drop table if exists t1;
create table t1 (id int auto_increment primary key not null, mydate date not null);
insert into t1 values (0,"2002-05-01"),(0,"2002-05-01"),(0,"2002-05-01");
flush tables;
select * from t1 where isnull(to_days(mydate));
id	mydate
drop table t1;
#
# Bug#53933 crash when using uncacheable subquery in the having clause of outer query
#
CREATE TABLE t1 (f1 INT);
INSERT INTO t1 VALUES (0),(0);
SELECT ISNULL((SELECT GET_LOCK('Bug#53933', 0) FROM t1 GROUP BY f1)) AS f2
FROM t1 GROUP BY f1 HAVING f2 = f2;
f2
0
SELECT RELEASE_LOCK('Bug#53933');
RELEASE_LOCK('Bug#53933')
1
DROP TABLE t1;
End of 5.0 tests
CREATE TABLE t1 (id INTEGER UNSIGNED NOT NULL AUTO_INCREMENT, PRIMARY KEY(id));
INSERT INTO t1( id ) VALUES ( NULL );
SELECT t1.id  FROM t1  WHERE (id  is not null and id is null );
id
DROP TABLE t1;
#
# Bug#29027883 INCORRECT RESULT OF LEFT JOIN
#
CREATE TABLE t1 (
pk int NOT NULL,
col_int_key INT NOT NULL,
col_date_key date NOT NULL,
PRIMARY KEY (pk),
KEY col_int_key (col_int_key),
KEY col_date_key (col_date_key)
) ENGINE=MyISAM;
INSERT IGNORE INTO t1 VALUES (14,4,'0000-00-00'), (15,2,'2003-01-13'),
(16,5,'2006-07-07'), (17,3,'0000-00-00');
Warnings:
Warning	1264	Out of range value for column 'col_date_key' at row 1
Warning	1264	Out of range value for column 'col_date_key' at row 4
CREATE TABLE t2 (
pk INT NOT NULL,
PRIMARY KEY (pk)
) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1), (2), (3);
CREATE TABLE t3(pk INT NOT NULL);
INSERT INTO t3 VALUES(3),(3);
select * from t3 left join
(t2 outr2 join t2 outr join t1)
on (outr.pk = t3.pk) and (t1.col_int_key = t3.pk) and isnull(t1.col_date_key)
and (outr2.pk <> t3.pk) ;
pk	pk	pk	pk	col_int_key	col_date_key
3	NULL	NULL	NULL	NULL	NULL
3	NULL	NULL	NULL	NULL	NULL
select * from t3 join
(t2 outr2 join t2 outr join t1)
on (outr.pk = t3.pk) and (t1.col_int_key = t3.pk) and isnull(t1.col_date_key)
and (outr2.pk <> t3.pk) ;
pk	pk	pk	pk	col_int_key	col_date_key
delete from t3;
INSERT INTO t3 VALUES(3);
EXPLAIN select * from t3, t1 where t1.col_date_key is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1	NULL	ref	col_date_key	col_date_key	3	const	1	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` join `test`.`t1` where (`test`.`t1`.`col_date_key` = DATE'0000-00-00')
select * from t3, t1 where t1.col_date_key is null;
pk	pk	col_int_key	col_date_key
3	14	4	0000-00-00
3	17	3	0000-00-00
EXPLAIN select * from t3 join t1 on t1.col_date_key is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` join `test`.`t1` where false
select * from t3 join t1 on t1.col_date_key is null;
pk	pk	col_int_key	col_date_key
EXPLAIN select * from t3 left join t1 on t1.col_date_key is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1	NULL	ref	col_date_key	col_date_key	3	const	1	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` left join `test`.`t1` on((`test`.`t1`.`col_date_key` is null)) where true
select * from t3 left join t1 on t1.col_date_key is null;
pk	pk	col_int_key	col_date_key
3	NULL	NULL	NULL
EXPLAIN select * from t3 left join t1 on t1.col_date_key is null
where t1.col_date_key is null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1	NULL	ref	col_date_key	col_date_key	3	const	1	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` left join `test`.`t1` on((`test`.`t1`.`col_date_key` is null)) where ((`test`.`t1`.`col_date_key` = DATE'0000-00-00') or (`test`.`t1`.`col_date_key` is null))
select * from t3 left join t1 on t1.col_date_key is null
where t1.col_date_key is null;
pk	pk	col_int_key	col_date_key
3	NULL	NULL	NULL
EXPLAIN select * from t3, t1 where t1.col_date_key is not null;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	4	100.00	Using join buffer (Block Nested Loop)
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` join `test`.`t1` where true
select * from t3, t1 where t1.col_date_key is not null;
pk	pk	col_int_key	col_date_key
3	14	4	0000-00-00
3	15	2	2003-01-13
3	16	5	2006-07-07
3	17	3	0000-00-00
EXPLAIN select * from t3, t1 where not (t1.col_date_key is null);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	4	100.00	Using join buffer (Block Nested Loop)
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` join `test`.`t1` where true
select * from t3, t1 where not (t1.col_date_key is null);
pk	pk	col_int_key	col_date_key
3	14	4	0000-00-00
3	15	2	2003-01-13
3	16	5	2006-07-07
3	17	3	0000-00-00
EXPLAIN select * from t3, t1 where (t1.col_date_key is null) is true;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
Warnings:
Note	1003	/* select#1 */ select `test`.`t3`.`pk` AS `pk`,`test`.`t1`.`pk` AS `pk`,`test`.`t1`.`col_int_key` AS `col_int_key`,`test`.`t1`.`col_date_key` AS `col_date_key` from `test`.`t3` join `test`.`t1` where false
select * from t3, t1 where (t1.col_date_key is null) is true;
pk	pk	col_int_key	col_date_key
DROP TABLE t1,t2,t3;