diff options
Diffstat (limited to 'mysql-test/t/join_outer.test')
-rw-r--r-- | mysql-test/t/join_outer.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test index 69c08cd54bd..8c0ee82e1fa 100644 --- a/mysql-test/t/join_outer.test +++ b/mysql-test/t/join_outer.test @@ -1359,4 +1359,21 @@ ORDER BY t1.b; DROP TABLE t1,t2; +--echo # +--echo # Bug mdev-4336: LEFT JOIN with disjunctive +--echo # <non-nullable datetime field> IS NULL in WHERE +--echo # causes a hang and eventual crash +--echo # + +CREATE TABLE t1 ( + id int(11) NOT NULL, + modified datetime NOT NULL, + PRIMARY KEY (id) +); + +SELECT a.* FROM t1 a LEFT JOIN t1 b ON a.id = b.id + WHERE a.modified > b.modified or b.modified IS NULL; + +DROP TABLE t1; + SET optimizer_switch=@save_optimizer_switch; |