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Diffstat (limited to 'mysql-test/t/subselect3.test')
| -rw-r--r-- | mysql-test/t/subselect3.test | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/mysql-test/t/subselect3.test b/mysql-test/t/subselect3.test index dfe09968fa2..65556012588 100644 --- a/mysql-test/t/subselect3.test +++ b/mysql-test/t/subselect3.test @@ -546,3 +546,28 @@ SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1)); SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4)); DROP TABLE t1,t2; + +# +# Bug #28375: crash for NOT IN subquery predicate when left operand becomes NULL +# + +CREATE TABLE t1 (id int); +CREATE TABLE t2 (id int PRIMARY KEY); +CREATE TABLE t3 (id int PRIMARY KEY, name varchar(10)); +INSERT INTO t1 VALUES (2), (NULL), (3), (1); +INSERT INTO t2 VALUES (234), (345), (457); +INSERT INTO t3 VALUES (222,'bbb'), (333,'ccc'), (111,'aaa'); + +EXPLAIN +SELECT * FROM t1 + WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3 + WHERE t3.name='xxx' AND t2.id=t3.id); +SELECT * FROM t1 + WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3 + WHERE t3.name='xxx' AND t2.id=t3.id); + +SELECT (t1.id IN (SELECT t2.id FROM t2,t3 + WHERE t3.name='xxx' AND t2.id=t3.id)) AS x + FROM t1; + +DROP TABLE t1,t2,t3; |