diff options
Diffstat (limited to 'mysql-test/t/join_outer.test')
-rw-r--r-- | mysql-test/t/join_outer.test | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test index c670944c9b2..2c243aabeb6 100644 --- a/mysql-test/t/join_outer.test +++ b/mysql-test/t/join_outer.test @@ -897,3 +897,21 @@ FROM t1 JOIN t2 USING( a ) GROUP BY t1.a WITH ROLLUP; DROP TABLE t1, t2; + +--echo # +--echo # Bug#51598 Inconsistent behaviour with a COALESCE statement inside an IN comparison +--echo # +CREATE TABLE t1(f1 INT, f2 INT, f3 INT); +INSERT INTO t1 VALUES (1, NULL, 3); +CREATE TABLE t2(f1 INT, f2 INT); +INSERT INTO t2 VALUES (2, 1); + +EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2 +WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2)); + +SELECT * FROM t1 LEFT JOIN t2 ON t1.f2 = t2.f2 +WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2)); + +DROP TABLE t1, t2; + +--echo End of 5.1 tests |