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Diffstat (limited to 'mysql-test/t/subselect3.test')
| -rw-r--r-- | mysql-test/t/subselect3.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/t/subselect3.test b/mysql-test/t/subselect3.test index 23d78721dbe..ed8480ba464 100644 --- a/mysql-test/t/subselect3.test +++ b/mysql-test/t/subselect3.test @@ -472,3 +472,20 @@ select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z drop table t1,t2; +# +# BUG#24420: row-based IN suqueries with aggregation when the left operand +# of the subquery predicate may contain NULL values +# + +create table t1 (a int, b int); +insert into t1 values (0,0), (2,2), (3,3); +create table t2 (a int, b int); +insert into t2 values (1,1), (3,3); + +select a, b, (a,b) in (select a, min(b) from t2 group by a) Z from t1; + +insert into t2 values (NULL,4); +select a, b, (a,b) in (select a, min(b) from t2 group by a) Z from t1; + +drop table t1,t2; + |