diff options
Diffstat (limited to 'mysql-test/main/subselect4.result')
| -rw-r--r-- | mysql-test/main/subselect4.result | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/mysql-test/main/subselect4.result b/mysql-test/main/subselect4.result index c374040e9e8..c794aade773 100644 --- a/mysql-test/main/subselect4.result +++ b/mysql-test/main/subselect4.result @@ -3038,4 +3038,120 @@ a 3 2 drop table t1,t2,t3; +# +# MDEV-29139: Redundant IN/ALL/ANY predicand in GROUP BY clause of +# IN/ALL/ANY/EXISTS subquery +# +create table t1 (a int); +create table t2 (b int); +create table t3 (c int); +create table t4 (d int); +insert into t1 values (3), (1); +insert into t2 values (3), (2); +insert into t3 values (4), (2); +insert into t4 values (1), (7); +explain extended select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) in (select d from t4)); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where 1 +select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) in (select d from t4)); +b +3 +2 +prepare stmt from "select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) in (select d from t4))"; +execute stmt; +b +3 +2 +execute stmt; +b +3 +2 +deallocate prepare stmt; +explain extended select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) >= +any (select d from t4)); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where 1 +select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) >= +any (select d from t4)); +b +3 +2 +explain extended select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) < +all (select d from t4)); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where 1 +select b from t2 +where exists (select c from t3 +group by (select a from t1 where a = 1) < +all (select d from t4)); +b +3 +2 +explain extended select b from t2 +where b in (select c from t3 +group by (select a from t1 where a = 1) in (select d from t4)); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00 +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1003 select `test`.`t2`.`b` AS `b` from `test`.`t2` semi join (`test`.`t3`) where 1 +select b from t2 +where b in (select c from t3 +group by (select a from t1 where a = 1) in (select d from t4)); +b +2 +explain extended select b from t2 +where b >= any (select c from t3 +group by (select a from t1 where a = 1) in +(select d from t4)); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where <nop>(<in_optimizer>(`test`.`t2`.`b`,(/* select#2 */ select min(`test`.`t3`.`c`) from `test`.`t3`) <= <cache>(`test`.`t2`.`b`))) +select b from t2 +where b >= any (select c from t3 +group by (select a from t1 where a = 1) in +(select d from t4)); +b +3 +2 +explain extended select b from t2 +where b <= all (select c from t3 +group by (select a from t1 where a = 1) in +(select d from t4)); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where +2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where <not>(<in_optimizer>(`test`.`t2`.`b`,<min>(/* select#2 */ select `test`.`t3`.`c` from `test`.`t3`) < <cache>(`test`.`t2`.`b`))) +select b from t2 +where b <= all (select c from t3 +group by (select a from t1 where a = 1) in +(select d from t4)); +b +2 +drop table t1,t2,t3,t4; # End of 10.3 tests |