diff options
Diffstat (limited to 'mysql-test/t/subselect4.test')
| -rw-r--r-- | mysql-test/t/subselect4.test | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 253160c46ac..e75a22a08f4 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -1997,6 +1997,25 @@ EXECUTE stmt; drop table t1, t2, t3; +--echo # +--echo # MDEV-11078: NULL NOT IN (non-empty subquery) should never return results +--echo # + +create table t1(a int,b int); +create table t2(a int,b int); +insert into t1 value (1,2); +select (NULL) in (select 1 from t1); +select (null) in (select 1 from t2); +select 1 in (select 1 from t1); +select 1 in (select 1 from t2); +select 1 from dual where null in (select 1 from t1); +select 1 from dual where null in (select 1 from t2); +select (null,null) in (select * from t1); +select (null,null) in (select * from t2); +select 1 from dual where null not in (select 1 from t1); +select 1 from dual where null not in (select 1 from t2); +drop table t1,t2; + SET optimizer_switch= @@global.optimizer_switch; set @@tmp_table_size= @@global.tmp_table_size; |