Merge

mysql-test/r/union.result:
  Auto merged
mysql-test/t/union.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_subselect.h:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_derived.cc:
  Auto merged
sql/sql_union.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysql-test/r/subselect.result:
  SCCS merged
mysql-test/t/subselect.test:
  SCCS merged

1 files changed, 88 insertions, 20 deletions

diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index 81eae4a2efe..f8d7da5a92e 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -42,6 +42,9 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	1	
 3	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1275	Field or reference 'a' of SELECT #3 was resolved in SELECT #1
+Note	1275	Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
 SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
 1
 1
@@ -207,6 +210,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	3	
 2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	
 3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	Using where
+Warnings:
+Note	1275	Field or reference 't4.a' of SELECT #3 was resolved in SELECT #1
 select * from t3 where exists (select * from t2 where t2.b=t3.a);
 a
 7
@@ -290,8 +295,11 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	
 2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	1	
 3	DEPENDENT UNION	t5	ALL	NULL	NULL	NULL	NULL	2	Using where
+Warnings:
+Note	1275	Field or reference 't2.a' of SELECT #2 was resolved in SELECT #1
+Note	1275	Field or reference 't2.a' of SELECT #3 was resolved in SELECT #1
 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: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
 create table t7( uq int primary key, name char(25));
 insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
@@ -305,6 +313,8 @@ explain select * from t6 where exists (select * from t7 where uq = clinic_uq);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t6	ALL	NULL	NULL	NULL	NULL	4	Using where
 2	DEPENDENT SUBQUERY	t7	eq_ref	PRIMARY	PRIMARY	4	test.t6.clinic_uq	1	
+Warnings:
+Note	1275	Field or reference 'clinic_uq' of SELECT #2 was resolved in SELECT #1
 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 if exists t1,t2,t3;
@@ -348,7 +358,7 @@ SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
 pseudo
 joce
 SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo LIKE '%joce%');
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
 CREATE TABLE `t1` (
 `topic` mediumint(8) unsigned NOT NULL default '0',
@@ -378,7 +388,7 @@ SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
 1
 1
 SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	index	NULL	topic	3	NULL	2	Using index
@@ -465,9 +475,9 @@ UNIQUE KEY `maxnumrep` (`maxnumrep`)
 ) TYPE=MyISAM ROW_FORMAT=FIXED;
 INSERT INTO t1 (numeropost,maxnumrep) VALUES (1,0),(2,1);
 select numeropost as a FROM t1 GROUP BY (SELECT 1 FROM t1 HAVING a=1);
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 select numeropost as a FROM t1 ORDER BY (SELECT 1 FROM t1 HAVING a=1);
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 drop table t1;
 create table t1 (a int);
 insert into t1 values (1),(2),(3);
@@ -480,7 +490,7 @@ drop table t1;
 CREATE TABLE t1 (field char(1) NOT NULL DEFAULT 'b');
 INSERT INTO t1 VALUES ();
 SELECT field FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1 FROM (SELECT 1) a HAVING field='b');
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 drop table t1;
 CREATE TABLE `t1` (
 `numeropost` mediumint(8) unsigned NOT NULL default '0',
@@ -498,7 +508,7 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT
 numreponse	(SELECT numeropost FROM t1 HAVING numreponse=1)
 INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
 EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
 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
@@ -525,7 +535,7 @@ a	b
 update t1 set b= (select b from t1);
 ERROR HY000: You can't specify target table 't1' for update in FROM clause
 update t1 set b= (select b from t2);
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 update t1 set b= (select b from t2 where t1.a = t2.a);
 select * from t1;
 a	b
@@ -548,7 +558,7 @@ a	b
 delete from t1 where b = (select b from t1);
 ERROR HY000: You can't specify target table 't1' for update in FROM clause
 delete from t1 where b = (select b from t2);
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 delete from t1 where b = (select b from t2 where t1.a = t2.a);
 select * from t1;
 a	b
@@ -574,7 +584,7 @@ a	b
 delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t12 where t11.a = t12.a);
 ERROR HY000: You can't specify target table 't12' for update in FROM clause
 delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t2);
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 delete t11.*, t12.* from t11,t12 where t11.a = t12.a and t11.b = (select b from t2 where t11.a = t2.a);
 select * from t11;
 a	b
@@ -593,7 +603,7 @@ insert into t3 values (1),(2);
 INSERT INTO t1 (x) VALUES ((SELECT x FROM t1));
 ERROR HY000: You can't specify target table 't1' for update in FROM clause
 INSERT INTO t1 (x) VALUES ((SELECT b FROM t3));
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 INSERT INTO t1 (x) VALUES ((SELECT a FROM t2));
 select * from t1;
 x
@@ -635,7 +645,7 @@ x	y
 replace into t1 (x, y) VALUES ((SELECT x FROM t1), (SELECT a+1 FROM t2));
 ERROR HY000: You can't specify target table 't1' for update in FROM clause
 replace into t1 (x, y) VALUES ((SELECT a FROM t3), (SELECT a+1 FROM t2));
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+1 FROM t2));
 select * from t1;
 x	y
@@ -706,7 +716,7 @@ id
 CREATE TABLE t1 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
 INSERT INTO t1 values (1),(1);
 UPDATE t2 SET id=(SELECT * FROM t1);
-ERROR 21000: Subselect returns more than 1 record
+ERROR 21000: Subquery returns more than 1 row
 drop table t2, t1;
 create table t1 (a int);
 insert into t1 values (1),(2),(3);
@@ -813,6 +823,7 @@ explain select (select a+1) from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	
 Warnings:
+Note	1275	Field or reference 'a' of SELECT #2 was resolved in SELECT #1
 Note	1248	Select 2 was reduced during optimisation
 select (select a+1) from t1;
 (select a+1)
@@ -833,7 +844,7 @@ a	t1.a in (select t2.a from t2)
 explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	index	NULL	PRIMARY	4	NULL	4	Using index
-2	DEPENDENT SUBQUERY	t2	index_in	a	a	5	func	2	Using where; Using index
+2	DEPENDENT SUBQUERY	t2	index_subquery	a	a	5	func	2	Using index
 CREATE TABLE t3 (a int(11) default '0');
 INSERT INTO t3 VALUES (1),(2),(3);
 SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -1039,6 +1050,9 @@ t1	CREATE TABLE `t1` (
 ) TYPE=MyISAM CHARSET=latin1
 drop table t1;
 CREATE TABLE t1 SELECT (SELECT 1 as a UNION SELECT 1+1 limit 1,1) as a;
+select * from t1;
+a
+2
 SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
@@ -1176,7 +1190,7 @@ insert into t1 values (1,0), (2,0), (3,0);
 insert into t2 values (1,1), (2,1), (3,1), (2,2);
 update ignore t1 set b=(select b from t2 where t1.a=t2.a);
 Warnings:
-Error	1241	Subselect returns more than 1 record
+Error	1241	Subquery returns more than 1 row
 select * from t1;
 a	b
 1	1
@@ -1244,7 +1258,7 @@ a
 explain select * from t2 where t2.a in (select a from t1);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	index	NULL	PRIMARY	4	NULL	4	Using where; Using index
-2	DEPENDENT SUBQUERY	t1	simple_in	PRIMARY	PRIMARY	4	func	1	Using index
+2	DEPENDENT SUBQUERY	t1	unique_subquery	PRIMARY	PRIMARY	4	func	1	Using index
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a
 2
@@ -1252,7 +1266,7 @@ a
 explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	index	NULL	PRIMARY	4	NULL	4	Using where; Using index
-2	DEPENDENT SUBQUERY	t1	simple_in	PRIMARY	PRIMARY	4	func	1	Using index; Using where
+2	DEPENDENT SUBQUERY	t1	unique_subquery	PRIMARY	PRIMARY	4	func	1	Using index; Using where
 select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
 a
 2
@@ -1277,7 +1291,7 @@ a
 explain select * from t2 where t2.a in (select a from t1);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	Using where; Using index
-2	DEPENDENT SUBQUERY	t1	index_in	a	a	5	func	1001	Using index
+2	DEPENDENT SUBQUERY	t1	index_subquery	a	a	5	func	1001	Using index
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a
 2
@@ -1285,7 +1299,7 @@ a
 explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	Using where; Using index
-2	DEPENDENT SUBQUERY	t1	index_in	a	a	5	func	1001	Using index; Using where
+2	DEPENDENT SUBQUERY	t1	index_subquery	a	a	5	func	1001	Using index; Using where
 select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
 a
 2
@@ -1308,7 +1322,7 @@ a
 explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	Using where; Using index
-2	DEPENDENT SUBQUERY	t1	index_in	a	a	5	func	1001	Using index; Using where
+2	DEPENDENT SUBQUERY	t1	index_subquery	a	a	5	func	1001	Using index; Using where
 drop table t1, t2, t3;
 create table t1 (a int, b int);
 create table t2 (a int, b int);
@@ -1348,6 +1362,60 @@ a
 2
 10
 drop table t1,t2,t3;
+CREATE TABLE t1 (s1 CHAR(5) COLLATE latin1_german1_ci,
+s2 CHAR(5) COLLATE latin1_swedish_ci);
+INSERT INTO t1 VALUES ('z','?');
+select * from t1 where s1 > (select max(s2) from t1);
+ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
+select * from t1 where s1 > any (select max(s2) from t1);
+ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>'
+drop table t1;
+create table t1(toid int,rd int);
+create table t2(userid int,pmnew int,pmtotal int);
+insert into t2 values(1,0,0),(2,0,0);
+insert into t1 values(1,0),(1,0),(1,0),(1,12),(1,15),(1,123),(1,12312),(1,12312),(1,123),(2,0),(2,0),(2,1),(2,2);
+select userid,pmtotal,pmnew, (select count(rd) from t1 where toid=t2.userid) calc_total, (select count(rd) from t1 where rd=0 and toid=t2.userid) calc_new from t2 where userid in (select distinct toid from t1);
+userid	pmtotal	pmnew	calc_total	calc_new
+1	0	0	9	3
+2	0	0	4	2
+drop table t1, t2;
+create table t1 (s1 char(5));
+select (select 'a','b' from t1 union select 'a','b' from t1) from t1;
+ERROR 21000: Cardinality error (more/less than 1 columns)
+insert into t1 values ('tttt');
+select * from t1 where ('a','b')=(select 'a','b' from t1 union select 'a','b' from t1);
+s1
+tttt
+explain (select * from t1);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	
+(select * from t1);
+s1
+tttt
+drop table t1;
+create table t1 (s1 char(5), index s1(s1));
+create table t2 (s1 char(5), index s1(s1));
+insert into t1 values ('a1'),('a2'),('a3');
+insert into t2 values ('a1'),('a2');
+select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
+s1	s1 NOT IN (SELECT s1 FROM t2)
+a1	0
+a2	0
+a3	1
+select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
+s1	s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')
+a1	0
+a2	1
+a3	1
+explain select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	NULL	s1	6	NULL	3	Using index
+2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index
+explain select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	NULL	s1	6	NULL	3	Using index
+2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	1	Using index; Using where
+drop table t1,t2;
 create table t2 (a int, b int);
 create table t3 (a int);
 insert into t3 values (6),(7),(3);