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| author | Sergey Petrunya <psergey@askmonty.org> | 2014-02-07 20:51:31 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2014-02-07 20:51:31 +0400 |
| commit | 34b6f51dab7a2710b1bba816dde486a9c9c6c9c2 (patch) | |
| tree | 62c200112153c47f1356d4f54406cb423bc8f835 /mysql-test/t/subselect_sj2.test | |
| parent | 669c6620af9a9996a66ca9b339d4fb05eb6bf944 (diff) | |
| download | mariadb-git-34b6f51dab7a2710b1bba816dde486a9c9c6c9c2.tar.gz | |
MDEV-5582: Plugin 'MEMORY' has ref_count=1 after shutdown with materialization+semijoin
- Let cleanup_empty_jtbm_semi_joins() walk into semi-join nests.
Diffstat (limited to 'mysql-test/t/subselect_sj2.test')
| -rw-r--r-- | mysql-test/t/subselect_sj2.test | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/t/subselect_sj2.test b/mysql-test/t/subselect_sj2.test index 91db113d35a..bf7e0d4d3af 100644 --- a/mysql-test/t/subselect_sj2.test +++ b/mysql-test/t/subselect_sj2.test @@ -1249,5 +1249,24 @@ SELECT * FROM t1 WHERE ( 1, 1 ) IN ( DROP TABLE t1,t2,t3; +--echo # +--echo # MDEV-5582: Plugin 'MEMORY' has ref_count=1 after shutdown with materialization+semijoin +--echo # +CREATE TABLE t1 (a INT) engine=innodb; +INSERT INTO t1 VALUES (8),(9); + +CREATE TABLE t2 (b INT) engine=innodb; +INSERT INTO t2 VALUES (2),(3); + +CREATE TABLE t3 (c INT, INDEX(c)) engine=innodb; +INSERT INTO t2 VALUES (4),(5); + +explain +SELECT * FROM t1 WHERE 9 IN ( SELECT b FROM t2 WHERE 1 IN ( SELECT MIN(c) FROM t3 ) ); +SELECT * FROM t1 WHERE 9 IN ( SELECT b FROM t2 WHERE 1 IN ( SELECT MIN(c) FROM t3 ) ); + +DROP TABLE t1,t2,t3; + + --echo # This must be the last in the file: set optimizer_switch=@subselect_sj2_tmp; |