diff options
Diffstat (limited to 'mysql-test/r/selectivity_innodb.result')
| -rw-r--r-- | mysql-test/r/selectivity_innodb.result | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/mysql-test/r/selectivity_innodb.result b/mysql-test/r/selectivity_innodb.result index 0b7f1c950e5..0acbb465ba8 100644 --- a/mysql-test/r/selectivity_innodb.result +++ b/mysql-test/r/selectivity_innodb.result @@ -1419,6 +1419,36 @@ Note 1003 select `test`.`a`.`a` AS `a`,`test`.`a`.`b` AS `b`,`test`.`b`.`a` AS ` set histogram_size=@save_histogram_size; set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; drop table t0,t1,t2; +# +# Bug mdev-7316: a conjunct in WHERE with selectivity == 0 +# +CREATE TABLE t1 (a varchar(16), b int, PRIMARY KEY(a), KEY(b)) ENGINE=INNODB; +INSERT INTO t1 VALUES +('USAChinese',10), ('USAEnglish',20), ('USAFrench',30); +CREATE TABLE t2 (i int) ENGINE=INNODB; +INSERT INTO t2 VALUES +(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(1),(2),(3),(4); +ANALYZE TABLE t1, t2; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +test.t2 analyze status Engine-independent statistics collected +test.t2 analyze status OK +set use_stat_tables='preferably'; +set optimizer_use_condition_selectivity=3; +EXPLAIN EXTENDED +SELECT * FROM t1, t2 +WHERE a <> 'USARussian' AND b IS NULL; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ref PRIMARY,b b 5 const 2 66.67 Using where; Using index +1 SIMPLE t2 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`i` AS `i` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`a` <> 'USARussian') and isnull(`test`.`t1`.`b`)) +SELECT * FROM t1, t2 +WHERE a <> 'USARussian' AND b IS NULL; +a b i +set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; +DROP TABLE t1,t2; set use_stat_tables=@save_use_stat_tables; set optimizer_switch=@save_optimizer_switch_for_selectivity_test; set @tmp_ust= @@use_stat_tables; @@ -1482,6 +1512,30 @@ select * from t1 where col2 != true; col1 col2 drop table t1; # +# MDEV-7413: optimizer_use_condition_selectivity > 2 crashes 10.0.15+maria-1~wheezy +# +CREATE TABLE t1 ( +parent_id int, +child_group_id int, +child_user_id int, +KEY (parent_id,child_group_id,child_user_id) +) ENGINE=InnoDB; +CREATE TABLE t2 ( +id int, +lower_group_name varchar(255), +directory_id int(20), +UNIQUE KEY (directory_id) +) ENGINE=InnoDB; +CREATE TABLE t3 (id int) ENGINE=InnoDB; +insert into t1 values (1,1,1),(2,2,2); +insert into t2 values (10,'foo',10),(20,'bar',20); +insert into t3 values (101),(102); +set use_stat_tables = PREFERABLY, optimizer_use_condition_selectivity = 3; +select * from t1, t2, t3 +where t1.child_user_id=t3.id and t1.child_group_id is null and t2.lower_group_name='foo' and t1.parent_id=t2.id and t2.directory_id=10; +parent_id child_group_id child_user_id id lower_group_name directory_id id +drop table t1,t2,t3; +# # End of 10.0 tests # set use_stat_tables= @tmp_ust; |