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| author | Sergei Golubchik <serg@mariadb.org> | 2016-12-11 09:53:42 +0100 |
|---|---|---|
| committer | Sergei Golubchik <serg@mariadb.org> | 2016-12-11 09:53:42 +0100 |
| commit | 2f20d297f8ea731d845bb220e680ad10c7a927bc (patch) | |
| tree | 9bd18ef1ab766422ba4c51b4ab189e259955a2d0 /mysql-test/t/selectivity.test | |
| parent | a629b5172e96c96c414fca70fffd64c80f2f7e8f (diff) | |
| parent | eb4f2e063c341d9f3644339c68cb01679e782001 (diff) | |
| download | mariadb-git-2f20d297f8ea731d845bb220e680ad10c7a927bc.tar.gz | |
Merge branch '10.0' into 10.1
Diffstat (limited to 'mysql-test/t/selectivity.test')
| -rw-r--r-- | mysql-test/t/selectivity.test | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/mysql-test/t/selectivity.test b/mysql-test/t/selectivity.test index 9ca3d99d39d..3e60f242083 100644 --- a/mysql-test/t/selectivity.test +++ b/mysql-test/t/selectivity.test @@ -1027,3 +1027,24 @@ drop table t1,t2; set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; set use_stat_tables=@save_use_stat_tables; +--echo # +--echo # Bug mdev-11364: IS NULL over not nullable datetime column +--echo # in mergeable derived +--echo # + +set use_stat_tables='preferably'; +set optimizer_use_condition_selectivity=4; +set HISTOGRAM_SIZE = 255; + +CREATE TABLE t1 (t TIME, d DATE NOT NULL); +INSERT INTO t1 VALUES ('10:00:00', '0000-00-00'),('11:00:00','0000-00-00'); + +ANALYZE TABLE t1; + +SELECT * FROM (SELECT t FROM t1 WHERE d IS NULL) sq; + +DROP TABLE t1; + +set histogram_size=@save_histogram_size; +set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; +set use_stat_tables=@save_use_stat_tables; |