diff options
Diffstat (limited to 'mysql-test/t/subselect4.test')
| -rw-r--r-- | mysql-test/t/subselect4.test | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 253160c46ac..d4ccbcf6f66 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -1997,6 +1997,41 @@ EXECUTE stmt; drop table t1, t2, t3; +--echo # +--echo # MDEV-11078: NULL NOT IN (non-empty subquery) should never return results +--echo # + +create table t1(a int,b int); +create table t2(a int,b int); +insert into t1 value (1,2); +select (NULL) in (select 1 from t1); +select (null) in (select 1 from t2); +select 1 in (select 1 from t1); +select 1 in (select 1 from t2); +select 1 from dual where null in (select 1 from t1); +select 1 from dual where null in (select 1 from t2); +select (null,null) in (select * from t1); +select (null,null) in (select * from t2); +select 1 from dual where null not in (select 1 from t1); +select 1 from dual where null not in (select 1 from t2); +drop table t1,t2; + + +--echo # +--echo # MDEV-6486: Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))' +--echo # failed with SELECT SQ, TEXT field +--echo # + +CREATE TABLE t1 (a VARCHAR(8), KEY(a)) ENGINE=MyISAM; +INSERT INTO t1 VALUES ('foo'),( 'bar'); + +CREATE TABLE t2 (b VARCHAR(8), c TINYTEXT, KEY(b)) ENGINE=MyISAM; +INSERT INTO t2 VALUES ('baz','baz'),('qux', 'qux'); + +SELECT ( SELECT COUNT(*) FROM t1 WHERE a = c ) AS field, COUNT(DISTINCT c) +FROM t2 WHERE b <= 'quux' GROUP BY field; +drop table t1,t2; + SET optimizer_switch= @@global.optimizer_switch; set @@tmp_table_size= @@global.tmp_table_size; |