm	9410
+insolence	9410
+syndicate	9410
+alike	9410
+imperial	9410
+convulsion	9410
+railway	9410
+validate	9410
+normalizes	9410
+comprehensive	9410
+chewing	9410
+denizen	9410
+schemer	9410
+chronicle	9410
+Kline	9410
+Anatole	9410
+partridges	9410
+brunch	9410
+recruited	9410
+dimensions	9410
+Chicana	9410
+announced	9410
+praised	9410
+employing	9410
+linear	9410
+quagmire	9410
+western	9410
+relishing	9410
+serving	9410
+scheduling	9410
+lore	9410
+eventful	9410
+arteriole	9410
+disentangle	9410
+cured	9410
+Fenton	9410
+avoidable	9410
+drains	9410
+detectably	9410
+husky	9410
+impelling	9410
+undoes	9410
+evened	9410
+squeezes	9410
+destroyer	9410
+rudeness	9410
+beaner	9410
+boorish	9410
+Everhart	9410
+encompass	9410
+mushrooms	9410
+Alison	9410
+externally	9410
+pellagra	9410
+cult	9410
+creek	9410
+Huffman	9410
+Majorca	9410
+governing	9410
+gadfly	9410
+reassigned	9410
+intentness	9410
+craziness	9410
+psychic	9410
+squabbled	9410
+burlesque	9410
+capped	9410
+extracted	9410
+DiMaggio	9410
+exclamation	9410
+subdirectory	9410
+Gothicism	9410
+feminine	9410
+metaphysically	9410
+sanding	9410
+Miltonism	9410
+freakish	9410
+index	9410
+straight	9410
+flurried	9410
+denotative	9410
+coming	9410
+commencements	9410
+gentleman	9410
+gifted	9410
+Shanghais	9410
+sportswriting	9410
+sloping	9410
+navies	9410
+leaflet	9410
+shooter	9410
+Joplin	9410
+babies	9410
+assails	9410
+admiring	9410
+swaying	9410
+Goldstine	9410
+fitting	9410
+Norwalk	9410
+analogy	9410
+deludes	9410
+cokes	9410
+Clayton	9410
+exhausts	9410
+causality	9410
+sating	9410
+icon	9410
+throttles	9410
+communicants	9410
+dehydrate	9410
+priceless	9410
+publicly	9410
+incidentals	9410
+commonplace	9410
+mumbles	9410
+furthermore	9410
+cautioned	9410
+parametrized	9410
+registration	9410
+sadly	9410
+positioning	9410
+babysitting	9410
+eternal	9410
+hoarder	9410
+congregates	9410
+rains	9410
+workers	9410
+sags	9410
+unplug	9410
+garage	9410
+boulder	9410
+specifics	9410
+Teresa	9410
+Winsett	9410
+convenient	9410
+buckboards	9410
+amenities	9410
+resplendent	9410
+sews	9410
+participated	9410
+Simon	9410
+certificates	9410
+Fitzpatrick	9410
+Evanston	9410
+misted	9410
+textures	9410
+save	9410
+count	9410
+rightful	9410
+chaperone	9410
+Lizzy	9410
+clenched	9410
+effortlessly	9410
+accessed	9410
+beaters	9410
+Hornblower	9410
+vests	9410
+indulgences	9410
+infallibly	9410
+unwilling	9410
+excrete	9410
+spools	9410
+crunches	9410
+overestimating	9410
+ineffective	9410
+humiliation	9410
+sophomore	9410
+star	9410
+rifles	9410
+dialysis	9410
+arriving	9410
+indulge	9410
+clockers	9410
+languages	9410
+Antarctica	9410
+percentage	9410
+ceiling	9410
+specification	9410
+regimented	9410
+ciphers	9410
+pictures	9410
+serpents	9410
+allot	9410
+realized	9410
+mayoral	9410
+opaquely	9410
+hostess	9410
+fiftieth	9410
+incorrectly	9410
+decomposition	9410
+stranglings	9410
+mixture	9410
+electroencephalography	9410
+similarities	9410
+charges	9410
+freest	9410
+Greenberg	9410
+tinting	9410
+expelled	9410
+warm	9410
+smoothed	9410
+deductions	9410
+Romano	9410
+bitterroot	9410
+corset	9410
+securing	9410
+environing	9410
+cute	9410
+Crays	9410
+heiress	9410
+inform	9410
+avenge	9410
+universals	9410
+Kinsey	9410
+ravines	9410
+bestseller	9410
+equilibrium	9410
+extents	9410
+relatively	9410
+pressure	9410
+critiques	9410
+befouled	9410
+rightfully	9410
+mechanizing	9410
+Latinizes	9410
+timesharing	9410
+Aden	9410
+embassies	9410
+males	9410
+shapelessly	9410
+mastering	9410
+Newtonian	9410
+finishers	9410
+abates	9410
+teem	9410
+kiting	9410
+stodgy	9410
+feed	9410
+guitars	9410
+airships	9410
+store	9410
+denounces	9410
+Pyle	9410
+Saxony	9410
+serializations	9410
+Peruvian	9410
+taxonomically	9410
+kingdom	9410
+stint	9410
+Sault	9410
+faithful	9410
+Ganymede	9410
+tidiness	9410
+gainful	9410
+contrary	9410
+Tipperary	9410
+tropics	9410
+theorizers	9410
+renew	9410
+already	9410
+terminal	9410
+Hegelian	9410
+hypothesizer	9410
+warningly	9410
+journalizing	9410
+nested	9410
+Lars	9410
+saplings	9410
+foothill	9410
+labeled	9410
+imperiously	9410
+reporters	9410
+furnishings	9410
+precipitable	9410
+discounts	9410
+excises	9410
+Stalin	9410
+despot	9410
+ripeness	9410
+Arabia	9410
+unruly	9410
+mournfulness	9410
+boom	9410
+slaughter	9410
+Sabine	9410
+handy	9410
+rural	9410
+organizer	9410
+shipyard	9410
+civics	9410
+inaccuracy	9410
+rules	9410
+juveniles	9410
+comprised	9410
+investigations	9410
+stabilizes	9410
+seminaries	9410
+Hunter	9410
+sporty	9410
+test	9410
+weasels	9410
+CERN	9410
+tempering	9410
+afore	9410
+Galatean	9410
+techniques	9410
+error	9410
+veranda	9410
+severely	9410
+Cassites	9410
+forthcoming	9410
+guides	9410
+vanish	9410
+lied	9410
+sawtooth	9410
+fated	9410
+gradually	9410
+widens	9410
+preclude	9410
+evenhandedly	9410
+percentage	9410
+disobedience	9410
+humility	9410
+gleaning	9410
+petted	9410
+bloater	9410
+minion	9410
+marginal	9410
+apiary	9410
+measures	9410
+precaution	9410
+repelled	9410
+primary	9410
+coverings	9410
+Artemia	9410
+navigate	9410
+spatial	9410
+Gurkha	9410
+meanwhile	9410
+Melinda	9410
+Butterfield	9410
+Aldrich	9410
+previewing	9410
+glut	9410
+unaffected	9410
+inmate	9410
+mineral	9410
+impending	9410
+meditation	9410
+ideas	9410
+miniaturizes	9410
+lewdly	9410
+title	9410
+youthfulness	9410
+creak	9410
+Chippewa	9410
+clamored	9410
+freezes	9410
+forgivably	9410
+reduce	9410
+McGovern	9410
+Nazis	9410
+epistle	9410
+socializes	9410
+conceptions	9410
+Kevin	9410
+uncovering	9410
+chews	9410
+appendixes	9410
+appendixes	9410
+appendixes	9410
+appendixes	9410
+appendixes	9410
+appendixes	9410
+raining	9410
+infest	9410
+compartment	9410
+minting	9410
+ducks	9410
+roped	9410
+waltz	9410
+Lillian	9410
+repressions	9410
+chillingly	9410
+noncritical	9410
+lithograph	9410
+spongers	9410
+parenthood	9410
+posed	9410
+instruments	9410
+filial	9410
+fixedly	9410
+relives	9410
+Pandora	9410
+watering	9410
+ungrateful	9410
+secures	9410
+poison	9410
+dusted	9410
+encompasses	9410
+presentation	9410
+Kantian	9410
+select fld3,period,price,price2 from t2,t3 where t2.fld1=t3.t2nr and period >= 1001 and period <= 1002 and t2.companynr = 37 order by fld3,period, price;
+fld3	period	price	price2
+admonishing	1002	28357832	8723648
+analyzable	1002	28357832	8723648
+annihilates	1001	5987435	234724
+Antares	1002	28357832	8723648
+astound	1001	5987435	234724
+audiology	1001	5987435	234724
+Augustine	1002	28357832	8723648
+Baird	1002	28357832	8723648
+bewilderingly	1001	5987435	234724
+breaking	1001	5987435	234724
+Conley	1001	5987435	234724
+dentally	1002	28357832	8723648
+dissociate	1002	28357832	8723648
+elite	1001	5987435	234724
+eschew	1001	5987435	234724
+Eulerian	1001	5987435	234724
+flanking	1001	5987435	234724
+foldout	1002	28357832	8723648
+funereal	1002	28357832	8723648
+galling	1002	28357832	8723648
+Graves	1001	5987435	234724
+grazing	1001	5987435	234724
+groupings	1001	5987435	234724
+handgun	1001	5987435	234724
+humility	1002	28357832	8723648
+impulsive	1002	28357832	8723648
+inch	1001	5987435	234724
+intelligibility	1001	5987435	234724
+jarring	1001	5987435	234724
+lawgiver	1001	5987435	234724
+lectured	1002	28357832	8723648
+Merritt	1002	28357832	8723648
+neonatal	1001	5987435	234724
+offload	1002	28357832	8723648
+parters	1002	28357832	8723648
+pityingly	1002	28357832	8723648
+puddings	1002	28357832	8723648
+Punjab	1001	5987435	234724
+quitter	1002	28357832	8723648
+realtor	1001	5987435	234724
+relaxing	1001	5987435	234724
+repetitions	1001	5987435	234724
+resumes	1001	5987435	234724
+Romans	1002	28357832	8723648
+rusting	1001	5987435	234724
+scholastics	1001	5987435	234724
+skulking	1002	28357832	8723648
+stated	1002	28357832	8723648
+suites	1002	28357832	8723648
+sureties	1001	5987435	234724
+testicle	1002	28357832	8723648
+tinily	1002	28357832	8723648
+tragedies	1001	5987435	234724
+trimmings	1001	5987435	234724
+vacuuming	1001	5987435	234724
+ventilate	1001	5987435	234724
+wallet	1001	5987435	234724
+Weissmuller	1002	28357832	8723648
+Wotan	1002	28357832	8723648
+select t2.fld1,fld3,period,price,price2 from t2,t3 where t2.fld1>= 18201 and t2.fld1 <= 18811 and t2.fld1=t3.t2nr and period = 1001 and t2.companynr = 37;
+fld1	fld3	period	price	price2
+018201	relaxing	1001	5987435	234724
+018601	vacuuming	1001	5987435	234724
+018801	inch	1001	5987435	234724
+018811	repetitions	1001	5987435	234724
+create table t4 (
+companynr tinyint(2) unsigned zerofill NOT NULL default '00',
+companyname char(30) NOT NULL default '',
+PRIMARY KEY (companynr),
+UNIQUE KEY companyname(companyname)
+) ENGINE=MyISAM MAX_ROWS=50 PACK_KEYS=1 COMMENT='companynames';
+select STRAIGHT_JOIN t2.companynr,companyname from t4,t2 where t2.companynr=t4.companynr group by t2.companynr;
+companynr	companyname
+00	Unknown
+29	company 1
+34	company 2
+36	company 3
+37	company 4
+40	company 5
+41	company 6
+50	company 11
+53	company 7
+58	company 8
+65	company 9
+68	company 10
+select SQL_SMALL_RESULT t2.companynr,companyname from t4,t2 where t2.companynr=t4.companynr group by t2.companynr;
+companynr	companyname
+00	Unknown
+29	company 1
+34	company 2
+36	company 3
+37	company 4
+40	company 5
+41	company 6
+50	company 11
+53	company 7
+58	company 8
+65	company 9
+68	company 10
+select * from t1,t1 t12;
+Period	Varor_period	Period	Varor_period
+9410	9412	9410	9412
+select t2.fld1,t22.fld1 from t2,t2 t22 where t2.fld1 >= 250501 and t2.fld1 <= 250505 and t22.fld1 >= 250501 and t22.fld1 <= 250505;
+fld1	fld1
+250501	250501
+250502	250501
+250503	250501
+250504	250501
+250505	250501
+250501	250502
+250502	250502
+250503	250502
+250504	250502
+250505	250502
+250501	250503
+250502	250503
+250503	250503
+250504	250503
+250505	250503
+250501	250504
+250502	250504
+250503	250504
+250504	250504
+250505	250504
+250501	250505
+250502	250505
+250503	250505
+250504	250505
+250505	250505
+insert into t2 (fld1, companynr) values (999999,99);
+select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
+companynr	companyname
+99	NULL
+select count(*) from t2 left join t4 using (companynr) where t4.companynr is not null;
+count(*)
+1199
+explain select t2.companynr,companyname from t2 left join t4 using (companynr) where t4.companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1200	
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	Using where; Not exists
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1200	Using where; Not exists
+select companynr,companyname from t2 left join t4 using (companynr) where companynr is null;
+companynr	companyname
+select count(*) from t2 left join t4 using (companynr) where companynr is not null;
+count(*)
+1200
+explain select companynr,companyname from t2 left join t4 using (companynr) where companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
+explain select companynr,companyname from t4 left join t2 using (companynr) where companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
+delete from t2 where fld1=999999;
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 or t2.companynr < 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 and t4.companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+1	SIMPLE	t4	eq_ref	PRIMARY	PRIMARY	1	test.t2.companynr	1	
+explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 and companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 or t2.companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where t2.companynr > 0 or t2.companynr < 0 or t4.companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select t2.companynr,companyname from t4 left join t2 using (companynr) where ifnull(t2.companynr,1)>0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr is null;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select companynr,companyname from t4 left join t2 using (companynr) where companynr > 0 or companynr < 0 or companynr > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	PRIMARY	NULL	NULL	NULL	12	Using where
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+explain select companynr,companyname from t4 left join t2 using (companynr) where ifnull(companynr,1)>0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	ALL	NULL	NULL	NULL	NULL	12	Using where
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
+select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
+companynr	companynr
+37	36
+41	40
+explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t4	index	NULL	PRIMARY	1	NULL	12	Using index; Using temporary
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where; Using join buffer
+select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008;
+fld1	companynr	fld3	period
+038008	37	reporters	1008
+038208	37	Selfridge	1008
+select t2.fld1,t2.companynr,fld3,period from t3,t2 where (t2.fld1 = 38208 or t2.fld1 = 38008) and t2.fld1=t3.t2nr and period>=1008 and period<=1009;
+fld1	companynr	fld3	period
+038008	37	reporters	1008
+038208	37	Selfridge	1008
+select t2.fld1,t2.companynr,fld3,period from t3,t2 where (t3.t2nr = 38208 or t3.t2nr = 38008) and t2.fld1=t3.t2nr and period>=1008 and period<=1009;
+fld1	companynr	fld3	period
+038008	37	reporters	1008
+038208	37	Selfridge	1008
+select period from t1 where (((period > 0) or period < 10000 or (period = 1900)) and (period=1900 and period <= 1901) or (period=1903 and (period=1903)) and period>=1902) or ((period=1904 or period=1905) or (period=1906 or period>1907)) or (period=1908 and period = 1909);
+period
+9410
+select period from t1 where ((period > 0 and period < 1) or (((period > 0 and period < 100) and (period > 10)) or (period > 10)) or (period > 0 and (period > 5 or period > 6)));
+period
+9410
+select a.fld1 from t2 as a,t2 b where ((a.fld1 = 250501 and a.fld1=b.fld1) or a.fld1=250502 or a.fld1=250503 or (a.fld1=250505 and a.fld1<=b.fld1 and b.fld1>=a.fld1)) and a.fld1=b.fld1;
+fld1
+250501
+250502
+250503
+250505
+select fld1 from t2 where fld1 in (250502,98005,98006,250503,250605,250606) and fld1 >=250502 and fld1 not in (250605,250606);
+fld1
+250502
+250503
+select fld1 from t2 where fld1 between 250502 and 250504;
+fld1
+250502
+250503
+250504
+select fld3 from t2 where (((fld3 like "_%L%" ) or (fld3 like "%ok%")) and ( fld3 like "L%" or fld3 like "G%")) and fld3 like "L%" ;
+fld3
+label
+labeled
+labeled
+landslide
+laterally
+leaflet
+lewdly
+Lillian
+luckily
+select count(*) from t1;
+count(*)
+1
+select companynr,count(*),sum(fld1) from t2 group by companynr;
+companynr	count(*)	sum(fld1)
+00	82	10355753
+29	95	14473298
+34	70	17788966
+36	215	22786296
+37	588	83602098
+40	37	6618386
+41	52	12816335
+50	11	1595438
+53	4	793210
+58	23	2254293
+65	10	2284055
+68	12	3097288
+select companynr,count(*) from t2 group by companynr order by companynr desc limit 5;
+companynr	count(*)
+68	12
+65	10
+58	23
+53	4
+50	11
+select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
+count(*)	min(fld4)	max(fld4)	sum(fld1)	avg(fld1)	std(fld1)	variance(fld1)
+70	absentee	vest	17788966	254128.0857	3272.5940	10709871.3069
+explain extended select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	100.00	Using where
+Warnings:
+Note	1003	select count(0) AS `count(*)`,min(`test`.`t2`.`fld4`) AS `min(fld4)`,max(`test`.`t2`.`fld4`) AS `max(fld4)`,sum(`test`.`t2`.`fld1`) AS `sum(fld1)`,avg(`test`.`t2`.`fld1`) AS `avg(fld1)`,std(`test`.`t2`.`fld1`) AS `std(fld1)`,variance(`test`.`t2`.`fld1`) AS `variance(fld1)` from `test`.`t2` where ((`test`.`t2`.`companynr` = 34) and (`test`.`t2`.`fld4` <> ''))
+select companynr,count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 group by companynr limit 3;
+companynr	count(*)	min(fld4)	max(fld4)	sum(fld1)	avg(fld1)	std(fld1)	variance(fld1)
+00	82	Anthony	windmills	10355753	126289.6707	115550.9757	13352027981.7087
+29	95	abut	wetness	14473298	152350.5053	8368.5480	70032594.9026
+34	70	absentee	vest	17788966	254128.0857	3272.5940	10709871.3069
+select companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
+companynr	t2nr	count(price)	sum(price)	min(price)	max(price)	avg(price)
+37	1	1	5987435	5987435	5987435	5987435.0000
+37	2	1	28357832	28357832	28357832	28357832.0000
+37	3	1	39654943	39654943	39654943	39654943.0000
+37	11	1	5987435	5987435	5987435	5987435.0000
+37	12	1	28357832	28357832	28357832	28357832.0000
+37	13	1	39654943	39654943	39654943	39654943.0000
+37	21	1	5987435	5987435	5987435	5987435.0000
+37	22	1	28357832	28357832	28357832	28357832.0000
+37	23	1	39654943	39654943	39654943	39654943.0000
+37	31	1	5987435	5987435	5987435	5987435.0000
+select /*! SQL_SMALL_RESULT */ companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
+companynr	t2nr	count(price)	sum(price)	min(price)	max(price)	avg(price)
+37	1	1	5987435	5987435	5987435	5987435.0000
+37	2	1	28357832	28357832	28357832	28357832.0000
+37	3	1	39654943	39654943	39654943	39654943.0000
+37	11	1	5987435	5987435	5987435	5987435.0000
+37	12	1	28357832	28357832	28357832	28357832.0000
+37	13	1	39654943	39654943	39654943	39654943.0000
+37	21	1	5987435	5987435	5987435	5987435.0000
+37	22	1	28357832	28357832	28357832	28357832.0000
+37	23	1	39654943	39654943	39654943	39654943.0000
+37	31	1	5987435	5987435	5987435	5987435.0000
+select companynr,count(price),sum(price),min(price),max(price),avg(price) from t3 group by companynr ;
+companynr	count(price)	sum(price)	min(price)	max(price)	avg(price)
+37	12543	309394878010	5987435	39654943	24666736.6667
+78	8362	414611089292	726498	98439034	49582766.0000
+101	4181	3489454238	834598	834598	834598.0000
+154	4181	4112197254950	983543950	983543950	983543950.0000
+311	4181	979599938	234298	234298	234298.0000
+447	4181	9929180954	2374834	2374834	2374834.0000
+512	4181	3288532102	786542	786542	786542.0000
+select distinct mod(companynr,10) from t4 group by companynr;
+mod(companynr,10)
+0
+9
+4
+6
+7
+1
+3
+8
+5
+select distinct 1 from t4 group by companynr;
+1
+1
+select count(distinct fld1) from t2;
+count(distinct fld1)
+1199
+select companynr,count(distinct fld1) from t2 group by companynr;
+companynr	count(distinct fld1)
+00	82
+29	95
+34	70
+36	215
+37	588
+40	37
+41	52
+50	11
+53	4
+58	23
+65	10
+68	12
+select companynr,count(*) from t2 group by companynr;
+companynr	count(*)
+00	82
+29	95
+34	70
+36	215
+37	588
+40	37
+41	52
+50	11
+53	4
+58	23
+65	10
+68	12
+select companynr,count(distinct concat(fld1,repeat(65,1000))) from t2 group by companynr;
+companynr	count(distinct concat(fld1,repeat(65,1000)))
+00	82
+29	95
+34	70
+36	215
+37	588
+40	37
+41	52
+50	11
+53	4
+58	23
+65	10
+68	12
+select companynr,count(distinct concat(fld1,repeat(65,200))) from t2 group by companynr;
+companynr	count(distinct concat(fld1,repeat(65,200)))
+00	82
+29	95
+34	70
+36	215
+37	588
+40	37
+41	52
+50	11
+53	4
+58	23
+65	10
+68	12
+select companynr,count(distinct floor(fld1/100)) from t2 group by companynr;
+companynr	count(distinct floor(fld1/100))
+00	47
+29	35
+34	14
+36	69
+37	108
+40	16
+41	11
+50	9
+53	1
+58	1
+65	1
+68	1
+select companynr,count(distinct concat(repeat(65,1000),floor(fld1/100))) from t2 group by companynr;
+companynr	count(distinct concat(repeat(65,1000),floor(fld1/100)))
+00	47
+29	35
+34	14
+36	69
+37	108
+40	16
+41	11
+50	9
+53	1
+58	1
+65	1
+68	1
+select sum(fld1),fld3 from t2 where fld3="Romans" group by fld1 limit 10;
+sum(fld1)	fld3
+11402	Romans
+select name,count(*) from t3 where name='cloakroom' group by name;
+name	count(*)
+cloakroom	4181
+select name,count(*) from t3 where name='cloakroom' and price>10 group by name;
+name	count(*)
+cloakroom	4181
+select count(*) from t3 where name='cloakroom' and price2=823742;
+count(*)
+4181
+select name,count(*) from t3 where name='cloakroom' and price2=823742 group by name;
+name	count(*)
+cloakroom	4181
+select name,count(*) from t3 where name >= "extramarital" and price <= 39654943 group by name;
+name	count(*)
+extramarital	4181
+gazer	4181
+gems	4181
+Iranizes	4181
+spates	4181
+tucked	4181
+violinist	4181
+select t2.fld3,count(*) from t2,t3 where t2.fld1=158402 and t3.name=t2.fld3 group by t3.name;
+fld3	count(*)
+spates	4181
+select companynr|0,companyname from t4 group by 1;
+companynr|0	companyname
+0	Unknown
+29	company 1
+34	company 2
+36	company 3
+37	company 4
+40	company 5
+41	company 6
+50	company 11
+53	company 7
+58	company 8
+65	company 9
+68	company 10
+select t2.companynr,companyname,count(*) from t2,t4 where t2.companynr=t4.companynr group by t2.companynr order by companyname;
+companynr	companyname	count(*)
+29	company 1	95
+68	company 10	12
+50	company 11	11
+34	company 2	70
+36	company 3	215
+37	company 4	588
+40	company 5	37
+41	company 6	52
+53	company 7	4
+58	company 8	23
+65	company 9	10
+00	Unknown	82
+select t2.fld1,count(*) from t2,t3 where t2.fld1=158402 and t3.name=t2.fld3 group by t3.name;
+fld1	count(*)
+158402	4181
+select sum(Period)/count(*) from t1;
+sum(Period)/count(*)
+9410.0000
+select companynr,count(price) as "count",sum(price) as "sum" ,abs(sum(price)/count(price)-avg(price)) as "diff",(0+count(price))*companynr as func from t3 group by companynr;
+companynr	count	sum	diff	func
+37	12543	309394878010	0.0000	464091
+78	8362	414611089292	0.0000	652236
+101	4181	3489454238	0.0000	422281
+154	4181	4112197254950	0.0000	643874
+311	4181	979599938	0.0000	1300291
+447	4181	9929180954	0.0000	1868907
+512	4181	3288532102	0.0000	2140672
+select companynr,sum(price)/count(price) as avg from t3 group by companynr having avg > 70000000 order by avg;
+companynr	avg
+154	983543950.0000
+select companynr,count(*) from t2 group by companynr order by 2 desc;
+companynr	count(*)
+37	588
+36	215
+29	95
+00	82
+34	70
+41	52
+40	37
+58	23
+68	12
+50	11
+65	10
+53	4
+select companynr,count(*) from t2 where companynr > 40 group by companynr order by 2 desc;
+companynr	count(*)
+41	52
+58	23
+68	12
+50	11
+65	10
+53	4
+select t2.fld4,t2.fld1,count(price),sum(price),min(price),max(price),avg(price) from t3,t2 where t3.companynr = 37 and t2.fld1 = t3.t2nr group by fld1,t2.fld4;
+fld4	fld1	count(price)	sum(price)	min(price)	max(price)	avg(price)
+teethe	000001	1	5987435	5987435	5987435	5987435.0000
+dreaded	011401	1	5987435	5987435	5987435	5987435.0000
+scholastics	011402	1	28357832	28357832	28357832	28357832.0000
+audiology	011403	1	39654943	39654943	39654943	39654943.0000
+wallet	011501	1	5987435	5987435	5987435	5987435.0000
+parters	011701	1	5987435	5987435	5987435	5987435.0000
+eschew	011702	1	28357832	28357832	28357832	28357832.0000
+quitter	011703	1	39654943	39654943	39654943	39654943.0000
+neat	012001	1	5987435	5987435	5987435	5987435.0000
+Steinberg	012003	1	39654943	39654943	39654943	39654943.0000
+balled	012301	1	5987435	5987435	5987435	5987435.0000
+persist	012302	1	28357832	28357832	28357832	28357832.0000
+attainments	012303	1	39654943	39654943	39654943	39654943.0000
+capably	012501	1	5987435	5987435	5987435	5987435.0000
+impulsive	012602	1	28357832	28357832	28357832	28357832.0000
+starlet	012603	1	39654943	39654943	39654943	39654943.0000
+featherweight	012701	1	5987435	5987435	5987435	5987435.0000
+pessimist	012702	1	28357832	28357832	28357832	28357832.0000
+daughter	012703	1	39654943	39654943	39654943	39654943.0000
+lawgiver	013601	1	5987435	5987435	5987435	5987435.0000
+stated	013602	1	28357832	28357832	28357832	28357832.0000
+readable	013603	1	39654943	39654943	39654943	39654943.0000
+testicle	013801	1	5987435	5987435	5987435	5987435.0000
+Parsifal	013802	1	28357832	28357832	28357832	28357832.0000
+leavings	013803	1	39654943	39654943	39654943	39654943.0000
+squeaking	013901	1	5987435	5987435	5987435	5987435.0000
+contrasted	016001	1	5987435	5987435	5987435	5987435.0000
+leftover	016201	1	5987435	5987435	5987435	5987435.0000
+whiteners	016202	1	28357832	28357832	28357832	28357832.0000
+erases	016301	1	5987435	5987435	5987435	5987435.0000
+Punjab	016302	1	28357832	28357832	28357832	28357832.0000
+Merritt	016303	1	39654943	39654943	39654943	39654943.0000
+sweetish	018001	1	5987435	5987435	5987435	5987435.0000
+dogging	018002	1	28357832	28357832	28357832	28357832.0000
+scornfully	018003	1	39654943	39654943	39654943	39654943.0000
+fetters	018012	1	28357832	28357832	28357832	28357832.0000
+bivalves	018013	1	39654943	39654943	39654943	39654943.0000
+skulking	018021	1	5987435	5987435	5987435	5987435.0000
+flint	018022	1	28357832	28357832	28357832	28357832.0000
+flopping	018023	1	39654943	39654943	39654943	39654943.0000
+Judas	018032	1	28357832	28357832	28357832	28357832.0000
+vacuuming	018033	1	39654943	39654943	39654943	39654943.0000
+medical	018041	1	5987435	5987435	5987435	5987435.0000
+bloodbath	018042	1	28357832	28357832	28357832	28357832.0000
+subschema	018043	1	39654943	39654943	39654943	39654943.0000
+interdependent	018051	1	5987435	5987435	5987435	5987435.0000
+Graves	018052	1	28357832	28357832	28357832	28357832.0000
+neonatal	018053	1	39654943	39654943	39654943	39654943.0000
+sorters	018061	1	5987435	5987435	5987435	5987435.0000
+epistle	018062	1	28357832	28357832	28357832	28357832.0000
+Conley	018101	1	5987435	5987435	5987435	5987435.0000
+lectured	018102	1	28357832	28357832	28357832	28357832.0000
+Abraham	018103	1	39654943	39654943	39654943	39654943.0000
+cage	018201	1	5987435	5987435	5987435	5987435.0000
+hushes	018202	1	28357832	28357832	28357832	28357832.0000
+Simla	018402	1	28357832	28357832	28357832	28357832.0000
+reporters	018403	1	39654943	39654943	39654943	39654943.0000
+coexist	018601	1	5987435	5987435	5987435	5987435.0000
+Beebe	018602	1	28357832	28357832	28357832	28357832.0000
+Taoism	018603	1	39654943	39654943	39654943	39654943.0000
+Connally	018801	1	5987435	5987435	5987435	5987435.0000
+fetched	018802	1	28357832	28357832	28357832	28357832.0000
+checkpoints	018803	1	39654943	39654943	39654943	39654943.0000
+gritty	018811	1	5987435	5987435	5987435	5987435.0000
+firearm	018812	1	28357832	28357832	28357832	28357832.0000
+minima	019101	1	5987435	5987435	5987435	5987435.0000
+Selfridge	019102	1	28357832	28357832	28357832	28357832.0000
+disable	019103	1	39654943	39654943	39654943	39654943.0000
+witchcraft	019201	1	5987435	5987435	5987435	5987435.0000
+betroth	030501	1	5987435	5987435	5987435	5987435.0000
+Manhattanize	030502	1	28357832	28357832	28357832	28357832.0000
+imprint	030503	1	39654943	39654943	39654943	39654943.0000
+swelling	031901	1	5987435	5987435	5987435	5987435.0000
+interrelationships	036001	1	5987435	5987435	5987435	5987435.0000
+riser	036002	1	28357832	28357832	28357832	28357832.0000
+bee	038001	1	5987435	5987435	5987435	5987435.0000
+kanji	038002	1	28357832	28357832	28357832	28357832.0000
+dental	038003	1	39654943	39654943	39654943	39654943.0000
+railway	038011	1	5987435	5987435	5987435	5987435.0000
+validate	038012	1	28357832	28357832	28357832	28357832.0000
+normalizes	038013	1	39654943	39654943	39654943	39654943.0000
+Kline	038101	1	5987435	5987435	5987435	5987435.0000
+Anatole	038102	1	28357832	28357832	28357832	28357832.0000
+partridges	038103	1	39654943	39654943	39654943	39654943.0000
+recruited	038201	1	5987435	5987435	5987435	5987435.0000
+dimensions	038202	1	28357832	28357832	28357832	28357832.0000
+Chicana	038203	1	39654943	39654943	39654943	39654943.0000
+select t3.companynr,fld3,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 512 group by companynr,fld3;
+companynr	fld3	sum(price)
+512	boat	786542
+512	capably	786542
+512	cupboard	786542
+512	decliner	786542
+512	descendants	786542
+512	dopers	786542
+512	erases	786542
+512	Micronesia	786542
+512	Miles	786542
+512	skies	786542
+select t2.companynr,count(*),min(fld3),max(fld3),sum(price),avg(price) from t2,t3 where t3.companynr >= 30 and t3.companynr <= 58 and t3.t2nr = t2.fld1 and 1+1=2 group by t2.companynr;
+companynr	count(*)	min(fld3)	max(fld3)	sum(price)	avg(price)
+00	1	Omaha	Omaha	5987435	5987435.0000
+36	1	dubbed	dubbed	28357832	28357832.0000
+37	83	Abraham	Wotan	1908978016	22999735.1325
+50	2	scribbled	tapestry	68012775	34006387.5000
+select t3.companynr+0,t3.t2nr,fld3,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 37 group by 1,t3.t2nr,fld3,fld3,fld3,fld3,fld3 order by fld1;
+t3.companynr+0	t2nr	fld3	sum(price)
+37	1	Omaha	5987435
+37	11401	breaking	5987435
+37	11402	Romans	28357832
+37	11403	intercepted	39654943
+37	11501	bewilderingly	5987435
+37	11701	astound	5987435
+37	11702	admonishing	28357832
+37	11703	sumac	39654943
+37	12001	flanking	5987435
+37	12003	combed	39654943
+37	12301	Eulerian	5987435
+37	12302	dubbed	28357832
+37	12303	Kane	39654943
+37	12501	annihilates	5987435
+37	12602	Wotan	28357832
+37	12603	snatching	39654943
+37	12701	grazing	5987435
+37	12702	Baird	28357832
+37	12703	celery	39654943
+37	13601	handgun	5987435
+37	13602	foldout	28357832
+37	13603	mystic	39654943
+37	13801	intelligibility	5987435
+37	13802	Augustine	28357832
+37	13803	teethe	39654943
+37	13901	scholastics	5987435
+37	16001	audiology	5987435
+37	16201	wallet	5987435
+37	16202	parters	28357832
+37	16301	eschew	5987435
+37	16302	quitter	28357832
+37	16303	neat	39654943
+37	18001	jarring	5987435
+37	18002	tinily	28357832
+37	18003	balled	39654943
+37	18012	impulsive	28357832
+37	18013	starlet	39654943
+37	18021	lawgiver	5987435
+37	18022	stated	28357832
+37	18023	readable	39654943
+37	18032	testicle	28357832
+37	18033	Parsifal	39654943
+37	18041	Punjab	5987435
+37	18042	Merritt	28357832
+37	18043	Quixotism	39654943
+37	18051	sureties	5987435
+37	18052	puddings	28357832
+37	18053	tapestry	39654943
+37	18061	trimmings	5987435
+37	18062	humility	28357832
+37	18101	tragedies	5987435
+37	18102	skulking	28357832
+37	18103	flint	39654943
+37	18201	relaxing	5987435
+37	18202	offload	28357832
+37	18402	suites	28357832
+37	18403	lists	39654943
+37	18601	vacuuming	5987435
+37	18602	dentally	28357832
+37	18603	humanness	39654943
+37	18801	inch	5987435
+37	18802	Weissmuller	28357832
+37	18803	irresponsibly	39654943
+37	18811	repetitions	5987435
+37	18812	Antares	28357832
+37	19101	ventilate	5987435
+37	19102	pityingly	28357832
+37	19103	interdependent	39654943
+37	19201	Graves	5987435
+37	30501	neonatal	5987435
+37	30502	scribbled	28357832
+37	30503	chafe	39654943
+37	31901	realtor	5987435
+37	36001	elite	5987435
+37	36002	funereal	28357832
+37	38001	Conley	5987435
+37	38002	lectured	28357832
+37	38003	Abraham	39654943
+37	38011	groupings	5987435
+37	38012	dissociate	28357832
+37	38013	coexist	39654943
+37	38101	rusting	5987435
+37	38102	galling	28357832
+37	38103	obliterates	39654943
+37	38201	resumes	5987435
+37	38202	analyzable	28357832
+37	38203	terminator	39654943
+select sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 512 and t3.t2nr = 38008 and t2.fld1 = 38008 or t2.fld1= t3.t2nr and t3.t2nr = 38008 and t2.fld1 = 38008;
+sum(price)
+234298
+select t2.fld1,sum(price) from t3,t2 where t2.fld1 = t3.t2nr and t3.companynr = 512 and t3.t2nr = 38008 and t2.fld1 = 38008 or t2.fld1 = t3.t2nr and t3.t2nr = 38008 and t2.fld1 = 38008 or t3.t2nr = t2.fld1 and t2.fld1 = 38008 group by t2.fld1;
+fld1	sum(price)
+038008	234298
+explain select fld3 from t2 where 1>2 or 2>3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
+explain select fld3 from t2 where fld1=fld1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	
+select companynr,fld1 from t2 HAVING fld1=250501 or fld1=250502;
+companynr	fld1
+34	250501
+34	250502
+select companynr,fld1 from t2 WHERE fld1>=250501 HAVING fld1<=250502;
+companynr	fld1
+34	250501
+34	250502
+select companynr,count(*) as count,sum(fld1) as sum from t2 group by companynr having count > 40 and sum/count >= 120000;
+companynr	count	sum
+00	82	10355753
+29	95	14473298
+34	70	17788966
+37	588	83602098
+41	52	12816335
+select companynr from t2 group by companynr having count(*) > 40 and sum(fld1)/count(*) >= 120000 ;
+companynr
+00
+29
+34
+37
+41
+select t2.companynr,companyname,count(*) from t2,t4 where t2.companynr=t4.companynr group by companyname having t2.companynr >= 40;
+companynr	companyname	count(*)
+68	company 10	12
+50	company 11	11
+40	company 5	37
+41	company 6	52
+53	company 7	4
+58	company 8	23
+65	company 9	10
+select count(*) from t2;
+count(*)
+1199
+select count(*) from t2 where fld1 < 098024;
+count(*)
+387
+select min(fld1) from t2 where fld1>= 098024;
+min(fld1)
+98024
+select max(fld1) from t2 where fld1>= 098024;
+max(fld1)
+1232609
+select count(*) from t3 where price2=76234234;
+count(*)
+4181
+select count(*) from t3 where companynr=512 and price2=76234234;
+count(*)
+4181
+explain select min(fld1),max(fld1),count(*) from t2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+select min(fld1),max(fld1),count(*) from t2;
+min(fld1)	max(fld1)	count(*)
+0	1232609	1199
+select min(t2nr),max(t2nr) from t3 where t2nr=2115 and price2=823742;
+min(t2nr)	max(t2nr)
+2115	2115
+select count(*),min(t2nr),max(t2nr) from t3 where name='spates' and companynr=78;
+count(*)	min(t2nr)	max(t2nr)
+4181	4	41804
+select t2nr,count(*) from t3 where name='gems' group by t2nr limit 20;
+t2nr	count(*)
+9	1
+19	1
+29	1
+39	1
+49	1
+59	1
+69	1
+79	1
+89	1
+99	1
+109	1
+119	1
+129	1
+139	1
+149	1
+159	1
+169	1
+179	1
+189	1
+199	1
+select max(t2nr) from t3 where price=983543950;
+max(t2nr)
+41807
+select t1.period from t3 = t1 limit 1;
+period
+1001
+select t1.period from t1 as t1 limit 1;
+period
+9410
+select t1.period as "Nuvarande period" from t1 as t1 limit 1;
+Nuvarande period
+9410
+select period as ok_period from t1 limit 1;
+ok_period
+9410
+select period as ok_period from t1 group by ok_period limit 1;
+ok_period
+9410
+select 1+1 as summa from t1 group by summa limit 1;
+summa
+2
+select period as "Nuvarande period" from t1 group by "Nuvarande period" limit 1;
+Nuvarande period
+9410
+show tables;
+Tables_in_test
+t1
+t2
+t3
+t4
+show tables from test like "s%";
+Tables_in_test (s%)
+show tables from test like "t?";
+Tables_in_test (t?)
+show full columns from t2;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+auto	int(11)	NULL	NO	PRI	NULL	auto_increment	#	
+fld1	int(6) unsigned zerofill	NULL	NO	UNI	000000		#	
+companynr	tinyint(2) unsigned zerofill	NULL	NO		00		#	
+fld3	char(30)	latin1_swedish_ci	NO	MUL			#	
+fld4	char(35)	latin1_swedish_ci	NO				#	
+fld5	char(35)	latin1_swedish_ci	NO				#	
+fld6	char(4)	latin1_swedish_ci	NO				#	
+show full columns from t2 from test like 'f%';
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+fld1	int(6) unsigned zerofill	NULL	NO	UNI	000000		#	
+fld3	char(30)	latin1_swedish_ci	NO	MUL			#	
+fld4	char(35)	latin1_swedish_ci	NO				#	
+fld5	char(35)	latin1_swedish_ci	NO				#	
+fld6	char(4)	latin1_swedish_ci	NO				#	
+show full columns from t2 from test like 's%';
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+show keys from t2;
+Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
+t2	0	PRIMARY	1	auto	A	1199	NULL	NULL		BTREE	
+t2	0	fld1	1	fld1	A	1199	NULL	NULL		BTREE	
+t2	1	fld3	1	fld3	A	NULL	NULL	NULL		BTREE	
+drop table t4, t3, t2, t1;
+DO 1;
+DO benchmark(100,1+1),1,1;
+do default;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
+do foobar;
+ERROR 42S22: Unknown column 'foobar' in 'field list'
+CREATE TABLE t1 (
+id mediumint(8) unsigned NOT NULL auto_increment,
+pseudo varchar(35) NOT NULL default '',
+PRIMARY KEY  (id),
+UNIQUE KEY pseudo (pseudo)
+);
+INSERT INTO t1 (pseudo) VALUES ('test');
+INSERT INTO t1 (pseudo) VALUES ('test1');
+SELECT 1 as rnd1 from t1 where rand() > 2;
+rnd1
+DROP TABLE t1;
+CREATE TABLE t1 (gvid int(10) unsigned default NULL,  hmid int(10) unsigned default NULL,  volid int(10) unsigned default NULL,  mmid int(10) unsigned default NULL,  hdid int(10) unsigned default NULL,  fsid int(10) unsigned default NULL,  ctid int(10) unsigned default NULL,  dtid int(10) unsigned default NULL,  cost int(10) unsigned default NULL,  performance int(10) unsigned default NULL,  serialnumber bigint(20) unsigned default NULL,  monitored tinyint(3) unsigned default '1',  removed tinyint(3) unsigned default '0',  target tinyint(3) unsigned default '0',  dt_modified timestamp NOT NULL,  name varchar(255) binary default NULL,  description varchar(255) default NULL,  UNIQUE KEY hmid (hmid,volid)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (200001,2,1,1,100,1,1,1,0,0,0,1,0,1,20020425060057,'\\\\ARKIVIO-TESTPDC\\E$',''),(200002,2,2,1,101,1,1,1,0,0,0,1,0,1,20020425060057,'\\\\ARKIVIO-TESTPDC\\C$',''),(200003,1,3,2,NULL,NULL,NULL,NULL,NULL,NULL,NULL,1,0,1,20020425060427,'c:',NULL);
+CREATE TABLE t2 (  hmid int(10) unsigned default NULL,  volid int(10) unsigned default NULL,  sampletid smallint(5) unsigned default NULL,  sampletime datetime default NULL,  samplevalue bigint(20) unsigned default NULL,  KEY idx1 (hmid,volid,sampletid,sampletime)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (1,3,10,'2002-06-01 08:00:00',35),(1,3,1010,'2002-06-01 12:00:01',35);
+SELECT a.gvid, (SUM(CASE b.sampletid WHEN 140 THEN b.samplevalue ELSE 0 END)) as the_success,(SUM(CASE b.sampletid WHEN 141 THEN b.samplevalue ELSE 0 END)) as the_fail,(SUM(CASE b.sampletid WHEN 142 THEN b.samplevalue ELSE 0 END)) as the_size,(SUM(CASE b.sampletid WHEN 143 THEN b.samplevalue ELSE 0 END)) as the_time FROM t1 a, t2 b WHERE a.hmid = b.hmid AND a.volid = b.volid AND b.sampletime >= 'wrong-date-value' AND b.sampletime < 'wrong-date-value' AND b.sampletid IN (140, 141, 142, 143) GROUP BY a.gvid;
+gvid	the_success	the_fail	the_size	the_time
+Warnings:
+Warning	1292	Incorrect datetime value: 'wrong-date-value' for column 'sampletime' at row 1
+Warning	1292	Incorrect datetime value: 'wrong-date-value' for column 'sampletime' at row 1
+SELECT a.gvid, (SUM(CASE b.sampletid WHEN 140 THEN b.samplevalue ELSE 0 END)) as the_success,(SUM(CASE b.sampletid WHEN 141 THEN b.samplevalue ELSE 0 END)) as the_fail,(SUM(CASE b.sampletid WHEN 142 THEN b.samplevalue ELSE 0 END)) as the_size,(SUM(CASE b.sampletid WHEN 143 THEN b.samplevalue ELSE 0 END)) as the_time FROM t1 a, t2 b WHERE a.hmid = b.hmid AND a.volid = b.volid AND b.sampletime >= NULL AND b.sampletime < NULL AND b.sampletid IN (140, 141, 142, 143) GROUP BY a.gvid;
+gvid	the_success	the_fail	the_size	the_time
+DROP TABLE t1,t2;
+create table  t1 (  A_Id bigint(20) NOT NULL default '0',  A_UpdateBy char(10) NOT NULL default '',  A_UpdateDate bigint(20) NOT NULL default '0',  A_UpdateSerial int(11) NOT NULL default '0',  other_types bigint(20) NOT NULL default '0',  wss_type bigint(20) NOT NULL default '0');
+INSERT INTO t1 VALUES (102935998719055004,'brade',1029359987,2,102935229116544068,102935229216544093);
+select wss_type from t1 where wss_type ='102935229216544106';
+wss_type
+select wss_type from t1 where wss_type ='102935229216544105';
+wss_type
+select wss_type from t1 where wss_type ='102935229216544104';
+wss_type
+select wss_type from t1 where wss_type ='102935229216544093';
+wss_type
+102935229216544093
+select wss_type from t1 where wss_type =102935229216544093;
+wss_type
+102935229216544093
+drop table t1;
+select 1+2,"aaaa",3.13*2.0 into @a,@b,@c;
+select @a;
+@a
+3
+select @b;
+@b
+aaaa
+select @c;
+@c
+6.260
+create table t1 (a int not null auto_increment primary key);
+insert into t1 values ();
+insert into t1 values ();
+insert into t1 values ();
+select * from (t1 as t2 left join t1 as t3 using (a)), t1;
+a	a
+1	1
+2	1
+3	1
+1	2
+2	2
+3	2
+1	3
+2	3
+3	3
+select * from t1, (t1 as t2 left join t1 as t3 using (a));
+a	a
+1	1
+2	1
+3	1
+1	2
+2	2
+3	2
+1	3
+2	3
+3	3
+select * from (t1 as t2 left join t1 as t3 using (a)) straight_join t1;
+a	a
+1	1
+2	1
+3	1
+1	2
+2	2
+3	2
+1	3
+2	3
+3	3
+select * from t1 straight_join (t1 as t2 left join t1 as t3 using (a));
+a	a
+1	1
+2	1
+3	1
+1	2
+2	2
+3	2
+1	3
+2	3
+3	3
+select * from (t1 as t2 left join t1 as t3 using (a)) inner join t1 on t1.a>1;
+a	a
+1	2
+2	2
+3	2
+1	3
+2	3
+3	3
+select * from t1 inner join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
+a	a
+2	1
+3	1
+2	2
+3	2
+2	3
+3	3
+select * from (t1 as t2 left join t1 as t3 using (a)) inner join t1 using ( a );
+a
+1
+2
+3
+select * from t1 inner join (t1 as t2 left join t1 as t3 using (a)) using ( a );
+a
+1
+2
+3
+select * from (t1 as t2 left join t1 as t3 using (a)) left outer join t1 on t1.a>1;
+a	a
+1	2
+1	3
+2	2
+2	3
+3	2
+3	3
+select * from t1 left outer join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
+a	a
+1	NULL
+2	1
+2	2
+2	3
+3	1
+3	2
+3	3
+select * from (t1 as t2 left join t1 as t3 using (a)) left join t1 using ( a );
+a
+1
+2
+3
+select * from t1 left join (t1 as t2 left join t1 as t3 using (a)) using ( a );
+a
+1
+2
+3
+select * from (t1 as t2 left join t1 as t3 using (a)) natural left join t1;
+a
+1
+2
+3
+select * from t1 natural left join (t1 as t2 left join t1 as t3 using (a));
+a
+1
+2
+3
+select * from (t1 as t2 left join t1 as t3 using (a)) right join t1 on t1.a>1;
+a	a
+NULL	1
+1	2
+2	2
+3	2
+1	3
+2	3
+3	3
+select * from t1 right join (t1 as t2 left join t1 as t3 using (a)) on t1.a>1;
+a	a
+2	1
+3	1
+2	2
+3	2
+2	3
+3	3
+select * from (t1 as t2 left join t1 as t3 using (a)) right outer join t1 using ( a );
+a
+1
+2
+3
+select * from t1 right outer join (t1 as t2 left join t1 as t3 using (a)) using ( a );
+a
+1
+2
+3
+select * from (t1 as t2 left join t1 as t3 using (a)) natural right join t1;
+a
+1
+2
+3
+select * from t1 natural right join (t1 as t2 left join t1 as t3 using (a));
+a
+1
+2
+3
+select * from t1 natural join (t1 as t2 left join t1 as t3 using (a));
+a
+1
+2
+3
+select * from (t1 as t2 left join t1 as t3 using (a)) natural join t1;
+a
+1
+2
+3
+drop table t1;
+CREATE TABLE t1 (  aa char(2),  id int(11) NOT NULL auto_increment,  t2_id int(11) NOT NULL default '0',  PRIMARY KEY  (id),  KEY replace_id (t2_id)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ("1",8264,2506),("2",8299,2517),("3",8301,2518),("4",8302,2519),("5",8303,2520),("6",8304,2521),("7",8305,2522);
+CREATE TABLE t2 ( id int(11) NOT NULL auto_increment,  PRIMARY KEY  (id)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (2517), (2518), (2519), (2520), (2521), (2522);
+select * from t1, t2 WHERE t1.t2_id = t2.id and t1.t2_id > 0   order by t1.id   LIMIT 0, 5;
+aa	id	t2_id	id
+2	8299	2517	2517
+3	8301	2518	2518
+4	8302	2519	2519
+5	8303	2520	2520
+6	8304	2521	2521
+drop table t1,t2;
+create table t1 (id1 int NOT NULL);
+create table t2 (id2 int NOT NULL);
+create table t3 (id3 int NOT NULL);
+create table t4 (id4 int NOT NULL, id44 int NOT NULL, KEY (id4));
+insert into t1 values (1);
+insert into t1 values (2);
+insert into t2 values (1);
+insert into t4 values (1,1);
+explain select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3
+left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t4	const	id4	NULL	NULL	NULL	1	
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1	Using where
+select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3
+left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
+id1	id2	id3	id4	id44
+1	1	NULL	NULL	NULL
+drop table t1,t2,t3,t4;
+create table t1(s varchar(10) not null);
+create table t2(s varchar(10) not null primary key);
+create table t3(s varchar(10) not null primary key);
+insert into t1 values ('one\t'), ('two\t');
+insert into t2 values ('one\r'), ('two\t');
+insert into t3 values ('one '), ('two\t');
+select * from t1 where s = 'one';
+s
+select * from t2 where s = 'one';
+s
+select * from t3 where s = 'one';
+s
+one 
+select * from t1,t2 where t1.s = t2.s;
+s	s
+two		two	
+select * from t2,t3 where t2.s = t3.s;
+s	s
+two		two	
+drop table t1, t2, t3;
+create table t1 (a integer,  b integer, index(a), index(b));
+create table t2 (c integer,  d integer, index(c), index(d));
+insert into t1 values (1,2), (2,2), (3,2), (4,2);
+insert into t2 values (1,3), (2,3), (3,4), (4,4);
+explain select * from t1 left join t2 on a=c where d in (4);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	c,d	d	5	const	2	
+1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	4	Using where; Using join buffer
+select * from t1 left join t2 on a=c where d in (4);
+a	b	c	d
+3	2	3	4
+4	2	4	4
+explain select * from t1 left join t2 on a=c where d = 4;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	c,d	d	5	const	2	
+1	SIMPLE	t1	ALL	a	NULL	NULL	NULL	4	Using where; Using join buffer
+select * from t1 left join t2 on a=c where d = 4;
+a	b	c	d
+3	2	3	4
+4	2	4	4
+drop table t1, t2;
+CREATE TABLE t1 (
+i int(11) NOT NULL default '0',
+c char(10) NOT NULL default '',
+PRIMARY KEY  (i),
+UNIQUE KEY c (c)
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1,'a');
+INSERT INTO t1 VALUES (2,'b');
+INSERT INTO t1 VALUES (3,'c');
+EXPLAIN SELECT i FROM t1 WHERE i=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
+DROP TABLE t1;
+CREATE TABLE t1 ( a BLOB, INDEX (a(20)) );
+CREATE TABLE t2 ( a BLOB, INDEX (a(20)) );
+INSERT INTO t1 VALUES ('one'),('two'),('three'),('four'),('five');
+INSERT INTO t2 VALUES ('one'),('two'),('three'),('four'),('five');
+EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USE INDEX (a) ON t1.a=t2.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
+1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	Using where
+EXPLAIN SELECT * FROM t1 LEFT JOIN t2 FORCE INDEX (a) ON t1.a=t2.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
+1	SIMPLE	t2	ref	a	a	23	test.t1.a	2	Using where
+DROP TABLE t1, t2;
+CREATE TABLE t1 ( city char(30) );
+INSERT INTO t1 VALUES ('London');
+INSERT INTO t1 VALUES ('Paris');
+SELECT * FROM t1 WHERE city='London';
+city
+London
+SELECT * FROM t1 WHERE city='london';
+city
+London
+EXPLAIN SELECT * FROM t1 WHERE city='London' AND city='london';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+SELECT * FROM t1 WHERE city='London' AND city='london';
+city
+London
+EXPLAIN SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
+SELECT * FROM t1 WHERE city LIKE '%london%' AND city='London';
+city
+London
+DROP TABLE t1;
+create table t1 (a int(11) unsigned, b int(11) unsigned);
+insert into t1 values (1,0), (1,1), (1,2);
+select a-b  from t1 order by 1;
+a-b
+0
+1
+18446744073709551615
+select a-b , (a-b < 0)  from t1 order by 1;
+a-b	(a-b < 0)
+0	0
+1	0
+18446744073709551615	0
+select a-b as d, (a-b >= 0), b from t1 group by b having d >= 0;
+d	(a-b >= 0)	b
+1	1	0
+0	1	1
+18446744073709551615	1	2
+select cast((a - b) as unsigned) from t1 order by 1;
+cast((a - b) as unsigned)
+0
+1
+18446744073709551615
+drop table t1;
+create table t1 (a int(11));
+select all all * from t1;
+a
+select distinct distinct * from t1;
+a
+select all distinct * from t1;
+ERROR HY000: Incorrect usage of ALL and DISTINCT
+select distinct all * from t1;
+ERROR HY000: Incorrect usage of ALL and DISTINCT
+drop table t1;
+CREATE TABLE t1 (
+kunde_intern_id int(10) unsigned NOT NULL default '0',
+kunde_id int(10) unsigned NOT NULL default '0',
+FK_firma_id int(10) unsigned NOT NULL default '0',
+aktuell enum('Ja','Nein') NOT NULL default 'Ja',
+vorname varchar(128) NOT NULL default '',
+nachname varchar(128) NOT NULL default '',
+geloescht enum('Ja','Nein') NOT NULL default 'Nein',
+firma varchar(128) NOT NULL default ''
+);
+INSERT INTO t1 VALUES 
+(3964,3051,1,'Ja','Vorname1','1Nachname','Nein','Print Schau XXXX'),
+(3965,3051111,1,'Ja','Vorname1111','1111Nachname','Nein','Print Schau XXXX');
+SELECT kunde_id ,FK_firma_id ,aktuell, vorname, nachname, geloescht FROM t1
+WHERE
+(
+(
+( '' != '' AND firma LIKE CONCAT('%', '', '%'))
+OR
+(vorname LIKE CONCAT('%', 'Vorname1', '%') AND 
+nachname LIKE CONCAT('%', '1Nachname', '%') AND 
+'Vorname1' != '' AND 'xxxx' != '')
+)
+AND
+(
+aktuell = 'Ja' AND geloescht = 'Nein' AND FK_firma_id = 2
+)
+)
+;
+kunde_id	FK_firma_id	aktuell	vorname	nachname	geloescht
+SELECT kunde_id ,FK_firma_id ,aktuell, vorname, nachname,
+geloescht FROM t1
+WHERE
+(
+(
+aktuell = 'Ja' AND geloescht = 'Nein' AND FK_firma_id = 2
+)
+AND
+(
+( '' != '' AND firma LIKE CONCAT('%', '', '%')  )
+OR
+(  vorname LIKE CONCAT('%', 'Vorname1', '%') AND
+nachname LIKE CONCAT('%', '1Nachname', '%') AND 'Vorname1' != '' AND
+'xxxx' != '')
+)
+)
+;
+kunde_id	FK_firma_id	aktuell	vorname	nachname	geloescht
+SELECT COUNT(*) FROM t1 WHERE 
+( 0 OR (vorname LIKE '%Vorname1%' AND nachname LIKE '%1Nachname%' AND 1)) 
+AND FK_firma_id = 2;
+COUNT(*)
+0
+drop table t1;
+CREATE TABLE t1 (b BIGINT(20) UNSIGNED NOT NULL, PRIMARY KEY (b));
+INSERT INTO t1 VALUES (0x8000000000000000);
+SELECT b FROM t1 WHERE b=0x8000000000000000;
+b
+9223372036854775808
+DROP TABLE t1;
+CREATE TABLE `t1` ( `gid` int(11) default NULL, `uid` int(11) default NULL);
+CREATE TABLE `t2` ( `ident` int(11) default NULL, `level` char(16) default NULL);
+INSERT INTO `t2` VALUES (0,'READ');
+CREATE TABLE `t3` ( `id` int(11) default NULL, `name` char(16) default NULL);
+INSERT INTO `t3` VALUES (1,'fs');
+select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid, t3.id, 0);
+id	name	gid	uid	ident	level
+1	fs	NULL	NULL	0	READ
+drop table t1,t2,t3;
+CREATE TABLE t1 (
+acct_id int(11) NOT NULL default '0',
+profile_id smallint(6) default NULL,
+UNIQUE KEY t1$acct_id (acct_id),
+KEY t1$profile_id (profile_id)
+);
+INSERT INTO t1 VALUES (132,17),(133,18);
+CREATE TABLE t2 (
+profile_id smallint(6) default NULL,
+queue_id int(11) default NULL,
+seq int(11) default NULL,
+KEY t2$queue_id (queue_id)
+);
+INSERT INTO t2 VALUES (17,31,4),(17,30,3),(17,36,2),(17,37,1);
+CREATE TABLE t3 (
+id int(11) NOT NULL default '0',
+qtype int(11) default NULL,
+seq int(11) default NULL,
+warn_lvl int(11) default NULL,
+crit_lvl int(11) default NULL,
+rr1 tinyint(4) NOT NULL default '0',
+rr2 int(11) default NULL,
+default_queue tinyint(4) NOT NULL default '0',
+KEY t3$qtype (qtype),
+KEY t3$id (id)
+);
+INSERT INTO t3 VALUES (30,1,29,NULL,NULL,0,NULL,0),(31,1,28,NULL,NULL,0,NULL,0),
+(36,1,34,NULL,NULL,0,NULL,0),(37,1,35,NULL,NULL,0,121,0);
+SELECT COUNT(*) FROM t1 a STRAIGHT_JOIN t2 pq STRAIGHT_JOIN t3 q 
+WHERE 
+(pq.profile_id = a.profile_id) AND (a.acct_id = 132) AND 
+(pq.queue_id = q.id) AND (q.rr1 <> 1);
+COUNT(*)
+4
+drop table t1,t2,t3;
+create table t1 (f1 int);
+insert into t1 values (1),(NULL);
+create table t2 (f2 int, f3 int, f4 int);
+create index idx1 on t2 (f4);
+insert into t2 values (1,2,3),(2,4,6);
+select A.f2 from t1 left join t2 A on A.f2 = f1 where A.f3=(select min(f3)
+from  t2 C where A.f4 = C.f4) or A.f3 IS NULL;
+f2
+1
+NULL
+drop table t1,t2;
+create table t2 (a tinyint unsigned);
+create index t2i on t2(a);
+insert into t2 values (0), (254), (255);
+explain select * from t2 where a > -1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	index	t2i	t2i	2	NULL	3	Using where; Using index
+select * from t2 where a > -1;
+a
+0
+254
+255
+drop table t2;
+CREATE TABLE t1 (a int, b int, c int);
+INSERT INTO t1
+SELECT 50, 3, 3 FROM DUAL
+WHERE NOT EXISTS
+(SELECT * FROM t1 WHERE a = 50 AND b = 3);
+SELECT * FROM t1;
+a	b	c
+50	3	3
+INSERT INTO t1
+SELECT 50, 3, 3 FROM DUAL
+WHERE NOT EXISTS
+(SELECT * FROM t1 WHERE a = 50 AND b = 3);
+select found_rows();
+found_rows()
+0
+SELECT * FROM t1;
+a	b	c
+50	3	3
+select count(*) from t1;
+count(*)
+1
+select found_rows();
+found_rows()
+1
+select count(*) from t1 limit 2,3;
+count(*)
+select found_rows();
+found_rows()
+0
+select SQL_CALC_FOUND_ROWS count(*) from t1 limit 2,3;
+count(*)
+select found_rows();
+found_rows()
+1
+DROP TABLE t1;
+CREATE TABLE t1 (a INT, b INT);
+(SELECT a, b AS c FROM t1) ORDER BY c+1;
+a	c
+(SELECT a, b AS c FROM t1) ORDER BY b+1;
+a	c
+SELECT a, b AS c FROM t1 ORDER BY c+1;
+a	c
+SELECT a, b AS c FROM t1 ORDER BY b+1;
+a	c
+drop table t1;
+create table t1(f1 int, f2 int);
+create table t2(f3 int);
+select f1 from t1,t2 where f1=f2 and (f1,f2) = ((1,1));
+f1
+select f1 from t1,t2 where f1=f2 and (f1,NULL) = ((1,1));
+f1
+select f1 from t1,t2 where f1=f2 and (f1,f2) = ((1,NULL));
+f1
+insert into t1 values(1,1),(2,null);
+insert into t2 values(2);
+select * from t1,t2 where f1=f3 and (f1,f2) = (2,null);
+f1	f2	f3
+select * from t1,t2 where f1=f3 and (f1,f2) <=> (2,null);
+f1	f2	f3
+2	NULL	2
+drop table t1,t2;
+create table t1 (f1 int not null auto_increment primary key, f2 varchar(10));
+create table t11 like t1;
+insert into t1 values(1,""),(2,"");
+show table status like 't1%';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Dynamic	2	20	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL		
+t11	MyISAM	10	Dynamic	0	0	X	X	X	X	X	X	X	X	latin1_swedish_ci	NULL		
+select 123 as a from t1 where f1 is null;
+a
+drop table t1,t11;
+CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL, UNIQUE idx (a,b) );
+INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4);
+CREATE TABLE t2 ( a INT NOT NULL, b INT NOT NULL, e INT );
+INSERT INTO t2 VALUES ( 1,10,1), (1,10,2), (1,11,1), (1,11,2), (1,2,1), (1,2,2),(1,2,3);
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',e) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
+a	b	c	d
+1	2	1	1
+1	2	2	1
+1	2	3	1
+1	10		2
+1	11		2
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',e) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY t1.a, t1.b, c;
+a	b	c	d
+1	10		4
+1	2	1	1
+1	2	2	1
+1	2	3	1
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',e) AS c, COUNT(*) AS d FROM t2 LEFT JOIN
+t1 ON t2.a = t1.a AND t2.b = t1.b GROUP BY t2.a, t2.b, c;
+a	b	c	d
+1	2	1	1
+1	2	2	1
+1	2	3	1
+1	10		2
+1	11		2
+SELECT t2.a, t2.b, IF(t1.b IS NULL,'',e) AS c, COUNT(*) AS d FROM t2,t1
+WHERE t2.a = t1.a AND t2.b = t1.b GROUP BY a, b, c;
+a	b	c	d
+1	2	1	1
+1	2	2	1
+1	2	3	1
+DROP TABLE IF EXISTS t1, t2;
+create table t1 (f1 int primary key, f2 int);
+create table t2 (f3 int, f4 int, primary key(f3,f4));
+insert into t1 values (1,1);
+insert into t2 values (1,1),(1,2);
+select distinct count(f2) >0 from t1 left join t2 on f1=f3 group by f1;
+count(f2) >0
+1
+drop table t1,t2;
+create table t1 (f1 int,f2 int);
+insert into t1 values(1,1);
+create table t2 (f3 int, f4 int, primary key(f3,f4));
+insert into t2 values(1,1);
+select * from t1 where f1 in (select f3 from t2 where (f3,f4)= (select f3,f4 from t2));
+f1	f2
+1	1
+drop table t1,t2;
+CREATE TABLE t1(a int, b int, c int, KEY b(b), KEY c(c));
+insert into t1 values (1,0,0),(2,0,0);
+CREATE TABLE t2 (a int, b varchar(2), c varchar(2), PRIMARY KEY(a));
+insert into t2 values (1,'',''), (2,'','');
+CREATE TABLE t3 (a int, b int, PRIMARY KEY (a,b), KEY a (a), KEY b (b));
+insert into t3 values (1,1),(1,2);
+explain select straight_join DISTINCT t2.a,t2.b, t1.c from t1, t3, t2 
+where (t1.c=t2.a or (t1.c=t3.a and t2.a=t3.b)) and t1.b=556476786 and 
+t2.b like '%%' order by t2.b limit 0,1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	b,c	b	5	const	1	Using temporary; Using filesort
+1	SIMPLE	t3	index	PRIMARY,a,b	PRIMARY	8	NULL	2	Using index; Using join buffer
+1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	2	Range checked for each record (index map: 0x1)
+DROP TABLE t1,t2,t3;
+CREATE TABLE t1 (a int, INDEX idx(a));
+INSERT INTO t1 VALUES (2), (3), (1);
+EXPLAIN SELECT * FROM t1 IGNORE INDEX (idx);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
+EXPLAIN SELECT * FROM t1 IGNORE INDEX (a);
+ERROR 42000: Key 'a' doesn't exist in table 't1'
+EXPLAIN SELECT * FROM t1 FORCE INDEX (a);
+ERROR 42000: Key 'a' doesn't exist in table 't1'
+DROP TABLE t1;
+CREATE TABLE t1 (a int, b int);
+INSERT INTO t1 VALUES (1,1), (2,1), (4,10);
+CREATE TABLE t2 (a int PRIMARY KEY, b int, KEY b (b));
+INSERT INTO t2 VALUES (1,NULL), (2,10);
+ALTER TABLE t1 ENABLE KEYS;
+EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	index	b	b	5	NULL	2	Using index
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer
+SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
+a	b	a	b
+1	NULL	1	1
+1	NULL	2	1
+1	NULL	4	10
+2	10	4	10
+EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	index	b	b	5	NULL	2	Using index
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer
+SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
+a	b	a	b
+1	NULL	1	1
+1	NULL	2	1
+1	NULL	4	10
+2	10	4	10
+DROP TABLE IF EXISTS t1,t2;
+CREATE TABLE t1 (key1 float default NULL, UNIQUE KEY key1 (key1));
+CREATE TABLE t2 (key2 float default NULL, UNIQUE KEY key2 (key2));
+INSERT INTO t1 VALUES (0.3762),(0.3845),(0.6158),(0.7941);
+INSERT INTO t2 VALUES (1.3762),(1.3845),(1.6158),(1.7941);
+explain select max(key1) from t1 where key1 <= 0.6158;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+explain select max(key2) from t2 where key2 <= 1.6158;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+explain select min(key1) from t1 where key1 >= 0.3762;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+explain select min(key2) from t2 where key2 >= 1.3762;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+explain select max(key1), min(key2) from t1, t2
+where key1 <= 0.6158 and key2 >= 1.3762;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
+select max(key1) from t1 where key1 <= 0.6158;
+max(key1)
+0.615800023078918
+select max(key2) from t2 where key2 <= 1.6158;
+max(key2)
+1.61580002307892
+select min(key1) from t1 where key1 >= 0.3762;
+min(key1)
+0.376199990510941
+select min(key2) from t2 where key2 >= 1.3762;
+min(key2)
+1.37619996070862
+select max(key1), min(key2) from t1, t2
+where key1 <= 0.6158 and key2 >= 1.3762;
+max(key1)	min(key2)
+0.615800023078918	1.37619996070862
+select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
+max(key1)
+0.615800023078918
+select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
+min(key1)
+0.376199990510941
+DROP TABLE t1,t2;
+CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
+INSERT INTO t1 VALUES (10);
+SELECT i='1e+01',i=1e+01, i in (1e+01,1e+01), i in ('1e+01','1e+01') FROM t1;
+i='1e+01'	i=1e+01	i in (1e+01,1e+01)	i in ('1e+01','1e+01')
+1	1	1	1
+DROP TABLE t1;
+create table t1(a bigint unsigned, b bigint);
+insert into t1 values (0xfffffffffffffffff, 0xfffffffffffffffff), 
+(0x10000000000000000, 0x10000000000000000), 
+(0x8fffffffffffffff, 0x8fffffffffffffff);
+Warnings:
+Warning	1264	Out of range value for column 'a' at row 1
+Warning	1264	Out of range value for column 'b' at row 1
+Warning	1264	Out of range value for column 'a' at row 2
+Warning	1264	Out of range value for column 'b' at row 2
+Warning	1264	Out of range value for column 'b' at row 3
+select hex(a), hex(b) from t1;
+hex(a)	hex(b)
+FFFFFFFFFFFFFFFF	7FFFFFFFFFFFFFFF
+FFFFFFFFFFFFFFFF	7FFFFFFFFFFFFFFF
+8FFFFFFFFFFFFFFF	7FFFFFFFFFFFFFFF
+drop table t1;
+CREATE TABLE t1 (c0 int);
+CREATE TABLE t2 (c0 int);
+INSERT INTO t1 VALUES(@@connect_timeout);
+INSERT INTO t2 VALUES(@@connect_timeout);
+SELECT * FROM t1 JOIN t2 ON t1.c0 = t2.c0 WHERE (t1.c0 <=> @@connect_timeout);
+c0	c0
+X	X
+DROP TABLE t1, t2;
+End of 4.1 tests
+CREATE TABLE t1 ( 
+K2C4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '', 
+K4N4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '0000', 
+F2I4 int(11) NOT NULL default '0' 
+) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+INSERT INTO t1 VALUES 
+('W%RT', '0100',  1), 
+('W-RT', '0100', 1), 
+('WART', '0100', 1), 
+('WART', '0200', 1), 
+('WERT', '0100', 2), 
+('WORT','0200', 2), 
+('WT', '0100', 2), 
+('W_RT', '0100', 2), 
+('WaRT', '0100', 3), 
+('WART', '0300', 3), 
+('WRT' , '0400', 3), 
+('WURM', '0500', 3), 
+('W%T', '0600', 4), 
+('WA%T', '0700', 4), 
+('WA_T', '0800', 4);
+SELECT K2C4, K4N4, F2I4 FROM t1
+WHERE  K2C4 = 'WART' AND 
+(F2I4 = 2 AND K2C4 = 'WART' OR (F2I4 = 2 OR K4N4 = '0200'));
+K2C4	K4N4	F2I4
+WART	0200	1
+SELECT K2C4, K4N4, F2I4 FROM t1
+WHERE  K2C4 = 'WART' AND (K2C4 = 'WART' OR K4N4 = '0200');
+K2C4	K4N4	F2I4
+WART	0100	1
+WART	0200	1
+WART	0300	3
+DROP TABLE t1;
+create table t1 (a int, b int);
+create table t2 like t1;
+select t1.a from (t1 inner join t2 on t1.a=t2.a) where t2.a=1;
+a
+select t1.a from ((t1 inner join t2 on t1.a=t2.a)) where t2.a=1;
+a
+select x.a, y.a, z.a from ( (t1 x inner join t2 y on x.a=y.a) inner join t2 z on y.a=z.a) WHERE x.a=1;
+a	a	a
+drop table t1,t2;
+create table t1 (s1 varchar(5));
+insert into t1 values ('Wall');
+select min(s1) from t1 group by s1 with rollup;
+min(s1)
+Wall
+Wall
+drop table t1;
+create table t1 (s1 int) engine=myisam;
+insert into t1 values (0);
+select avg(distinct s1) from t1 group by s1 with rollup;
+avg(distinct s1)
+0.0000
+0.0000
+drop table t1;
+create table t1 (s1 int);
+insert into t1 values (null),(1);
+select distinct avg(s1) as x from t1 group by s1 with rollup;
+x
+NULL
+1.0000
+drop table t1;
+CREATE TABLE t1 (a int);
+CREATE TABLE t2 (a int);
+INSERT INTO t1 VALUES (1), (2), (3), (4), (5);
+INSERT INTO t2 VALUES (2), (4), (6);
+SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a;
+a
+2
+4
+EXPLAIN SELECT t1.a FROM t1 STRAIGHT_JOIN t2 ON t1.a=t2.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer
+EXPLAIN SELECT t1.a FROM t1 INNER JOIN t2 ON t1.a=t2.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	Using where; Using join buffer
+DROP TABLE t1,t2;
+select x'10' + 0, X'10' + 0, b'10' + 0, B'10' + 0;
+x'10' + 0	X'10' + 0	b'10' + 0	B'10' + 0
+16	16	2	2
+create table t1 (f1 varchar(6) default NULL, f2 int(6) primary key not null);
+create table t2 (f3 varchar(5) not null, f4 varchar(5) not null, UNIQUE KEY UKEY (f3,f4));
+insert into t1 values (" 2", 2);
+insert into t2 values (" 2", " one "),(" 2", " two ");
+select * from t1 left join t2 on f1 = f3;
+f1	f2	f3	f4
+ 2	2	 2	 one 
+ 2	2	 2	 two 
+drop table t1,t2;
+create table t1 (empnum smallint, grp int);
+create table t2 (empnum int, name char(5));
+insert into t1 values(1,1);
+insert into t2 values(1,'bob');
+create view v1 as select * from t2 inner join t1 using (empnum);
+select * from v1;
+empnum	name	grp
+1	bob	1
+drop table t1,t2;
+drop view v1;
+create table t1 (pk int primary key, b int);
+create table t2 (pk int primary key, c int);
+select pk from t1 inner join t2 using (pk);
+pk
+drop table t1,t2;
+create table t1 (s1 int, s2 char(5), s3 decimal(10));
+create view v1 as select s1, s2, 'x' as s3 from t1;
+select * from t1 natural join v1;
+s1	s2	s3
+insert into t1 values (1,'x',5);
+select * from t1 natural join v1;
+s1	s2	s3
+Warnings:
+Warning	1292	Truncated incorrect DOUBLE value: 'x'
+drop table t1;
+drop view v1;
+create table t1(a1 int);
+create table t2(a2 int);
+insert into t1 values(1),(2);
+insert into t2 values(1),(2);
+create view v2 (c) as select a1 from t1;
+select * from t1 natural left join t2;
+a1	a2
+1	1
+1	2
+2	1
+2	2
+select * from t1 natural right join t2;
+a2	a1
+1	1
+1	2
+2	1
+2	2
+select * from v2 natural left join t2;
+c	a2
+1	1
+1	2
+2	1
+2	2
+select * from v2 natural right join t2;
+a2	c
+1	1
+1	2
+2	1
+2	2
+drop table t1, t2;
+drop view v2;
+create table t1 (a int(10), t1_val int(10));
+create table t2 (b int(10), t2_val int(10));
+create table t3 (a int(10), b int(10));
+insert into t1 values (1,1),(2,2);
+insert into t2 values (1,1),(2,2),(3,3);
+insert into t3 values (1,1),(2,1),(3,1),(4,1);
+select * from t1 natural join t2 natural join t3;
+a	b	t1_val	t2_val
+1	1	1	1
+2	1	2	1
+select * from t1 natural join t3 natural join t2;
+b	a	t1_val	t2_val
+1	1	1	1
+1	2	2	1
+drop table t1, t2, t3;
+DO IFNULL(NULL, NULL);
+SELECT CAST(IFNULL(NULL, NULL) AS DECIMAL);
+CAST(IFNULL(NULL, NULL) AS DECIMAL)
+NULL
+SELECT ABS(IFNULL(NULL, NULL));
+ABS(IFNULL(NULL, NULL))
+NULL
+SELECT IFNULL(NULL, NULL);
+IFNULL(NULL, NULL)
+NULL
+SET @OLD_SQL_MODE12595=@@SQL_MODE, @@SQL_MODE='';
+SHOW LOCAL VARIABLES LIKE 'SQL_MODE';
+Variable_name	Value
+sql_mode	
+CREATE TABLE BUG_12595(a varchar(100));
+INSERT INTO BUG_12595 VALUES ('hakan%'), ('hakank'), ("ha%an");
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan\%';
+a
+hakan%
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan*%' ESCAPE '*';
+a
+hakan%
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan**%' ESCAPE '**';
+ERROR HY000: Incorrect arguments to ESCAPE
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan%' ESCAPE '';
+a
+hakan%
+hakank
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan\%' ESCAPE '';
+a
+SELECT * FROM BUG_12595 WHERE a LIKE 'ha\%an' ESCAPE 0x5c;
+a
+ha%an
+SELECT * FROM BUG_12595 WHERE a LIKE 'ha%%an' ESCAPE '%';
+a
+ha%an
+SELECT * FROM BUG_12595 WHERE a LIKE 'ha\%an' ESCAPE '\\';
+a
+ha%an
+SELECT * FROM BUG_12595 WHERE a LIKE 'ha|%an' ESCAPE '|';
+a
+ha%an
+SET @@SQL_MODE='NO_BACKSLASH_ESCAPES';
+SHOW LOCAL VARIABLES LIKE 'SQL_MODE';
+Variable_name	Value
+sql_mode	NO_BACKSLASH_ESCAPES
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan\%';
+a
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan*%' ESCAPE '*';
+a
+hakan%
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan**%' ESCAPE '**';
+ERROR HY000: Incorrect arguments to ESCAPE
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan\%' ESCAPE '\\';
+ERROR HY000: Incorrect arguments to ESCAPE
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan%' ESCAPE '';
+ERROR HY000: Incorrect arguments to ESCAPE
+SELECT * FROM BUG_12595 WHERE a LIKE 'ha\%an' ESCAPE 0x5c;
+a
+ha%an
+SELECT * FROM BUG_12595 WHERE a LIKE 'ha|%an' ESCAPE '|';
+a
+ha%an
+SELECT * FROM BUG_12595 WHERE a LIKE 'hakan\n%' ESCAPE '\n';
+ERROR HY000: Incorrect arguments to ESCAPE
+SET @@SQL_MODE=@OLD_SQL_MODE12595;
+DROP TABLE BUG_12595;
+create table t1 (a char(1));
+create table t2 (a char(1));
+insert into t1 values ('a'),('b'),('c');
+insert into t2 values ('b'),('c'),('d');
+select a from t1 natural join t2;
+a
+b
+c
+select * from t1 natural join t2 where a = 'b';
+a
+b
+drop table t1, t2;
+CREATE TABLE t1 (`id` TINYINT);
+CREATE TABLE t2 (`id` TINYINT);
+CREATE TABLE t3 (`id` TINYINT);
+INSERT INTO t1 VALUES (1),(2),(3);
+INSERT INTO t2 VALUES (2);
+INSERT INTO t3 VALUES (3);
+SELECT t1.id,t3.id FROM t1 JOIN t2 ON (t2.id=t1.id) LEFT JOIN t3 USING (id);
+ERROR 23000: Column 'id' in from clause is ambiguous
+SELECT t1.id,t3.id FROM t1 JOIN t2 ON (t2.notacolumn=t1.id) LEFT JOIN t3 USING (id);
+ERROR 23000: Column 'id' in from clause is ambiguous
+SELECT id,t3.id FROM t1 JOIN t2 ON (t2.id=t1.id) LEFT JOIN t3 USING (id);
+ERROR 23000: Column 'id' in from clause is ambiguous
+SELECT id,t3.id FROM (t1 JOIN t2 ON (t2.id=t1.id)) LEFT JOIN t3 USING (id);
+ERROR 23000: Column 'id' in from clause is ambiguous
+drop table t1, t2, t3;
+create table t1 (a int(10),b int(10));
+create table t2 (a int(10),b int(10));
+insert into t1 values (1,10),(2,20),(3,30);
+insert into t2 values (1,10);
+select * from t1 inner join t2 using (A);
+a	b	b
+1	10	10
+select * from t1 inner join t2 using (a);
+a	b	b
+1	10	10
+drop table t1, t2;
+create table t1 (a int, c int);
+create table t2 (b int);
+create table t3 (b int, a int);
+create table t4 (c int);
+insert into t1 values (1,1);
+insert into t2 values (1);
+insert into t3 values (1,1);
+insert into t4 values (1);
+select * from t1 join t2 join t3 on (t2.b = t3.b and t1.a = t3.a);
+a	c	b	b	a
+1	1	1	1	1
+select * from t1, t2 join t3 on (t2.b = t3.b and t1.a = t3.a);
+ERROR 42S22: Unknown column 't1.a' in 'on clause'
+select * from t1 join t2 join t3 join t4 on (t1.a = t4.c and t2.b = t4.c);
+a	c	b	b	a	c
+1	1	1	1	1	1
+select * from t1 join t2 join t4 using (c);
+c	a	b
+1	1	1
+drop table t1, t2, t3, t4;
+create table t1(x int, y int);
+create table t2(x int, y int);
+create table t3(x int, primary key(x));
+insert into t1 values (1, 1), (2, 1), (3, 1), (4, 3), (5, 6), (6, 6);
+insert into t2 values (1, 1), (2, 1), (3, 3), (4, 6), (5, 6);
+insert into t3 values (1), (2), (3), (4), (5);
+select t1.x, t3.x from t1, t2, t3  where t1.x = t2.x and t3.x >= t1.y and t3.x <= t2.y;
+x	x
+1	1
+2	1
+3	1
+3	2
+3	3
+4	3
+4	4
+4	5
+drop table t1,t2,t3;
+create table t1 (id char(16) not null default '', primary key  (id));
+insert into t1 values ('100'),('101'),('102');
+create table t2 (id char(16) default null);
+insert into t2 values (1);
+create view v1 as select t1.id from t1;
+create view v2 as select t2.id from t2;
+create view v3 as select (t1.id+2) as id from t1 natural left join t2;
+select t1.id from t1 left join v2 using (id);
+id
+100
+101
+102
+select t1.id from v2 right join t1 using (id);
+id
+100
+101
+102
+select t1.id from t1 left join v3 using (id);
+id
+100
+101
+102
+select * from t1 left join v2 using (id);
+id
+100
+101
+102
+select * from v2 right join t1 using (id);
+id
+100
+101
+102
+select * from t1 left join v3 using (id);
+id
+100
+101
+102
+select v1.id from v1 left join v2 using (id);
+id
+100
+101
+102
+select v1.id from v2 right join v1 using (id);
+id
+100
+101
+102
+select v1.id from v1 left join v3 using (id);
+id
+100
+101
+102
+select * from v1 left join v2 using (id);
+id
+100
+101
+102
+select * from v2 right join v1 using (id);
+id
+100
+101
+102
+select * from v1 left join v3 using (id);
+id
+100
+101
+102
+drop table t1, t2;
+drop view v1, v2, v3;
+create table t1 (id int(11) not null default '0');
+insert into t1 values (123),(191),(192);
+create table t2 (id char(16) character set utf8 not null);
+insert into t2 values ('58013'),('58014'),('58015'),('58016');
+create table t3 (a_id int(11) not null, b_id char(16) character set utf8);
+insert into t3 values (123,null),(123,null),(123,null),(123,null),(123,null),(123,'58013');
+select count(*)
+from t1 inner join (t3 left join t2 on t2.id = t3.b_id) on t1.id = t3.a_id;
+count(*)
+6
+select count(*)
+from t1 inner join (t2 right join t3 on t2.id = t3.b_id) on t1.id = t3.a_id;
+count(*)
+6
+drop table t1,t2,t3;
+create table t1 (a int);
+create table t2 (b int);
+create table t3 (c int);
+select * from t1 join t2 join t3 on (t1.a=t3.c);
+a	b	c
+select * from t1 join t2 left join t3 on (t1.a=t3.c);
+a	b	c
+select * from t1 join t2 right join t3 on (t1.a=t3.c);
+a	b	c
+select * from t1 join t2 straight_join t3 on (t1.a=t3.c);
+a	b	c
+drop table t1, t2 ,t3;
+create table t1(f1 int, f2 date);
+insert into t1 values(1,'2005-01-01'),(2,'2005-09-01'),(3,'2005-09-30'),
+(4,'2005-10-01'),(5,'2005-12-30');
+select * from t1 where f2 >= 0            order by f2;
+f1	f2
+1	2005-01-01
+2	2005-09-01
+3	2005-09-30
+4	2005-10-01
+5	2005-12-30
+select * from t1 where f2 >= '0000-00-00' order by f2;
+f1	f2
+1	2005-01-01
+2	2005-09-01
+3	2005-09-30
+4	2005-10-01
+5	2005-12-30
+select * from t1 where f2 >= '2005-09-31' order by f2;
+f1	f2
+4	2005-10-01
+5	2005-12-30
+select * from t1 where f2 >= '2005-09-3a' order by f2;
+f1	f2
+3	2005-09-30
+4	2005-10-01
+5	2005-12-30
+Warnings:
+Warning	1292	Incorrect date value: '2005-09-3a' for column 'f2' at row 1
+select * from t1 where f2 <= '2005-09-31' order by f2;
+f1	f2
+1	2005-01-01
+2	2005-09-01
+3	2005-09-30
+select * from t1 where f2 <= '2005-09-3a' order by f2;
+f1	f2
+1	2005-01-01
+2	2005-09-01
+Warnings:
+Warning	1292	Incorrect date value: '2005-09-3a' for column 'f2' at row 1
+drop table t1;
+create table t1 (f1 int, f2 int);
+insert into t1 values (1, 30), (2, 20), (3, 10);
+create algorithm=merge view v1 as select f1, f2 from t1;
+create algorithm=merge view v2 (f2, f1) as select f1, f2 from t1;
+create algorithm=merge view v3 as select t1.f1 as f2, t1.f2 as f1 from t1;
+select t1.f1 as x1, f1 from t1 order by t1.f1;
+x1	f1
+1	1
+2	2
+3	3
+select v1.f1 as x1, f1 from v1 order by v1.f1;
+x1	f1
+1	1
+2	2
+3	3
+select v2.f1 as x1, f1 from v2 order by v2.f1;
+x1	f1
+10	10
+20	20
+30	30
+select v3.f1 as x1, f1 from v3 order by v3.f1;
+x1	f1
+10	10
+20	20
+30	30
+select f1, f2, v1.f1 as x1 from v1 order by v1.f1;
+f1	f2	x1
+1	30	1
+2	20	2
+3	10	3
+select f1, f2, v2.f1 as x1 from v2 order by v2.f1;
+f1	f2	x1
+10	3	10
+20	2	20
+30	1	30
+select f1, f2, v3.f1 as x1 from v3 order by v3.f1;
+f1	f2	x1
+10	3	10
+20	2	20
+30	1	30
+drop table t1;
+drop view v1, v2, v3;
+CREATE TABLE t1(key_a int4 NOT NULL, optimus varchar(32), PRIMARY KEY(key_a));
+CREATE TABLE t2(key_a int4 NOT NULL, prime varchar(32), PRIMARY KEY(key_a));
+CREATE table t3(key_a int4 NOT NULL, key_b int4 NOT NULL, foo varchar(32),
+PRIMARY KEY(key_a,key_b));
+INSERT INTO t1 VALUES (0,'');
+INSERT INTO t1 VALUES (1,'i');
+INSERT INTO t1 VALUES (2,'j');
+INSERT INTO t1 VALUES (3,'k');
+INSERT INTO t2 VALUES (1,'r');
+INSERT INTO t2 VALUES (2,'s');
+INSERT INTO t2 VALUES (3,'t');
+INSERT INTO t3 VALUES (1,5,'x');
+INSERT INTO t3 VALUES (1,6,'y');
+INSERT INTO t3 VALUES (2,5,'xx');
+INSERT INTO t3 VALUES (2,6,'yy');
+INSERT INTO t3 VALUES (2,7,'zz');
+INSERT INTO t3 VALUES (3,5,'xxx');
+SELECT t2.key_a,foo 
+FROM t1 INNER JOIN t2 ON t1.key_a = t2.key_a
+INNER JOIN t3 ON t1.key_a = t3.key_a
+WHERE t2.key_a=2 and key_b=5;
+key_a	foo
+2	xx
+EXPLAIN SELECT t2.key_a,foo 
+FROM t1 INNER JOIN t2 ON t1.key_a = t2.key_a
+INNER JOIN t3 ON t1.key_a = t3.key_a
+WHERE t2.key_a=2 and key_b=5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
+1	SIMPLE	t2	const	PRIMARY	PRIMARY	4	const	1	Using index
+1	SIMPLE	t3	const	PRIMARY	PRIMARY	8	const,const	1	
+SELECT t2.key_a,foo 
+FROM t1 INNER JOIN t2 ON t2.key_a = t1.key_a
+INNER JOIN t3 ON t1.key_a = t3.key_a
+WHERE t2.key_a=2 and key_b=5;
+key_a	foo
+2	xx
+EXPLAIN SELECT t2.key_a,foo 
+FROM t1 INNER JOIN t2 ON t2.key_a = t1.key_a
+INNER JOIN t3 ON t1.key_a = t3.key_a
+WHERE t2.key_a=2 and key_b=5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	Using index
+1	SIMPLE	t2	const	PRIMARY	PRIMARY	4	const	1	Using index
+1	SIMPLE	t3	const	PRIMARY	PRIMARY	8	const,const	1	
+DROP TABLE t1,t2,t3;
+create  table t1 (f1 int);
+insert into t1 values(1),(2);
+create table t2 (f2 int, f3 int, key(f2));
+insert into t2 values(1,1),(2,2);
+create table t3 (f4 int not null);
+insert into t3 values (2),(2),(2);
+select f1,(select count(*) from t2,t3 where f2=f1 and f3=f4) as count from t1;
+f1	count
+1	0
+2	3
+drop table t1,t2,t3;
+create table t1 (f1 int unique);
+create table t2 (f2 int unique);
+create table t3 (f3 int unique);
+insert into t1 values(1),(2);
+insert into t2 values(1),(2);
+insert into t3 values(1),(NULL);
+select * from t3 where f3 is null;
+f3
+NULL
+select t2.f2 from t1 left join t2 on f1=f2 join t3 on f1=f3 where f1=1;
+f2
+1
+drop table t1,t2,t3;
+create table t1(f1 char, f2 char not null);
+insert into t1 values(null,'a');
+create table t2 (f2 char not null);
+insert into t2 values('b');
+select * from t1 left join t2 on f1=t2.f2 where t1.f2='a';
+f1	f2	f2
+NULL	a	NULL
+drop table t1,t2;
+select * from (select * left join t on f1=f2) tt;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'on f1=f2) tt' at line 1
+CREATE TABLE t1 (sku int PRIMARY KEY, pr int);
+CREATE TABLE t2 (sku int PRIMARY KEY, sppr int, name varchar(255));
+INSERT INTO t1 VALUES
+(10, 10), (20, 10), (30, 20), (40, 30), (50, 10), (60, 10);
+INSERT INTO t2 VALUES 
+(10, 10, 'aaa'), (20, 10, 'bbb'), (30, 10, 'ccc'), (40, 20, 'ddd'),
+(50, 10, 'eee'), (60, 20, 'fff'), (70, 20, 'ggg'), (80, 30, 'hhh');
+SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
+FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
+sku	sppr	name	sku	pr
+20	10	bbb	10	10
+20	10	bbb	20	10
+EXPLAIN
+SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
+FROM t2, t1 WHERE t2.sku=20 AND (t2.sku=t1.sku OR t2.sppr=t1.sku);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	Using index condition; Using MRR
+DROP TABLE t1,t2;
+CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
+INSERT t1 SET i = 0;
+UPDATE t1 SET i = -1;
+Warnings:
+Warning	1264	Out of range value for column 'i' at row 1
+SELECT * FROM t1;
+i
+0
+UPDATE t1 SET i = CAST(i - 1 AS SIGNED);
+Warnings:
+Warning	1264	Out of range value for column 'i' at row 1
+SELECT * FROM t1;
+i
+0
+UPDATE t1 SET i = i - 1;
+Warnings:
+Warning	1264	Out of range value for column 'i' at row 1
+SELECT * FROM t1;
+i
+255
+DROP TABLE t1;
+create table t1 (a int);
+insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t2 (a int, b int, c int, e int, primary key(a,b,c));
+insert into t2 select A.a, B.a, C.a, C.a from t1 A, t1 B, t1 C;
+analyze table t2;
+Table	Op	Msg_type	Msg_text
+test.t2	analyze	status	OK
+select 'In next EXPLAIN, B.rows must be exactly 10:' Z;
+Z
+In next EXPLAIN, B.rows must be exactly 10:
+explain select * from t2 A, t2 B where A.a=5 and A.b=5 and A.C<5
+and B.a=5 and B.b=A.e and (B.b =1 or B.b = 3 or B.b=5);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	A	range	PRIMARY	PRIMARY	12	NULL	4	Using index condition; Using where; Using MRR
+1	SIMPLE	B	ref	PRIMARY	PRIMARY	8	const,test.A.e	10	
+drop table t1, t2;
+CREATE TABLE t1 (a int PRIMARY KEY, b int, INDEX(b));
+INSERT INTO t1 VALUES (1, 3), (9,4), (7,5), (4,5), (6,2),
+(3,1), (5,1), (8,9), (2,2), (0,9);
+CREATE TABLE t2 (c int, d int, f int, INDEX(c,f));
+INSERT INTO t2 VALUES
+(1,0,0), (1,0,1), (2,0,0), (2,0,1), (3,0,0), (4,0,1),
+(5,0,0), (5,0,1), (6,0,0), (0,0,1), (7,0,0), (7,0,1),
+(0,0,0), (0,0,1), (8,0,0), (8,0,1), (9,0,0), (9,0,1);
+EXPLAIN
+SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY,b	b	5	NULL	3	Using index condition; Using MRR
+1	SIMPLE	t2	ref	c	c	5	test.t1.a	2	
+EXPLAIN
+SELECT a, c, d, f FROM t1,t2 WHERE a=c AND b BETWEEN 4 AND 6 AND a > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY,b	b	5	NULL	3	Using index condition; Using where; Using MRR
+1	SIMPLE	t2	ref	c	c	5	test.t1.a	2	
+DROP TABLE t1, t2;
+create table t1 (
+a int unsigned    not null auto_increment primary key,
+b bit             not null,
+c bit             not null
+);
+create table t2 (
+a int unsigned    not null auto_increment primary key,
+b bit             not null,
+c int unsigned    not null,
+d varchar(50)
+);
+insert into t1 (b,c) values (0,1), (0,1);
+insert into t2 (b,c) values (0,1);
+select t1.a, t1.b + 0, t1.c + 0, t2.a, t2.b + 0, t2.c, t2.d
+from t1 left outer join t2 on t1.a = t2.c and t2.b <> 1
+where t1.b <> 1 order by t1.a;
+a	t1.b + 0	t1.c + 0	a	t2.b + 0	c	d
+1	0	1	1	0	1	NULL
+2	0	1	NULL	NULL	NULL	NULL
+drop table t1,t2;
+SELECT 0.9888889889 * 1.011111411911;
+0.9888889889 * 1.011111411911
+0.9998769417899202067879
+prepare stmt from 'select 1 as " a "';
+Warnings:
+Warning	1466	Leading spaces are removed from name ' a '
+execute stmt;
+a 
+1
+CREATE TABLE t1 (a int NOT NULL PRIMARY KEY, b int NOT NULL);
+INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4);
+CREATE TABLE t2 (c int NOT NULL, INDEX idx(c));
+INSERT INTO t2 VALUES
+(1), (1), (1), (1), (1), (1), (1), (1),
+(2), (2), (2), (2),
+(3), (3),
+(4);
+EXPLAIN SELECT b FROM t1, t2 WHERE b=c AND a=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	ref	idx	idx	4	const	7	Using index
+EXPLAIN SELECT b FROM t1, t2 WHERE b=c AND a=4;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	ref	idx	idx	4	const	1	Using index
+DROP TABLE t1, t2;
+CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, a int);
+INSERT INTO t1 VALUES (1,2), (2,NULL), (3,2);
+CREATE TABLE t2 (b int, c INT, INDEX idx1(b));
+INSERT INTO t2 VALUES (2,1), (3,2);
+CREATE TABLE t3 (d int,  e int, INDEX idx1(d));
+INSERT INTO t3 VALUES (2,10), (2,20), (1,30), (2,40), (2,50);
+EXPLAIN
+SELECT * FROM t1 LEFT JOIN t2 ON t2.b=t1.a INNER JOIN t3 ON t3.d=t1.id
+WHERE t1.id=2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	const	idx1	NULL	NULL	NULL	1	
+1	SIMPLE	t3	ref	idx1	idx1	5	const	3	
+SELECT * FROM t1 LEFT JOIN t2 ON t2.b=t1.a INNER JOIN t3 ON t3.d=t1.id
+WHERE t1.id=2;
+id	a	b	c	d	e
+2	NULL	NULL	NULL	2	10
+2	NULL	NULL	NULL	2	20
+2	NULL	NULL	NULL	2	40
+2	NULL	NULL	NULL	2	50
+DROP TABLE t1,t2,t3;
+create table t1 (c1 varchar(1), c2 int, c3 int, c4 int, c5 int, c6 int,
+c7 int, c8 int, c9 int, fulltext key (`c1`));
+select distinct match (`c1`) against ('z') , c2, c3, c4,c5, c6,c7, c8 
+from t1 where c9=1 order by c2, c2;
+match (`c1`) against ('z')	c2	c3	c4	c5	c6	c7	c8
+drop table t1;
+CREATE TABLE t1 (pk varchar(10) PRIMARY KEY, fk varchar(16));
+CREATE TABLE t2 (pk varchar(16) PRIMARY KEY, fk varchar(10));
+INSERT INTO t1 VALUES
+('d','dddd'), ('i','iii'), ('a','aa'), ('b','bb'), ('g','gg'), 
+('e','eee'), ('c','cccc'), ('h','hhh'), ('j','jjj'), ('f','fff');
+INSERT INTO t2 VALUES
+('jjj', 'j'), ('cc','c'), ('ccc','c'), ('aaa', 'a'), ('jjjj','j'),
+('hhh','h'), ('gg','g'), ('fff','f'), ('ee','e'), ('ffff','f'),
+('bbb','b'), ('ff','f'), ('cccc','c'), ('dddd','d'), ('jj','j'),
+('aaaa','a'), ('bb','b'), ('eeee','e'), ('aa','a'), ('hh','h');
+EXPLAIN SELECT t2.* 
+FROM t1 JOIN t2 ON t2.fk=t1.pk
+WHERE t2.fk < 'c' AND t2.pk=t1.fk;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	12	NULL	3	Using index condition; Using MRR
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	18	test.t1.fk	1	Using where
+EXPLAIN SELECT t2.* 
+FROM t1 JOIN t2 ON t2.fk=t1.pk 
+WHERE t2.fk BETWEEN 'a' AND 'b' AND t2.pk=t1.fk;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	12	NULL	2	Using index condition; Using MRR
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	18	test.t1.fk	1	Using where
+EXPLAIN SELECT t2.* 
+FROM t1 JOIN t2 ON t2.fk=t1.pk 
+WHERE t2.fk IN ('a','b') AND t2.pk=t1.fk;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	12	NULL	2	Using index condition; Using MRR
+1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	18	test.t1.fk	1	Using where
+DROP TABLE t1,t2;
+CREATE TABLE t1 (a int, b varchar(20) NOT NULL, PRIMARY KEY(a));
+CREATE TABLE t2 (a int, b varchar(20) NOT NULL,
+PRIMARY KEY (a), UNIQUE KEY (b));
+INSERT INTO t1 VALUES (1,'a'),(2,'b'),(3,'c');
+INSERT INTO t2 VALUES (1,'a'),(2,'b'),(3,'c');
+EXPLAIN SELECT t1.a FROM t1 LEFT JOIN t2 ON t2.b=t1.b WHERE t1.a=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+DROP TABLE t1,t2;
+CREATE TABLE t1(id int PRIMARY KEY, b int, e int);
+CREATE TABLE t2(i int, a int, INDEX si(i), INDEX ai(a));
+CREATE TABLE t3(a int PRIMARY KEY, c char(4), INDEX ci(c));
+INSERT INTO t1 VALUES 
+(1,10,19), (2,20,22), (4,41,42), (9,93,95), (7, 77,79),
+(6,63,67), (5,55,58), (3,38,39), (8,81,89);
+INSERT INTO t2 VALUES
+(21,210), (41,410), (82,820), (83,830), (84,840),
+(65,650), (51,510), (37,370), (94,940), (76,760),
+(22,220), (33,330), (40,400), (95,950), (38,380),
+(67,670), (88,880), (57,570), (96,960), (97,970);
+INSERT INTO t3 VALUES
+(210,'bb'), (950,'ii'), (400,'ab'), (500,'ee'), (220,'gg'),
+(440,'gg'), (310,'eg'), (380,'ee'), (840,'bb'), (830,'ff'),
+(230,'aa'), (960,'ii'), (410,'aa'), (510,'ee'), (290,'bb'),
+(450,'gg'), (320,'dd'), (390,'hh'), (850,'jj'), (860,'ff');
+EXPLAIN
+SELECT t3.a FROM t1,t2 FORCE INDEX (si),t3
+WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND 
+t3.a=t2.a AND t3.c IN ('bb','ee');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	range	si	si	5	NULL	4	Using index condition; Using MRR
+1	SIMPLE	t3	eq_ref	PRIMARY,ci	PRIMARY	4	test.t2.a	1	Using where
+EXPLAIN
+SELECT t3.a FROM t1,t2,t3
+WHERE t1.id = 8 AND t2.i BETWEEN t1.b AND t1.e AND
+t3.a=t2.a AND t3.c IN ('bb','ee') ;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	range	si,ai	si	5	NULL	4	Using index condition; Using MRR
+1	SIMPLE	t3	eq_ref	PRIMARY,ci	PRIMARY	4	test.t2.a	1	Using where
+EXPLAIN 
+SELECT t3.a FROM t1,t2 FORCE INDEX (si),t3
+WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
+t3.c IN ('bb','ee');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	range	si	si	5	NULL	2	Using index condition; Using MRR
+1	SIMPLE	t3	eq_ref	PRIMARY,ci	PRIMARY	4	test.t2.a	1	Using where
+EXPLAIN 
+SELECT t3.a FROM t1,t2,t3
+WHERE t1.id = 8 AND (t2.i=t1.b OR t2.i=t1.e) AND t3.a=t2.a AND
+t3.c IN ('bb','ee');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t2	range	si,ai	si	5	NULL	2	Using index condition; Using MRR
+1	SIMPLE	t3	eq_ref	PRIMARY,ci	PRIMARY	4	test.t2.a	1	Using where
+DROP TABLE t1,t2,t3;
+CREATE TABLE t1 ( f1 int primary key, f2 int, f3 int, f4 int, f5 int, f6 int, checked_out int);
+CREATE TABLE t2 ( f11 int PRIMARY KEY );
+INSERT INTO t1 VALUES (1,1,1,0,0,0,0),(2,1,1,3,8,1,0),(3,1,1,4,12,1,0);
+INSERT INTO t2 VALUES (62);
+SELECT * FROM t1 LEFT JOIN t2 ON f11 = t1.checked_out GROUP BY f1 ORDER BY f2, f3, f4, f5 LIMIT 0, 1;
+f1	f2	f3	f4	f5	f6	checked_out	f11
+1	1	1	0	0	0	0	NULL
+DROP TABLE t1, t2;
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1(a int);
+INSERT into t1 values (1), (2), (3);
+SELECT * FROM t1 LIMIT 2, -1;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-1' at line 1
+DROP TABLE t1;
+CREATE TABLE t1 (
+ID_with_null int NULL,
+ID_better int NOT NULL,
+INDEX idx1 (ID_with_null),
+INDEX idx2 (ID_better)
+);
+INSERT INTO t1 VALUES (1,1), (2,1), (null,3), (null,3), (null,3), (null,3);
+INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID_with_null IS NULL;
+SELECT COUNT(*) FROM t1 WHERE ID_with_null IS NULL;
+COUNT(*)
+128
+SELECT COUNT(*) FROM t1 WHERE ID_better=1;
+COUNT(*)
+2
+EXPLAIN SELECT * FROM t1 WHERE ID_better=1 AND ID_with_null IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+DROP INDEX idx1 ON t1;
+CREATE UNIQUE INDEX idx1 ON t1(ID_with_null);
+EXPLAIN SELECT * FROM t1 WHERE ID_better=1 AND ID_with_null IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+DROP TABLE t1;
+CREATE TABLE t1 (
+ID1_with_null int NULL,
+ID2_with_null int NULL,
+ID_better int NOT NULL,
+INDEX idx1 (ID1_with_null, ID2_with_null),
+INDEX idx2 (ID_better)
+);
+INSERT INTO t1 VALUES (1,1,1), (2,2,1), (3,null,3), (null,3,3), (null,null,3),
+(3,null,3), (null,3,3), (null,null,3), (3,null,3), (null,3,3), (null,null,3);
+INSERT INTO t1 SELECT * FROM t1 WHERE ID1_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID2_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID1_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID2_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID1_with_null IS NULL;
+INSERT INTO t1 SELECT * FROM t1 WHERE ID2_with_null IS NULL;
+SELECT COUNT(*) FROM t1 WHERE ID1_with_null IS NULL AND ID2_with_null=3;
+COUNT(*)
+24
+SELECT COUNT(*) FROM t1 WHERE ID1_with_null=3 AND ID2_with_null IS NULL;
+COUNT(*)
+24
+SELECT COUNT(*) FROM t1 WHERE ID1_with_null IS NULL AND ID2_with_null IS NULL;
+COUNT(*)
+192
+SELECT COUNT(*) FROM t1 WHERE ID_better=1;
+COUNT(*)
+2
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null=3 ;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null=3 AND ID2_with_null=3 IS NULL ;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+DROP INDEX idx1 ON t1;
+CREATE UNIQUE INDEX idx1 ON t1(ID1_with_null,ID2_with_null);
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null=3 ;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null=3 AND ID2_with_null IS NULL ;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null IS NULL AND ID2_with_null IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+EXPLAIN SELECT * FROM t1
+WHERE ID_better=1 AND ID1_with_null IS NULL AND 
+(ID2_with_null=1 OR ID2_with_null=2);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	idx1,idx2	idx2	4	const	1	Using where
+DROP TABLE t1;
+CREATE TABLE t1 (a INT, ts TIMESTAMP, KEY ts(ts));
+INSERT INTO t1 VALUES (30,"2006-01-03 23:00:00"), (31,"2006-01-03 23:00:00");
+ANALYZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	OK
+CREATE TABLE t2 (a INT, dt1 DATETIME, dt2 DATETIME, PRIMARY KEY (a));
+INSERT INTO t2 VALUES (30, "2006-01-01 00:00:00", "2999-12-31 00:00:00");
+INSERT INTO t2 SELECT a+1,dt1,dt2 FROM t2;
+ANALYZE TABLE t2;
+Table	Op	Msg_type	Msg_text
+test.t2	analyze	status	OK
+EXPLAIN
+SELECT * FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=30
+AND t1.ts BETWEEN t2.dt1 AND t2.dt2
+AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	const	PRIMARY	PRIMARY	4	const	1	
+1	SIMPLE	t1	range	ts	ts	4	NULL	1	Using index condition; Using where; Using MRR
+Warnings:
+Warning	1292	Incorrect datetime value: '2999-12-31 00:00:00' for column 'ts' at row 1
+SELECT * FROM t1 LEFT JOIN t2 ON (t1.a=t2.a) WHERE t1.a=30
+AND t1.ts BETWEEN t2.dt1 AND t2.dt2
+AND t1.ts BETWEEN "2006-01-01" AND "2006-12-31";
+a	ts	a	dt1	dt2
+30	2006-01-03 23:00:00	30	2006-01-01 00:00:00	2999-12-31 00:00:00
+Warnings:
+Warning	1292	Incorrect datetime value: '2999-12-31 00:00:00' for column 'ts' at row 1
+DROP TABLE t1,t2;
+create table t1 (a bigint unsigned);
+insert into t1 values
+(if(1, 9223372036854775808, 1)),
+(case when 1 then 9223372036854775808 else 1 end),
+(coalesce(9223372036854775808, 1));
+select * from t1;
+a
+9223372036854775808
+9223372036854775808
+9223372036854775808
+drop table t1;
+create table t1 select
+if(1, 9223372036854775808, 1) i,
+case when 1 then 9223372036854775808 else 1 end c,
+coalesce(9223372036854775808, 1) co;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` decimal(19,0) NOT NULL DEFAULT '0',
+  `c` decimal(19,0) NOT NULL DEFAULT '0',
+  `co` decimal(19,0) NOT NULL DEFAULT '0'
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+drop table t1;
+select 
+if(1, cast(1111111111111111111 as unsigned), 1) i,
+case when 1 then cast(1111111111111111111 as unsigned) else 1 end c,
+coalesce(cast(1111111111111111111 as unsigned), 1) co;
+i	c	co
+1111111111111111111	1111111111111111111	1111111111111111111
+CREATE TABLE t1 (name varchar(255));
+CREATE TABLE t2 (name varchar(255), n int, KEY (name(3)));
+INSERT INTO t1 VALUES ('ccc'), ('bb'), ('cc '), ('aa  '), ('aa');
+INSERT INTO t2 VALUES ('bb',1), ('aa',2), ('cc   ',3);
+INSERT INTO t2 VALUES (concat('cc ', 0x06), 4);
+INSERT INTO t2 VALUES ('cc',5), ('bb ',6), ('cc ',7);
+SELECT * FROM t2;
+name	n
+bb	1
+aa	2
+cc   	3
+cc 	4
+cc	5
+bb 	6
+cc 	7
+SELECT * FROM t2 ORDER BY name;
+name	n
+aa	2
+bb	1
+bb 	6
+cc 	4
+cc   	3
+cc	5
+cc 	7
+SELECT name, LENGTH(name), n FROM t2 ORDER BY name;
+name	LENGTH(name)	n
+aa	2	2
+bb	2	1
+bb 	3	6
+cc 	4	4
+cc   	5	3
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	name	name	6	const	3	Using where
+SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
+name	LENGTH(name)	n
+cc   	5	3
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	name	name	6	NULL	3	Using where
+SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
+name	LENGTH(name)	n
+cc   	5	3
+cc 	4	4
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	name	name	6	NULL	3	Using where; Using filesort
+SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
+name	LENGTH(name)	n
+cc 	4	4
+cc   	5	3
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
+1	SIMPLE	t2	ref	name	name	6	test.t1.name	2	Using where
+SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
+name	name	n
+ccc	NULL	NULL
+bb	bb	1
+bb	bb 	6
+cc 	cc   	3
+cc 	cc	5
+cc 	cc 	7
+aa  	aa	2
+aa	aa	2
+DROP TABLE t1,t2;
+CREATE TABLE t1 (name text);
+CREATE TABLE t2 (name text, n int, KEY (name(3)));
+INSERT INTO t1 VALUES ('ccc'), ('bb'), ('cc '), ('aa  '), ('aa');
+INSERT INTO t2 VALUES ('bb',1), ('aa',2), ('cc   ',3);
+INSERT INTO t2 VALUES (concat('cc ', 0x06), 4);
+INSERT INTO t2 VALUES ('cc',5), ('bb ',6), ('cc ',7);
+SELECT * FROM t2;
+name	n
+bb	1
+aa	2
+cc   	3
+cc 	4
+cc	5
+bb 	6
+cc 	7
+SELECT * FROM t2 ORDER BY name;
+name	n
+aa	2
+bb	1
+bb 	6
+cc 	4
+cc   	3
+cc	5
+cc 	7
+SELECT name, LENGTH(name), n FROM t2 ORDER BY name;
+name	LENGTH(name)	n
+aa	2	2
+bb	2	1
+bb 	3	6
+cc 	4	4
+cc   	5	3
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	ref	name	name	6	const	3	Using where
+SELECT name, LENGTH(name), n FROM t2 WHERE name='cc ';
+name	LENGTH(name)	n
+cc   	5	3
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	name	name	6	NULL	3	Using where
+SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%';
+name	LENGTH(name)	n
+cc   	5	3
+cc 	4	4
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	name	name	6	NULL	3	Using where; Using filesort
+SELECT name , LENGTH(name), n FROM t2 WHERE name LIKE 'cc%' ORDER BY name;
+name	LENGTH(name)	n
+cc 	4	4
+cc   	5	3
+cc	2	5
+cc 	3	7
+EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	
+1	SIMPLE	t2	ref	name	name	6	test.t1.name	2	Using where
+SELECT * FROM t1 LEFT JOIN t2 ON t1.name=t2.name;
+name	name	n
+ccc	NULL	NULL
+bb	bb	1
+bb	bb 	6
+cc 	cc   	3
+cc 	cc	5
+cc 	cc 	7
+aa  	aa	2
+aa	aa	2
+DROP TABLE t1,t2;
+CREATE TABLE t1 (
+access_id int NOT NULL default '0',
+name varchar(20) default NULL,
+rank int NOT NULL default '0',
+KEY idx (access_id)
+);
+CREATE TABLE t2 (
+faq_group_id int NOT NULL default '0',
+faq_id int NOT NULL default '0',
+access_id int default NULL,
+UNIQUE KEY idx1 (faq_id),
+KEY idx2 (faq_group_id,faq_id)
+);
+INSERT INTO t1 VALUES 
+(1,'Everyone',2),(2,'Help',3),(3,'Technical Support',1),(4,'Chat User',4);
+INSERT INTO t2 VALUES
+(261,265,1),(490,494,1);
+SELECT t2.faq_id 
+FROM t1 INNER JOIN t2 IGNORE INDEX (idx1)
+ON (t1.access_id = t2.access_id)
+LEFT JOIN t2 t
+ON (t.faq_group_id = t2.faq_group_id AND
+find_in_set(t.access_id, '1,4') < find_in_set(t2.access_id, '1,4'))
+WHERE
+t2.access_id IN (1,4) AND t.access_id IS NULL AND t2.faq_id in (265);
+faq_id
+265
+SELECT t2.faq_id 
+FROM t1 INNER JOIN t2
+ON (t1.access_id = t2.access_id)
+LEFT JOIN t2 t
+ON (t.faq_group_id = t2.faq_group_id AND
+find_in_set(t.access_id, '1,4') < find_in_set(t2.access_id, '1,4'))
+WHERE
+t2.access_id IN (1,4) AND t.access_id IS NULL AND t2.faq_id in (265);
+faq_id
+265
+DROP TABLE t1,t2;
+CREATE TABLE t1 (a INT, b INT, KEY inx (b,a));
+INSERT INTO t1 VALUES (1,1), (1,2), (1,3), (1,4), (1,5), (1, 6), (1,7);
+EXPLAIN SELECT COUNT(*) FROM t1 f1 INNER JOIN t1 f2
+ON ( f1.b=f2.b AND f1.a<f2.a ) 
+WHERE 1 AND f1.b NOT IN (100,2232,3343,51111);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	f1	index	inx	inx	10	NULL	7	Using where; Using index
+1	SIMPLE	f2	ref	inx	inx	5	test.f1.b	1	Using where; Using index
+DROP TABLE t1;
+CREATE TABLE t1 (c1 INT, c2 INT);
+INSERT INTO t1 VALUES (1,11), (2,22), (2,22);
+EXPLAIN SELECT c1 FROM t1 WHERE (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT COUNT(c2)))))))))))))))))))))))))))))))) > 0;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
+31	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+32	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+EXPLAIN SELECT c1 FROM t1 WHERE (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT COUNT(c2))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) > 0;
+ERROR HY000: Too high level of nesting for select
+DROP TABLE t1;
+CREATE TABLE t1 (
+c1 int(11) NOT NULL AUTO_INCREMENT,
+c2 varchar(1000) DEFAULT NULL,
+c3 bigint(20) DEFAULT NULL,
+c4 bigint(20) DEFAULT NULL,
+PRIMARY KEY (c1)
+);
+EXPLAIN EXTENDED 
+SELECT  join_2.c1  
+FROM 
+t1 AS join_0, 
+t1 AS join_1, 
+t1 AS join_2, 
+t1 AS join_3, 
+t1 AS join_4, 
+t1 AS join_5, 
+t1 AS join_6, 
+t1 AS join_7
+WHERE 
+join_0.c1=join_1.c1  AND 
+join_1.c1=join_2.c1  AND 
+join_2.c1=join_3.c1  AND 
+join_3.c1=join_4.c1  AND 
+join_4.c1=join_5.c1  AND 
+join_5.c1=join_6.c1  AND 
+join_6.c1=join_7.c1 
+OR 
+join_0.c2 < '?'  AND 
+join_1.c2 < '?'  AND
+join_2.c2 > '?'  AND
+join_2.c2 < '!'  AND
+join_3.c2 > '?'  AND 
+join_4.c2 = '?'  AND 
+join_5.c2 <> '?' AND
+join_6.c2 <> '?' AND 
+join_7.c2 >= '?' AND
+join_0.c1=join_1.c1  AND 
+join_1.c1=join_2.c1  AND 
+join_2.c1=join_3.c1  AND
+join_3.c1=join_4.c1  AND 
+join_4.c1=join_5.c1  AND 
+join_5.c1=join_6.c1  AND 
+join_6.c1=join_7.c1
+GROUP BY 
+join_3.c1,
+join_2.c1,
+join_7.c1,
+join_1.c1,
+join_0.c1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+Warnings:
+Note	1003	select NULL AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by NULL,NULL,NULL,NULL,NULL
+SHOW WARNINGS;
+Level	Code	Message
+Note	1003	select NULL AS `c1` from `test`.`t1` `join_0` join `test`.`t1` `join_1` join `test`.`t1` `join_2` join `test`.`t1` `join_3` join `test`.`t1` `join_4` join `test`.`t1` `join_5` join `test`.`t1` `join_6` join `test`.`t1` `join_7` where 0 group by NULL,NULL,NULL,NULL,NULL
+DROP TABLE t1;
+SELECT 1 AS ` `;
+
+1
+Warnings:
+Warning	1474	Name ' ' has become ''
+SELECT 1 AS `  `;
+
+1
+Warnings:
+Warning	1474	Name '  ' has become ''
+SELECT 1 AS ` x`;
+x
+1
+Warnings:
+Warning	1466	Leading spaces are removed from name ' x'
+CREATE VIEW v1 AS SELECT 1 AS ``;
+ERROR 42000: Incorrect column name ''
+CREATE VIEW v1 AS SELECT 1 AS ` `;
+ERROR 42000: Incorrect column name ' '
+CREATE VIEW v1 AS SELECT 1 AS `  `;
+ERROR 42000: Incorrect column name '  '
+CREATE VIEW v1 AS SELECT (SELECT 1 AS `  `);
+ERROR 42000: Incorrect column name '  '
+CREATE VIEW v1 AS SELECT 1 AS ` x`;
+Warnings:
+Warning	1466	Leading spaces are removed from name ' x'
+SELECT `x` FROM v1;
+x
+1
+ALTER VIEW v1 AS SELECT 1 AS ` `;
+ERROR 42000: Incorrect column name ' '
+DROP VIEW v1;
+select str_to_date('2007-10-09','%Y-%m-%d') between '2007/10/01 00:00:00 GMT'
+                                                and '2007/10/20 00:00:00 GMT';
+str_to_date('2007-10-09','%Y-%m-%d') between '2007/10/01 00:00:00 GMT'
+                                                and '2007/10/20 00:00:00 GMT'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007/10/01 00:00:00 GMT'
+Warning	1292	Truncated incorrect datetime value: '2007/10/20 00:00:00 GMT'
+select str_to_date('2007-10-09','%Y-%m-%d') > '2007/10/01 00:00:00 GMT-6';
+str_to_date('2007-10-09','%Y-%m-%d') > '2007/10/01 00:00:00 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect date value: '2007/10/01 00:00:00 GMT-6'
+select str_to_date('2007-10-09','%Y-%m-%d') <= '2007/10/2000:00:00 GMT-6';
+str_to_date('2007-10-09','%Y-%m-%d') <= '2007/10/2000:00:00 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect date value: '2007/10/2000:00:00 GMT-6'
+select str_to_date('2007-10-01','%Y-%m-%d') = '2007-10-1 00:00:00 GMT-6';
+str_to_date('2007-10-01','%Y-%m-%d') = '2007-10-1 00:00:00 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect date value: '2007-10-1 00:00:00 GMT-6'
+select str_to_date('2007-10-01','%Y-%m-%d') = '2007-10-01 x00:00:00 GMT-6';
+str_to_date('2007-10-01','%Y-%m-%d') = '2007-10-01 x00:00:00 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect date value: '2007-10-01 x00:00:00 GMT-6'
+select str_to_date('2007-10-01','%Y-%m-%d %H:%i:%s') = '2007-10-01 00:00:00 GMT-6';
+str_to_date('2007-10-01','%Y-%m-%d %H:%i:%s') = '2007-10-01 00:00:00 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-01 00:00:00 GMT-6'
+select str_to_date('2007-10-01','%Y-%m-%d %H:%i:%s') = '2007-10-01 00:x00:00 GMT-6';
+str_to_date('2007-10-01','%Y-%m-%d %H:%i:%s') = '2007-10-01 00:x00:00 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-01 00:x00:00 GMT-6'
+select str_to_date('2007-10-01','%Y-%m-%d %H:%i:%s') = '2007-10-01 x12:34:56 GMT-6';
+str_to_date('2007-10-01','%Y-%m-%d %H:%i:%s') = '2007-10-01 x12:34:56 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-01 x12:34:56 GMT-6'
+select str_to_date('2007-10-01 12:34:00','%Y-%m-%d %H:%i:%s') = '2007-10-01 12:34x:56 GMT-6';
+str_to_date('2007-10-01 12:34:00','%Y-%m-%d %H:%i:%s') = '2007-10-01 12:34x:56 GMT-6'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-01 12:34x:56 GMT-6'
+select str_to_date('2007-10-01 12:34:56','%Y-%m-%d %H:%i:%s') = '2007-10-01 12:34x:56 GMT-6';
+str_to_date('2007-10-01 12:34:56','%Y-%m-%d %H:%i:%s') = '2007-10-01 12:34x:56 GMT-6'
+0
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-01 12:34x:56 GMT-6'
+select str_to_date('2007-10-01 12:34:56','%Y-%m-%d %H:%i:%s') = '2007-10-01 12:34:56';
+str_to_date('2007-10-01 12:34:56','%Y-%m-%d %H:%i:%s') = '2007-10-01 12:34:56'
+1
+select str_to_date('2007-10-01','%Y-%m-%d') = '2007-10-01 12:00:00';
+str_to_date('2007-10-01','%Y-%m-%d') = '2007-10-01 12:00:00'
+0
+select str_to_date('2007-10-01 12','%Y-%m-%d %H') = '2007-10-01 12:00:00';
+str_to_date('2007-10-01 12','%Y-%m-%d %H') = '2007-10-01 12:00:00'
+1
+select str_to_date('2007-10-01 12:34','%Y-%m-%d %H') = '2007-10-01 12:00:00';
+str_to_date('2007-10-01 12:34','%Y-%m-%d %H') = '2007-10-01 12:00:00'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-01 12:34'
+select str_to_date('2007-02-30 12:34','%Y-%m-%d %H:%i') = '2007-02-30 12:34';
+str_to_date('2007-02-30 12:34','%Y-%m-%d %H:%i') = '2007-02-30 12:34'
+1
+select str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '2007-10-00 12:34';
+str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '2007-10-00 12:34'
+1
+select str_to_date('2007-10-00','%Y-%m-%d') between '2007/09/01 00:00:00'
+                                                and '2007/10/20 00:00:00';
+str_to_date('2007-10-00','%Y-%m-%d') between '2007/09/01 00:00:00'
+                                                and '2007/10/20 00:00:00'
+1
+set SQL_MODE=TRADITIONAL;
+select str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '2007-10-00 12:34';
+str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '2007-10-00 12:34'
+0
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-00 12:34'
+select str_to_date('2007-10-01 12:34','%Y-%m-%d %H:%i') = '2007-10-00 12:34';
+str_to_date('2007-10-01 12:34','%Y-%m-%d %H:%i') = '2007-10-00 12:34'
+0
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-00 12:34'
+select str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '2007-10-01 12:34';
+str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '2007-10-01 12:34'
+0
+Warnings:
+Warning	1292	Truncated incorrect datetime value: '2007-10-00 12:34:00'
+select str_to_date('2007-10-00','%Y-%m-%d') between '2007/09/01'
+                                                and '2007/10/20';
+str_to_date('2007-10-00','%Y-%m-%d') between '2007/09/01'
+                                                and '2007/10/20'
+0
+Warnings:
+Warning	1292	Incorrect datetime value: '2007-10-00' for column '2007/09/01' at row 1
+Warning	1292	Incorrect datetime value: '2007-10-00' for column '2007/10/20' at row 1
+set SQL_MODE=DEFAULT;
+select str_to_date('2007-10-00','%Y-%m-%d') between '' and '2007/10/20';
+str_to_date('2007-10-00','%Y-%m-%d') between '' and '2007/10/20'
+1
+Warnings:
+Warning	1292	Truncated incorrect datetime value: ''
+select str_to_date('','%Y-%m-%d') between '2007/10/01' and '2007/10/20';
+str_to_date('','%Y-%m-%d') between '2007/10/01' and '2007/10/20'
+0
+select str_to_date('','%Y-%m-%d %H:%i') = '2007-10-01 12:34';
+str_to_date('','%Y-%m-%d %H:%i') = '2007-10-01 12:34'
+0
+select str_to_date(NULL,'%Y-%m-%d %H:%i') = '2007-10-01 12:34';
+str_to_date(NULL,'%Y-%m-%d %H:%i') = '2007-10-01 12:34'
+NULL
+select str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = '';
+str_to_date('2007-10-00 12:34','%Y-%m-%d %H:%i') = ''
+0
+Warnings:
+Warning	1292	Truncated incorrect datetime value: ''
+select str_to_date('1','%Y-%m-%d') = '1';
+str_to_date('1','%Y-%m-%d') = '1'
+0
+Warnings:
+Warning	1292	Truncated incorrect date value: '1'
+select str_to_date('1','%Y-%m-%d') = '1';
+str_to_date('1','%Y-%m-%d') = '1'
+0
+Warnings:
+Warning	1292	Truncated incorrect date value: '1'
+select str_to_date('','%Y-%m-%d') = '';
+str_to_date('','%Y-%m-%d') = ''
+0
+Warnings:
+Warning	1292	Truncated incorrect date value: ''
+select str_to_date('1000-01-01','%Y-%m-%d') between '0000-00-00' and NULL;
+str_to_date('1000-01-01','%Y-%m-%d') between '0000-00-00' and NULL
+0
+select str_to_date('1000-01-01','%Y-%m-%d') between NULL and '2000-00-00';
+str_to_date('1000-01-01','%Y-%m-%d') between NULL and '2000-00-00'
+0
+select str_to_date('1000-01-01','%Y-%m-%d') between NULL and NULL;
+str_to_date('1000-01-01','%Y-%m-%d') between NULL and NULL
+0
+CREATE TABLE t1 (c11 INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY);
+CREATE TABLE t2 (c21 INT UNSIGNED NOT NULL, 
+c22 INT DEFAULT NULL, 
+KEY(c21, c22));
+CREATE TABLE t3 (c31 INT UNSIGNED NOT NULL DEFAULT 0, 
+c32 INT DEFAULT NULL, 
+c33 INT NOT NULL, 
+c34 INT UNSIGNED DEFAULT 0,
+KEY (c33, c34, c32));
+INSERT INTO t1 values (),(),(),(),();
+INSERT INTO t2 SELECT a.c11, b.c11 FROM t1 a, t1 b;
+INSERT INTO t3 VALUES (1, 1, 1, 0), 
+(2, 2, 0, 0), 
+(3, 3, 1, 0), 
+(4, 4, 0, 0), 
+(5, 5, 1, 0);
+SELECT c32 FROM t1, t2, t3 WHERE t1.c11 IN (1, 3, 5) AND 
+t3.c31 = t1.c11 AND t2.c21 = t1.c11 AND 
+t3.c33 = 1 AND t2.c22 in (1, 3) 
+ORDER BY c32;
+c32
+1
+1
+3
+3
+5
+5
+SELECT c32 FROM t1, t2, t3 WHERE t1.c11 IN (1, 3, 5) AND 
+t3.c31 = t1.c11 AND t2.c21 = t1.c11 AND 
+t3.c33 = 1 AND t2.c22 in (1, 3) 
+ORDER BY c32 DESC;
+c32
+5
+5
+3
+3
+1
+1
+DROP TABLE t1, t2, t3;
+
+#
+# Bug#30736: Row Size Too Large Error Creating a Table and
+# Inserting Data.
+#
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+
+CREATE TABLE t1(
+c1 DECIMAL(10, 2),
+c2 FLOAT);
+
+INSERT INTO t1 VALUES (0, 1), (2, 3), (4, 5);
+
+CREATE TABLE t2(
+c3 DECIMAL(10, 2))
+SELECT
+c1 * c2 AS c3
+FROM t1;
+
+SELECT * FROM t1;
+c1	c2
+0.00	1
+2.00	3
+4.00	5
+
+SELECT * FROM t2;
+c3
+0.00
+6.00
+20.00
+
+DROP TABLE t1;
+DROP TABLE t2;
+
+CREATE TABLE t1 (c1 BIGINT NOT NULL);
+INSERT INTO t1 (c1) VALUES (1);
+SELECT * FROM t1 WHERE c1 > NULL + 1;
+c1
+DROP TABLE t1;
+
+CREATE TABLE t1 (a VARCHAR(10) NOT NULL PRIMARY KEY);
+INSERT INTO t1 (a) VALUES ('foo0'), ('bar0'), ('baz0');
+SELECT * FROM t1 WHERE a IN (CONCAT('foo', 0), 'bar');
+a
+foo0
+DROP TABLE t1;
+CREATE TABLE t1 (a INT, b INT);
+CREATE TABLE t2 (a INT, c INT, KEY(a));
+INSERT INTO t1 VALUES (1, 1), (2, 2);
+INSERT INTO t2 VALUES (1, 1), (1, 2), (1, 3), (1, 4), (1, 5),
+(2, 1), (2, 2), (2, 3), (2, 4), (2, 5),
+(3, 1), (3, 2), (3, 3), (3, 4), (3, 5),
+(4, 1), (4, 2), (4, 3), (4, 4), (4, 5);
+FLUSH STATUS;
+SELECT DISTINCT b FROM t1 LEFT JOIN t2 USING(a) WHERE c <= 3;
+b
+1
+2
+SHOW STATUS LIKE 'Handler_read%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	2
+Handler_read_next	0
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_next	6
+DROP TABLE t1, t2;
+CREATE TABLE t1 (f1 bigint(20) NOT NULL default '0',
+f2 int(11) NOT NULL default '0',
+f3 bigint(20) NOT NULL default '0',
+f4 varchar(255) NOT NULL default '',
+PRIMARY KEY (f1),
+KEY key1 (f4),
+KEY key2 (f2));
+CREATE TABLE t2 (f1 int(11) NOT NULL default '0',
+f2 enum('A1','A2','A3') NOT NULL default 'A1',
+f3 int(11) NOT NULL default '0',
+PRIMARY KEY (f1),
+KEY key1 (f3));
+CREATE TABLE t3 (f1 bigint(20) NOT NULL default '0',
+f2 datetime NOT NULL default '1980-01-01 00:00:00',
+PRIMARY KEY (f1));
+insert into t1 values (1, 1, 1, 'abc');
+insert into t1 values (2, 1, 2, 'def');
+insert into t1 values (3, 1, 2, 'def');
+insert into t2 values (1, 'A1', 1);
+insert into t3 values (1, '1980-01-01');
+SELECT a.f3, cr.f4, count(*) count
+FROM t2 a
+STRAIGHT_JOIN t1 cr ON cr.f2 = a.f1
+LEFT JOIN
+(t1 cr2
+JOIN t3 ae2 ON cr2.f3 = ae2.f1
+) ON a.f1 = cr2.f2 AND ae2.f2 < now() - INTERVAL 7 DAY AND
+cr.f4 = cr2.f4
+GROUP BY a.f3, cr.f4;
+f3	f4	count
+1	abc	1
+1	def	2
+drop table t1, t2, t3;
+CREATE TABLE t1 (a INT KEY, b INT);
+INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4);
+EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND a = b LIMIT 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	3	100.00	Using index condition; Using where; Using MRR
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`b` = `test`.`t1`.`a`) and (`test`.`t1`.`a` > 1)) limit 2
+EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND b = a LIMIT 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	3	100.00	Using index condition; Using where; Using MRR
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where ((`test`.`t1`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` > 1)) limit 2
+DROP TABLE t1;
+#
+# Bug#47019: Assertion failed: 0, file .\rt_mbr.c, line 138 when 
+# forcing a spatial index
+#
+CREATE TABLE t1(a LINESTRING NOT NULL, SPATIAL KEY(a));
+INSERT INTO t1 VALUES
+(GEOMFROMTEXT('LINESTRING(-1 -1, 1 -1, -1 -1, -1 1, 1 1)')),
+(GEOMFROMTEXT('LINESTRING(-1 -1, 1 -1, -1 -1, -1 1, 1 1)'));
+EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	SIMPLE	t2	ALL	a	NULL	NULL	NULL	2	Using where
+SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2;
+1
+1
+1
+1
+1
+EXPLAIN SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
+1	SIMPLE	t2	ALL	a	NULL	NULL	NULL	2	Using where
+SELECT 1 FROM t1 NATURAL LEFT JOIN t1 AS t2 FORCE INDEX(a);
+1
+1
+1
+1
+1
+DROP TABLE t1;
+#
+# Bug #48291 : crash with row() operator,select into @var, and 
+#   subquery returning multiple rows
+#
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES (2),(3);
+# Should not crash
+SELECT 1 FROM t1 WHERE a <> 1 AND NOT
+ROW(a,a) <=> ROW((SELECT 1 FROM t1 WHERE 1=2),(SELECT 1 FROM t1))
+INTO @var0;
+ERROR 21000: Subquery returns more than 1 row
+DROP TABLE t1;
+#
+# Bug #48458: simple query tries to allocate enormous amount of
+#   memory
+#
+CREATE TABLE t1(a INT NOT NULL, b YEAR);
+INSERT INTO t1 VALUES ();
+Warnings:
+Warning	1364	Field 'a' doesn't have a default value
+CREATE TABLE t2(c INT);
+# Should not err out because of out-of-memory
+SELECT 1 FROM t2 JOIN t1 ON 1=1
+WHERE a != '1' AND NOT a >= b OR NOT ROW(b,a )<> ROW(a,a);
+1
+DROP TABLE t1,t2;
+#
+# Bug #49199: Optimizer handles incorrectly: 
+# field='const1' AND field='const2' in some cases
+
+CREATE TABLE t1(a DATETIME NOT NULL);
+INSERT INTO t1 VALUES('2001-01-01');
+SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
+a
+2001-01-01 00:00:00
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '2001-01-01 00:00:00' AS `a` from `test`.`t1` where 1
+DROP TABLE t1;
+CREATE TABLE t1(a DATE NOT NULL);
+INSERT INTO t1 VALUES('2001-01-01');
+SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
+a
+2001-01-01
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '2001-01-01' AS `a` from `test`.`t1` where 1
+DROP TABLE t1;
+CREATE TABLE t1(a TIMESTAMP NOT NULL);
+INSERT INTO t1 VALUES('2001-01-01');
+SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
+a
+2001-01-01 00:00:00
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '2001-01-01 00:00:00' AS `a` from `test`.`t1` where 1
+DROP TABLE t1;
+CREATE TABLE t1(a DATETIME NOT NULL, b DATE NOT NULL);
+INSERT INTO t1 VALUES('2001-01-01', '2001-01-01');
+SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
+a	b
+2001-01-01 00:00:00	2001-01-01
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '2001-01-01 00:00:00' AS `a`,'2001-01-01' AS `b` from `test`.`t1` where 1
+DROP TABLE t1;
+CREATE TABLE t1(a DATETIME NOT NULL, b VARCHAR(20) NOT NULL);
+INSERT INTO t1 VALUES('2001-01-01', '2001-01-01');
+SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
+a	b
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+Warnings:
+Note	1003	select '2001-01-01 00:00:00' AS `a`,'2001-01-01' AS `b` from `test`.`t1` where 0
+SELECT * FROM t1 WHERE a='2001-01-01 00:00:00' AND a=b AND b='2001-01-01';
+a	b
+2001-01-01 00:00:00	2001-01-01
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01 00:00:00' AND a=b AND b='2001-01-01';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '2001-01-01 00:00:00' AS `a`,'2001-01-01' AS `b` from `test`.`t1` where 1
+DROP TABLE t1;
+CREATE TABLE t1(a DATETIME NOT NULL, b DATE NOT NULL);
+INSERT INTO t1 VALUES('2001-01-01', '2001-01-01');
+SELECT x.a, y.a, z.a FROM t1 x 
+JOIN t1 y ON x.a=y.a 
+JOIN t1 z ON y.a=z.a 
+WHERE x.a='2001-01-01' AND z.a='2001-01-01 00:00:00';
+a	a	a
+2001-01-01 00:00:00	2001-01-01 00:00:00	2001-01-01 00:00:00
+EXPLAIN EXTENDED SELECT x.a, y.a, z.a FROM t1 x 
+JOIN t1 y ON x.a=y.a 
+JOIN t1 z ON y.a=z.a 
+WHERE x.a='2001-01-01' AND z.a='2001-01-01 00:00:00';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	x	system	NULL	NULL	NULL	NULL	1	100.00	
+1	SIMPLE	y	system	NULL	NULL	NULL	NULL	1	100.00	
+1	SIMPLE	z	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '2001-01-01 00:00:00' AS `a`,'2001-01-01 00:00:00' AS `a`,'2001-01-01 00:00:00' AS `a` from `test`.`t1` `x` join `test`.`t1` `y` join `test`.`t1` `z` where 1
+DROP TABLE t1;
+#
+# Bug #49897: crash in ptr_compare when char(0) NOT NULL 
+# column is used for ORDER BY
+#
+SET @old_sort_buffer_size= @@session.sort_buffer_size;
+SET @@sort_buffer_size= 40000;
+CREATE TABLE t1(a CHAR(0) NOT NULL);
+INSERT INTO t1 VALUES (0), (0), (0);
+INSERT INTO t1 SELECT t11.a FROM t1 t11, t1 t12;
+INSERT INTO t1 SELECT t11.a FROM t1 t11, t1 t12;
+INSERT INTO t1 SELECT t11.a FROM t1 t11, t1 t12;
+EXPLAIN SELECT a FROM t1 ORDER BY a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	24492	
+SELECT a FROM t1 ORDER BY a;
+DROP TABLE t1;
+CREATE TABLE t1(a CHAR(0) NOT NULL, b CHAR(0) NOT NULL, c int);
+INSERT INTO t1 VALUES (0, 0, 0), (0, 0, 2), (0, 0, 1);
+INSERT INTO t1 SELECT t11.a, t11.b, t11.c FROM t1 t11, t1 t12;
+INSERT INTO t1 SELECT t11.a, t11.b, t11.c FROM t1 t11, t1 t12;
+INSERT INTO t1 SELECT t11.a, t11.b, t11.c FROM t1 t11, t1 t12;
+EXPLAIN SELECT a FROM t1 ORDER BY a LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	24492	
+SELECT a FROM t1 ORDER BY a LIMIT 5;
+a
+
+
+
+
+
+EXPLAIN SELECT * FROM t1 ORDER BY a, b LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	24492	
+SELECT * FROM t1 ORDER BY a, b LIMIT 5;
+a	b	c
+		0
+		2
+		1
+		0
+		2
+EXPLAIN SELECT * FROM t1 ORDER BY a, b, c LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	24492	Using filesort
+SELECT * FROM t1 ORDER BY a, b, c LIMIT 5;
+a	b	c
+		0
+		0
+		0
+		0
+		0
+EXPLAIN SELECT * FROM t1 ORDER BY c, a LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	24492	Using filesort
+SELECT * FROM t1 ORDER BY c, a LIMIT 5;
+a	b	c
+		0
+		0
+		0
+		0
+		0
+SET @@sort_buffer_size= @old_sort_buffer_size;
+DROP TABLE t1;
+End of 5.0 tests
+create table t1(a INT, KEY (a));
+INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
+SELECT a FROM t1 ORDER BY a LIMIT 2;
+a
+1
+2
+SELECT a FROM t1 ORDER BY a LIMIT 2,4294967296;
+a
+3
+4
+5
+SELECT a FROM t1 ORDER BY a LIMIT 2,4294967297;
+a
+3
+4
+5
+DROP TABLE t1;
+CREATE TABLE A (date_key date);
+CREATE TABLE C (
+pk int,
+int_nokey int,
+int_key int,
+date_key date NOT NULL,
+date_nokey date,
+varchar_key varchar(1)
+);
+INSERT INTO C VALUES 
+(1,1,1,'0000-00-00',NULL,NULL),
+(1,1,1,'0000-00-00',NULL,NULL);
+SELECT 1 FROM C WHERE pk > ANY (SELECT 1 FROM C);
+1
+SELECT COUNT(DISTINCT 1) FROM C 
+WHERE date_key = (SELECT 1 FROM A WHERE C.date_key IS NULL) GROUP BY pk;
+COUNT(DISTINCT 1)
+SELECT date_nokey FROM C 
+WHERE int_key IN (SELECT 1 FROM A) 
+HAVING date_nokey = '10:41:7' 
+ORDER BY date_key;
+date_nokey
+Warnings:
+Warning	1292	Incorrect date value: '10:41:7' for column 'date_nokey' at row 1
+DROP TABLE A,C;
+CREATE TABLE t1 (a INT NOT NULL, b INT);
+INSERT INTO t1 VALUES (1, 1);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '1' AS `a`,'1' AS `b` from `test`.`t1` where 1
+SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
+a	b
+1	1
+DROP TABLE t1;
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1003	select NULL AS `a`,NULL AS `b`,NULL AS `c` from `test`.`t1` where 1
+DROP TABLE t1;
+#
+# Bug#45266: Uninitialized variable lead to an empty result.
+#
+drop table if exists A,AA,B,BB;
+CREATE TABLE `A` (
+`pk` int(11) NOT NULL AUTO_INCREMENT,
+`date_key` date NOT NULL,
+`date_nokey` date NOT NULL,
+`datetime_key` datetime NOT NULL,
+`int_nokey` int(11) NOT NULL,
+`time_key` time NOT NULL,
+`time_nokey` time NOT NULL,
+PRIMARY KEY (`pk`),
+KEY `date_key` (`date_key`),
+KEY `time_key` (`time_key`),
+KEY `datetime_key` (`datetime_key`)
+);
+CREATE TABLE `AA` (
+`pk` int(11) NOT NULL AUTO_INCREMENT,
+`int_nokey` int(11) NOT NULL,
+`time_key` time NOT NULL,
+KEY `time_key` (`time_key`),
+PRIMARY KEY (`pk`)
+);
+CREATE TABLE `B` (
+`date_nokey` date NOT NULL,
+`date_key` date NOT NULL,
+`time_key` time NOT NULL,
+`datetime_nokey` datetime NOT NULL,
+`varchar_key` varchar(1) NOT NULL,
+KEY `date_key` (`date_key`),
+KEY `time_key` (`time_key`),
+KEY `varchar_key` (`varchar_key`)
+);
+INSERT INTO `B` VALUES ('2003-07-28','2003-07-28','15:13:38','0000-00-00 00:00:00','f'),('0000-00-00','0000-00-00','00:05:48','2004-07-02 14:34:13','x');
+CREATE TABLE `BB` (
+`pk` int(11) NOT NULL AUTO_INCREMENT,
+`int_nokey` int(11) NOT NULL,
+`date_key` date NOT NULL,
+`varchar_nokey` varchar(1) NOT NULL,
+`date_nokey` date NOT NULL,
+PRIMARY KEY (`pk`),
+KEY `date_key` (`date_key`)
+);
+INSERT INTO `BB` VALUES (10,8,'0000-00-00','i','0000-00-00'),(11,0,'2005-08-18','','2005-08-18');
+SELECT table1 . `pk` AS field1 
+FROM 
+(BB AS table1 INNER JOIN 
+(AA AS table2 STRAIGHT_JOIN A AS table3 
+ON ( table3 . `date_key` = table2 . `pk` ))
+ON ( table3 . `datetime_key` = table2 . `int_nokey` ))
+WHERE  ( table3 . `date_key` <= 4 AND table2 . `pk` = table1 . `varchar_nokey`)
+GROUP BY field1 ;
+field1
+SELECT table3 .`date_key` field1
+FROM
+B table1 LEFT JOIN B table3 JOIN
+(BB table6 JOIN A table7 ON table6 .`varchar_nokey`)
+ON table6 .`int_nokey` ON table6 .`date_key`
+  WHERE  NOT ( table1 .`varchar_key`  AND table7 .`pk`) GROUP  BY field1;
+field1
+NULL
+SELECT table4 . `time_nokey` AS field1 FROM 
+(AA AS table1 CROSS JOIN 
+(AA AS table2 STRAIGHT_JOIN 
+(B AS table3 STRAIGHT_JOIN A AS table4 
+ON ( table4 . `date_key` = table3 . `time_key` ))
+ON ( table4 . `pk` = table3 . `date_nokey` ))
+ON ( table4 . `time_key` = table3 . `datetime_nokey` ))
+WHERE  ( table4 . `time_key` < table1 . `time_key` AND
+table1 . `int_nokey` != 'f')
+GROUP BY field1  ORDER BY field1 , field1;
+field1
+SELECT table1 .`time_key` field2  FROM B table1  LEFT JOIN  BB JOIN A table5 ON table5 .`date_nokey`  ON table5 .`int_nokey` GROUP  BY field2;
+field2
+00:05:48
+15:13:38
+drop table A,AA,B,BB;
+#end of test for bug#45266
+# 
+# BUG#48052: Valgrind warning - uninitialized value in init_read_record()
+# 
+CREATE TABLE t1 (
+pk int(11) NOT NULL,
+i int(11) DEFAULT NULL,
+v varchar(1) DEFAULT NULL,
+PRIMARY KEY (pk)
+);
+INSERT INTO t1 VALUES (2,7,'m');
+INSERT INTO t1 VALUES (3,9,'m');
+SELECT  v
+FROM t1
+WHERE NOT pk > 0  
+HAVING v <= 't' 
+ORDER BY pk;
+v
+DROP TABLE t1;
+#
+# Bug#49489 Uninitialized cache led to a wrong result.
+#
+CREATE TABLE t1(c1 DOUBLE(5,4));
+INSERT INTO t1 VALUES (9.1234);
+SELECT * FROM t1 WHERE c1 < 9.12345;
+c1
+9.1234
+DROP TABLE t1;
+# End of test for bug#49489.
+#
+# Bug #49517: Inconsistent behavior while using 
+# NULLable BIGINT and INT columns in comparison
+#
+CREATE TABLE t1(a BIGINT UNSIGNED NOT NULL, b BIGINT NULL, c INT NULL);
+INSERT INTO t1 VALUES(105, NULL, NULL);
+SELECT * FROM t1 WHERE b < 102;
+a	b	c
+SELECT * FROM t1 WHERE c < 102;
+a	b	c
+SELECT * FROM t1 WHERE 102 < b;
+a	b	c
+SELECT * FROM t1 WHERE 102 < c;
+a	b	c
+DROP TABLE t1;
+End of 5.1 tests
diff --git a/mysql-test/r/show_check.result b/mysql-test/r/show_check.result
index 7a70e439841..4da176aa1a6 100644
--- a/mysql-test/r/show_check.result
+++ b/mysql-test/r/show_check.result
@@ -1293,7 +1293,7 @@ drop database mysqltest;
 show full plugin;
 show warnings;
 Level	Code	Message
-Warning	1287	The syntax 'SHOW PLUGIN' is deprecated and will be removed in MySQL 6.0. Please use 'SHOW PLUGINS' instead
+Warning	1287	'SHOW PLUGIN' is deprecated and will be removed in a future release. Please use 'SHOW PLUGINS' instead
 show plugin;
 show plugins;
 create database `mysqlttest\1`;
diff --git a/mysql-test/r/skip_name_resolve.result b/mysql-test/r/skip_name_resolve.result
index 8aa9877a8e9..1d92d52110d 100644
--- a/mysql-test/r/skip_name_resolve.result
+++ b/mysql-test/r/skip_name_resolve.result
@@ -9,3 +9,30 @@ SELECT USER();
 USER()
 #
 SHOW PROCESSLIST;
+#
+# Bug #37168: Missing variable - skip_name_resolve
+#
+SHOW VARIABLES LIKE 'skip_name_resolve';
+Variable_name	Value
+skip_name_resolve	ON
+SHOW GLOBAL VARIABLES LIKE 'skip_name_resolve';
+Variable_name	Value
+skip_name_resolve	ON
+SHOW SESSION VARIABLES LIKE 'skip_name_resolve';
+Variable_name	Value
+skip_name_resolve	ON
+SELECT @@skip_name_resolve;
+@@skip_name_resolve
+1
+SELECT @@LOCAL.skip_name_resolve;
+ERROR HY000: Variable 'skip_name_resolve' is a GLOBAL variable
+SELECT @@GLOBAL.skip_name_resolve;
+@@GLOBAL.skip_name_resolve
+1
+SET @@skip_name_resolve=0;
+ERROR HY000: Variable 'skip_name_resolve' is a read only variable
+SET @@LOCAL.skip_name_resolve=0;
+ERROR HY000: Variable 'skip_name_resolve' is a read only variable
+SET @@GLOBAL.skip_name_resolve=0;
+ERROR HY000: Variable 'skip_name_resolve' is a read only variable
+End of 5.1 tests
diff --git a/mysql-test/r/sp-bugs.result b/mysql-test/r/sp-bugs.result
index 14c5311bbe5..2374b433fba 100644
--- a/mysql-test/r/sp-bugs.result
+++ b/mysql-test/r/sp-bugs.result
@@ -44,4 +44,33 @@ SELECT f2 ();
 f2 ()
 NULL
 DROP SCHEMA testdb;
+USE test;
+#
+# Bug#50423: Crash on second call of a procedure dropping a trigger
+#
+DROP TABLE IF EXISTS t1;
+DROP TRIGGER IF EXISTS tr1;
+DROP PROCEDURE IF EXISTS p1;
+CREATE TABLE t1 (f1 INTEGER);
+CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1;
+CREATE PROCEDURE p1 () DROP TRIGGER tr1;
+CALL p1 ();
+CALL p1 ();
+ERROR HY000: Trigger does not exist
+DROP TABLE t1;
+DROP PROCEDURE p1;
+#
+# Bug#50423: Crash on second call of a procedure dropping a trigger
+#
+DROP TABLE IF EXISTS t1;
+DROP TRIGGER IF EXISTS tr1;
+DROP PROCEDURE IF EXISTS p1;
+CREATE TABLE t1 (f1 INTEGER);
+CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1;
+CREATE PROCEDURE p1 () DROP TRIGGER tr1;
+CALL p1 ();
+CALL p1 ();
+ERROR HY000: Trigger does not exist
+DROP TABLE t1;
+DROP PROCEDURE p1;
 End of 5.1 tests
diff --git a/mysql-test/r/sp-error.result b/mysql-test/r/sp-error.result
index b3968ea7eb6..ec2ba5747c3 100644
--- a/mysql-test/r/sp-error.result
+++ b/mysql-test/r/sp-error.result
@@ -1643,7 +1643,7 @@ create table t1 (a int) type=MyISAM;
 drop table t1;
 end|
 Warnings:
-Warning	1287	The syntax 'TYPE=storage_engine' is deprecated and will be removed in MySQL 6.0. Please use 'ENGINE=storage_engine' instead
+Warning	1287	'TYPE=storage_engine' is deprecated and will be removed in a future release. Please use 'ENGINE=storage_engine' instead
 call p1();
 call p1();
 drop procedure p1;
diff --git a/mysql-test/r/sp.result b/mysql-test/r/sp.result
index a5392879408..9370b63e847 100644
--- a/mysql-test/r/sp.result
+++ b/mysql-test/r/sp.result
@@ -4304,10 +4304,10 @@ call bug13012()|
 Table	Op	Msg_type	Msg_text
 test.t1	repair	status	OK
 Table	Op	Msg_type	Msg_text
-test.t1	backup	Warning	The syntax 'BACKUP TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t1	backup	Warning	'BACKUP TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t1	backup	status	OK
 Table	Op	Msg_type	Msg_text
-test.t1	restore	Warning	The syntax 'RESTORE TABLE' is deprecated and will be removed in MySQL 6.0. Please use MySQL Administrator (mysqldump, mysql) instead
+test.t1	restore	Warning	'RESTORE TABLE' is deprecated and will be removed in a future release. Please use MySQL Administrator (mysqldump, mysql) instead
 test.t1	restore	status	OK
 drop procedure bug13012|
 create view v1 as select * from t1|
@@ -6940,9 +6940,8 @@ create procedure p() begin end;
 call p();
 select @@sql_mode;
 @@sql_mode
-REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,?,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH
+REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,IGNORE_BAD_TABLE_OPTIONS,ONLY_FULL_GROUP_BY,NO_UNSIGNED_SUBTRACTION,NO_DIR_IN_CREATE,POSTGRESQL,ORACLE,MSSQL,DB2,MAXDB,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,MYSQL323,MYSQL40,ANSI,NO_AUTO_VALUE_ON_ZERO,NO_BACKSLASH_ESCAPES,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ALLOW_INVALID_DATES,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,HIGH_NOT_PRECEDENCE,NO_ENGINE_SUBSTITUTION,PAD_CHAR_TO_FULL_LENGTH
 set @@sql_mode= @old_mode;
-select replace(@full_mode, '?', 'NOT_USED') into @full_mode;
 select replace(@full_mode, 'ALLOW_INVALID_DATES', 'INVALID_DATES') into @full_mode;
 select name from mysql.proc where name = 'p' and sql_mode = @full_mode;
 name
diff --git a/mysql-test/r/sp_notembedded.result b/mysql-test/r/sp_notembedded.result
index af73d637590..880531f4b47 100644
--- a/mysql-test/r/sp_notembedded.result
+++ b/mysql-test/r/sp_notembedded.result
@@ -191,6 +191,8 @@ max_updates, max_connections, max_user_connections)
 VALUES('%', 'mysqltest_1', password(''), 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', 'N', 'N', 'N',
 'N', 'N', 'N', 'Y', 'Y', 'N', 'N', 'Y', 'Y', 'N', 'N', 'N', 'N', 'N', 'Y', 'Y', 'N', '',
 '', '', '', '0', '0', '0', '0');
+Warnings:
+Warning	1364	Field 'auth_string' doesn't have a default value
 FLUSH PRIVILEGES;
 CREATE PROCEDURE p1(i INT) BEGIN END;
 DROP PROCEDURE p1;
@@ -216,6 +218,17 @@ SELECT RELEASE_LOCK('Bug44521');
 RELEASE_LOCK('Bug44521')
 1
 DROP PROCEDURE p;
+CREATE TABLE t1(a int);
+INSERT INTO t1 VALUES (1);
+CREATE FUNCTION f1 (inp TEXT) RETURNS INT NO SQL RETURN sleep(60);
+CREATE VIEW v1 AS SELECT f1('a') FROM t1;
+SELECT * FROM v1;;
+SELECT * FROM v1;
+ERROR 70100: Query execution was interrupted
+ERROR 70100: Query execution was interrupted
+DROP VIEW v1;
+DROP TABLE t1;
+DROP FUNCTION f1;
 # ------------------------------------------------------------------
 # -- End of 5.1 tests
 # ------------------------------------------------------------------
diff --git a/mysql-test/r/sp_trans.result b/mysql-test/r/sp_trans.result
index 3cc251bc0a6..a64f53efde7 100644
--- a/mysql-test/r/sp_trans.result
+++ b/mysql-test/r/sp_trans.result
@@ -535,7 +535,7 @@ use db_bug7787|
 CREATE PROCEDURE p1()
 SHOW INNODB STATUS; |
 Warnings:
-Warning	1287	The syntax 'SHOW INNODB STATUS' is deprecated and will be removed in MySQL 6.0. Please use 'SHOW ENGINE INNODB STATUS' instead
+Warning	1287	'SHOW INNODB STATUS' is deprecated and will be removed in a future release. Please use 'SHOW ENGINE INNODB STATUS' instead
 GRANT EXECUTE ON PROCEDURE p1 TO user_bug7787@localhost|
 DROP DATABASE db_bug7787|
 drop user user_bug7787@localhost|
diff --git a/mysql-test/r/status_user.result b/mysql-test/r/status_user.result
index afd736927aa..a39f0819c58 100644
--- a/mysql-test/r/status_user.result
+++ b/mysql-test/r/status_user.result
@@ -67,7 +67,7 @@ set @save_general_log=@@global.general_log;
 set @@global.general_log=0;
 set @@global.userstat=1;
 flush status;
-create table t1 (a int, primary key (a), b int default 0) engine=myisam;
+create table t1 (a int, primary key (a), b int default 0) engine=innodb;
 insert into t1 (a) values (1),(2),(3),(4);
 update t1 set b=1;
 update t1 set b=5 where a=2;
@@ -96,10 +96,10 @@ Rows_read	6
 Rows_sent	1
 show status like "ha%";
 Variable_name	Value
-Handler_commit	10
+Handler_commit	19
 Handler_delete	1
 Handler_discover	0
-Handler_prepare	10
+Handler_prepare	18
 Handler_read_first	0
 Handler_read_key	3
 Handler_read_next	0
@@ -127,20 +127,40 @@ test	t1	6	13	13
 show index_statistics;
 Table_schema	Table_name	Index_name	Rows_read
 test	t1	PRIMARY	2
-select TOTAL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT,
-ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS,
-UPDATE_COMMANDS, OTHER_COMMANDS, COMMIT_TRANSACTIONS,
-ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS,
-ACCESS_DENIED, EMPTY_QUERIES from information_schema.client_statistics;
-TOTAL_CONNECTIONS	CONCURRENT_CONNECTIONS	ROWS_READ	ROWS_SENT	ROWS_DELETED	ROWS_INSERTED	ROWS_UPDATED	SELECT_COMMANDS	UPDATE_COMMANDS	OTHER_COMMANDS	COMMIT_TRANSACTIONS	ROLLBACK_TRANSACTIONS	DENIED_CONNECTIONS	LOST_CONNECTIONS	ACCESS_DENIED	EMPTY_QUERIES
-1	0	6	2	1	8	5	3	11	9	10	2	0	0	0	1
-select TOTAL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT,
-ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS,
-UPDATE_COMMANDS, OTHER_COMMANDS, COMMIT_TRANSACTIONS,
-ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS,
-ACCESS_DENIED, EMPTY_QUERIES from information_schema.user_statistics;
-TOTAL_CONNECTIONS	CONCURRENT_CONNECTIONS	ROWS_READ	ROWS_SENT	ROWS_DELETED	ROWS_INSERTED	ROWS_UPDATED	SELECT_COMMANDS	UPDATE_COMMANDS	OTHER_COMMANDS	COMMIT_TRANSACTIONS	ROLLBACK_TRANSACTIONS	DENIED_CONNECTIONS	LOST_CONNECTIONS	ACCESS_DENIED	EMPTY_QUERIES
-1	0	6	2	1	8	5	3	11	9	10	2	0	0	0	1
+select TOTAL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT, ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS, UPDATE_COMMANDS, OTHER_COMMANDS, COMMIT_TRANSACTIONS, ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS, ACCESS_DENIED, EMPTY_QUERIES from information_schema.client_statistics;;
+TOTAL_CONNECTIONS	1
+CONCURRENT_CONNECTIONS	0
+ROWS_READ	6
+ROWS_SENT	2
+ROWS_DELETED	1
+ROWS_INSERTED	8
+ROWS_UPDATED	5
+SELECT_COMMANDS	3
+UPDATE_COMMANDS	11
+OTHER_COMMANDS	7
+COMMIT_TRANSACTIONS	19
+ROLLBACK_TRANSACTIONS	2
+DENIED_CONNECTIONS	0
+LOST_CONNECTIONS	0
+ACCESS_DENIED	0
+EMPTY_QUERIES	1
+select TOTAL_CONNECTIONS, CONCURRENT_CONNECTIONS, ROWS_READ, ROWS_SENT, ROWS_DELETED, ROWS_INSERTED, ROWS_UPDATED, SELECT_COMMANDS, UPDATE_COMMANDS, OTHER_COMMANDS, COMMIT_TRANSACTIONS, ROLLBACK_TRANSACTIONS, DENIED_CONNECTIONS, LOST_CONNECTIONS, ACCESS_DENIED, EMPTY_QUERIES from information_schema.user_statistics;;
+TOTAL_CONNECTIONS	1
+CONCURRENT_CONNECTIONS	0
+ROWS_READ	6
+ROWS_SENT	2
+ROWS_DELETED	1
+ROWS_INSERTED	8
+ROWS_UPDATED	5
+SELECT_COMMANDS	3
+UPDATE_COMMANDS	11
+OTHER_COMMANDS	7
+COMMIT_TRANSACTIONS	19
+ROLLBACK_TRANSACTIONS	2
+DENIED_CONNECTIONS	0
+LOST_CONNECTIONS	0
+ACCESS_DENIED	0
+EMPTY_QUERIES	1
 flush table_statistics;
 flush index_statistics;
 select * from information_schema.index_statistics;
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index 8802f8d6aa2..afa305a0e00 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -34,7 +34,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 NULL	UNION RESULT	<union3,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
 Note	1249	Select 2 was reduced during optimization
-Note	1003	select (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
+Note	1003	select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
 ERROR 42S22: Reference 'a' not supported (forward reference in item list)
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -52,7 +52,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1' AS `a`) = 1)
+Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1') = 1)
 SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
 1
 1
@@ -189,7 +189,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	
 NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` AS `a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) AS `max(t2.a)*4` from `test`.`t2`)) order by `a`)
+Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) from `test`.`t2`)) order by `a`)
 select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
 (select a from t3 where a<t2.a*4 order by 1 desc limit 1)	a
 3	1
@@ -205,7 +205,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using filesort
 Warnings:
-Note	1003	select (select `test`.`t3`.`a` AS `a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
+Note	1003	select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
 select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
 a
 2
@@ -226,7 +226,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) AS `min(t3.a)` from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
+Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
 select * from t3 where exists (select * from t2 where t2.b=t3.a);
 a
 7
@@ -316,7 +316,7 @@ NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL
 Warnings:
 Note	1276	Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
 Note	1276	Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select (select '2' AS `a` from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` AS `a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
+Note	1003	select (select '2' from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
 select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
 ERROR 21000: Subquery returns more than 1 row
 create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -334,7 +334,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t7	eq_ref	PRIMARY	PRIMARY	4	test.t6.clinic_uq	1	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 AS `Not_used` from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
+Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
 select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
 ERROR 23000: Column 'a' in field list is ambiguous
 drop table t1,t2,t3;
@@ -369,7 +369,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	SUBQUERY	t8	const	PRIMARY	PRIMARY	37	const	1	100.00	
 3	SUBQUERY	t8	const	PRIMARY	PRIMARY	37		1	100.00	Using index
 Warnings:
-Note	1003	select 'joce' AS `pseudo`,(select 'test' AS `email` from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
+Note	1003	select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
 SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
 t8 WHERE pseudo='joce');
 ERROR 21000: Operand should contain 1 column(s)
@@ -401,7 +401,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	SUBQUERY	t1	index	NULL	PRIMARY	43	NULL	2	100.00	Using where; Using index
 Warnings:
-Note	1003	select (select distinct `test`.`t1`.`date` AS `date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
+Note	1003	select (select distinct `test`.`t1`.`date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
 SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
 date
 2002-08-03
@@ -745,7 +745,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `1` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 AS `3` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
+Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
 id
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -908,7 +908,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref_or_null	a	a	5	func	2	100.00	Using index
 2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
 drop table t1,t2,t3;
 create table t1 (a float);
 select 10.5 IN (SELECT * from t1 LIMIT 1);
@@ -1020,19 +1020,19 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select rand() AS `RAND()` from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
+Note	1003	select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select encrypt('test') AS `ENCRYPT('test')` from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
+Note	1003	select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select benchmark(1,1) AS `BENCHMARK(1,1)` from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
+Note	1003	select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
 drop table t1;
 CREATE TABLE `t1` (
 `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1127,7 +1127,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 3	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() AS `rand()` from `test`.`t1` limit 1) AS `(select rand() from t1 limit 1)` from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
 drop table t1;
 select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country  where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
 ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1181,7 +1181,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 INSERT INTO t1 (pseudo) VALUES ('test1');
 SELECT 0 IN (SELECT 1 FROM t1 a);
 0 IN (SELECT 1 FROM t1 a)
@@ -1191,7 +1191,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 drop table t1;
 CREATE TABLE `t1` (
 `i` int(11) NOT NULL default '0',
@@ -1236,7 +1236,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ref	salary	salary	5	const	1	100.00	Using index condition
 2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 Warnings:
-Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) AS `MAX(salary)` from `test`.`t1`))
+Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
 drop table t1;
 CREATE TABLE t1 (
 ID int(10) unsigned NOT NULL auto_increment,
@@ -1502,7 +1502,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`)))
 select * from t3 where a >= some (select b from t2);
 a
 explain extended select * from t3 where a >= some (select b from t2);
@@ -1510,7 +1510,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`)))
 select * from t3 where a >= all (select b from t2 group by 1);
 a
 6
@@ -1521,7 +1521,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where a >= some (select b from t2 group by 1);
 a
 explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1529,7 +1529,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where NULL >= any (select b from t2);
 a
 explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1572,7 +1572,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	4	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) AS `max(b)` from `test`.`t2` group by `test`.`t2`.`a`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`)))
 drop table t2, t3;
 CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY  (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
 INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1749,7 +1749,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	eq_ref	PRIMARY	PRIMARY	4	test.tt.id	1	100.00	Using where; Using index
 Warnings:
 Note	1276	Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` AS `id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
+Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
 insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
 create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
 insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2285,7 +2285,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 AS `Not_used` from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
+Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
 drop table t1;
 CREATE TABLE t1 (t1_a int);
 INSERT INTO t1 VALUES (1);
@@ -2826,7 +2826,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
@@ -2838,7 +2838,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 DROP TABLE t1,t2;
 CREATE TABLE t1 (a char(5), b char(5));
 INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@@ -4325,13 +4325,13 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 AS `1` from `test`.`t1` group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 from `test`.`t1` group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
 EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 AS `1` from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
 DROP TABLE t1;
 #
 # Bug#45061: Incorrectly market field caused wrong result.
@@ -4818,4 +4818,105 @@ FROM t1,t1 a
 );
 1
 DROP TABLE t1;
+#
+# Bug #45989 take 2 : memory leak after explain encounters an 
+# error in the query
+#
+CREATE TABLE t1(a LONGTEXT);
+INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
+INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));
+EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
+(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
+WHERE t1.a = d1.a;
+ERROR 42S22: Unknown column 'd1.a' in 'where clause'
+DROP TABLE t1;
 End of 5.1 tests.
+Set up test tables.
+CREATE TABLE t1 (
+t1_id INT UNSIGNED,
+PRIMARY KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t1 (t1_id) VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 SELECT * FROM t1;
+CREATE TABLE t3 (
+t3_id INT UNSIGNED AUTO_INCREMENT,
+t1_id INT UNSIGNED,
+amount DECIMAL(16,2),
+PRIMARY KEY(t3_id),
+KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t3 (t1_id, t3_id, amount) 
+VALUES (1, 1, 100.00), (2, 2, 200.00), (4, 4, 400.00);
+This is the 'inner query' running by itself.
+Produces correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query)
+Produces correct results.
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+Now make t2.t1_id part of a key.
+ALTER TABLE t2 ADD PRIMARY KEY(t1_id);
+Same inner query by itself.
+Still correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query), now with indexes on the LEFT JOIN
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+DROP TABLE t3;
+DROP TABLE t2;
+DROP TABLE t1;
diff --git a/mysql-test/r/subselect3.result b/mysql-test/r/subselect3.result
index af483939598..6d5654c9895 100644
--- a/mysql-test/r/subselect3.result
+++ b/mysql-test/r/subselect3.result
@@ -30,7 +30,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using temporary; Using filesort
 Warnings:
 Note	1276	Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
 explain extended
 select a, oref from t2 
 where a in (select max(ie) from t1 where oref=t2.oref group by grp);
@@ -39,7 +39,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using temporary; Using filesort
 Warnings:
 Note	1276	Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
 select a, oref, a in (
 select max(ie) from t1 where oref=t2.oref group by grp union
 select max(ie) from t1 where oref=t2.oref group by grp
@@ -70,7 +70,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select <in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
+Note	1003	select <in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
 set @@optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
 create table t1 (a int, oref int, key(a));
@@ -160,7 +160,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref	a	a	5	test.t1.b	1	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t3`
+Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t3`
 drop table t1, t2, t3;
 create table t1 (a int NOT NULL, b int NOT NULL, key(a));
 insert into t1 values 
@@ -188,7 +188,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref	a	a	4	test.t1.b	1	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`))))) AS `Z` from `test`.`t3`
+Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`))))) AS `Z` from `test`.`t3`
 drop table t1,t2,t3;
 create table t1 (oref int, grp int);
 insert into t1 (oref, grp) values
@@ -212,7 +212,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
 Warnings:
 Note	1276	Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0))))))) AS `Z` from `test`.`t2`
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0))))))) AS `Z` from `test`.`t2`
 drop table t1, t2;
 create table t1 (a int, b int, primary key (a));
 insert into t1 values (1,1), (3,1),(100,1);
@@ -261,7 +261,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t4	ALL	NULL	NULL	NULL	NULL	100	100.00	Using where; Using join buffer
 Warnings:
 Note	1276	Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))) AS `Z` from `test`.`t2`
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))) AS `Z` from `test`.`t2`
 select a,b, oref, 
 (a,b) in (select a,b from t1,t4 where c=t2.oref) Z 
 from t2;
@@ -708,7 +708,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	100.00	Using index
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`))))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`))))))
 SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
 a
 SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
@@ -879,7 +879,7 @@ Level	Code	Message
 Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
 Note	1276	Field or reference 'test.t1.c' of SELECT #3 was resolved in SELECT #2
 Error	1054	Unknown column 'c' in 'field list'
-Note	1003	select `c` AS `c` from (select (select count(`test`.`t1`.`a`) AS `COUNT(a)` from (select count(`test`.`t1`.`b`) AS `COUNT(b)` from `test`.`t1`) `x` group by `t1`.`c`) AS `(SELECT COUNT(a) FROM 
+Note	1003	select `c` AS `c` from (select (select count(`test`.`t1`.`a`) from (select count(`test`.`t1`.`b`) AS `COUNT(b)` from `test`.`t1`) `x` group by `t1`.`c`) AS `(SELECT COUNT(a) FROM 
 (SELECT COUNT(b) FROM t1) AS x GROUP BY c
 )` from `test`.`t1` group by `test`.`t1`.`b`) `y`
 DROP TABLE t1;
diff --git a/mysql-test/r/subselect3_jcl6.result b/mysql-test/r/subselect3_jcl6.result
index 8d0ccd7c9f5..3e91591d432 100644
--- a/mysql-test/r/subselect3_jcl6.result
+++ b/mysql-test/r/subselect3_jcl6.result
@@ -34,7 +34,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using temporary; Using filesort
 Warnings:
 Note	1276	Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
 explain extended
 select a, oref from t2 
 where a in (select max(ie) from t1 where oref=t2.oref group by grp);
@@ -43,7 +43,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using temporary; Using filesort
 Warnings:
 Note	1276	Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
 select a, oref, a in (
 select max(ie) from t1 where oref=t2.oref group by grp union
 select max(ie) from t1 where oref=t2.oref group by grp
@@ -74,7 +74,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	2	100.00	
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select <in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
+Note	1003	select <in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
 set @@optimizer_switch=@save_optimizer_switch;
 drop table t1, t2, t3;
 create table t1 (a int, oref int, key(a));
@@ -164,7 +164,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref	a	a	5	test.t1.b	1	100.00	Using where; Using join buffer
 Warnings:
 Note	1276	Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t3`
+Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t3`
 drop table t1, t2, t3;
 create table t1 (a int NOT NULL, b int NOT NULL, key(a));
 insert into t1 values 
@@ -192,7 +192,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref	a	a	4	test.t1.b	1	100.00	Using where; Using join buffer
 Warnings:
 Note	1276	Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`))))) AS `Z` from `test`.`t3`
+Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`))))) AS `Z` from `test`.`t3`
 drop table t1,t2,t3;
 create table t1 (oref int, grp int);
 insert into t1 (oref, grp) values
@@ -216,7 +216,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
 Warnings:
 Note	1276	Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0))))))) AS `Z` from `test`.`t2`
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0))))))) AS `Z` from `test`.`t2`
 drop table t1, t2;
 create table t1 (a int, b int, primary key (a));
 insert into t1 values (1,1), (3,1),(100,1);
@@ -265,7 +265,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t4	ALL	NULL	NULL	NULL	NULL	100	100.00	Using where; Using join buffer
 Warnings:
 Note	1276	Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))) AS `Z` from `test`.`t2`
+Note	1003	select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))) AS `Z` from `test`.`t2`
 select a,b, oref, 
 (a,b) in (select a,b from t1,t4 where c=t2.oref) Z 
 from t2;
@@ -712,7 +712,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	100.00	Using index
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`))))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`))))))
 SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
 a
 SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
@@ -883,7 +883,7 @@ Level	Code	Message
 Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
 Note	1276	Field or reference 'test.t1.c' of SELECT #3 was resolved in SELECT #2
 Error	1054	Unknown column 'c' in 'field list'
-Note	1003	select `c` AS `c` from (select (select count(`test`.`t1`.`a`) AS `COUNT(a)` from (select count(`test`.`t1`.`b`) AS `COUNT(b)` from `test`.`t1`) `x` group by `t1`.`c`) AS `(SELECT COUNT(a) FROM 
+Note	1003	select `c` AS `c` from (select (select count(`test`.`t1`.`a`) from (select count(`test`.`t1`.`b`) AS `COUNT(b)` from `test`.`t1`) `x` group by `t1`.`c`) AS `(SELECT COUNT(a) FROM 
 (SELECT COUNT(b) FROM t1) AS x GROUP BY c
 )` from `test`.`t1` group by `test`.`t1`.`b`) `y`
 DROP TABLE t1;
diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result
index 2956587d83f..23c08921ac5 100644
--- a/mysql-test/r/subselect4.result
+++ b/mysql-test/r/subselect4.result
@@ -80,7 +80,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
 Note	1276	Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
-Note	1003	select (select 1 AS `1` from `test`.`t2` where (`test`.`t2`.`d` = '0')) AS `RESULT` from `test`.`t1`
+Note	1003	select (select 1 from `test`.`t2` where 0) AS `RESULT` from `test`.`t1`
 first equivalent variant
 SELECT (SELECT 1 FROM t2 WHERE d = IFNULL(c,NULL)) AS RESULT FROM t1 GROUP BY c ;
 RESULT
@@ -91,7 +91,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
 Note	1276	Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
-Note	1003	select (select 1 AS `1` from `test`.`t2` where (`test`.`t2`.`d` = ifnull('0',NULL))) AS `RESULT` from `test`.`t1` group by '0'
+Note	1003	select (select 1 from `test`.`t2` where 0) AS `RESULT` from `test`.`t1` group by NULL
 second equivalent variant
 SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT FROM t1 GROUP BY c ;
 RESULT
@@ -102,7 +102,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 Warnings:
 Note	1276	Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
-Note	1003	select (select 1 AS `1` from `test`.`t2` where (`test`.`t2`.`d` = '0')) AS `RESULT` from `test`.`t1` group by '0'
+Note	1003	select (select 1 from `test`.`t2` where 0) AS `RESULT` from `test`.`t1` group by NULL
 DROP TABLE t1,t2;
 #
 # BUG#45928 "Differing query results depending on MRR and
diff --git a/mysql-test/r/subselect_mat.result b/mysql-test/r/subselect_mat.result
index 7b175d5216a..41531e95db8 100644
--- a/mysql-test/r/subselect_mat.result
+++ b/mysql-test/r/subselect_mat.result
@@ -41,7 +41,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b1` AS `b1` from `test`.`t2` where (`test`.`t2`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b1` from `test`.`t2` where (`test`.`t2`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`)))))
 select * from t1 where a1 in (select b1 from t2 where b1 > '0');
 a1	a2
 1 - 01	2 - 01
@@ -52,7 +52,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b1` AS `b1` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b1` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`)))))
 select * from t1 where a1 in (select b1 from t2 where b1 > '0' group by b1);
 a1	a2
 1 - 01	2 - 01
@@ -63,7 +63,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`)))))
 select * from t1 where (a1, a2) in (select b1, b2 from t2 where b1 > '0' group by b1, b2);
 a1	a2
 1 - 01	2 - 01
@@ -74,7 +74,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1` AS `b1`,min(`test`.`t2`.`b2`) AS `min(b2)` from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`min(b2)`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`min(b2)`)))))
 select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1);
 a1	a2
 1 - 01	2 - 01
@@ -85,7 +85,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1i	index	NULL	it1i3	18	NULL	3	100.00	Using where; Using index
 2	SUBQUERY	t2i	index	it2i1,it2i3	it2i1	9	NULL	5	100.00	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (select `test`.`t2i`.`b1` AS `b1` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`)))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (select `test`.`t2i`.`b1` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`)))))
 select * from t1i where a1 in (select b1 from t2i where b1 > '0');
 a1	a2
 1 - 01	2 - 01
@@ -96,7 +96,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1i	index	NULL	it1i3	18	NULL	3	100.00	Using where; Using index
 2	SUBQUERY	t2i	range	it2i1,it2i3	it2i1	9	NULL	3	100.00	Using where; Using index for group-by
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (select `test`.`t2i`.`b1` AS `b1` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`)))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (select `test`.`t2i`.`b1` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`)))))
 select * from t1i where a1 in (select b1 from t2i where b1 > '0' group by b1);
 a1	a2
 1 - 01	2 - 01
@@ -107,7 +107,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1i	index	NULL	it1i3	18	NULL	3	100.00	Using where; Using index
 2	SUBQUERY	t2i	index	it2i1,it2i3	it2i3	18	NULL	5	100.00	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`)))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`)))))
 select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0');
 a1	a2
 1 - 01	2 - 01
@@ -118,7 +118,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1i	index	NULL	it1i3	18	NULL	3	100.00	Using where; Using index
 2	SUBQUERY	t2i	range	it2i1,it2i3	it2i3	18	NULL	3	100.00	Using where; Using index for group-by
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`)))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`)))))
 select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0' group by b1, b2);
 a1	a2
 1 - 01	2 - 01
@@ -129,7 +129,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1i	index	NULL	it1i3	18	NULL	3	100.00	Using where; Using index
 2	SUBQUERY	t2i	range	it2i1,it2i3	it2i3	18	NULL	3	100.00	Using where; Using index for group-by
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,min(`test`.`t2i`.`b2`) AS `min(b2)` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`min(b2)`)))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`min(b2)`)))))
 select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
 a1	a2
 1 - 01	2 - 01
@@ -140,7 +140,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2i	range	NULL	it2i3	9	NULL	3	100.00	Using index for group-by
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,max(`test`.`t2i`.`b2`) AS `max(b2)` from `test`.`t2i` group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`max(b2)`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`max(b2)`)))))
 select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1);
 a1	a2
 1 - 01	2 - 01
@@ -169,7 +169,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2i	range	it2i1,it2i3	it2i3	18	NULL	3	100.00	Using where; Using index for group-by
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,min(`test`.`t2i`.`b2`) AS `min(b2)` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`min(b2)`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`min(b2)`)))))
 select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
 a1	a2
 1 - 01	2 - 01
@@ -209,7 +209,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`)))))
 select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2);
 a1	a2
 1 - 01	2 - 01
@@ -220,7 +220,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1i	index	NULL	it1i3	18	NULL	3	100.00	Using where; Using index
 2	SUBQUERY	t2i	index	NULL	it2i3	18	NULL	5	100.00	Using index
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`)))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`)))))
 select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2);
 a1	a2
 1 - 01	2 - 01
@@ -275,7 +275,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t2i	index	it2i2	it2i3	18	NULL	5	100.00	Using where; Using index
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (`test`.`t2`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
 select * from t1
 where (a1, a2) in (select b1, b2 from t2 where b1 >  '0') and
 (a1, a2) in (select c1, c2 from t3
@@ -294,7 +294,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t2i	index	it2i2	it2i3	18	NULL	5	100.00	Using where; Using index
 2	SUBQUERY	t2i	index	it2i1,it2i3	it2i3	18	NULL	5	100.00	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1` AS `c1`,`test`.`t3i`.`c2` AS `c2` from `test`.`t3i` where <in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3i`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`c2`))))))
+Note	1003	select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3i`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`c2`))))))
 select * from t1i
 where (a1, a2) in (select b1, b2 from t2i where b1 >  '0') and
 (a1, a2) in (select c1, c2 from t3i
@@ -317,7 +317,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 3	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where (<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` AS `c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`))))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` AS `c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`))))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
 select * from t1
 where (a1, a2) in (select b1, b2 from t2
 where b2 in (select c2 from t3 where c2 LIKE '%02') or
@@ -342,7 +342,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3a	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where ((<in_optimizer>(`test`.`t2`.`b2`,<exists>(select 1 AS `Not_used` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`)))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` AS `c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3c`.`c1` AS `c1`,`test`.`t3c`.`c2` AS `c2` from `test`.`t3` `t3c` where <in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),(`test`.`t3c`.`c1`,`test`.`t3c`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3c`.`c1` in <temporary table> on distinct_key where ((`test`.`t3c`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3c`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((<in_optimizer>(`test`.`t2`.`b2`,<exists>(select 1 from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`)))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),(`test`.`t3c`.`c1`,`test`.`t3c`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3c`.`c1` in <temporary table> on distinct_key where ((`test`.`t3c`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3c`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
 select * from t1
 where (a1, a2) in (select b1, b2 from t2
 where b2 in (select c2 from t3 t3a where c1 = a1) or
@@ -378,7 +378,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 8	SUBQUERY	t2i	index	it2i1,it2i3	it2i3	18	NULL	5	100.00	Using where; Using index
 NULL	UNION RESULT	<union1,7>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	(select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where (<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` AS `c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`))))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` AS `c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1` AS `c1`,`test`.`t3i`.`c2` AS `c2` from `test`.`t3i` where <in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3i`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`c2`)))))))
+Note	1003	(select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`))))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) group by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where (<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`b2`))))) and <in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where ((`test`.`t3i`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3i`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where ((`test`.`t1i`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1i`.`a2` = `materialized subselect`.`c2`)))))))
 (select * from t1
 where (a1, a2) in (select b1, b2 from t2
 where b2 in (select c2 from t3 where c2 LIKE '%02') or
@@ -407,7 +407,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where ((`test`.`t1`.`a1` = `materialized subselect`.`c1`) and (`test`.`t1`.`a2` = `materialized subselect`.`c2`))))))
 select * from t1
 where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
 (a1, a2) in (select c1, c2 from t3
@@ -430,7 +430,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`c1` = `test`.`t1`.`a1`) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1` AS `b1`,`test`.`t2i`.`b2` AS `b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`c1`) and (`test`.`t3`.`c2` = `materialized subselect`.`c2`))))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`c1` = `test`.`t1`.`a1`) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where (`test`.`t2i`.`b2` > '0') ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`b1`) and (`test`.`t3`.`c2` = `materialized subselect`.`b2`))))) ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where ((`test`.`t3`.`c1` = `materialized subselect`.`c1`) and (`test`.`t3`.`c2` = `materialized subselect`.`c2`))))))
 select * from t1, t3
 where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
 (c1, c2) in (select c1, c2 from t3
@@ -452,7 +452,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>(`test`.`t3`.`c1`,<exists>(select 1 AS `Not_used` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t3`.`c1`) = `test`.`t1`.`a1`)) union select 1 AS `Not_used` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t3`.`c1`) = `test`.`t2`.`b1`))))
+Note	1003	select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <in_optimizer>(`test`.`t3`.`c1`,<exists>(select 1 from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t3`.`c1`) = `test`.`t1`.`a1`)) union select 1 from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t3`.`c1`) = `test`.`t2`.`b1`))))
 select * from t3
 where c1 in (select a1 from t1 where a1 > '0' UNION select b1 from t2 where b1 < '9');
 c1	c2
@@ -476,14 +476,14 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1276	Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
 Note	1276	Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1` AS `b1`,`test`.`t2`.`b2` AS `b2` from `test`.`t2` where ((<in_optimizer>(`test`.`t2`.`b2`,<exists>(select 1 AS `Not_used` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`)))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` AS `c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t3c`.`c1` AS `c1`,`test`.`t3c`.`c2` AS `c2` from `test`.`t3` `t3c` where (<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),<exists>(<index_lookup>(<cache>(`test`.`t3c`.`c1`) in t2i on it2i3 where (((`test`.`t2i`.`b2` > '0') or (`test`.`t2i`.`b2` = `test`.`t1`.`a2`)) and (<cache>(`test`.`t3c`.`c1`) = `test`.`t2i`.`b1`) and (<cache>(`test`.`t3c`.`c2`) = `test`.`t2i`.`b2`))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t3c`.`c1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t3c`.`c2`)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where (<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((<in_optimizer>(`test`.`t2`.`b2`,<exists>(select 1 from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`)))) or <in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `materialized subselect`.`c2`)))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`)))) and <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where (<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),<exists>(<index_lookup>(<cache>(`test`.`t3c`.`c1`) in t2i on it2i3 where (((`test`.`t2i`.`b2` > '0') or (`test`.`t2i`.`b2` = `test`.`t1`.`a2`)) and (<cache>(`test`.`t3c`.`c1`) = `test`.`t2i`.`b1`) and (<cache>(`test`.`t3c`.`c2`) = `test`.`t2i`.`b2`))))) and (<cache>(`test`.`t1`.`a1`) = `test`.`t3c`.`c1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t3c`.`c2`)))))
 explain extended
 select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01' AS `1 - 01`,'2 - 01' AS `2 - 01` having ((<cache>(`test`.`t1`.`a1`) = '1 - 01') and (<cache>(`test`.`t1`.`a2`) = '2 - 01'))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having ((<cache>(`test`.`t1`.`a1`) = '1 - 01') and (<cache>(`test`.`t1`.`a2`) = '2 - 01'))))
 select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
 a1	a2
 1 - 01	2 - 01
@@ -493,7 +493,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01' AS `1 - 01`,'2 - 01' AS `2 - 01` having ((<cache>(`test`.`t1`.`a1`) = '1 - 01') and (<cache>(`test`.`t1`.`a2`) = '2 - 01'))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having ((<cache>(`test`.`t1`.`a1`) = '1 - 01') and (<cache>(`test`.`t1`.`a2`) = '2 - 01'))))
 select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01' from dual);
 a1	a2
 1 - 01	2 - 01
@@ -515,7 +515,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 2	SUBQUERY	columns	index	NULL	PRIMARY	4	NULL	2	100.00	Using index
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by (select `test`.`columns`.`col` AS `col` from `test`.`columns` limit 1)
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by (select `test`.`columns`.`col` from `test`.`columns` limit 1)
 select * from t1 group by (select col from columns limit 1);
 a1	a2
 1 - 00	2 - 00
@@ -536,7 +536,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 2	SUBQUERY	columns	index	NULL	PRIMARY	4	NULL	2	100.00	Using index
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` order by (select `test`.`columns`.`col` AS `col` from `test`.`columns` limit 1)
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` order by (select `test`.`columns`.`col` from `test`.`columns` limit 1)
 select * from t1 order by (select col from columns limit 1);
 a1	a2
 1 - 00	2 - 00
@@ -583,7 +583,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select 1 AS `Not_used` from `test`.`t2_16` where ((`test`.`t2_16`.`b1` > '0') and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`))))
+Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select 1 from `test`.`t2_16` where ((`test`.`t2_16`.`b1` > '0') and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`))))
 select left(a1,7), left(a2,7)
 from t1_16
 where a1 in (select b1 from t2_16 where b1 > '0');
@@ -597,7 +597,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1` AS `b1`,`test`.`t2_16`.`b2` AS `b2` from `test`.`t2_16` where ((`test`.`t2_16`.`b1` > '0') and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))))
+Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` where ((`test`.`t2_16`.`b1` > '0') and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))))
 select left(a1,7), left(a2,7)
 from t1_16
 where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0');
@@ -611,7 +611,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (select substr(`test`.`t2_16`.`b1`,1,16) AS `substring(b1,1,16)` from `test`.`t2_16` where (`test`.`t2_16`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_16`.`a1` = `materialized subselect`.`substring(b1,1,16)`)))))
+Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (select substr(`test`.`t2_16`.`b1`,1,16) from `test`.`t2_16` where (`test`.`t2_16`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_16`.`a1` = `materialized subselect`.`substring(b1,1,16)`)))))
 select left(a1,7), left(a2,7)
 from t1_16
 where a1 in (select substring(b1,1,16) from t2_16 where b1 > '0');
@@ -625,7 +625,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select group_concat(`test`.`t2_16`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_16` group by `test`.`t2_16`.`b2` having (<cache>(`test`.`t1_16`.`a1`) = <ref_null_helper>(group_concat(`test`.`t2_16`.`b1` separator ',')))))
+Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` having (<cache>(`test`.`t1_16`.`a1`) = <ref_null_helper>(group_concat(`test`.`t2_16`.`b1` separator ',')))))
 select left(a1,7), left(a2,7)
 from t1_16
 where a1 in (select group_concat(b1) from t2_16 group by b2);
@@ -640,7 +640,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_16	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (select group_concat(`test`.`t2_16`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_16` group by `test`.`t2_16`.`b2` ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_16`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_16`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_16
 where a1 in (select group_concat(b1) from t2_16 group by b2);
@@ -662,7 +662,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using join buffer
 4	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(select 1 AS `Not_used` from `test`.`t1_16` where (<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1` AS `b1`,`test`.`t2_16`.`b2` AS `b2` from `test`.`t2_16` join `test`.`t2` where ((`test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6)) and <in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (select `test`.`t3`.`c1` AS `c1` from `test`.`t3` where (`test`.`t3`.`c2` > '0') ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where ((`test`.`t2`.`b1` = `materialized subselect`.`c1`))))) and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`)))) and (<cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8)))))
+Note	1003	select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(select 1 from `test`.`t1_16` where (<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` join `test`.`t2` where ((`test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6)) and <in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (select `test`.`t3`.`c1` from `test`.`t3` where (`test`.`t3`.`c2` > '0') ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where ((`test`.`t2`.`b1` = `materialized subselect`.`c1`))))) and (<cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`) and (<cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`)))) and (<cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8)))))
 drop table t1_16, t2_16, t3_16;
 set @blob_len = 512;
 set @suffix_len = @blob_len - @prefix_len;
@@ -696,7 +696,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,<exists>(select 1 AS `Not_used` from `test`.`t2_512` where ((`test`.`t2_512`.`b1` > '0') and (<cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`))))
+Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,<exists>(select 1 from `test`.`t2_512` where ((`test`.`t2_512`.`b1` > '0') and (<cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`))))
 select left(a1,7), left(a2,7)
 from t1_512
 where a1 in (select b1 from t2_512 where b1 > '0');
@@ -710,7 +710,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>((`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`),<exists>(select `test`.`t2_512`.`b1` AS `b1`,`test`.`t2_512`.`b2` AS `b2` from `test`.`t2_512` where ((`test`.`t2_512`.`b1` > '0') and (<cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`) and (<cache>(`test`.`t1_512`.`a2`) = `test`.`t2_512`.`b2`))))
+Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>((`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`),<exists>(select `test`.`t2_512`.`b1`,`test`.`t2_512`.`b2` from `test`.`t2_512` where ((`test`.`t2_512`.`b1` > '0') and (<cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`) and (<cache>(`test`.`t1_512`.`a2`) = `test`.`t2_512`.`b2`))))
 select left(a1,7), left(a2,7)
 from t1_512
 where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0');
@@ -724,7 +724,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select substr(`test`.`t2_512`.`b1`,1,512) AS `substring(b1,1,512)` from `test`.`t2_512` where (`test`.`t2_512`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_512`.`a1` = `materialized subselect`.`substring(b1,1,512)`)))))
+Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select substr(`test`.`t2_512`.`b1`,1,512) from `test`.`t2_512` where (`test`.`t2_512`.`b1` > '0') ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_512`.`a1` = `materialized subselect`.`substring(b1,1,512)`)))))
 select left(a1,7), left(a2,7)
 from t1_512
 where a1 in (select substring(b1,1,512) from t2_512 where b1 > '0');
@@ -738,7 +738,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_512`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_512`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_512
 where a1 in (select group_concat(b1) from t2_512 group by b2);
@@ -751,7 +751,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_512	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_512`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_512`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_512
 where a1 in (select group_concat(b1) from t2_512 group by b2);
@@ -789,7 +789,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,<exists>(select 1 AS `Not_used` from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`))))
+Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,<exists>(select 1 from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`))))
 select left(a1,7), left(a2,7)
 from t1_1024
 where a1 in (select b1 from t2_1024 where b1 > '0');
@@ -803,7 +803,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>((`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`),<exists>(select `test`.`t2_1024`.`b1` AS `b1`,`test`.`t2_1024`.`b2` AS `b2` from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`) and (<cache>(`test`.`t1_1024`.`a2`) = `test`.`t2_1024`.`b2`))))
+Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>((`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`),<exists>(select `test`.`t2_1024`.`b1`,`test`.`t2_1024`.`b2` from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`) and (<cache>(`test`.`t1_1024`.`a2`) = `test`.`t2_1024`.`b2`))))
 select left(a1,7), left(a2,7)
 from t1_1024
 where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0');
@@ -817,7 +817,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in (select 1 AS `Not_used` from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = substr(`test`.`t2_1024`.`b1`,1,1024)))))
+Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in (select 1 from `test`.`t2_1024` where ((`test`.`t2_1024`.`b1` > '0') and (<cache>(`test`.`t1_1024`.`a1`) = substr(`test`.`t2_1024`.`b1`,1,1024)))))
 select left(a1,7), left(a2,7)
 from t1_1024
 where a1 in (select substring(b1,1,1024) from t2_1024 where b1 > '0');
@@ -831,7 +831,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1024`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1024`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_1024
 where a1 in (select group_concat(b1) from t2_1024 group by b2);
@@ -844,7 +844,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_1024	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1024`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1024`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_1024
 where a1 in (select group_concat(b1) from t2_1024 group by b2);
@@ -882,7 +882,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,<exists>(select 1 AS `Not_used` from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`))))
+Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,<exists>(select 1 from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`))))
 select left(a1,7), left(a2,7)
 from t1_1025
 where a1 in (select b1 from t2_1025 where b1 > '0');
@@ -896,7 +896,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>((`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`),<exists>(select `test`.`t2_1025`.`b1` AS `b1`,`test`.`t2_1025`.`b2` AS `b2` from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`) and (<cache>(`test`.`t1_1025`.`a2`) = `test`.`t2_1025`.`b2`))))
+Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>((`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`),<exists>(select `test`.`t2_1025`.`b1`,`test`.`t2_1025`.`b2` from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`) and (<cache>(`test`.`t1_1025`.`a2`) = `test`.`t2_1025`.`b2`))))
 select left(a1,7), left(a2,7)
 from t1_1025
 where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0');
@@ -910,7 +910,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in (select 1 AS `Not_used` from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = substr(`test`.`t2_1025`.`b1`,1,1025)))))
+Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in (select 1 from `test`.`t2_1025` where ((`test`.`t2_1025`.`b1` > '0') and (<cache>(`test`.`t1_1025`.`a1`) = substr(`test`.`t2_1025`.`b1`,1,1025)))))
 select left(a1,7), left(a2,7)
 from t1_1025
 where a1 in (select substring(b1,1,1025) from t2_1025 where b1 > '0');
@@ -924,7 +924,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1025`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1025`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_1025
 where a1 in (select group_concat(b1) from t2_1025 group by b2);
@@ -937,7 +937,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2_1025	ALL	NULL	NULL	NULL	NULL	3	100.00	Using filesort
 Warnings:
-Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') AS `group_concat(b1)` from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1025`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
+Note	1003	select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where ((`test`.`t1_1025`.`a1` = `materialized subselect`.`group_concat(b1)`)))))
 select left(a1,7), left(a2,7)
 from t1_1025
 where a1 in (select group_concat(b1) from t2_1025 group by b2);
@@ -959,7 +959,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1bit	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2bit	ALL	NULL	NULL	NULL	NULL	3	100.00	
 Warnings:
-Note	1003	select conv(`test`.`t1bit`.`a1`,10,2) AS `bin(a1)`,conv(`test`.`t1bit`.`a2`,10,2) AS `bin(a2)` from `test`.`t1bit` where <in_optimizer>((`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`),(`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`) in ( <materialize> (select `test`.`t2bit`.`b1` AS `b1`,`test`.`t2bit`.`b2` AS `b2` from `test`.`t2bit` ), <primary_index_lookup>(`test`.`t1bit`.`a1` in <temporary table> on distinct_key where ((`test`.`t1bit`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1bit`.`a2` = `materialized subselect`.`b2`)))))
+Note	1003	select conv(`test`.`t1bit`.`a1`,10,2) AS `bin(a1)`,conv(`test`.`t1bit`.`a2`,10,2) AS `bin(a2)` from `test`.`t1bit` where <in_optimizer>((`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`),(`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`) in ( <materialize> (select `test`.`t2bit`.`b1`,`test`.`t2bit`.`b2` from `test`.`t2bit` ), <primary_index_lookup>(`test`.`t1bit`.`a1` in <temporary table> on distinct_key where ((`test`.`t1bit`.`a1` = `materialized subselect`.`b1`) and (`test`.`t1bit`.`a2` = `materialized subselect`.`b2`)))))
 select bin(a1), bin(a2)
 from t1bit
 where (a1, a2) in (select b1, b2 from t2bit);
@@ -982,7 +982,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1bb	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	DEPENDENT SUBQUERY	t2bb	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` where <in_optimizer>((`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`),<exists>(select `test`.`t2bb`.`b1` AS `b1`,`test`.`t2bb`.`b2` AS `b2` from `test`.`t2bb` where ((<cache>(`test`.`t1bb`.`a1`) = `test`.`t2bb`.`b1`) and (<cache>(`test`.`t1bb`.`a2`) = `test`.`t2bb`.`b2`))))
+Note	1003	select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` where <in_optimizer>((`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`),<exists>(select `test`.`t2bb`.`b1`,`test`.`t2bb`.`b2` from `test`.`t2bb` where ((<cache>(`test`.`t1bb`.`a1`) = `test`.`t2bb`.`b1`) and (<cache>(`test`.`t1bb`.`a2`) = `test`.`t2bb`.`b2`))))
 select bin(a1), a2
 from t1bb
 where (a1, a2) in (select b1, b2 from t2bb);
@@ -1030,7 +1030,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` AS `c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
 select a from t1 where a in (select c from t2 where d >= 20);
 a
 2
@@ -1044,7 +1044,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	index	NULL	it1a	4	NULL	7	100.00	Using where; Using index
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` AS `c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
 select a from t1 where a in (select c from t2 where d >= 20);
 a
 2
@@ -1058,7 +1058,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	index	NULL	it1a	4	NULL	7	100.00	Using where; Using index
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` AS `c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
 select a from t1 where a in (select c from t2 where d >= 20);
 a
 2
@@ -1071,7 +1071,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	index	NULL	it1a	4	NULL	7	100.00	Using index
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` AS `c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
 select a from t1 group by a having a in (select c from t2 where d >= 20);
 a
 2
@@ -1083,7 +1083,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	index	NULL	it1a	4	NULL	7	100.00	Using index
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` AS `c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where (`test`.`t2`.`d` >= 20) ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `materialized subselect`.`c`)))))
 select a from t1 group by a having a in (select c from t2 where d >= 20);
 a
 2
@@ -1097,7 +1097,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` where (<nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` AS `e` from `test`.`t3` where (max(`test`.`t1`.`b`) = `test`.`t3`.`e`) having (<cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`))))) and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` where (<nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where (max(`test`.`t1`.`b`) = `test`.`t3`.`e`) having (<cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`))))) and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))))
 select a from t1 group by a
 having a in (select c from t2 where d >= some(select e from t3 where max(b)=e));
 a
@@ -1112,7 +1112,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` where (<nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 AS `Not_used` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))) and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` where (<nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))) and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))))
 select a from t1
 where a in (select c from t2 where d >= some(select e from t3 where b=e));
 a
diff --git a/mysql-test/r/subselect_no_mat.result b/mysql-test/r/subselect_no_mat.result
index 75698a12751..815e501c851 100644
--- a/mysql-test/r/subselect_no_mat.result
+++ b/mysql-test/r/subselect_no_mat.result
@@ -38,7 +38,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 NULL	UNION RESULT	<union3,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
 Note	1249	Select 2 was reduced during optimization
-Note	1003	select (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
+Note	1003	select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
 ERROR 42S22: Reference 'a' not supported (forward reference in item list)
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -56,7 +56,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1' AS `a`) = 1)
+Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1') = 1)
 SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
 1
 1
@@ -193,7 +193,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	
 NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` AS `a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) AS `max(t2.a)*4` from `test`.`t2`)) order by `a`)
+Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) from `test`.`t2`)) order by `a`)
 select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
 (select a from t3 where a<t2.a*4 order by 1 desc limit 1)	a
 3	1
@@ -209,7 +209,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using filesort
 Warnings:
-Note	1003	select (select `test`.`t3`.`a` AS `a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
+Note	1003	select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
 select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
 a
 2
@@ -230,7 +230,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) AS `min(t3.a)` from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
+Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
 select * from t3 where exists (select * from t2 where t2.b=t3.a);
 a
 7
@@ -320,7 +320,7 @@ NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL
 Warnings:
 Note	1276	Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
 Note	1276	Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select (select '2' AS `a` from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` AS `a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
+Note	1003	select (select '2' from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
 select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
 ERROR 21000: Subquery returns more than 1 row
 create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -338,7 +338,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t7	eq_ref	PRIMARY	PRIMARY	4	test.t6.clinic_uq	1	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 AS `Not_used` from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
+Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
 select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
 ERROR 23000: Column 'a' in field list is ambiguous
 drop table t1,t2,t3;
@@ -373,7 +373,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	SUBQUERY	t8	const	PRIMARY	PRIMARY	37	const	1	100.00	
 3	SUBQUERY	t8	const	PRIMARY	PRIMARY	37		1	100.00	Using index
 Warnings:
-Note	1003	select 'joce' AS `pseudo`,(select 'test' AS `email` from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
+Note	1003	select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
 SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
 t8 WHERE pseudo='joce');
 ERROR 21000: Operand should contain 1 column(s)
@@ -405,7 +405,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	SUBQUERY	t1	index	NULL	PRIMARY	43	NULL	2	100.00	Using where; Using index
 Warnings:
-Note	1003	select (select distinct `test`.`t1`.`date` AS `date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
+Note	1003	select (select distinct `test`.`t1`.`date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
 SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
 date
 2002-08-03
@@ -749,7 +749,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `1` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 AS `3` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
+Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
 id
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -912,7 +912,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref_or_null	a	a	5	func	2	100.00	Using index
 2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
 drop table t1,t2,t3;
 create table t1 (a float);
 select 10.5 IN (SELECT * from t1 LIMIT 1);
@@ -1024,19 +1024,19 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select rand() AS `RAND()` from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
+Note	1003	select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select encrypt('test') AS `ENCRYPT('test')` from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
+Note	1003	select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select benchmark(1,1) AS `BENCHMARK(1,1)` from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
+Note	1003	select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
 drop table t1;
 CREATE TABLE `t1` (
 `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1131,7 +1131,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 3	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() AS `rand()` from `test`.`t1` limit 1) AS `(select rand() from t1 limit 1)` from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
 drop table t1;
 select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country  where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
 ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1185,7 +1185,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 INSERT INTO t1 (pseudo) VALUES ('test1');
 SELECT 0 IN (SELECT 1 FROM t1 a);
 0 IN (SELECT 1 FROM t1 a)
@@ -1195,7 +1195,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 drop table t1;
 CREATE TABLE `t1` (
 `i` int(11) NOT NULL default '0',
@@ -1240,7 +1240,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ref	salary	salary	5	const	1	100.00	Using index condition
 2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 Warnings:
-Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) AS `MAX(salary)` from `test`.`t1`))
+Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
 drop table t1;
 CREATE TABLE t1 (
 ID int(10) unsigned NOT NULL auto_increment,
@@ -1506,7 +1506,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`)))
 select * from t3 where a >= some (select b from t2);
 a
 explain extended select * from t3 where a >= some (select b from t2);
@@ -1514,7 +1514,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`)))
 select * from t3 where a >= all (select b from t2 group by 1);
 a
 6
@@ -1525,7 +1525,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where a >= some (select b from t2 group by 1);
 a
 explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1533,7 +1533,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where NULL >= any (select b from t2);
 a
 explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1576,7 +1576,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	4	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) AS `max(b)` from `test`.`t2` group by `test`.`t2`.`a`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`)))
 drop table t2, t3;
 CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY  (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
 INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1753,7 +1753,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	eq_ref	PRIMARY	PRIMARY	4	test.tt.id	1	100.00	Using where; Using index
 Warnings:
 Note	1276	Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` AS `id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
+Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
 insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
 create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
 insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2289,7 +2289,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 AS `Not_used` from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
+Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
 drop table t1;
 CREATE TABLE t1 (t1_a int);
 INSERT INTO t1 VALUES (1);
@@ -2830,7 +2830,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
@@ -2842,7 +2842,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 DROP TABLE t1,t2;
 CREATE TABLE t1 (a char(5), b char(5));
 INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@@ -4329,13 +4329,13 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 AS `1` from `test`.`t1` group by `test`.`t1`.`a` having 1))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having 1))
 EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 AS `1` from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having 1))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having 1))
 DROP TABLE t1;
 #
 # Bug#45061: Incorrectly market field caused wrong result.
@@ -4822,7 +4822,108 @@ FROM t1,t1 a
 );
 1
 DROP TABLE t1;
+#
+# Bug #45989 take 2 : memory leak after explain encounters an 
+# error in the query
+#
+CREATE TABLE t1(a LONGTEXT);
+INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
+INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));
+EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
+(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
+WHERE t1.a = d1.a;
+ERROR 42S22: Unknown column 'd1.a' in 'where clause'
+DROP TABLE t1;
 End of 5.1 tests.
+Set up test tables.
+CREATE TABLE t1 (
+t1_id INT UNSIGNED,
+PRIMARY KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t1 (t1_id) VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 SELECT * FROM t1;
+CREATE TABLE t3 (
+t3_id INT UNSIGNED AUTO_INCREMENT,
+t1_id INT UNSIGNED,
+amount DECIMAL(16,2),
+PRIMARY KEY(t3_id),
+KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t3 (t1_id, t3_id, amount) 
+VALUES (1, 1, 100.00), (2, 2, 200.00), (4, 4, 400.00);
+This is the 'inner query' running by itself.
+Produces correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query)
+Produces correct results.
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+Now make t2.t1_id part of a key.
+ALTER TABLE t2 ADD PRIMARY KEY(t1_id);
+Same inner query by itself.
+Still correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query), now with indexes on the LEFT JOIN
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+DROP TABLE t3;
+DROP TABLE t2;
+DROP TABLE t1;
 set optimizer_switch=default;
 show variables like 'optimizer_switch';
 Variable_name	Value
diff --git a/mysql-test/r/subselect_no_opts.result b/mysql-test/r/subselect_no_opts.result
index 506adaa26a6..7ad024c2035 100644
--- a/mysql-test/r/subselect_no_opts.result
+++ b/mysql-test/r/subselect_no_opts.result
@@ -38,7 +38,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 NULL	UNION RESULT	<union3,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
 Note	1249	Select 2 was reduced during optimization
-Note	1003	select (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
+Note	1003	select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
 ERROR 42S22: Reference 'a' not supported (forward reference in item list)
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -56,7 +56,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1' AS `a`) = 1)
+Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1') = 1)
 SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
 1
 1
@@ -193,7 +193,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	
 NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` AS `a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) AS `max(t2.a)*4` from `test`.`t2`)) order by `a`)
+Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) from `test`.`t2`)) order by `a`)
 select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
 (select a from t3 where a<t2.a*4 order by 1 desc limit 1)	a
 3	1
@@ -209,7 +209,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using filesort
 Warnings:
-Note	1003	select (select `test`.`t3`.`a` AS `a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
+Note	1003	select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
 select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
 a
 2
@@ -230,7 +230,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) AS `min(t3.a)` from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
+Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
 select * from t3 where exists (select * from t2 where t2.b=t3.a);
 a
 7
@@ -320,7 +320,7 @@ NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL
 Warnings:
 Note	1276	Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
 Note	1276	Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select (select '2' AS `a` from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` AS `a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
+Note	1003	select (select '2' from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
 select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
 ERROR 21000: Subquery returns more than 1 row
 create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -338,7 +338,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t7	eq_ref	PRIMARY	PRIMARY	4	test.t6.clinic_uq	1	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 AS `Not_used` from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
+Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
 select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
 ERROR 23000: Column 'a' in field list is ambiguous
 drop table t1,t2,t3;
@@ -373,7 +373,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	SUBQUERY	t8	const	PRIMARY	PRIMARY	37	const	1	100.00	
 3	SUBQUERY	t8	const	PRIMARY	PRIMARY	37		1	100.00	Using index
 Warnings:
-Note	1003	select 'joce' AS `pseudo`,(select 'test' AS `email` from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
+Note	1003	select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
 SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
 t8 WHERE pseudo='joce');
 ERROR 21000: Operand should contain 1 column(s)
@@ -405,7 +405,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	SUBQUERY	t1	index	NULL	PRIMARY	43	NULL	2	100.00	Using where; Using index
 Warnings:
-Note	1003	select (select distinct `test`.`t1`.`date` AS `date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
+Note	1003	select (select distinct `test`.`t1`.`date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
 SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
 date
 2002-08-03
@@ -749,7 +749,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `1` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 AS `3` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
+Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
 id
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -912,7 +912,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref_or_null	a	a	5	func	2	100.00	Using index
 2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
 drop table t1,t2,t3;
 create table t1 (a float);
 select 10.5 IN (SELECT * from t1 LIMIT 1);
@@ -1024,19 +1024,19 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select rand() AS `RAND()` from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
+Note	1003	select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select encrypt('test') AS `ENCRYPT('test')` from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
+Note	1003	select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select benchmark(1,1) AS `BENCHMARK(1,1)` from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
+Note	1003	select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
 drop table t1;
 CREATE TABLE `t1` (
 `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1131,7 +1131,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 3	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() AS `rand()` from `test`.`t1` limit 1) AS `(select rand() from t1 limit 1)` from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
 drop table t1;
 select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country  where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
 ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1185,7 +1185,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 INSERT INTO t1 (pseudo) VALUES ('test1');
 SELECT 0 IN (SELECT 1 FROM t1 a);
 0 IN (SELECT 1 FROM t1 a)
@@ -1195,7 +1195,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 drop table t1;
 CREATE TABLE `t1` (
 `i` int(11) NOT NULL default '0',
@@ -1240,7 +1240,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ref	salary	salary	5	const	1	100.00	Using index condition
 2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 Warnings:
-Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) AS `MAX(salary)` from `test`.`t1`))
+Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
 drop table t1;
 CREATE TABLE t1 (
 ID int(10) unsigned NOT NULL auto_increment,
@@ -1323,7 +1323,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	eq_ref	PRIMARY	PRIMARY	4	func	1	100.00	
 2	DEPENDENT SUBQUERY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t1.b	1	100.00	Using index
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
 drop table t1, t2, t3;
 create table t1 (a int, b int, index a (a,b));
 create table t2 (a int, index a (a));
@@ -1366,7 +1366,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ref	a	a	5	func	1001	100.00	Using index
 2	DEPENDENT SUBQUERY	t3	index	a	a	5	NULL	3	100.00	Using where; Using index; Using join buffer
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
 insert into t1 values (3,31);
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a
@@ -1506,7 +1506,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`)))
 select * from t3 where a >= some (select b from t2);
 a
 explain extended select * from t3 where a >= some (select b from t2);
@@ -1514,7 +1514,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`)))
 select * from t3 where a >= all (select b from t2 group by 1);
 a
 6
@@ -1525,7 +1525,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where a >= some (select b from t2 group by 1);
 a
 explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1533,7 +1533,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where NULL >= any (select b from t2);
 a
 explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1576,7 +1576,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	4	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) AS `max(b)` from `test`.`t2` group by `test`.`t2`.`a`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`)))
 drop table t2, t3;
 CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY  (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
 INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1753,7 +1753,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	eq_ref	PRIMARY	PRIMARY	4	test.tt.id	1	100.00	Using where; Using index
 Warnings:
 Note	1276	Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` AS `id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
+Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
 insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
 create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
 insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2289,7 +2289,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 AS `Not_used` from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
+Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
 drop table t1;
 CREATE TABLE t1 (t1_a int);
 INSERT INTO t1 VALUES (1);
@@ -2830,19 +2830,19 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = 'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`))))
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = 'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`))))
 explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 DROP TABLE t1,t2;
 CREATE TABLE t1 (a char(5), b char(5));
 INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@@ -4329,13 +4329,13 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 AS `1` from `test`.`t1` group by `test`.`t1`.`a` having 1))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` group by `test`.`t1`.`a` having 1))
 EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 AS `1` from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having 1))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,<exists>(select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` having 1))
 DROP TABLE t1;
 #
 # Bug#45061: Incorrectly market field caused wrong result.
@@ -4822,7 +4822,108 @@ FROM t1,t1 a
 );
 1
 DROP TABLE t1;
+#
+# Bug #45989 take 2 : memory leak after explain encounters an 
+# error in the query
+#
+CREATE TABLE t1(a LONGTEXT);
+INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
+INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));
+EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
+(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
+WHERE t1.a = d1.a;
+ERROR 42S22: Unknown column 'd1.a' in 'where clause'
+DROP TABLE t1;
 End of 5.1 tests.
+Set up test tables.
+CREATE TABLE t1 (
+t1_id INT UNSIGNED,
+PRIMARY KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t1 (t1_id) VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 SELECT * FROM t1;
+CREATE TABLE t3 (
+t3_id INT UNSIGNED AUTO_INCREMENT,
+t1_id INT UNSIGNED,
+amount DECIMAL(16,2),
+PRIMARY KEY(t3_id),
+KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t3 (t1_id, t3_id, amount) 
+VALUES (1, 1, 100.00), (2, 2, 200.00), (4, 4, 400.00);
+This is the 'inner query' running by itself.
+Produces correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query)
+Produces correct results.
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+Now make t2.t1_id part of a key.
+ALTER TABLE t2 ADD PRIMARY KEY(t1_id);
+Same inner query by itself.
+Still correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query), now with indexes on the LEFT JOIN
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+DROP TABLE t3;
+DROP TABLE t2;
+DROP TABLE t1;
 set optimizer_switch=default;
 show variables like 'optimizer_switch';
 Variable_name	Value
diff --git a/mysql-test/r/subselect_no_semijoin.result b/mysql-test/r/subselect_no_semijoin.result
index df1e424afa5..c8859fb4314 100644
--- a/mysql-test/r/subselect_no_semijoin.result
+++ b/mysql-test/r/subselect_no_semijoin.result
@@ -38,7 +38,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 NULL	UNION RESULT	<union3,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
 Note	1249	Select 2 was reduced during optimization
-Note	1003	select (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
+Note	1003	select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
 ERROR 42S22: Reference 'a' not supported (forward reference in item list)
 SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -56,7 +56,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 Warnings:
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
 Note	1276	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1' AS `a`) = 1)
+Note	1003	select 1 AS `1` from (select 1 AS `a`) `b` having ((select '1') = 1)
 SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
 1
 1
@@ -193,7 +193,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 4	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	
 NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` AS `a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) AS `max(t2.a)*4` from `test`.`t2`)) order by `a`)
+Note	1003	(select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1))) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where (`test`.`t4`.`b` = (select (max(`test`.`t2`.`a`) * 4) from `test`.`t2`)) order by `a`)
 select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
 (select a from t3 where a<t2.a*4 order by 1 desc limit 1)	a
 3	1
@@ -209,7 +209,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using filesort
 Warnings:
-Note	1003	select (select `test`.`t3`.`a` AS `a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
+Note	1003	select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,'2' AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt`
 select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
 a
 2
@@ -230,7 +230,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) AS `min(t3.a)` from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
+Note	1003	select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
 select * from t3 where exists (select * from t2 where t2.b=t3.a);
 a
 7
@@ -320,7 +320,7 @@ NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL
 Warnings:
 Note	1276	Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
 Note	1276	Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
-Note	1003	select (select '2' AS `a` from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` AS `a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
+Note	1003	select (select '2' from `test`.`t1` where ('2' = `test`.`t2`.`a`) union select `test`.`t5`.`a` from `test`.`t5` where (`test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
 select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
 ERROR 21000: Subquery returns more than 1 row
 create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -338,7 +338,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t7	eq_ref	PRIMARY	PRIMARY	4	test.t6.clinic_uq	1	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 AS `Not_used` from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
+Note	1003	select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
 select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
 ERROR 23000: Column 'a' in field list is ambiguous
 drop table t1,t2,t3;
@@ -373,7 +373,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	SUBQUERY	t8	const	PRIMARY	PRIMARY	37	const	1	100.00	
 3	SUBQUERY	t8	const	PRIMARY	PRIMARY	37		1	100.00	Using index
 Warnings:
-Note	1003	select 'joce' AS `pseudo`,(select 'test' AS `email` from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
+Note	1003	select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
 SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
 t8 WHERE pseudo='joce');
 ERROR 21000: Operand should contain 1 column(s)
@@ -405,7 +405,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	SUBQUERY	t1	index	NULL	PRIMARY	43	NULL	2	100.00	Using where; Using index
 Warnings:
-Note	1003	select (select distinct `test`.`t1`.`date` AS `date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
+Note	1003	select (select distinct `test`.`t1`.`date` from `test`.`t1` where (`test`.`t1`.`date` = '2002-08-03')) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
 SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
 date
 2002-08-03
@@ -749,7 +749,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
 Warnings:
-Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `1` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 AS `3` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
+Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
 id
 SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -912,7 +912,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t2	ref_or_null	a	a	5	func	2	100.00	Using index
 2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where; Using join buffer
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
 drop table t1,t2,t3;
 create table t1 (a float);
 select 10.5 IN (SELECT * from t1 LIMIT 1);
@@ -1024,19 +1024,19 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select rand() AS `RAND()` from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
+Note	1003	select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select encrypt('test') AS `ENCRYPT('test')` from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
+Note	1003	select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
 EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 2	UNCACHEABLE SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select (select benchmark(1,1) AS `BENCHMARK(1,1)` from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
+Note	1003	select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
 drop table t1;
 CREATE TABLE `t1` (
 `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1131,7 +1131,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 3	UNCACHEABLE SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() AS `rand()` from `test`.`t1` limit 1) AS `(select rand() from t1 limit 1)` from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
+Note	1003	select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1)  from t1 limit 1)` from `test`.`t1`
 drop table t1;
 select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country  where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
 ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1185,7 +1185,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 INSERT INTO t1 (pseudo) VALUES ('test1');
 SELECT 0 IN (SELECT 1 FROM t1 a);
 0 IN (SELECT 1 FROM t1 a)
@@ -1195,7 +1195,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 Warnings:
-Note	1003	select <in_optimizer>(0,<exists>(select 1 AS `Not_used` from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
+Note	1003	select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0)) AS `0 IN (SELECT 1 FROM t1 a)`
 drop table t1;
 CREATE TABLE `t1` (
 `i` int(11) NOT NULL default '0',
@@ -1240,7 +1240,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ref	salary	salary	5	const	1	100.00	Using index condition
 2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
 Warnings:
-Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) AS `MAX(salary)` from `test`.`t1`))
+Note	1003	select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`))
 drop table t1;
 CREATE TABLE t1 (
 ID int(10) unsigned NOT NULL auto_increment,
@@ -1302,7 +1302,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	index	NULL	PRIMARY	4	NULL	4	100.00	Using where; Using index
 2	SUBQUERY	t1	index	NULL	PRIMARY	4	NULL	4	100.00	Using index
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a
 2
@@ -1312,7 +1312,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	index	NULL	PRIMARY	4	NULL	4	100.00	Using where; Using index
 2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`b` <> 30) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` where (`test`.`t1`.`b` <> 30) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
 a
 2
@@ -1323,7 +1323,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	SUBQUERY	t3	index	PRIMARY	PRIMARY	4	NULL	3	100.00	Using index
 2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where; Using join buffer
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`b` = `test`.`t3`.`a`) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`b` = `test`.`t3`.`a`) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 drop table t1, t2, t3;
 create table t1 (a int, b int, index a (a,b));
 create table t2 (a int, index a (a));
@@ -1345,7 +1345,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	100.00	Using where; Using index
 2	SUBQUERY	t1	index	NULL	a	10	NULL	10004	100.00	Using index
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a
 2
@@ -1355,7 +1355,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	100.00	Using where; Using index
 2	SUBQUERY	t1	index	NULL	a	10	NULL	10004	100.00	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`b` <> 30) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` where (`test`.`t1`.`b` <> 30) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
 a
 2
@@ -1366,7 +1366,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	SUBQUERY	t3	index	a	a	5	NULL	3	100.00	Using index
 2	SUBQUERY	t1	index	NULL	a	10	NULL	10004	100.00	Using where; Using index; Using join buffer
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`b` = `test`.`t3`.`a`) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where (`test`.`t1`.`b` = `test`.`t3`.`a`) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 insert into t1 values (3,31);
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a
@@ -1382,7 +1382,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	100.00	Using where; Using index
 2	SUBQUERY	t1	index	NULL	a	10	NULL	10005	100.00	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`b` <> 30) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` where (`test`.`t1`.`b` <> 30) ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where ((`test`.`t2`.`a` = `materialized subselect`.`a`)))))
 drop table t0, t1, t2, t3;
 create table t1 (a int, b int);
 create table t2 (a int, b int);
@@ -1506,7 +1506,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`)))
 select * from t3 where a >= some (select b from t2);
 a
 explain extended select * from t3 where a >= some (select b from t2);
@@ -1514,7 +1514,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min('0') from `test`.`t2`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`)))
 select * from t3 where a >= all (select b from t2 group by 1);
 a
 6
@@ -1525,7 +1525,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where a >= some (select b from t2 group by 1);
 a
 explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1533,7 +1533,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select '0' AS `b` from `test`.`t2` group by 1)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>((`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1)))
 select * from t3 where NULL >= any (select b from t2);
 a
 explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1576,7 +1576,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	4	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) AS `max(b)` from `test`.`t2` group by `test`.`t2`.`a`)))
+Note	1003	select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>((`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`)))
 drop table t2, t3;
 CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY  (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
 INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1753,7 +1753,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	eq_ref	PRIMARY	PRIMARY	4	test.tt.id	1	100.00	Using where; Using index
 Warnings:
 Note	1276	Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` AS `id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
+Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
 insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
 create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
 insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2289,7 +2289,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	DEPENDENT SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
-Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 AS `Not_used` from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
+Note	1003	select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
 drop table t1;
 CREATE TABLE t1 (t1_a int);
 INSERT INTO t1 VALUES (1);
@@ -2830,19 +2830,19 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = 'N') ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where ((`test`.`t1`.`one` = `materialized subselect`.`one`) and (`test`.`t1`.`two` = `materialized subselect`.`two`)))))
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = 'N') ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where ((`test`.`t1`.`one` = `materialized subselect`.`one`) and (`test`.`t1`.`two` = `materialized subselect`.`two`)))))
 explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
+Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`
 DROP TABLE t1,t2;
 CREATE TABLE t1 (a char(5), b char(5));
 INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@@ -4329,13 +4329,13 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 AS `1` from `test`.`t1` group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 from `test`.`t1` group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
 EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT 1 FROM t1 WHERE a > 3 GROUP BY a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using temporary; Using filesort
 Warnings:
-Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 AS `1` from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
+Note	1003	select 1 AS `1` from `test`.`t1` where <in_optimizer>(1,1 in ( <materialize> (select 1 from `test`.`t1` where (`test`.`t1`.`a` > 3) group by `test`.`t1`.`a` ), <primary_index_lookup>(1 in <temporary table> on distinct_key where ((1 = `materialized subselect`.`1`)))))
 DROP TABLE t1;
 #
 # Bug#45061: Incorrectly market field caused wrong result.
@@ -4822,7 +4822,108 @@ FROM t1,t1 a
 );
 1
 DROP TABLE t1;
+#
+# Bug #45989 take 2 : memory leak after explain encounters an 
+# error in the query
+#
+CREATE TABLE t1(a LONGTEXT);
+INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet));
+INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet));
+EXPLAIN EXTENDED SELECT DISTINCT 1 FROM t1,
+(SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) AS d1  
+WHERE t1.a = d1.a;
+ERROR 42S22: Unknown column 'd1.a' in 'where clause'
+DROP TABLE t1;
 End of 5.1 tests.
+Set up test tables.
+CREATE TABLE t1 (
+t1_id INT UNSIGNED,
+PRIMARY KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t1 (t1_id) VALUES (1), (2), (3), (4), (5);
+CREATE TABLE t2 SELECT * FROM t1;
+CREATE TABLE t3 (
+t3_id INT UNSIGNED AUTO_INCREMENT,
+t1_id INT UNSIGNED,
+amount DECIMAL(16,2),
+PRIMARY KEY(t3_id),
+KEY(t1_id)
+) Engine=MyISAM;
+INSERT INTO t3 (t1_id, t3_id, amount) 
+VALUES (1, 1, 100.00), (2, 2, 200.00), (4, 4, 400.00);
+This is the 'inner query' running by itself.
+Produces correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query)
+Produces correct results.
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+Now make t2.t1_id part of a key.
+ALTER TABLE t2 ADD PRIMARY KEY(t1_id);
+Same inner query by itself.
+Still correct results.
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+SELECT * FROM (the same inner query), now with indexes on the LEFT JOIN
+SELECT * FROM (
+SELECT
+t1.t1_id,
+IFNULL((SELECT SUM(amount) FROM t3 WHERE t3.t1_id=t1.t1_id), 0) AS total_amount
+FROM
+t1
+LEFT JOIN t2 ON t2.t1_id=t1.t1_id
+GROUP BY
+t1.t1_id
+) AS t;
+t1_id	total_amount
+1	100.00
+2	200.00
+3	0.00
+4	400.00
+5	0.00
+DROP TABLE t3;
+DROP TABLE t2;
+DROP TABLE t1;
 set optimizer_switch=default;
 show variables like 'optimizer_switch';
 Variable_name	Value
diff --git a/mysql-test/r/subselect_sj.result b/mysql-test/r/subselect_sj.result
index 1b7965442c0..f27d83d77fa 100644
--- a/mysql-test/r/subselect_sj.result
+++ b/mysql-test/r/subselect_sj.result
@@ -811,11 +811,11 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 AS `Not_used` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
 show warnings;
 Level	Code	Message
 Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 AS `Not_used` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
 select a from t1
 where a in (select c from t2 where d >= some(select e from t3 where b=e));
 a
diff --git a/mysql-test/r/subselect_sj_jcl6.result b/mysql-test/r/subselect_sj_jcl6.result
index 47c3131f944..b593a8320fd 100644
--- a/mysql-test/r/subselect_sj_jcl6.result
+++ b/mysql-test/r/subselect_sj_jcl6.result
@@ -815,11 +815,11 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	4	100.00	Using where
 Warnings:
 Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 AS `Not_used` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
 show warnings;
 Level	Code	Message
 Note	1276	Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 AS `Not_used` from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t1`.`a` = `test`.`t2`.`c`) and <nop>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select 1 from `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`e`) and (<cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))))
 select a from t1
 where a in (select c from t2 where d >= some(select e from t3 where b=e));
 a
diff --git a/mysql-test/r/symlink.result b/mysql-test/r/symlink.result
index 245dcec04da..4dac7443135 100644
--- a/mysql-test/r/symlink.result
+++ b/mysql-test/r/symlink.result
@@ -168,4 +168,16 @@ Warning	1618	<DATA DIRECTORY> option ignored
 Warning	1618	<INDEX DIRECTORY> option ignored
 DROP TABLE t1;
 SET @@SQL_MODE=@OLD_SQL_MODE;
+#
+# BUG#40980 - Drop table can remove another MyISAM table's
+#             data and index files
+#
+CREATE TABLE user(a INT) DATA DIRECTORY='MYSQL_TMP_DIR/mysql'
+                             INDEX DIRECTORY='MYSQL_TMP_DIR/mysql';
+FLUSH TABLE user;
+# Symlinking mysql database to tmpdir
+FLUSH TABLE mysql.user;
+DROP TABLE user;
+FLUSH TABLE mysql.user;
+SELECT * FROM mysql.user;
 End of 5.1 tests
diff --git a/mysql-test/r/system_mysql_db.result b/mysql-test/r/system_mysql_db.result
index 17fd95ab1c8..aa407b25401 100644
--- a/mysql-test/r/system_mysql_db.result
+++ b/mysql-test/r/system_mysql_db.result
@@ -118,6 +118,8 @@ user	CREATE TABLE `user` (
   `max_updates` int(11) unsigned NOT NULL DEFAULT '0',
   `max_connections` int(11) unsigned NOT NULL DEFAULT '0',
   `max_user_connections` int(11) unsigned NOT NULL DEFAULT '0',
+  `plugin` char(60) CHARACTER SET latin1 NOT NULL DEFAULT '',
+  `auth_string` text COLLATE utf8_bin NOT NULL,
   PRIMARY KEY (`Host`,`User`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Users and global privileges'
 show create table func;
@@ -200,7 +202,7 @@ proc	CREATE TABLE `proc` (
   `definer` char(77) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '',
   `created` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   `modified` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `sql_mode` set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH') NOT NULL DEFAULT '',
+  `sql_mode` set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH') NOT NULL DEFAULT '',
   `comment` char(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '',
   `character_set_client` char(32) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,
   `collation_connection` char(32) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,
@@ -225,7 +227,7 @@ event	CREATE TABLE `event` (
   `ends` datetime DEFAULT NULL,
   `status` enum('ENABLED','DISABLED','SLAVESIDE_DISABLED') NOT NULL DEFAULT 'ENABLED',
   `on_completion` enum('DROP','PRESERVE') NOT NULL DEFAULT 'DROP',
-  `sql_mode` set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH') NOT NULL DEFAULT '',
+  `sql_mode` set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH') NOT NULL DEFAULT '',
   `comment` char(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '',
   `originator` int(10) unsigned NOT NULL,
   `time_zone` char(64) CHARACTER SET latin1 NOT NULL DEFAULT 'SYSTEM',
diff --git a/mysql-test/r/table_elim.result b/mysql-test/r/table_elim.result
index e71919344eb..a1b8ba0018d 100644
--- a/mysql-test/r/table_elim.result
+++ b/mysql-test/r/table_elim.result
@@ -141,7 +141,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t2	ref	PRIMARY	PRIMARY	4	test.a2.id	2	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where ((`f`.`id` = `a2`.`id`) and (`a2`.`attr2` between 12 and 14) and (`a2`.`fromdate` = (select max(`test`.`t2`.`fromdate`) AS `MAX(fromdate)` from `test`.`t2` where (`test`.`t2`.`id` = `a2`.`id`))))
+Note	1003	select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where ((`f`.`id` = `a2`.`id`) and (`a2`.`attr2` between 12 and 14) and (`a2`.`fromdate` = (select max(`test`.`t2`.`fromdate`) from `test`.`t2` where (`test`.`t2`.`id` = `a2`.`id`))))
 This should use one table:
 explain select id from v2 where id=2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
@@ -169,7 +169,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 3	DEPENDENT SUBQUERY	t2	ref	PRIMARY	PRIMARY	4	test.f.id	2	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #1
-Note	1003	select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where ((`f`.`id` = `a2`.`id`) and (`a2`.`attr2` between 12 and 14) and (`a2`.`fromdate` = (select max(`test`.`t2`.`fromdate`) AS `MAX(fromdate)` from `test`.`t2` where (`test`.`t2`.`id` = `f`.`id`))))
+Note	1003	select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where ((`f`.`id` = `a2`.`id`) and (`a2`.`attr2` between 12 and 14) and (`a2`.`fromdate` = (select max(`test`.`t2`.`fromdate`) from `test`.`t2` where (`test`.`t2`.`id` = `f`.`id`))))
 drop view v1, v2;
 drop table t0, t1, t2;
 create table t1 (a int);
diff --git a/mysql-test/r/table_options.result b/mysql-test/r/table_options.result
new file mode 100644
index 00000000000..e5b23ea4a5a
--- /dev/null
+++ b/mysql-test/r/table_options.result
@@ -0,0 +1,182 @@
+drop table if exists t1;
+SET @OLD_SQL_MODE=@@SQL_MODE;
+SET SQL_MODE='IGNORE_BAD_TABLE_OPTIONS';
+create table t1 (a int fkey=vvv, key akey (a) dff=vvv) tkey1='1v1';
+Warnings:
+Warning	1650	Unknown option 'fkey'
+Warning	1650	Unknown option 'dff'
+Warning	1650	Unknown option 'tkey1'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey`=vvv,
+  KEY `akey` (`a`) `dff`=vvv
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey1`='1v1'
+drop table t1;
+#reassiginig options in the same line
+create table t1 (a int fkey=vvv, key akey (a) dff=vvv) tkey1=1v1 TKEY1=DEFAULT tkey1=1v2 tkey2=2v1;
+Warnings:
+Warning	1650	Unknown option 'fkey'
+Warning	1650	Unknown option 'dff'
+Warning	1650	Unknown option 'tkey1'
+Warning	1650	Unknown option 'tkey2'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey`=vvv,
+  KEY `akey` (`a`) `dff`=vvv
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey1`=1v2 `tkey2`=2v1
+#add option
+alter table t1 tkey4=4v1;
+Warnings:
+Warning	1650	Unknown option 'tkey4'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey`=vvv,
+  KEY `akey` (`a`) `dff`=vvv
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey1`=1v2 `tkey2`=2v1 `tkey4`=4v1
+#remove options 
+alter table t1 tkey3=DEFAULT tkey4=DEFAULT;
+Warnings:
+Warning	1650	Unknown option 'tkey3'
+Warning	1650	Unknown option 'tkey4'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey`=vvv,
+  KEY `akey` (`a`) `dff`=vvv
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey1`=1v2 `tkey2`=2v1
+drop table t1;
+create table t1 (a int fkey1=v1, key akey (a) kkey1=v1) tkey1=1v1 tkey1=1v2 TKEY1=DEFAULT tkey2=2v1 tkey3=3v1;
+Warnings:
+Warning	1650	Unknown option 'fkey1'
+Warning	1650	Unknown option 'kkey1'
+Warning	1650	Unknown option 'TKEY1'
+Warning	1650	Unknown option 'tkey2'
+Warning	1650	Unknown option 'tkey3'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v1,
+  KEY `akey` (`a`) `kkey1`=v1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#change field with option with the same value
+alter table t1 change a a int `FKEY1`='v1';
+Warnings:
+Warning	1650	Unknown option 'FKEY1'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `FKEY1`='v1',
+  KEY `akey` (`a`) `kkey1`=v1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#change field with option with a different value
+alter table t1 change a a int fkey1=v2;
+Warnings:
+Warning	1650	Unknown option 'fkey1'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  KEY `akey` (`a`) `kkey1`=v1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#new column no options
+alter table t1 add column b int;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `b` int(11) DEFAULT NULL,
+  KEY `akey` (`a`) `kkey1`=v1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#new key with options
+alter table t1 add key bkey (b) kkey2=v1;
+Warnings:
+Warning	1650	Unknown option 'kkey2'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `b` int(11) DEFAULT NULL,
+  KEY `akey` (`a`) `kkey1`=v1,
+  KEY `bkey` (`b`) `kkey2`=v1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#new column with options
+alter table t1 add column c int fkey1=v1 fkey2=v2;
+Warnings:
+Warning	1650	Unknown option 'fkey1'
+Warning	1650	Unknown option 'fkey2'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `b` int(11) DEFAULT NULL,
+  `c` int(11) DEFAULT NULL `fkey1`=v1 `fkey2`=v2,
+  KEY `akey` (`a`) `kkey1`=v1,
+  KEY `bkey` (`b`) `kkey2`=v1
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#new key no options
+alter table t1 add key ckey (c);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `b` int(11) DEFAULT NULL,
+  `c` int(11) DEFAULT NULL `fkey1`=v1 `fkey2`=v2,
+  KEY `akey` (`a`) `kkey1`=v1,
+  KEY `bkey` (`b`) `kkey2`=v1,
+  KEY `ckey` (`c`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#drop column
+alter table t1 drop b;
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `c` int(11) DEFAULT NULL `fkey1`=v1 `fkey2`=v2,
+  KEY `akey` (`a`) `kkey1`=v1,
+  KEY `ckey` (`c`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#add column with options after delete
+alter table t1 add column b int fkey2=v1;
+Warnings:
+Warning	1650	Unknown option 'fkey2'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `c` int(11) DEFAULT NULL `fkey1`=v1 `fkey2`=v2,
+  `b` int(11) DEFAULT NULL `fkey2`=v1,
+  KEY `akey` (`a`) `kkey1`=v1,
+  KEY `ckey` (`c`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+#add key 
+alter table t1 add key bkey (b) kkey2=v2;
+Warnings:
+Warning	1650	Unknown option 'kkey2'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL `fkey1`=v2,
+  `c` int(11) DEFAULT NULL `fkey1`=v1 `fkey2`=v2,
+  `b` int(11) DEFAULT NULL `fkey2`=v1,
+  KEY `akey` (`a`) `kkey1`=v1,
+  KEY `ckey` (`c`),
+  KEY `bkey` (`b`) `kkey2`=v2
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey2`=2v1 `tkey3`=3v1
+drop table t1;
+create table t1 (a int) tkey1=100;
+Warnings:
+Warning	1650	Unknown option 'tkey1'
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 `tkey1`=100
+drop table t1;
+#error on unknown option
+SET SQL_MODE='';
+create table t1 (a int fkey=vvv, key akey (a) dff=vvv) tkey1=1v1;
+ERROR HY000: Unknown option 'fkey'
+SET @@SQL_MODE=@OLD_SQL_MODE;
diff --git a/mysql-test/r/trigger.result b/mysql-test/r/trigger.result
index 17a1af9d74b..98208cdfbeb 100644
--- a/mysql-test/r/trigger.result
+++ b/mysql-test/r/trigger.result
@@ -2060,4 +2060,68 @@ ERROR 42S02: Table 'test.a_nonextisting_table' doesn't exist
 SELECT * FROM t2;
 a	b
 DROP TABLE t1, t2;
+#
+# Bug#51650 crash with user variables and triggers
+#
+DROP TRIGGER IF EXISTS trg1;
+DROP TABLE IF EXISTS t1, t2;
+CREATE TABLE t1 (b VARCHAR(50) NOT NULL);
+CREATE TABLE t2 (a VARCHAR(10) NOT NULL DEFAULT '');
+CREATE TRIGGER trg1 AFTER INSERT ON t2
+FOR EACH ROW BEGIN
+SELECT 1 FROM t1 c WHERE
+(@bug51650 IS NULL OR @bug51650 != c.b) AND c.b = NEW.a LIMIT 1 INTO @foo;
+END//
+SET @bug51650 = 1;
+INSERT IGNORE INTO t2 VALUES();
+Warnings:
+Warning	1329	No data - zero rows fetched, selected, or processed
+INSERT IGNORE INTO t1 SET b = '777';
+INSERT IGNORE INTO t2 SET a = '111';
+Warnings:
+Warning	1329	No data - zero rows fetched, selected, or processed
+SET @bug51650 = 1;
+INSERT IGNORE INTO t2 SET a = '777';
+DROP TRIGGER trg1;
+DROP TABLE t1, t2;
+CREATE TABLE t1 (id INT NOT NULL);
+CREATE TABLE t2 (id INT NOT NULL);
+INSERT t1 VALUES (1),(2),(3);
+UPDATE t1 SET id=NULL;
+Warnings:
+Warning	1048	Column 'id' cannot be null
+Warning	1048	Column 'id' cannot be null
+Warning	1048	Column 'id' cannot be null
+CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
+INSERT INTO t2 VALUES (3);
+UPDATE t1 SET id=NULL;
+Warnings:
+Warning	1048	Column 'id' cannot be null
+Warning	1048	Column 'id' cannot be null
+Warning	1048	Column 'id' cannot be null
+DROP TRIGGER t1_bu;
+DROP TABLE t1,t2;
+#
+# Bug#50755: Crash if stored routine def contains version comments
+#
+DROP DATABASE IF EXISTS db1;
+DROP TRIGGER IF EXISTS trg1;
+DROP TABLE IF EXISTS t1, t2;
+CREATE DATABASE db1;
+USE db1;
+CREATE TABLE t1 (b INT);
+CREATE TABLE t2 (a INT);
+CREATE TRIGGER trg1 BEFORE INSERT ON t2 FOR EACH ROW INSERT/*!INTO*/t1 VALUES (1);
+# Used to crash
+SHOW TRIGGERS IN db1;
+Trigger	Event	Table	Statement	Timing	Created	sql_mode	Definer	character_set_client	collation_connection	Database Collation
+Warnings:
+Warning	1064	You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'VALUES (1)' at line 1
+INSERT INTO t2 VALUES (1);
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'VALUES (1)' at line 1
+SELECT * FROM t1;
+b
+# Work around Bug#45235
+DROP DATABASE db1;
+USE test;
 End of 5.1 tests.
diff --git a/mysql-test/r/type_bit.result b/mysql-test/r/type_bit.result
index 51feab0a421..9f32a10a3fb 100644
--- a/mysql-test/r/type_bit.result
+++ b/mysql-test/r/type_bit.result
@@ -785,4 +785,19 @@ t1	CREATE TABLE `t1` (
   KEY `a` (`a`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
+#
+# Bug#50591 bit(31) causes Duplicate entry '1-NULL' for key 'group_key'
+#
+CREATE TABLE t1(a INT, b BIT(7) NOT NULL);
+INSERT INTO t1 VALUES (NULL, 0),(NULL, 0);
+SELECT SUM(a) FROM t1 GROUP BY b, a;
+SUM(a)
+NULL
+DROP TABLE t1;
+CREATE TABLE t1(a INT, b BIT(7) NOT NULL, c BIT(8) NOT NULL);
+INSERT INTO t1 VALUES (NULL, 0, 0),(NULL, 0, 0);
+SELECT SUM(a) FROM t1 GROUP BY c, b, a;
+SUM(a)
+NULL
+DROP TABLE t1;
 End of 5.1 tests
diff --git a/mysql-test/r/type_blob.result b/mysql-test/r/type_blob.result
index d11ab236c34..08c30d884fd 100644
--- a/mysql-test/r/type_blob.result
+++ b/mysql-test/r/type_blob.result
@@ -891,11 +891,11 @@ CREATE TABLE b15776 (a year(-2));
 ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-2))' at line 1
 CREATE TABLE b15776 (a timestamp(4294967294));
 Warnings:
-Warning	1287	The syntax 'TIMESTAMP(4294967294)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(4294967294)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
 DROP TABLE b15776;
 CREATE TABLE b15776 (a timestamp(4294967295));
 Warnings:
-Warning	1287	The syntax 'TIMESTAMP(4294967295)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(4294967295)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
 DROP TABLE b15776;
 CREATE TABLE b15776 (a timestamp(4294967296));
 ERROR 42000: Display width out of range for column 'a' (max = 4294967295)
diff --git a/mysql-test/r/type_date.result b/mysql-test/r/type_date.result
index dc3472fc1e0..8c07668cf58 100644
--- a/mysql-test/r/type_date.result
+++ b/mysql-test/r/type_date.result
@@ -279,4 +279,25 @@ select * from t1 where a between '0000-00-01' and '0000-00-02';
 a
 0000-00-01
 drop table t1;
+#
+# Bug#50918: Date columns treated differently in Views than in Base
+# Tables
+#
+CREATE TABLE t1 ( the_date DATE, the_time TIME );
+INSERT INTO t1 VALUES ( '2010-01-01', '01:01:01' );
+SELECT * FROM t1 t11 JOIN t1 t12 ON addtime( t11.the_date, t11.the_time ) = 
+addtime( t12.the_date, t12.the_time );
+the_date	the_time	the_date	the_time
+2010-01-01	01:01:01	2010-01-01	01:01:01
+CREATE VIEW v1 AS SELECT * FROM t1;
+SELECT * FROM t1 JOIN v1 ON addtime( t1.the_date, t1.the_time ) = 
+addtime( v1.the_date, v1.the_time );
+the_date	the_time	the_date	the_time
+2010-01-01	01:01:01	2010-01-01	01:01:01
+SELECT * FROM t1 JOIN v1 ON addtime( t1.the_date, t1.the_time ) = 
+addtime( cast(v1.the_date AS DATETIME), v1.the_time );
+the_date	the_time	the_date	the_time
+2010-01-01	01:01:01	2010-01-01	01:01:01
+DROP TABLE t1;
+DROP VIEW v1;
 End of 5.1 tests
diff --git a/mysql-test/r/type_timestamp.result b/mysql-test/r/type_timestamp.result
index 24cb725de9f..e26c2e68775 100644
--- a/mysql-test/r/type_timestamp.result
+++ b/mysql-test/r/type_timestamp.result
@@ -101,13 +101,13 @@ create table t1 (t2 timestamp(2), t4 timestamp(4), t6 timestamp(6),
 t8 timestamp(8), t10 timestamp(10), t12 timestamp(12),
 t14 timestamp(14));
 Warnings:
-Warning	1287	The syntax 'TIMESTAMP(2)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
-Warning	1287	The syntax 'TIMESTAMP(4)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
-Warning	1287	The syntax 'TIMESTAMP(6)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
-Warning	1287	The syntax 'TIMESTAMP(8)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
-Warning	1287	The syntax 'TIMESTAMP(10)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
-Warning	1287	The syntax 'TIMESTAMP(12)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
-Warning	1287	The syntax 'TIMESTAMP(14)' is deprecated and will be removed in MySQL 6.0. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(2)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(4)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(6)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(8)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(10)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(12)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
+Warning	1287	'TIMESTAMP(14)' is deprecated and will be removed in a future release. Please use 'TIMESTAMP' instead
 insert t1 values (0,0,0,0,0,0,0),
 ("1997-12-31 23:47:59", "1997-12-31 23:47:59", "1997-12-31 23:47:59",
 "1997-12-31 23:47:59", "1997-12-31 23:47:59", "1997-12-31 23:47:59",
diff --git a/mysql-test/r/type_year.result b/mysql-test/r/type_year.result
index 56b326327c6..8948214f565 100644
--- a/mysql-test/r/type_year.result
+++ b/mysql-test/r/type_year.result
@@ -309,4 +309,36 @@ yyyy	c4
 2069	2069
 DROP TABLE t2, t4;
 #
+# Bug #49910: Behavioural change in SELECT/WHERE on YEAR(4) data type
+#
+CREATE TABLE t1 (y YEAR NOT NULL, s VARCHAR(4));
+INSERT INTO t1 (s) VALUES ('bad');
+Warnings:
+Warning	1364	Field 'y' doesn't have a default value
+INSERT INTO t1 (y, s) VALUES (0, 0), (2000, 2000), (2001, 2001);
+SELECT * FROM t1 ta, t1 tb WHERE ta.y = tb.y;
+y	s	y	s
+0000	bad	0000	bad
+0000	0	0000	bad
+0000	bad	0000	0
+0000	0	0000	0
+2000	2000	2000	2000
+2001	2001	2001	2001
+SELECT * FROM t1 WHERE t1.y = 0;
+y	s
+0000	bad
+0000	0
+SELECT * FROM t1 WHERE t1.y = 2000;
+y	s
+2000	2000
+SELECT ta.y AS ta_y, ta.s, tb.y AS tb_y, tb.s FROM t1 ta, t1 tb HAVING ta_y = tb_y;
+ta_y	s	tb_y	s
+0000	bad	0000	bad
+0000	0	0000	bad
+0000	bad	0000	0
+0000	0	0000	0
+2000	2000	2000	2000
+2001	2001	2001	2001
+DROP TABLE t1;
+#
 End of 5.1 tests
diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result
index cac9c2a4c5e..15387b59c4d 100644
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@@ -1585,7 +1585,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 2	UNION	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
 NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
 Warnings:
-Note	1003	select '0' AS `a` from `test`.`t1` union select '0' AS `a` from `test`.`t1` order by `a`
+Note	1003	select NULL AS `a` from `test`.`t1` union select NULL AS `a` from `test`.`t1` order by `a`
 DROP TABLE t1;
 End of 5.0 tests
 # 
@@ -1636,7 +1636,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
 Warnings:
 Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by (select `test`.`t1`.`a` AS `a` from `test`.`t2` where (`test`.`t2`.`b` = 12))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by (select `test`.`t1`.`a` from `test`.`t2` where (`test`.`t2`.`b` = 12))
 # Should not crash
 SELECT * FROM t1 UNION SELECT * FROM t1
 ORDER BY (SELECT a FROM t2 WHERE b = 12);
diff --git a/mysql-test/r/update.result b/mysql-test/r/update.result
index d859579e835..006eaba4e69 100644
--- a/mysql-test/r/update.result
+++ b/mysql-test/r/update.result
@@ -514,3 +514,16 @@ ALTER TABLE t2 COMMENT = 'ABC';
 UPDATE t2, t1 SET t2.f1 = 2, t1.f1 = 9;
 ALTER TABLE t2 COMMENT = 'DEF';
 DROP TABLE t1, t2;
+#
+# Bug#50545: Single table UPDATE IGNORE crashes on join view in
+# sql_safe_updates mode.
+#
+CREATE TABLE t1 ( a INT, KEY( a ) );
+INSERT INTO t1 VALUES (0), (1);
+CREATE VIEW v1 AS SELECT t11.a, t12.a AS b FROM t1 t11, t1 t12;
+SET SESSION sql_safe_updates = 1;
+UPDATE IGNORE v1 SET a = 1;
+ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
+SET SESSION sql_safe_updates = DEFAULT;
+DROP TABLE t1;
+DROP VIEW v1;
diff --git a/mysql-test/r/variables.result b/mysql-test/r/variables.result
index d3d9cb21b83..54506a9a4a2 100644
--- a/mysql-test/r/variables.result
+++ b/mysql-test/r/variables.result
@@ -519,6 +519,8 @@ select @@max_user_connections;
 100
 set global max_write_lock_count=100;
 set myisam_sort_buffer_size=100;
+Warnings:
+Warning	1292	Truncated incorrect myisam_sort_buffer_size value: '100'
 set global net_buffer_length=100;
 Warnings:
 Warning	1292	Truncated incorrect net_buffer_length value: '100'
@@ -1483,4 +1485,13 @@ SELECT @@GLOBAL.max_binlog_cache_size;
 @@GLOBAL.max_binlog_cache_size
 5368709120
 SET GLOBAL max_binlog_cache_size = @old_max_binlog_cache_size;
+#
+# Bug #37168 : Missing variable - skip_name_resolve
+#
+SELECT @@skip_name_resolve;
+@@skip_name_resolve
+0
+SHOW VARIABLES LIKE 'skip_name_resolve';
+Variable_name	Value
+skip_name_resolve	OFF
 End of 5.1 tests
diff --git a/mysql-test/r/variables+c.result b/mysql-test/r/variables_community.result
index 7a2976d1267..7a2976d1267 100644
--- a/mysql-test/r/variables+c.result
+++ b/mysql-test/r/variables_community.result
diff --git a/mysql-test/r/variables_debug.result b/mysql-test/r/variables_debug.result
index 9cd133dddb1..85eaf34b033 100644
--- a/mysql-test/r/variables_debug.result
+++ b/mysql-test/r/variables_debug.result
@@ -10,3 +10,16 @@ set debug= '-P';
 select @@debug;
 @@debug
 T
+#
+# Bug #52629: memory leak from sys_var_thd_dbug in 
+#  binlog.binlog_write_error
+#
+SET GLOBAL debug='d,injecting_fault_writing';
+SELECT @@global.debug;
+@@global.debug
+d,injecting_fault_writing
+SET GLOBAL debug='';
+SELECT @@global.debug;
+@@global.debug
+
+End of 5.1 tests
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index 4386f6ed474..1d9f8a84e24 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -717,7 +717,7 @@ create view v1 as select a from t1;
 create view v2 as select a from t2 where a in (select a from v1);
 show create view v2;
 View	Create View	character_set_client	collation_connection
-v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`a` AS `a` from `t2` where `t2`.`a` in (select `v1`.`a` AS `a` from `v1`)	latin1	latin1_swedish_ci
+v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`a` AS `a` from `t2` where `t2`.`a` in (select `v1`.`a` from `v1`)	latin1	latin1_swedish_ci
 drop view v2, v1;
 drop table t1, t2;
 CREATE VIEW `v 1` AS select 5 AS `5`;
@@ -2982,7 +2982,7 @@ SHOW WARNINGS;
 Level	Code	Message
 SHOW CREATE VIEW v1;
 View	Create View	character_set_client	collation_connection
-v1	CREATE ALGORITHM=MERGE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`pk` AS `pk` from (`t1` join `t2` on(((`t2`.`fk` = `t1`.`pk`) and (`t2`.`ver` = (select max(`t`.`ver`) AS `MAX(t.ver)` from `t2` `t` where (`t`.`org` = `t2`.`org`))))))	latin1	latin1_swedish_ci
+v1	CREATE ALGORITHM=MERGE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`pk` AS `pk` from (`t1` join `t2` on(((`t2`.`fk` = `t1`.`pk`) and (`t2`.`ver` = (select max(`t`.`ver`) from `t2` `t` where (`t`.`org` = `t2`.`org`))))))	latin1	latin1_swedish_ci
 DROP VIEW v1;
 DROP TABLE t1, t2;
 DROP FUNCTION IF EXISTS f1;
@@ -3844,6 +3844,44 @@ CREATE VIEW v1 AS SELECT a FROM t1;
 ALTER TABLE v1;
 DROP VIEW v1;
 DROP TABLE t1;
+#
+# Bug#48449: hang on show create view after upgrading when
+#            view contains function of view
+#
+DROP VIEW IF EXISTS v1,v2;
+DROP TABLE IF EXISTS t1,t2;
+DROP FUNCTION IF EXISTS f1;
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (a INT);
+CREATE FUNCTION f1() RETURNS INT
+BEGIN
+SELECT a FROM v2 INTO @a;
+RETURN @a;
+END//
+# Trigger pre-locking when opening v2.
+CREATE VIEW v1 AS SELECT f1() FROM t1;
+SHOW CREATE VIEW v1;
+View	Create View	character_set_client	collation_connection
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `f1`() AS `f1()` from `t1`	latin1	latin1_swedish_ci
+Warnings:
+Note	1599	View `test`.`v2` has no creation context
+DROP VIEW v1,v2;
+DROP TABLE t1,t2;
+DROP FUNCTION f1;
+CREATE TABLE t1(f1 INT);
+INSERT INTO t1 VALUES ();
+CREATE VIEW v1 AS SELECT 1 FROM t1 WHERE
+ROW(1,1) >= ROW(1, (SELECT 1 FROM t1 WHERE  f1 >= ANY ( SELECT '1' )));
+DROP VIEW v1;
+DROP TABLE t1;
+#
+# Bug#52120 create view cause Assertion failed: 0, file .\item_subselect.cc, line 817
+#
+CREATE TABLE t1 (a CHAR(1) CHARSET latin1, b CHAR(1) CHARSET utf8);
+CREATE VIEW v1 AS SELECT 1 from t1
+WHERE t1.b <=> (SELECT a FROM t1 WHERE a < SOME(SELECT '1'));
+DROP VIEW v1;
+DROP TABLE t1;
 # -----------------------------------------------------------------
 # -- End of 5.1 tests.
 # -----------------------------------------------------------------
diff --git a/mysql-test/r/view_alias.result b/mysql-test/r/view_alias.result
new file mode 100644
index 00000000000..72c4bf29f25
--- /dev/null
+++ b/mysql-test/r/view_alias.result
@@ -0,0 +1,111 @@
+#
+# Bug#40277 SHOW CREATE VIEW returns invalid SQL
+# Bug#41999 SHOW CREATE VIEW returns invalid SQL if subquery is used in SELECT list
+#
+# 65 characters exceed the maximum length of a column identifier. The system cannot derive the name from statement.
+#    Constant with length = 65 . Expect to get the identifier 'Name_exp_1'.
+CREATE VIEW v1 AS SELECT '<--- 65 char including the arrows                            --->';
+SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1';
+COLUMN_NAME
+Name_exp_1
+DROP VIEW v1;
+CREATE VIEW v1 AS select '<--- 65 char including the arrows                            --->' AS `Name_exp_1`;
+DROP VIEW v1;
+CREATE VIEW v1 AS select '<--- 65 char including the arrows                            --->' AS `Name_exp_1`;
+DROP VIEW v1;
+#    Subquery with length = 65 . Expect to get the identifier 'Name_exp_1'.
+#    Attention: Identifier for the column within the subquery will be not generated.
+CREATE VIEW v1 AS SELECT (SELECT '<--- 54 char including the arrows (+ 11 outside)   -->');
+SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1';
+COLUMN_NAME
+Name_exp_1
+DROP VIEW v1;
+CREATE VIEW v1 AS select (select '<--- 54 char including the arrows (+ 11 outside)   -->') AS `Name_exp_1`;
+DROP VIEW v1;
+CREATE VIEW v1 AS select (select '<--- 54 char including the arrows (+ 11 outside)   -->') AS `Name_exp_1`;
+DROP VIEW v1;
+# -----------------------------------------------------------------------------------------------------------------
+# 64 characters are the maximum length of a column identifier. The system can derive the name from the statement.
+CREATE VIEW v1 AS SELECT '<--- 64 char including the arrows                           --->';
+SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1';
+COLUMN_NAME
+<--- 64 char including the arrows                           --->
+DROP VIEW v1;
+CREATE VIEW v1 AS select '<--- 64 char including the arrows                           --->' AS `<--- 64 char including the arrows                           --->`;
+DROP VIEW v1;
+CREATE VIEW v1 AS select '<--- 64 char including the arrows                           --->' AS `<--- 64 char including the arrows                           --->`;
+DROP VIEW v1;
+CREATE VIEW v1 AS SELECT (SELECT '<--- 53 char including the arrows (+ 11 outside) --->');
+SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1';
+COLUMN_NAME
+(SELECT '<--- 53 char including the arrows (+ 11 outside) --->')
+DROP VIEW v1;
+CREATE VIEW v1 AS select (select '<--- 53 char including the arrows (+ 11 outside) --->') AS `(SELECT '<--- 53 char including the arrows (+ 11 outside) --->')`;
+DROP VIEW v1;
+CREATE VIEW v1 AS select (select '<--- 53 char including the arrows (+ 11 outside) --->') AS `(SELECT '<--- 53 char including the arrows (+ 11 outside) --->')`;
+DROP VIEW v1;
+# -----------------------------------------------------------------------------------------------------------------
+# Identifiers must not have trailing spaces. The system cannot derive the name from a constant with trailing space.
+# Generated identifiers have at their end the position within the select column list.
+# 'c2 ' -> 'Name_exp_1' , ' c4 ' -> 'Name_exp_2'
+CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 ';
+SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 'v1';
+COLUMN_NAME
+c1
+Name_exp_2
+c3
+Name_exp_4
+DROP VIEW v1;
+CREATE VIEW v1 AS select 'c1' AS `c1`,'c2 ' AS `Name_exp_2`,' c3' AS `c3`,' c4 ' AS `Name_exp_4`;
+DROP VIEW v1;
+CREATE VIEW v1 AS select 'c1' AS `c1`,'c2 ' AS `Name_exp_2`,' c3' AS `c3`,' c4 ' AS `Name_exp_4`;
+DROP VIEW v1;
+#
+# Bug#40277 SHOW CREATE VIEW returns invalid SQL
+#
+DROP VIEW IF EXISTS v1;
+DROP TABLE IF EXISTS t1,t2;
+# Column name exceeds the maximum length.
+CREATE VIEW v1 AS SELECT '0000000000 1111111111 2222222222 3333333333 4444444444 5555555555';
+DROP VIEW v1;
+CREATE VIEW v1 AS select '0000000000 1111111111 2222222222 3333333333 4444444444 5555555555' AS `Name_exp_1`;
+DROP VIEW v1;
+# Column names with leading trailing spaces.
+CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 ';
+DROP VIEW v1;
+CREATE VIEW v1 AS select 'c1' AS `c1`,'c2 ' AS `Name_exp_2`,' c3' AS `c3`,' c4 ' AS `Name_exp_4`;
+DROP VIEW v1;
+# Column name conflicts with a auto-generated one.
+CREATE VIEW v1 AS SELECT 'c1', 'c2 ', ' c3', ' c4 ', 'Name_exp_2';
+DROP VIEW v1;
+CREATE VIEW v1 AS select 'c1' AS `c1`,'c2 ' AS `Name_exp_2`,' c3' AS `c3`,' c4 ' AS `Name_exp_4`,'Name_exp_2' AS `My_exp_Name_exp_2`;
+DROP VIEW v1;
+# Invalid conlumn name in subquery.
+CREATE VIEW v1 AS SELECT (SELECT ' c1 ');
+DROP VIEW v1;
+CREATE VIEW v1 AS select (select ' c1 ') AS `(SELECT ' c1 ')`;
+DROP VIEW v1;
+CREATE TABLE t1(a INT);
+CREATE TABLE t2 LIKE t1;
+# Test alias in subquery
+CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT 1 FROM t2 AS b WHERE b.a = 0);
+DROP VIEW v1;
+CREATE VIEW v1 AS select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(select 1 from `test`.`t2` `b` where (`b`.`a` = 0));
+DROP VIEW v1;
+# Test column alias in subquery
+CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT a AS alias FROM t1 GROUP BY alias);
+SHOW CREATE VIEW v1;
+View	Create View	character_set_client	collation_connection
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where exists(select `t1`.`a` AS `alias` from `t1` group by `t1`.`a`)	latin1	latin1_swedish_ci
+DROP VIEW v1;
+CREATE VIEW v1 AS select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(select `test`.`t1`.`a` AS `alias` from `test`.`t1` group by `test`.`t1`.`a`);
+DROP VIEW v1;
+# Alias as the expression column name.
+CREATE VIEW v1 AS SELECT a FROM t1 WHERE EXISTS (SELECT '  a   ' AS alias FROM t1 GROUP BY alias);
+SHOW CREATE VIEW v1;
+View	Create View	character_set_client	collation_connection
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where exists(select '  a   ' AS `alias` from `t1` group by '  a   ')	latin1	latin1_swedish_ci
+DROP VIEW v1;
+CREATE VIEW v1 AS select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(select '  a   ' AS `alias` from `test`.`t1` group by '  a   ');
+DROP VIEW v1;
+DROP TABLE t1, t2;
diff --git a/mysql-test/r/view_grant.result b/mysql-test/r/view_grant.result
index 2d5c515d0b5..52c8bc8a3d5 100644
--- a/mysql-test/r/view_grant.result
+++ b/mysql-test/r/view_grant.result
@@ -1237,3 +1237,14 @@ SELECT a FROM v2;
 a
 DROP USER mysqluser1;
 DROP DATABASE mysqltest1;
+USE test;
+#
+# Bug#47734: Assertion failed: ! is_set() when locking a view with non-existing definer
+#
+DROP VIEW IF EXISTS v1;
+CREATE DEFINER=`unknown`@`unknown` SQL SECURITY DEFINER VIEW v1 AS SELECT 1;
+Warnings:
+Note	1449	The user specified as a definer ('unknown'@'unknown') does not exist
+LOCK TABLES v1 READ;
+ERROR HY000: The user specified as a definer ('unknown'@'unknown') does not exist
+DROP VIEW v1;
diff --git a/mysql-test/r/warnings.result b/mysql-test/r/warnings.result
index 6be5c9fb130..95a969d3791 100644
--- a/mysql-test/r/warnings.result
+++ b/mysql-test/r/warnings.result
@@ -168,7 +168,7 @@ max_error_count	10
 drop table t1;
 set table_type=MYISAM;
 Warnings:
-Warning	1287	The syntax '@@table_type' is deprecated and will be removed in MySQL 6.0. Please use '@@storage_engine' instead
+Warning	1287	'@@table_type' is deprecated and will be removed in a future release. Please use '@@storage_engine' instead
 create table t1 (a int);
 insert into t1 (a) values (1), (2), (3), (4), (5), (6), (7), (8), (9), (10);
 update t1 set a='abc';
diff --git a/mysql-test/r/xa.result b/mysql-test/r/xa.result
index d23c8e672b0..fedbb43ea2a 100644
--- a/mysql-test/r/xa.result
+++ b/mysql-test/r/xa.result
@@ -74,6 +74,23 @@ ERROR XA102: XA_RBDEADLOCK: Transaction branch was rolled back: deadlock was det
 xa rollback 'a','c';
 xa start 'a','c';
 drop table t1;
+#
+# BUG#51342 - more xid crashing
+#
+CREATE TABLE t1(a INT) ENGINE=InnoDB;
+XA START 'x';
+SET SESSION autocommit=0;
+INSERT INTO t1 VALUES(1);
+SET SESSION autocommit=1;
+ERROR XAE07: XAER_RMFAIL: The command cannot be executed when global transaction is in the  ACTIVE state
+SELECT @@autocommit;
+@@autocommit
+0
+INSERT INTO t1 VALUES(1);
+XA END 'x';
+XA COMMIT 'x' ONE PHASE;
+DROP TABLE t1;
+SET SESSION autocommit=1;
 End of 5.0 tests
 xa start 'a';
 xa end 'a';