diff options
Diffstat (limited to 'mysql-test/t/innodb_mrr_cpk.test')
-rw-r--r-- | mysql-test/t/innodb_mrr_cpk.test | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/mysql-test/t/innodb_mrr_cpk.test b/mysql-test/t/innodb_mrr_cpk.test index a7b2d9c0ddd..bee8d5796ce 100644 --- a/mysql-test/t/innodb_mrr_cpk.test +++ b/mysql-test/t/innodb_mrr_cpk.test @@ -165,3 +165,30 @@ SELECT * FROM t1, t2 WHERE g = b AND ( a < 7 OR a > e ); DROP TABLE t1, t2; set optimizer_switch=@tmp_mdev3817; +--echo # +--echo # MDEV-5037: Server crash on a JOIN on a derived table with join_cache_level > 2 +--echo # +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); + +CREATE TABLE t1 ( + id char(8) CHARACTER SET utf8 NOT NULL +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +CREATE TABLE t2 ( + id char(8) CHARACTER SET utf8 DEFAULT NULL, + url text CHARACTER SET utf8 +) ENGINE=InnoDB DEFAULT CHARSET=latin1; + +insert into t1 select '03b2ca8c' from t0 A, t0 B limit 80; +insert into t2 select '03b2ca8c','' from t0 A, t0 B, t0 C; + +set @tmp_mdev5037=@@join_cache_level; +set join_cache_level=3; + +--replace_column 9 # +explain SELECT 1 FROM (SELECT url, id FROM t2 LIMIT 1 OFFSET 20) derived RIGHT JOIN t1 ON t1.id = derived.id; + +set join_cache_level= @tmp_mdev5037; + +drop table t0,t1,t2; |