diff options
Diffstat (limited to 'mysql-test/r/subselect4.result')
| -rw-r--r-- | mysql-test/r/subselect4.result | 1951 |
1 files changed, 1948 insertions, 3 deletions
diff --git a/mysql-test/r/subselect4.result b/mysql-test/r/subselect4.result index 8385ee6f4c0..4e3247e9da8 100644 --- a/mysql-test/r/subselect4.result +++ b/mysql-test/r/subselect4.result @@ -1,3 +1,8 @@ +drop table if exists t1,t2,t3,t4,t5,t6; +set @subselect4_tmp= @@optimizer_switch; +set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on'; +set optimizer_switch='semijoin_with_cache=on'; +set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; # # Bug #46791: Assertion failed:(table->key_read==0),function unknown # function,file sql_base.cc @@ -13,9 +18,9 @@ SELECT 1 FROM t1 WHERE NOT EXISTS (SELECT 1 FROM t2 WHERE 1 = (SELECT MIN(t2.b) FROM t3)) ORDER BY count(*); id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 index NULL a 5 NULL 2 Using index; Using temporary +1 PRIMARY t1 index NULL a 5 NULL 2 Using where; Using index; Using temporary 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where -3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL no matching row in const table +3 DEPENDENT SUBQUERY t3 system NULL NULL NULL NULL 0 const row not found # should not crash the next statement SELECT 1 FROM t1 WHERE NOT EXISTS (SELECT 1 FROM t2 WHERE 1 = (SELECT MIN(t2.b) FROM t3)) @@ -51,7 +56,7 @@ FROM t3 WHERE 1 = 0 GROUP BY 1; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 2 DEPENDENT SUBQUERY t1 index NULL PRIMARY 4 NULL 2 Using index -2 DEPENDENT SUBQUERY t2 index b b 5 NULL 2 Using where; Using index; Using join buffer +2 DEPENDENT SUBQUERY t2 ALL b NULL NULL NULL 2 Range checked for each record (index map: 0x2) # should return 0 rows SELECT (SELECT 1 FROM t1,t2 WHERE t2.b > t3.b) @@ -113,6 +118,8 @@ CREATE TABLE t4 ( a INT ); INSERT INTO t4 VALUES (1), (2), (3); CREATE TABLE t5 ( a INT ); INSERT INTO t5 VALUES (NULL), (2); +SET @old_optimizer_switch = @@session.optimizer_switch; +SET SESSION optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; EXPLAIN SELECT * FROM t1 WHERE ( a, b ) NOT IN ( SELECT c, d FROM t2 ); id select_type table type possible_keys key key_len ref rows Extra @@ -184,6 +191,7 @@ SELECT * FROM t1 WHERE NULL NOT IN ( SELECT c FROM t2 WHERE c = 1 AND c <> 1 ); a b 1 NULL 2 NULL +SET SESSION optimizer_switch = @old_optimizer_switch; DROP TABLE t1, t2, t3, t4, t5; # # Bug#58207: invalid memory reads when using default column value and @@ -199,3 +207,1940 @@ DROP TABLE t; # # End of 5.1 tests. # +# +# BUG#46743 "Azalea processing correlated, aggregate SELECT +# subqueries incorrectly" +# +CREATE TABLE t1 (c int); +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 (d int , KEY (d)); +INSERT INTO t2 VALUES (NULL),(NULL); +0 rows in subquery +SELECT 1 AS RESULT FROM t2,t1 WHERE d = c; +RESULT +base query +SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT FROM t1 ; +RESULT +NULL +EXPLAIN EXTENDED SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT 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 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 <expr_cache><>((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 +NULL +EXPLAIN EXTENDED SELECT (SELECT 1 FROM t2 WHERE d = IFNULL(c,NULL)) AS RESULT FROM t1 GROUP BY c; +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 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 <expr_cache><>((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 +NULL +EXPLAIN EXTENDED SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT FROM t1 GROUP BY c ; +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 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 <expr_cache><>((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 +# engine_condition_pushdown settings" +# +CREATE TABLE `t1` ( +`pk` int(11) NOT NULL AUTO_INCREMENT, +`time_nokey` time NOT NULL, +`varchar_key` varchar(1) NOT NULL, +`varchar_nokey` varchar(1) NOT NULL, +PRIMARY KEY (`pk`), +KEY `varchar_key` (`varchar_key`) +) AUTO_INCREMENT=12 DEFAULT CHARSET=latin1; +INSERT INTO `t1` VALUES (10,'00:00:00','i','i'),(11,'00:00:00','',''); +set @old_optimizer_switch = @@session.optimizer_switch, +@old_engine_condition_pushdown = @@session.engine_condition_pushdown; +SET SESSION OPTIMIZER_SWITCH = 'materialization=off,semijoin=off,loosescan=off,firstmatch=off,mrr=on'; +SET SESSION engine_condition_pushdown = 1; +SELECT `time_nokey` G1 FROM t1 WHERE ( `varchar_nokey` , `varchar_key` ) IN ( +SELECT `varchar_nokey` , `varchar_nokey` ) AND `varchar_key` >= 'c' HAVING G1 ORDER +BY `pk` ; +G1 +set @@session.optimizer_switch = @old_optimizer_switch, +@@session.engine_condition_pushdown = @old_engine_condition_pushdown; +DROP TABLE t1; +# +# During work with BUG#45863 I had problems with a query that was +# optimized differently in regular and prepared mode. +# Because there was a bug in one of the selected strategies, I became +# aware of the problem. Adding an EXPLAIN query to catch this. +DROP TABLE IF EXISTS t1, t2, t3; +CREATE TABLE t1 +(EMPNUM CHAR(3) NOT NULL, +EMPNAME CHAR(20), +GRADE DECIMAL(4), +CITY CHAR(15)); +CREATE TABLE t2 +(PNUM CHAR(3) NOT NULL, +PNAME CHAR(20), +PTYPE CHAR(6), +BUDGET DECIMAL(9), +CITY CHAR(15)); +CREATE TABLE t3 +(EMPNUM CHAR(3) NOT NULL, +PNUM CHAR(3) NOT NULL, +HOURS DECIMAL(5)); +INSERT INTO t1 VALUES ('E1','Alice',12,'Deale'); +INSERT INTO t1 VALUES ('E2','Betty',10,'Vienna'); +INSERT INTO t1 VALUES ('E3','Carmen',13,'Vienna'); +INSERT INTO t1 VALUES ('E4','Don',12,'Deale'); +INSERT INTO t1 VALUES ('E5','Ed',13,'Akron'); +INSERT INTO t2 VALUES ('P1','MXSS','Design',10000,'Deale'); +INSERT INTO t2 VALUES ('P2','CALM','Code',30000,'Vienna'); +INSERT INTO t2 VALUES ('P3','SDP','Test',30000,'Tampa'); +INSERT INTO t2 VALUES ('P4','SDP','Design',20000,'Deale'); +INSERT INTO t2 VALUES ('P5','IRM','Test',10000,'Vienna'); +INSERT INTO t2 VALUES ('P6','PAYR','Design',50000,'Deale'); +INSERT INTO t3 VALUES ('E1','P1',40); +INSERT INTO t3 VALUES ('E1','P2',20); +INSERT INTO t3 VALUES ('E1','P3',80); +INSERT INTO t3 VALUES ('E1','P4',20); +INSERT INTO t3 VALUES ('E1','P5',12); +INSERT INTO t3 VALUES ('E1','P6',12); +INSERT INTO t3 VALUES ('E2','P1',40); +INSERT INTO t3 VALUES ('E2','P2',80); +INSERT INTO t3 VALUES ('E3','P2',20); +INSERT INTO t3 VALUES ('E4','P2',20); +INSERT INTO t3 VALUES ('E4','P4',40); +INSERT INTO t3 VALUES ('E4','P5',80); +SET @old_optimizer_switch = @@session.optimizer_switch; +SET @old_join_cache_level = @@session.join_cache_level; +SET SESSION optimizer_switch = 'firstmatch=on,loosescan=on,materialization=on,in_to_exists=off,semijoin=on'; +SET SESSION join_cache_level = 1; +CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM); +EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN +(SELECT EMPNUM +FROM t3 +WHERE PNUM IN +(SELECT PNUM +FROM t2 +WHERE PTYPE = 'Design')); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +PREPARE stmt FROM "EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN + (SELECT EMPNUM + FROM t3 + WHERE PNUM IN + (SELECT PNUM + FROM t2 + WHERE PTYPE = 'Design'))"; +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 +1 SIMPLE <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +DEALLOCATE PREPARE stmt; +DROP INDEX t1_IDX ON t1; +CREATE INDEX t1_IDX ON t1(EMPNUM); +EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN +(SELECT EMPNUM +FROM t3 +WHERE PNUM IN +(SELECT PNUM +FROM t2 +WHERE PTYPE = 'Design')); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +PREPARE stmt FROM "EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN + (SELECT EMPNUM + FROM t3 + WHERE PNUM IN + (SELECT PNUM + FROM t2 + WHERE PTYPE = 'Design'))"; +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 +1 SIMPLE <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +DEALLOCATE PREPARE stmt; +DROP INDEX t1_IDX ON t1; +EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN +(SELECT EMPNUM +FROM t3 +WHERE PNUM IN +(SELECT PNUM +FROM t2 +WHERE PTYPE = 'Design')); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +PREPARE stmt FROM "EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN + (SELECT EMPNUM + FROM t3 + WHERE PNUM IN + (SELECT PNUM + FROM t2 + WHERE PTYPE = 'Design'))"; +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 +1 SIMPLE <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +DEALLOCATE PREPARE stmt; +SET SESSION optimizer_switch = @old_optimizer_switch; +SET SESSION join_cache_level = @old_join_cache_level; +DROP TABLE t1, t2, t3; +# +# BUG#45221 Query SELECT pk FROM C WHERE pk IN (SELECT int_key) failing +# +CREATE TABLE t1 ( +i1_key INT, +i2 INT, +i3 INT, +KEY i1_index (i1_key) +); +INSERT INTO t1 VALUES (9,1,2), (9,2,1); +CREATE TABLE t2 ( +pk INT NOT NULL, +i1 INT, +PRIMARY KEY (pk) +); +INSERT INTO t2 VALUES (9,1); +# Enable Index condition pushdown +SELECT @old_icp:=@@engine_condition_pushdown; +@old_icp:=@@engine_condition_pushdown +# +SET SESSION engine_condition_pushdown = 'ON'; + +SELECT pk +FROM t2 +WHERE +pk IN ( +SELECT i1_key +FROM t1 +WHERE t1.i2 < t1.i3 XOR t2.i1 > 1 +ORDER BY t1.i2 desc); +pk +9 +# Restore old value for Index condition pushdown +SET SESSION engine_condition_pushdown=@old_icp; +DROP TABLE t1,t2; +# +# BUG#45863 "Assertion failed: (fixed == 0), function fix_fields(), +# file item.cc, line 4448" +# +DROP TABLE IF EXISTS C, BB; +CREATE TABLE C ( +varchar_nokey varchar(1) NOT NULL +); +INSERT INTO C VALUES +('k'),('a'),(''),('u'),('e'),('v'),('i'), +('t'),('u'),('f'),('u'),('m'),('j'),('f'), +('v'),('j'),('g'),('e'),('h'),('z'); +CREATE TABLE BB ( +varchar_nokey varchar(1) NOT NULL +); +INSERT INTO BB VALUES ('i'),('t'); +SELECT varchar_nokey FROM C +WHERE (varchar_nokey, OUTR) IN (SELECT varchar_nokey +FROM BB); +ERROR 21000: Operand should contain 2 column(s) +SELECT varchar_nokey FROM C +WHERE (varchar_nokey, OUTR) IN (SELECT varchar_nokey, varchar_nokey +FROM BB); +ERROR 42S22: Unknown column 'OUTR' in 'IN/ALL/ANY subquery' +DROP TABLE C,BB; +# +# During work with BUG#45863 I had problems with a query that was +# optimized differently in regular and prepared mode. +# Because there was a bug in one of the selected strategies, I became +# aware of the problem. Adding an EXPLAIN query to catch this. +DROP TABLE IF EXISTS t1, t2, t3; +CREATE TABLE t1 +(EMPNUM CHAR(3) NOT NULL, +EMPNAME CHAR(20), +GRADE DECIMAL(4), +CITY CHAR(15)); +CREATE TABLE t2 +(PNUM CHAR(3) NOT NULL, +PNAME CHAR(20), +PTYPE CHAR(6), +BUDGET DECIMAL(9), +CITY CHAR(15)); +CREATE TABLE t3 +(EMPNUM CHAR(3) NOT NULL, +PNUM CHAR(3) NOT NULL, +HOURS DECIMAL(5)); +INSERT INTO t1 VALUES ('E1','Alice',12,'Deale'); +INSERT INTO t1 VALUES ('E2','Betty',10,'Vienna'); +INSERT INTO t1 VALUES ('E3','Carmen',13,'Vienna'); +INSERT INTO t1 VALUES ('E4','Don',12,'Deale'); +INSERT INTO t1 VALUES ('E5','Ed',13,'Akron'); +INSERT INTO t2 VALUES ('P1','MXSS','Design',10000,'Deale'); +INSERT INTO t2 VALUES ('P2','CALM','Code',30000,'Vienna'); +INSERT INTO t2 VALUES ('P3','SDP','Test',30000,'Tampa'); +INSERT INTO t2 VALUES ('P4','SDP','Design',20000,'Deale'); +INSERT INTO t2 VALUES ('P5','IRM','Test',10000,'Vienna'); +INSERT INTO t2 VALUES ('P6','PAYR','Design',50000,'Deale'); +INSERT INTO t3 VALUES ('E1','P1',40); +INSERT INTO t3 VALUES ('E1','P2',20); +INSERT INTO t3 VALUES ('E1','P3',80); +INSERT INTO t3 VALUES ('E1','P4',20); +INSERT INTO t3 VALUES ('E1','P5',12); +INSERT INTO t3 VALUES ('E1','P6',12); +INSERT INTO t3 VALUES ('E2','P1',40); +INSERT INTO t3 VALUES ('E2','P2',80); +INSERT INTO t3 VALUES ('E3','P2',20); +INSERT INTO t3 VALUES ('E4','P2',20); +INSERT INTO t3 VALUES ('E4','P4',40); +INSERT INTO t3 VALUES ('E4','P5',80); +SET @old_optimizer_switch = @@session.optimizer_switch; +SET @old_join_cache_level = @@session.join_cache_level; +SET SESSION optimizer_switch = 'firstmatch=on,loosescan=on,materialization=on,in_to_exists=off,semijoin=on'; +SET SESSION join_cache_level = 1; +CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM); +EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN +(SELECT EMPNUM +FROM t3 +WHERE PNUM IN +(SELECT PNUM +FROM t2 +WHERE PTYPE = 'Design')); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +PREPARE stmt FROM "EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN + (SELECT EMPNUM + FROM t3 + WHERE PNUM IN + (SELECT PNUM + FROM t2 + WHERE PTYPE = 'Design'))"; +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 +1 SIMPLE <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +DEALLOCATE PREPARE stmt; +DROP INDEX t1_IDX ON t1; +CREATE INDEX t1_IDX ON t1(EMPNUM); +EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN +(SELECT EMPNUM +FROM t3 +WHERE PNUM IN +(SELECT PNUM +FROM t2 +WHERE PTYPE = 'Design')); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +PREPARE stmt FROM "EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN + (SELECT EMPNUM + FROM t3 + WHERE PNUM IN + (SELECT PNUM + FROM t2 + WHERE PTYPE = 'Design'))"; +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL t1_IDX NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL t1_IDX NULL NULL NULL 5 +1 SIMPLE <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +DEALLOCATE PREPARE stmt; +DROP INDEX t1_IDX ON t1; +EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN +(SELECT EMPNUM +FROM t3 +WHERE PNUM IN +(SELECT PNUM +FROM t2 +WHERE PTYPE = 'Design')); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +PREPARE stmt FROM "EXPLAIN SELECT EMPNAME +FROM t1 +WHERE EMPNUM IN + (SELECT EMPNUM + FROM t3 + WHERE PNUM IN + (SELECT PNUM + FROM t2 + WHERE PTYPE = 'Design'))"; +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 5 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +EXECUTE stmt; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 +1 SIMPLE <subquery2> eq_ref distinct_key distinct_key 3 func 1 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 Using where +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 12 Using where; Using join buffer (flat, BNL join) +DEALLOCATE PREPARE stmt; +SET SESSION optimizer_switch = @old_optimizer_switch; +SET SESSION join_cache_level = @old_join_cache_level; +DROP TABLE t1, t2, t3; +# +# BUG#716293: "Range checked for each record" is not used if condition refers to outside of subquery +# +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, `filler` char(200), key(a), key (b)); +insert into t2 +select A.a + 10*B.a + 100 * C.a, A.a + 10*B.a + 100 * C.a, 'filler' from t1 A, t1 B, t1 C; +# The following must use "Range checked for each record" for table B +explain +select a, +(select sum(X.a+B.b) from t1 X, t2 B where B.a=A.a or B.b=A.a) +from t1 A; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY A ALL NULL NULL NULL NULL 10 +2 DEPENDENT SUBQUERY X ALL NULL NULL NULL NULL 10 +2 DEPENDENT SUBQUERY B ALL a,b NULL NULL NULL 1000 Range checked for each record (index map: 0x3) +drop table t1, t2; +# +# BUG#723822: Crash in get_constant_key_infix with EXISTS ( SELECT .. DISTINCT ) +# +CREATE TABLE t1 ( f1 int(11), f3 varchar(1)) ; +INSERT INTO t1 VALUES ('8','c'),('5','f'); +ALTER TABLE t1 ADD KEY (f3,f1); +CREATE TABLE t2 ( f4 varchar(1)) ; +INSERT INTO t2 VALUES ('f'),('d'); +SELECT * FROM t2 +WHERE EXISTS ( +SELECT DISTINCT f3 +FROM t1 +WHERE f3 <= t2.f4 +); +f4 +f +d +drop table t1,t2; +# +# LP BUG#718763 Second crash in select_describe() and materialization +# +CREATE TABLE t1 ( f1 int(11), f3 int(11), f10 varchar(1), KEY (f3)) ; +INSERT INTO t1 VALUES ('28','6','m'),('29','4','c'); +CREATE TABLE t2 (f11 varchar(1)) ; +INSERT INTO t2 VALUES ('f'),('d'); +SET @old_optimizer_switch = @@session.optimizer_switch; +SET @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT * FROM t1 +WHERE f3 = ( +SELECT t1.f3 FROM t1 +WHERE ( t1.f10 ) IN ( SELECT max(f11) FROM t2 GROUP BY f11 )); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ref f3 f3 5 const 0 Using where +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +3 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using temporary +SELECT * FROM t1 +WHERE f3 = ( +SELECT t1.f3 FROM t1 +WHERE ( t1.f10 ) IN ( SELECT max(f11) FROM t2 GROUP BY f11 )); +f1 f3 f10 +EXPLAIN +SELECT * FROM t1 +WHERE f3 = ( +SELECT f3 FROM t1 +WHERE ( f10, f10 ) IN ( SELECT max(f11), f11 FROM t2 GROUP BY f11 )); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ref f3 f3 5 const 0 Using where +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +3 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using temporary +SELECT * FROM t1 +WHERE f3 = ( +SELECT f3 FROM t1 +WHERE ( f10, f10 ) IN ( SELECT max(f11), f11 FROM t2 GROUP BY f11 )); +f1 f3 f10 +SET SESSION optimizer_switch = @old_optimizer_switch; +drop table t1,t2; +# +# LP BUG#715738: Wrong result with implicit grouping and empty result set +# +CREATE TABLE t1 (f1 int, f2 int); +CREATE TABLE t2 (f3 int, f4 int not null, PRIMARY KEY (f3)); +set @save_optimizer_switch=@@optimizer_switch; +SET @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); +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 MATERIALIZED t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); +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 MATERIALIZED t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); +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 MATERIALIZED t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); +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 MATERIALIZED t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); +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 MATERIALIZED t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; +not_in +1 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); +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 No matching min/max row +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); +f1 f2 +SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); +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 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); +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 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); +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 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); +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 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); +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 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) > 7) as not_in; +not_in +1 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 HAVING max(f4) is null) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); +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 No matching min/max row +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2); +f1 f2 +INSERT INTO t1 VALUES (1, 2); +INSERT INTO t1 VALUES (3, 4); +INSERT INTO t2 VALUES (5, 6); +INSERT INTO t2 VALUES (7, 8); +SET @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 MATERIALIZED t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 MATERIALIZED t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 MATERIALIZED t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 MATERIALIZED t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 MATERIALIZED t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; +not_in +1 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); +f1 f2 +SET @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3+f4, min(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, min(f4)+max(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, min(f4) FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT f3, f3 + count(f4) FROM t2 WHERE f3 > 10); +f1 f2 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) > 7) as not_in; +not_in +1 +EXPLAIN +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT f3, count(f4) FROM t2 WHERE f3 > 10 HAVING max(f4) is null) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4) FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY t2 range PRIMARY PRIMARY 4 NULL 1 Using index condition; Rowid-ordered scan +SELECT (2, 0) NOT IN (SELECT max(f3+f3), count(f4)+f3 FROM t2 WHERE f3 > 10) as not_in; +not_in +NULL +EXPLAIN +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No matching min/max row +SELECT * FROM t1 WHERE (2, 0) NOT IN (SELECT min(f3)+f3, min(f4)+f3+max(f4) FROM t2 WHERE f3 > 10); +f1 f2 +set @@optimizer_switch=@save_optimizer_switch; +drop table t1,t2; +# +# LP BUG#613029 Wrong result with materialization and semijoin, and +# valgrind warnings in Protocol::net_store_data with materialization +# for implicit grouping +# +CREATE TABLE t1 ( +pk int(11) NOT NULL AUTO_INCREMENT, +f2 int(11) NOT NULL, +f3 varchar(1) NOT NULL, +PRIMARY KEY (pk), +KEY f2 (f2)); +INSERT INTO t1 VALUES (1,9,'x'); +INSERT INTO t1 VALUES (2,5,'g'); +CREATE TABLE t2 ( +pk int(11) NOT NULL AUTO_INCREMENT, +f2 int(11) NOT NULL, +f3 varchar(1) NOT NULL, +PRIMARY KEY (pk), +KEY f2 (f2)); +INSERT INTO t2 VALUES (1,7,'p'); +set @save_optimizer_switch=@@optimizer_switch; +set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system PRIMARY NULL NULL NULL 1 +1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1 +2 DEPENDENT SUBQUERY t1 index_subquery f2 f2 4 func 2 Using index +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); +f3 MAX(t1.f2) +NULL NULL +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system PRIMARY NULL NULL NULL 1 +1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1 +2 MATERIALIZED t1 index NULL f2 4 NULL 2 Using index +SELECT t1.f3, MAX(t1.f2) +FROM t1, t2 +WHERE (t2.pk = t1.pk) AND t2.pk IN (SELECT f2 FROM t1); +f3 MAX(t1.f2) +NULL NULL +TODO: add a test case for semijoin when the wrong result is fixed +set @@optimizer_switch='materialization=off,semijoin=on'; +set @@optimizer_switch=@save_optimizer_switch; +drop table t1, t2; +# +# LP BUG#777691 Wrong result with subqery in select list and subquery cache=off in maria-5.3 +# +CREATE TABLE t1 ( f1 varchar(32)) ; +INSERT INTO t1 VALUES ('b'),('x'),('c'),('x'); +CREATE TABLE t2 ( f2 int, f3 varchar(32)) ; +INSERT INTO t2 VALUES (1,'x'); +set @save_optimizer_switch=@@optimizer_switch; +set @@optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off'; +EXPLAIN +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1 +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +f1 max_f2 +b NULL +x 1 +c NULL +x 1 +set @@optimizer_switch='materialization=on,in_to_exists=off,subquery_cache=off'; +EXPLAIN +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 +2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1 +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +f1 max_f2 +b NULL +x 1 +c NULL +x 1 +set @@optimizer_switch='materialization=off,in_to_exists=on,subquery_cache=off'; +Even when t2 is not constant table, the result must be the same. +INSERT INTO t2 VALUES (2,'y'); +EXPLAIN +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +SELECT t1.f1, ( SELECT MAX( f2 ) FROM t2 WHERE t2.f3 = t1.f1 ) as max_f2 FROM t1; +f1 max_f2 +b NULL +x 1 +c NULL +x 1 +set @@optimizer_switch=@save_optimizer_switch; +drop table t1, t2; +# +# LP BUG#641203 Query returns rows where no result is expected (impossible WHERE) +# +CREATE TABLE t1 (c1 varchar(1) DEFAULT NULL); +CREATE TABLE t2 (c1 varchar(1) DEFAULT NULL); +INSERT INTO t2 VALUES ('k'), ('d'); +CREATE TABLE t3 (c1 varchar(1) DEFAULT NULL); +INSERT INTO t3 VALUES ('a'), ('b'), ('c'); +CREATE TABLE t4 (c1 varchar(1) primary key); +INSERT INTO t4 VALUES ('k'), ('d'); +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; +SET optimizer_switch='semijoin_with_cache=off'; +SET optimizer_switch='materialization=off'; +EXPLAIN +SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) +SELECT * FROM t1 RIGHT JOIN t2 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +c1 c1 +EXPLAIN +SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; FirstMatch(t1) +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) +SELECT * FROM t2 LEFT JOIN t1 ON t1.c1 WHERE 's' IN (SELECT c1 FROM t2); +c1 c1 +SET optimizer_switch='materialization=on'; +EXPLAIN +SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) +1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where +SELECT * FROM (t2 LEFT JOIN t1 ON t1.c1) LEFT JOIN t3 on t3.c1 WHERE 's' IN (SELECT c1 FROM t2); +c1 c1 c1 +EXPLAIN +SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1 +1 PRIMARY t4 index NULL PRIMARY 3 NULL 2 Using index; Using join buffer (flat, BNL join) +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where +SELECT * FROM t4 LEFT JOIN t2 ON t4.c1 WHERE 's' IN (SELECT c1 FROM t2); +c1 c1 +SET optimizer_switch=@save_optimizer_switch; +drop table t1, t2, t3, t4; +# +# LP BUG#675981 Assertion `cache != __null' failed in sub_select_cache() +# on EXPLAIN +# +CREATE TABLE t1 (f1 int,f2 int) ; +INSERT IGNORE INTO t1 VALUES ('2','5'),('2',NULL); +CREATE TABLE t2 (f1 int, f5 int) ; +INSERT IGNORE INTO t2 VALUES (1,0); +CREATE TABLE t3 (f4 int) ; +INSERT IGNORE INTO t3 VALUES (0),(0); +set @@optimizer_switch='in_to_exists=on,materialization=off,semijoin=off'; +EXPLAIN +SELECT * FROM t2 +WHERE f1 IN (SELECT t1.f2 FROM t1 JOIN t3 ON t3.f4); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +drop table t1, t2, t3; +# +# LP BUG#680005 Second assertion `cache != __null' failed in +# sub_select_cache() on EXPLAIN +# +CREATE TABLE t1 (f1 int,f2 int,f4 int,f6 int,KEY (f4)) ; +INSERT IGNORE INTO t1 VALUES +('1','5','1','0'),('2','1','1','0'),('2','2','2','0'),('0',NULL,'0','0'), +('2','1','2','0'),('2','0','0','0'),('2','2','2','0'),('2','8','2','0'), +('2','7','2','0'),('2','5','2','0'),('2',NULL,'1','0'); +CREATE TABLE t2 (f3 int) ; +INSERT IGNORE INTO t2 VALUES ('7'); +CREATE TABLE t3 (f3 int) ; +INSERT IGNORE INTO t3 VALUES ('2'); +EXPLAIN +SELECT t1.f4 +FROM t2 JOIN t1 ON t1.f6 +WHERE +( t1.f2 ) IN (SELECT SUBQUERY2_t1.f3 +FROM t3 AS SUBQUERY2_t1 +JOIN +(t1 AS SUBQUERY2_t2 +JOIN +t1 AS SUBQUERY2_t3 ON SUBQUERY2_t3.f1) +ON SUBQUERY2_t3.f2) +GROUP BY t1.f4 ORDER BY t1.f1 LIMIT 10; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 Using temporary; Using filesort +1 PRIMARY t1 index NULL f4 5 NULL 11 Using where +2 DEPENDENT SUBQUERY SUBQUERY2_t1 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY SUBQUERY2_t2 index NULL f4 5 NULL 11 Using index +2 DEPENDENT SUBQUERY SUBQUERY2_t3 ALL NULL NULL NULL NULL 11 Using where; Using join buffer (flat, BNL join) +drop table t1, t2, t3; +# +# LP BUG#680038 bool close_thread_table(THD*, TABLE**): +# Assertion `table->key_read == 0' failed in EXPLAIN +# +CREATE TABLE t1 (f1 int,f3 int,f4 int) ; +INSERT IGNORE INTO t1 VALUES (NULL,1,0); +CREATE TABLE t2 (f2 int,f4 int,f5 int) ; +INSERT IGNORE INTO t2 VALUES (8,0,0),(5,0,0); +CREATE TABLE t3 (f4 int,KEY (f4)) ; +INSERT IGNORE INTO t3 VALUES (0),(0); +set @@optimizer_switch='semijoin=off'; +EXPLAIN +SELECT * FROM t1 WHERE +(SELECT f2 FROM t2 +WHERE f4 <= ALL +(SELECT max(SQ1_t1.f4) +FROM t3 AS SQ1_t1 JOIN t3 AS SQ1_t3 ON SQ1_t3.f4 +GROUP BY SQ1_t1.f4)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 +2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +3 SUBQUERY SQ1_t1 index NULL f4 5 NULL 2 Using index; Using temporary +3 SUBQUERY SQ1_t3 index f4 f4 5 NULL 2 Using where; Using index; Using join buffer (flat, BNL join) +drop table t1, t2, t3; +# +# BUG#52317: Assertion failing in Field_varstring::store() +# at field.cc:6833 +# +CREATE TABLE t1 (i INTEGER); +INSERT INTO t1 VALUES (1); +CREATE TABLE t2 (i INTEGER, KEY k(i)); +INSERT INTO t2 VALUES (1), (2); +EXPLAIN +SELECT i FROM t1 WHERE (1) NOT IN (SELECT i FROM t2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY t2 index_subquery k k 5 const 2 Using index +DROP TABLE t2; +DROP TABLE t1; +# +# LP BUG#680846: Crash in clear_tables() with subqueries +# +CREATE TABLE t1 (f3 int) ; +INSERT IGNORE INTO t1 VALUES (0),(0); +CREATE TABLE t2 (f1 int,f3 int,f4 varchar(32)) ; +INSERT IGNORE INTO t2 VALUES (1,0,'f'); +EXPLAIN +SELECT COUNT(t2.f3), +(SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT COUNT(t2.f3), +(SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; +COUNT(t2.f3) f9 +EXPLAIN +SELECT COUNT(t2.f3), +(SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT COUNT(t2.f3), +(SELECT COUNT(f3) FROM t1 WHERE t2.f1) AS f9 +FROM t2 JOIN t1 ON t1.f3 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; +COUNT(t2.f3) f9 +0 2 +EXPLAIN +SELECT COUNT(t2.f3), +(SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT COUNT(t2.f3), +(SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +GROUP BY f9; +COUNT(t2.f3) f9 +EXPLAIN +SELECT COUNT(t2.f3), +(SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT COUNT(t2.f3), +(SELECT t2.f1 FROM t1 limit 1) AS f9 +FROM t2 JOIN t1 +WHERE ('v') IN (SELECT f4 FROM t2) +ORDER BY f9; +COUNT(t2.f3) f9 +0 NULL +drop table t1,t2; +# +# LP BUG#682683 Crash in create_tmp_table called from +# JOIN::init_execution +# +CREATE TABLE t2 (f1 int) ; +INSERT INTO t2 VALUES (1),(2); +CREATE TABLE t1 (f1 int) ; +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 +2 SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +field1 +NULL +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 +2 SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; +field1 +NULL +NULL +INSERT INTO t1 VALUES (1),(2); +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 GROUP BY field1; +ERROR 21000: Subquery returns more than 1 row +EXPLAIN +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT (SELECT f1 FROM t1) AS field1 FROM t2 ORDER BY field1; +ERROR 21000: Subquery returns more than 1 row +drop table t1,t2; +# +# LP BUG#680943 Assertion `!table || (!table->read_set || +# bitmap_is_set(table->read_set, field_index))' failed with subquery +# +CREATE TABLE t1 (f1 int,f3 int) ; +INSERT IGNORE INTO t1 VALUES ('6','0'),('4','0'); +CREATE TABLE t2 (f1 int,f2 int,f3 int) ; +INSERT IGNORE INTO t2 VALUES ('6','0','0'),('2','0','0'); +SELECT f2 +FROM (SELECT * FROM t2) AS alias1 +WHERE (SELECT SQ2_t2.f1 +FROM t1 JOIN t1 AS SQ2_t2 ON SQ2_t2.f3 +WHERE SQ2_t2.f3 AND alias1.f1) +ORDER BY f3 ; +f2 +drop table t1,t2; +# +# LP BUG#715062: Wrong result with VIEW + UNION + subquery in maria-5.3-mwl89 +# +create table t1 (f1 int); +create table t2 (f2 int); +create table t3 (f3 int); +insert into t1 values (2); +insert into t2 values (2); +insert into t3 values (7); +CREATE VIEW v1 AS SELECT 2 UNION SELECT 2 ; +CREATE VIEW v2 AS SELECT * from t1 UNION SELECT * from t2 ; +set @save_optimizer_switch=@@optimizer_switch; +SET @@optimizer_switch = 'in_to_exists=off,semijoin=off,materialization=on'; +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +( 5 ) IN ( SELECT * FROM v1 ) +0 +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 +2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +( 5 ) IN ( SELECT * FROM v2 ) +0 +SET @@optimizer_switch = 'in_to_exists=on,semijoin=off,materialization=off'; +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN ( SELECT * FROM v1 ); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used +4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v1 ); +( 5 ) IN ( SELECT * FROM v1 ) +0 +EXPLAIN +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM DUAL WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT 'bug' FROM t3 WHERE ( 5 ) IN (SELECT * FROM v2); +bug +EXPLAIN +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 Using where +3 DERIVED t1 system NULL NULL NULL NULL 1 +4 UNION t2 system NULL NULL NULL NULL 1 +NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL +SELECT ( 5 ) IN ( SELECT * FROM v2 ); +( 5 ) IN ( SELECT * FROM v2 ) +0 +set @@optimizer_switch=@save_optimizer_switch; +drop table t1,t2,t3; +drop view v1,v2; +# +# LP BUG#715069 Wrong result with GROUP BY inside subquery and materialization=off +# +CREATE TABLE t0 ( f1 int(11), f2 int(11), f10 varchar(1), PRIMARY KEY (f1)) ; +INSERT INTO t0 VALUES (8,8,'u'),(10,5,'o'); +CREATE TABLE t1 (f1a int, f2a int not null, f3a varchar(3) not null, PRIMARY KEY (f1a)) ; +INSERT INTO t1 VALUES +(8,8,'a1a'), +(10,5,'b1b'); +CREATE TABLE t2 (f1b int, f2b int not null, f3b varchar(3) not null, PRIMARY KEY (f1b)) ; +INSERT INTO t2 VALUES +(10,5,'d1d'); +set @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='outer_join_with_cache=off'; +set @@optimizer_switch = 'in_to_exists=on,materialization=off,semijoin=off'; +EXPLAIN +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT max(f2) , f1 FROM t0 GROUP BY f2 , f1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY alias2 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY alias1 index NULL PRIMARY 4 NULL 2 Using where; Using index +2 DEPENDENT SUBQUERY t0 ALL NULL NULL NULL NULL 2 Using temporary +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT max(f2) , f1 FROM t0 GROUP BY f2 , f1 ); +f1 f2 +8 8 +EXPLAIN +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT max(f1a), f2a FROM t1 GROUP BY f1a, f2a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT max(f1a), f2a FROM t1 GROUP BY f1a, f2a); +f1b f2b f3b +10 5 d1d +EXPLAIN +SELECT * FROM t2 WHERE (f1b) IN (SELECT max(f1a) FROM t1 GROUP BY f1a, f2a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT * FROM t2 WHERE (f1b) IN (SELECT max(f1a) FROM t1 GROUP BY f1a, f2a); +f1b f2b f3b +10 5 d1d +set @@optimizer_switch = 'in_to_exists=off,materialization=on,semijoin=off'; +EXPLAIN +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT max(f2) , f1 FROM t0 GROUP BY f2 , f1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY alias2 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY alias1 index NULL PRIMARY 4 NULL 2 Using where; Using index +2 MATERIALIZED t0 ALL NULL NULL NULL NULL 2 Using temporary +SELECT alias2.f1 , alias2.f2 +FROM t0 AS alias1 +RIGHT JOIN t0 AS alias2 ON alias2.f10 +WHERE ( alias2.f1 , alias2.f2 ) IN ( SELECT max(f2) , f1 FROM t0 GROUP BY f2 , f1 ); +f1 f2 +8 8 +EXPLAIN +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT max(f1a), f2a FROM t1 GROUP BY f1a, f2a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT * FROM t2 WHERE (f1b, f2b) IN (SELECT max(f1a), f2a FROM t1 GROUP BY f1a, f2a); +f1b f2b f3b +10 5 d1d +EXPLAIN +SELECT * FROM t2 WHERE (f1b) IN (SELECT max(f1a) FROM t1 GROUP BY f1a, f2a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 Using temporary +SELECT * FROM t2 WHERE (f1b) IN (SELECT max(f1a) FROM t1 GROUP BY f1a, f2a); +f1b f2b f3b +10 5 d1d +set @@optimizer_switch=@save_optimizer_switch; +drop table t0,t1,t2; +# +# LP BUG#715759 Wrong result with in_to_exists=on in maria-5.3-mwl89 +# +set @save_optimizer_switch=@@optimizer_switch; +CREATE TABLE t1 (a1 int, a2 int) ; +INSERT INTO t1 VALUES (1, 2); +INSERT INTO t1 VALUES (3, 4); +CREATE TABLE t2 (b1 int, b2 int) ; +INSERT INTO t2 VALUES (1, 2); +SET @@optimizer_switch = 'in_to_exists=on,materialization=off,semijoin=off'; +EXPLAIN SELECT * FROM t1 WHERE a1 IN (SELECT b1 FROM t2 WHERE b1 = b2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +SELECT * FROM t1 WHERE a1 IN (SELECT b1 FROM t2 WHERE b1 = b2); +a1 a2 +set @@optimizer_switch=@save_optimizer_switch; +drop table t1, t2; +# +# LP BUG#772309 join_tab_cmp_straight(): Assertion `!jt2->emb_sj_nest' failed in maria-5.3-mwl89 with semijoin +# +CREATE TABLE t1 ( f2 int) ; +INSERT INTO t1 VALUES (0),(0); +CREATE TABLE t2 ( f1 int NOT NULL ) ; +INSERT INTO t2 VALUES (0),(0); +CREATE TABLE t3 ( f1 int NOT NULL , f2 int) ; +INSERT INTO t3 VALUES (0,0), (0,0); +EXPLAIN SELECT STRAIGHT_JOIN ( +SELECT f2 FROM t1 WHERE ( f2 ) IN ( SELECT t3.f2 FROM t3 JOIN t2 ON t2.f1 = 1 ) +); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where +3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +SELECT STRAIGHT_JOIN ( +SELECT f2 FROM t1 WHERE ( f2 ) IN ( SELECT t3.f2 FROM t3 JOIN t2 ON t2.f1 = 1 ) +); +( +SELECT f2 FROM t1 WHERE ( f2 ) IN ( SELECT t3.f2 FROM t3 JOIN t2 ON t2.f1 = 1 ) +) +NULL +drop table t1, t2, t3; +# +# LP BUG#777597 Wrong result with multipart keys, in_to_exists=on, NOT IN in MWL#89 +# +CREATE TABLE t1 ( f4 int); +INSERT IGNORE INTO t1 VALUES (2),(2); +CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3) ); +INSERT IGNORE INTO t2 VALUES (6, 1), (6, 1); +CREATE TABLE t3 ( f10 int ); +INSERT IGNORE INTO t3 VALUES (1); +SET SESSION optimizer_switch='in_to_exists=on,materialization=off'; +EXPLAIN +SELECT * FROM t1 WHERE ( 6 ) NOT IN ( SELECT t2.f3 FROM t2 JOIN t3 ON t3.f10 = t2.f10); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t3 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY t2 ref_or_null f10 f10 10 const,const 2 Using where; Using index +SELECT * FROM t1 WHERE ( 6 ) NOT IN ( SELECT t2.f3 FROM t2 JOIN t3 ON t3.f10 = t2.f10); +f4 +drop table t1,t2,t3; +# +# LP BUG#778413 Third crash in select_describe() in maria-5.3-mwl89 +# +CREATE TABLE t1 ( f11 int) ; +INSERT INTO t1 VALUES (1),(1); +CREATE TABLE t2 ( f1 int NOT NULL) ; +INSERT INTO t2 VALUES (20); +CREATE TABLE t3 (f3 int) ; +INSERT INTO t3 VALUES (2),(2); +EXPLAIN SELECT * FROM t2 +WHERE t2.f1 = ( +SELECT MAX( f3 ) FROM t3 +WHERE EXISTS ( +SELECT DISTINCT f11 +FROM t1)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 +3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 +drop table t1, t2, t3; +# +# LP BUG#802979 Assertion `table->key_read == 0' in close_thread_table +# +CREATE TABLE t1 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t1 VALUES (1,0),(5,0); +CREATE TABLE t2 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t2 VALUES (1,0),(5,0); +CREATE TABLE t3 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t3 VALUES (1,0),(5,0); +CREATE TABLE t4 ( f1 int, f2 int , KEY (f1)) ; +INSERT IGNORE INTO t4 VALUES (1,0),(5,0); +EXPLAIN +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 +WHERE EXISTS (SELECT DISTINCT f1 FROM t4)) +AND t2.f2 = t1.f1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ref f1 f1 5 const 0 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 +3 SUBQUERY t4 index NULL f1 5 NULL 2 Using index +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 +WHERE EXISTS (SELECT DISTINCT f1 FROM t4)) +AND t2.f2 = t1.f1; +ERROR 21000: Subquery returns more than 1 row +EXPLAIN +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 +WHERE EXISTS (SELECT DISTINCT f1 FROM t4) LIMIT 1) +AND t2.f2 = t1.f1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ref f1 f1 5 const 0 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 +3 SUBQUERY t4 index NULL f1 5 NULL 2 Using index +SELECT * +FROM t1, t2 +WHERE t2.f2 = (SELECT f2 FROM t3 +WHERE EXISTS (SELECT DISTINCT f1 FROM t4) LIMIT 1) +AND t2.f2 = t1.f1; +f1 f2 f1 f2 +drop table t1,t2,t3,t4; +# +# LP BUG#806943 Second crash with select_describe with nested subqueries in maria-5.3 +# +CREATE TABLE t1 ( f4 int) ; +INSERT INTO t1 VALUES (0),(0); +CREATE TABLE t2 ( f2 int) ; +CREATE TABLE t3 ( f1 int NOT NULL ); +CREATE TABLE t4 ( f2 int, f3 int) ; +INSERT INTO t4 VALUES (8,0),(3,0); +EXPLAIN SELECT * +FROM t2, t3 +WHERE t3.f1 = ( +SELECT SUM( f2 ) +FROM t4 +WHERE EXISTS ( +SELECT DISTINCT f4 +FROM t1)); +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 t4 ALL NULL NULL NULL NULL 2 +3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 +SELECT * +FROM t2, t3 +WHERE t3.f1 = ( +SELECT SUM( f2 ) +FROM t4 +WHERE EXISTS ( +SELECT DISTINCT f4 +FROM t1)); +f2 f1 +drop table t1, t2, t3, t4; +# +# LP BUG#611690 Crash in select_describe() with nested subqueries +# +CREATE TABLE t1 ( +col_int_key int(11) DEFAULT NULL, +col_varchar_key varchar(1) DEFAULT NULL, +col_varchar_nokey varchar(1) DEFAULT NULL, +KEY col_int_key (col_int_key), +KEY col_varchar_key (col_varchar_key,col_int_key) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; +INSERT INTO t1 VALUES (8,'v','v'); +INSERT INTO t1 VALUES (9,'r','r'); +CREATE TABLE t2 ( +col_int_key int(11) DEFAULT NULL, +col_varchar_key varchar(1) DEFAULT NULL, +col_varchar_nokey varchar(1) DEFAULT NULL, +KEY col_int_key (col_int_key), +KEY col_varchar_key (col_varchar_key,col_int_key) +) ENGINE=MyISAM DEFAULT CHARSET=latin1; +INSERT INTO t2 VALUES (2,'w','w'); +INSERT INTO t2 VALUES (9,'m','m'); +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t2 ALL col_varchar_key NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +3 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +col_int_key +set @@optimizer_switch='subquery_cache=off,materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t1 index NULL col_int_key 5 NULL 2 Using index +2 SUBQUERY SUBQUERY2_t2 ALL col_varchar_key NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +3 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +SELECT col_int_key +FROM t2 +WHERE (SELECT SUBQUERY2_t1.col_int_key +FROM t1 SUBQUERY2_t1 STRAIGHT_JOIN t1 SUBQUERY2_t2 +ON SUBQUERY2_t2.col_varchar_key +WHERE SUBQUERY2_t2.col_varchar_nokey IN +(SELECT col_varchar_nokey FROM t1 GROUP BY col_varchar_nokey)); +col_int_key +drop table t1, t2; +set @@optimizer_switch = @old_optimizer_switch; +# +# LP BUG#612543 Crash in Item_field::used_tables() with view + subquery + prepared statements +# +CREATE TABLE t1 ( f1 int(11), f2 varchar(1)); +CREATE TABLE t2 ( f3 varchar(1)); +insert into t1 values (2,'x'), (5,'y'); +insert into t2 values ('x'), ('z'); +CREATE VIEW v2 AS SELECT * FROM t2; +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 +PREPARE st1 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st1; +f1 f2 f3 +2 x x +5 y x +EXECUTE st1; +f1 f2 f3 +2 x x +5 y x +set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using where +PREPARE st2 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st2; +f1 f2 f3 +2 x x +5 y x +EXECUTE st2; +f1 f2 f3 +2 x x +5 y x +set @@optimizer_switch='materialization=on,in_to_exists=on,semijoin=off,subquery_cache=off'; +EXPLAIN SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 +PREPARE st3 FROM "SELECT * FROM t1 JOIN v2 ON t1.f2 > 'a' WHERE v2.f3 IN ( SELECT f2 FROM t1 )"; +EXECUTE st3; +f1 f2 f3 +2 x x +5 y x +EXECUTE st3; +f1 f2 f3 +2 x x +5 y x +set @@optimizer_switch = @old_optimizer_switch; +drop table t1, t2; +drop view v2; +# +# LP BUG#611396 RQG: crash in Item_field::register_field_in_read_map with semijoin=off +# and prepared statements and materialization +CREATE TABLE t1 ( f1 int(11), f2 int(11)) ; +CREATE TABLE t2 ( f1 int(11), f4 varchar(1), PRIMARY KEY (f1)) ; +INSERT INTO t2 VALUES ('23','j'),('24','e'); +CREATE TABLE t3 ( f1 int(11), f4 varchar(1)) ; +INSERT INTO t3 VALUES ('8','j'); +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN +SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +FROM t2 JOIN t3 ON t3.f4 = t2.f4 +WHERE t3.f1 = 8 +GROUP BY 1, 2; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 Using temporary; Using filesort +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +3 MATERIALIZED t1 system NULL NULL NULL NULL 0 const row not found +PREPARE st1 FROM " +SELECT t2.f1, (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +FROM t2 JOIN t3 ON t3.f4 = t2.f4 +WHERE t3.f1 = 8 +GROUP BY 1, 2"; +EXECUTE st1; +f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +23 NULL +EXECUTE st1; +f1 (SELECT f2 FROM t1 WHERE (7) IN (SELECT f1 FROM t1)) +23 NULL +set @@optimizer_switch = @old_optimizer_switch; +drop table t1, t2, t3; +# +# LP BUG#611382 RQG: Query returns extra rows when executed with materialization=on +# +CREATE TABLE t1 ( f4 varchar(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 ( f2 date, f3 varchar(1), f4 varchar(1)) ; +INSERT INTO t2 VALUES ('2005-05-03','c','c'),('1900-01-01','d','d'); +CREATE TABLE t3 ( f3 varchar(1)) ; +INSERT INTO t3 VALUES ('c'); +set @old_optimizer_switch = @@optimizer_switch; +set @@optimizer_switch = 'materialization=on,in_to_exists=off,semijoin=off'; +EXPLAIN SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 +1 PRIMARY t3 system NULL NULL NULL NULL 1 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 +SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +f4 +set @@optimizer_switch = 'materialization=off,in_to_exists=on,semijoin=off'; +EXPLAIN SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 +1 PRIMARY t3 system NULL NULL NULL NULL 1 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +SELECT t1.f4 +FROM t1 JOIN ( t2 JOIN t3 ON t3.f3 = t2.f4 ) ON t3.f3 = t2.f3 +WHERE t1.f4 IN ( SELECT f4 FROM t2 ) ; +f4 +set @@optimizer_switch = @old_optimizer_switch; +drop table t1, t2, t3; +# +# LP BUG#782305: Wrong result/valgrind warning in Item_sum_hybrid::any_value() +# +CREATE TABLE t1 ( f1 int) ; +INSERT INTO t1 VALUES (2),(3); +CREATE TABLE t2 (f2 int) ; +INSERT INTO t2 VALUES (2),(3); +PREPARE st1 FROM ' +SELECT * FROM t2 +WHERE f2 <= SOME ( SELECT f1 FROM t1 ); +'; +EXECUTE st1; +f2 +2 +3 +EXECUTE st1; +f2 +2 +3 +PREPARE st2 FROM ' +SELECT * FROM t2 +WHERE f2 <= SOME (SELECT f1-2 FROM t1 UNION SELECT f1-1 FROM t1); +'; +EXECUTE st2; +f2 +2 +EXECUTE st2; +f2 +2 +drop table t1, t2; +# +# LP BUG#825018: Crash in check_and_do_in_subquery_rewrites() with corrlated subquery in select list +# +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (10,1),(11,7); +CREATE TABLE t2 (a int); +INSERT INTO t2 VALUES (2),(3); +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (1,1); +CREATE PROCEDURE sp1 () LANGUAGE SQL +SELECT (SELECT t1.a +FROM t1 +WHERE t1.b = t3.b +AND t1.b IN ( SELECT a FROM t2 )) sq +FROM t3 +GROUP BY 1; +CALL sp1(); +sq +NULL +CALL sp1(); +sq +NULL +drop procedure sp1; +prepare st1 from " +SELECT (SELECT t1.a + FROM t1 + WHERE t1.b = t3.b + AND t1.b IN ( SELECT a FROM t2 )) sq +FROM t3 +GROUP BY 1"; +execute st1; +sq +NULL +execute st1; +sq +NULL +deallocate prepare st1; +drop table t1, t2, t3; +set optimizer_switch=@subselect4_tmp; +# +# LP BUG#833702 Wrong result with nested IN and singlerow subqueries and equality propagation +# +CREATE TABLE t2 (c int , a int, b int); +INSERT INTO t2 VALUES (10,7,0); +CREATE TABLE t3 (a int, b int) ; +INSERT INTO t3 VALUES (5,0),(7,0); +CREATE TABLE t4 (a int); +INSERT INTO t4 VALUES (2),(8); +set @@optimizer_switch='semijoin=off,in_to_exists=on,materialization=off,subquery_cache=off'; +SELECT * FROM t2 +WHERE t2.b IN (SELECT b FROM t3 WHERE t3.a = t2.a AND a < SOME (SELECT * FROM t4)) +OR ( t2.c > 242 ); +c a b +10 7 0 +EXPLAIN SELECT * FROM t2 +WHERE t2.b IN (SELECT t3.b FROM t3 WHERE t3.a < ANY (SELECT t4.a FROM t4) and t3.a = 7); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where +3 SUBQUERY t4 ALL NULL NULL NULL NULL 2 +SELECT * FROM t2 +WHERE t2.b IN (SELECT t3.b FROM t3 WHERE t3.a < ANY (SELECT t4.a FROM t4) and t3.a = 7); +c a b +10 7 0 +drop table t2, t3, t4; +set optimizer_switch=@subselect4_tmp; +SET optimizer_switch= @@global.optimizer_switch; +set @@tmp_table_size= @@global.tmp_table_size; |