# Bug#26436185 Assertion 'buf_is_inside_another(data_in_mysql_buf, ...)
CREATE TABLE t1 (
pk int NOT NULL,
col_int_key int DEFAULT NULL,
col_int int DEFAULT NULL,
col_varchar varchar(1) DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_int_key (col_int_key)
);
INSERT INTO t1 VALUES (10,7,5,'l'), (12,7,4,'o');
CREATE TABLE t2 (
col_date_key date DEFAULT NULL,
col_datetime_key datetime DEFAULT NULL,
col_int_key int(11) DEFAULT NULL,
col_varchar_key varchar(1) DEFAULT NULL,
col_varchar varchar(1) DEFAULT NULL,
col_time time DEFAULT NULL,
pk int NOT NULL,
col_date date DEFAULT NULL,
col_time_key time DEFAULT NULL,
col_datetime datetime DEFAULT NULL,
col_int int DEFAULT NULL,
PRIMARY KEY (pk),
KEY col_date_key (col_date_key),
KEY col_datetime_key (col_datetime_key),
KEY col_int_key (col_int_key),
KEY col_varchar_key (col_varchar_key),
KEY col_time_key (col_time_key)
);
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
INSERT INTO t2(col_int_key,col_varchar_key,col_varchar,pk,col_int)  VALUES
(8,'a','w',1,5),
(9,'y','f',7,0),
(9,'z','i',11,9),
(9,'r','s',12,3),
(7,'n','i',13,6),
(9,'j','v',17,9),
(240,'u','k',20,6);
CREATE TABLE t3 (
col_int int DEFAULT NULL,
col_int_key int(11) DEFAULT NULL,
pk int NOT NULL,
PRIMARY KEY (pk),
KEY col_int_key (col_int_key)
);
Warnings:
Warning	1681	Integer display width is deprecated and will be removed in a future release.
INSERT INTO t3 VALUES (8,4,1);
ANALYZE TABLE t1, t2, t3;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
test.t2	analyze	status	OK
test.t3	analyze	status	OK
EXPLAIN SELECT table2.col_int_key AS field1
FROM (SELECT sq1_t1.*
FROM t1 AS sq1_t1 RIGHT OUTER JOIN t2 AS sq1_t2
ON sq1_t2.col_varchar_key = sq1_t1.col_varchar
) AS table1
LEFT JOIN t1 AS table2
RIGHT JOIN t2 AS table3
ON table3.pk = table2.col_int_key
ON table3.col_int_key = table2.col_int
WHERE table3.col_int_key >= ALL
(SELECT sq2_t1.col_int AS sq2_field1
FROM t2 AS sq2_t1 STRAIGHT_JOIN t3 AS sq2_t2
ON sq2_t2.col_int = sq2_t1.pk AND
sq2_t1.col_varchar IN
(SELECT sq21_t1.col_varchar AS sq21_field1
FROM t2 AS sq21_t1 STRAIGHT_JOIN t1 AS sq21_t2
ON sq21_t2.col_int_key = sq21_t1.pk
WHERE sq21_t1.pk = 7
)
WHERE sq2_t2.col_int_key >= table2.col_int AND
sq2_t1.col_int_key <= table2.col_int_key
);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	sq1_t2	NULL	index	NULL	col_varchar_key	7	NULL	7	100.00	Using index
1	PRIMARY	sq1_t1	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (Block Nested Loop)
1	PRIMARY	table2	NULL	ALL	col_int_key	NULL	NULL	NULL	2	100.00	NULL
1	PRIMARY	table3	NULL	eq_ref	PRIMARY,col_int_key	PRIMARY	4	test.table2.col_int_key	1	100.00	Using where
3	DEPENDENT SUBQUERY	<subquery4>	NULL	ALL	NULL	NULL	NULL	NULL	NULL	100.00	NULL
3	DEPENDENT SUBQUERY	sq2_t1	NULL	ALL	PRIMARY,col_int_key	NULL	NULL	NULL	7	14.29	Range checked for each record (index map: 0x9)
3	DEPENDENT SUBQUERY	sq2_t2	NULL	ALL	col_int_key	NULL	NULL	NULL	1	100.00	Range checked for each record (index map: 0x2)
4	MATERIALIZED	sq21_t1	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	NULL
4	MATERIALIZED	sq21_t2	NULL	ref	col_int_key	col_int_key	5	const	2	100.00	Using index
Warnings:
Note	1276	Field or reference 'test.table2.col_int' of SELECT #3 was resolved in SELECT #1
Note	1276	Field or reference 'test.table2.col_int_key' of SELECT #3 was resolved in SELECT #1
Note	1003	/* select#1 */ select `test`.`table2`.`col_int_key` AS `field1` from `test`.`t2` `sq1_t2` left join `test`.`t1` `sq1_t1` on((`test`.`sq1_t1`.`col_varchar` = `test`.`sq1_t2`.`col_varchar_key`)) left join (`test`.`t2` `table3` join `test`.`t1` `table2`) on(((`test`.`table3`.`pk` = `test`.`table2`.`col_int_key`) and (`test`.`table3`.`col_int_key` = `test`.`table2`.`col_int`))) where <not>(<in_optimizer>(`test`.`table3`.`col_int_key`,<exists>(/* select#3 */ select 1 from `test`.`t2` `sq2_t1` straight_join `test`.`t3` `sq2_t2` semi join (`test`.`t2` `sq21_t1` straight_join `test`.`t1` `sq21_t2`) where ((`test`.`sq2_t2`.`col_int` = `test`.`sq2_t1`.`pk`) and (`test`.`sq2_t1`.`col_varchar` = `<subquery4>`.`sq21_field1`) and (`test`.`sq21_t1`.`pk` = 7) and (`test`.`sq21_t2`.`col_int_key` = 7) and (`test`.`sq2_t2`.`col_int_key` >= `test`.`table2`.`col_int`) and (`test`.`sq2_t1`.`col_int_key` <= `test`.`table2`.`col_int_key`) and <if>(outer_field_is_not_null, ((<cache>(`test`.`table3`.`col_int_key`) < `test`.`sq2_t1`.`col_int`) or (`test`.`sq2_t1`.`col_int` is null)), true)) having <if>(outer_field_is_not_null, <is_not_null_test>(`test`.`sq2_t1`.`col_int`), true))))
SELECT table2.col_int_key AS field1
FROM (SELECT sq1_t1.*
FROM t1 AS sq1_t1 RIGHT OUTER JOIN t2 AS sq1_t2
ON sq1_t2.col_varchar_key = sq1_t1.col_varchar
) AS table1
LEFT JOIN t1 AS table2
RIGHT JOIN t2 AS table3
ON table3.pk = table2.col_int_key
ON table3.col_int_key = table2.col_int
WHERE table3.col_int_key >= ALL
(SELECT sq2_t1.col_int AS sq2_field1
FROM t2 AS sq2_t1 STRAIGHT_JOIN t3 AS sq2_t2
ON sq2_t2.col_int = sq2_t1.pk AND
sq2_t1.col_varchar IN
(SELECT sq21_t1.col_varchar AS sq21_field1
FROM t2 AS sq21_t1 STRAIGHT_JOIN t1 AS sq21_t2
ON sq21_t2.col_int_key = sq21_t1.pk
WHERE sq21_t1.pk = 7
)
WHERE sq2_t2.col_int_key >= table2.col_int AND
sq2_t1.col_int_key <= table2.col_int_key
);
field1
NULL
NULL
NULL
NULL
NULL
NULL
NULL
DROP TABLE t1, t2, t3;
#
# Bug#24713879 ASSERTION `MAYBE_NULL' FAILED. HANDLE_FATAL_SIGNAL IN TEM_FUNC_CONCAT::VAL_STR
#
CREATE TABLE t1(k VARCHAR(10) PRIMARY KEY);
CREATE TABLE t2(k VARCHAR(10) PRIMARY KEY);
SET SQL_MODE='';
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Not optimized, outer query is empty
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(NULL,'X'))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'` from `test`.`t1` where multiple equal('X', NULL)
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
SUM(k)
FROM t1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	index	NULL	PRIMARY	42	NULL	1	100.00	Using index
2	DEPENDENT SUBQUERY	t2	NULL	eq_ref	PRIMARY	PRIMARY	42	func	1	100.00	Using where; Using index
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(`test`.`t1`.`k`,'X'))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'`,sum(`test`.`t1`.`k`) AS `SUM(k)` from `test`.`t1`
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
SUM(k)
FROM t1;
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'	SUM(k)
NULL	NULL
EXPLAIN SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	index	NULL	PRIMARY	42	NULL	1	100.00	Using index
2	DEPENDENT SUBQUERY	t2	NULL	eq_ref	PRIMARY	PRIMARY	42	func	1	100.00	Using where; Using index
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select sum(`test`.`t1`.`k`) AS `SUM(k)`,`test`.`t1`.`k` AS `k` from `test`.`t1` having ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(`test`.`t1`.`k`,'X'))) = 'XXX')
SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';
SUM(k)	k
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
FROM t1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	index	NULL	PRIMARY	42	NULL	1	100.00	Using index
2	DEPENDENT SUBQUERY	t2	NULL	eq_ref	PRIMARY	PRIMARY	42	func	1	100.00	Using where; Using index
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where ((`test`.`t2`.`k` = concat(`test`.`t1`.`k`,'X')) and (0 <> sum(`test`.`t1`.`k`)))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'` from `test`.`t1`
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
FROM t1;
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
NULL
SET SQL_MODE=ONLY_FULL_GROUP_BY;
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Not optimized, outer query is empty
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(NULL,'X'))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'` from `test`.`t1` where multiple equal('X', NULL)
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
SUM(k)
FROM t1;
ERROR 42000: In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'test.t1.k'; this is incompatible with sql_mode=only_full_group_by
EXPLAIN SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';
ERROR 42000: In aggregated query without GROUP BY, expression #2 of SELECT list contains nonaggregated column 'test.t1.k'; this is incompatible with sql_mode=only_full_group_by
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
FROM t1;
ERROR 42000: In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'test.t1.k'; this is incompatible with sql_mode=only_full_group_by
SET SQL_MODE=STRICT_TRANS_TABLES;
Warnings:
Warning	3135	'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Not optimized, outer query is empty
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(NULL,'X'))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'` from `test`.`t1` where multiple equal('X', NULL)
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
SUM(k)
FROM t1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	index	NULL	PRIMARY	42	NULL	1	100.00	Using index
2	DEPENDENT SUBQUERY	t2	NULL	eq_ref	PRIMARY	PRIMARY	42	func	1	100.00	Using where; Using index
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(`test`.`t1`.`k`,'X'))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'`,sum(`test`.`t1`.`k`) AS `SUM(k)` from `test`.`t1`
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
SUM(k)
FROM t1;
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'	SUM(k)
NULL	NULL
EXPLAIN SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	index	NULL	PRIMARY	42	NULL	1	100.00	Using index
2	DEPENDENT SUBQUERY	t2	NULL	eq_ref	PRIMARY	PRIMARY	42	func	1	100.00	Using where; Using index
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select sum(`test`.`t1`.`k`) AS `SUM(k)`,`test`.`t1`.`k` AS `k` from `test`.`t1` having ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(`test`.`t1`.`k`,'X'))) = 'XXX')
SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';
SUM(k)	k
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
FROM t1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	index	NULL	PRIMARY	42	NULL	1	100.00	Using index
2	DEPENDENT SUBQUERY	t2	NULL	eq_ref	PRIMARY	PRIMARY	42	func	1	100.00	Using where; Using index
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where ((`test`.`t2`.`k` = concat(`test`.`t1`.`k`,'X')) and (0 <> sum(`test`.`t1`.`k`)))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'` from `test`.`t1`
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
FROM t1;
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
NULL
SET SQL_MODE=DEFAULT;
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Not optimized, outer query is empty
Warnings:
Note	1276	Field or reference 'test.t1.k' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select ((/* select#2 */ select 'X' from `test`.`t2` where (`test`.`t2`.`k` = concat(NULL,'X'))) = 'XXX') AS `(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'` from `test`.`t1` where multiple equal('X', NULL)
SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';
(SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
SUM(k)
FROM t1;
ERROR 42000: In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'test.t1.k'; this is incompatible with sql_mode=only_full_group_by
EXPLAIN SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';
ERROR 42000: In aggregated query without GROUP BY, expression #2 of SELECT list contains nonaggregated column 'test.t1.k'; this is incompatible with sql_mode=only_full_group_by
EXPLAIN SELECT (SELECT 'X' FROM t2
WHERE t2.k = CONCAT(t1.k, 'X')
AND SUM(t1.k)) = 'XXX'
FROM t1;
ERROR 42000: In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'test.t1.k'; this is incompatible with sql_mode=only_full_group_by
DROP TABLE t1,t2;
#
# Bug#27665085 ASSERTION FAILED: JOIN == 0.
#
SET sql_mode='';
CREATE TABLE a(d INT,e BIGINT, KEY(e));
INSERT a VALUES (0,0);
CREATE TABLE b(f TIME);
INSERT b VALUES (null),(null),(null);
CREATE TABLE c(g DATETIME(6) NOT NULL);
INSERT c(g) VALUES (now()+interval 1 day);
INSERT c(g) VALUES (now()-interval 1 day);
SELECT 1 FROM a WHERE (SELECT f FROM b WHERE (SELECT 1 FROM c)) <=> e GROUP BY d;
ERROR 21000: Subquery returns more than 1 row
SET sql_mode=default;
DROP TABLES a, b, c;
#
# Bug#27182010 SUBQUERY INCORRECTLY SHOWS DUPLICATE VALUES ON SUBQUERIES
#
CREATE TABLE p (Id INT,PRIMARY KEY (Id));
INSERT INTO p VALUES (1);
# Test UNIQUE KEY with NULL values
CREATE TABLE s (Id INT, u INT, UNIQUE KEY o(Id, u) );
INSERT INTO s VALUES (1, NULL),(1, NULL);
EXPLAIN SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s WHERE Id=1 AND u IS NULL)ORDER BY Id DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	p	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
1	SIMPLE	s	NULL	ref	o	o	10	const,const	2	100.00	Using where; Using index; FirstMatch(p)
Warnings:
Note	1003	/* select#1 */ select '1' AS `Id` from `test`.`p` semi join (`test`.`s`) where ((`test`.`s`.`Id` = 1) and (`test`.`s`.`u` is null)) order by '1' desc
EXPLAIN SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s WHERE Id=1 AND u IS NOT NULL) ORDER BY Id DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	p	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
1	SIMPLE	s	NULL	range	o	o	10	NULL	1	100.00	Using where; Using index; FirstMatch(p)
Warnings:
Note	1003	/* select#1 */ select '1' AS `Id` from `test`.`p` semi join (`test`.`s`) where ((`test`.`s`.`Id` = 1) and (`test`.`s`.`u` is not null)) order by '1' desc
SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s WHERE Id=1 AND u IS NULL)ORDER BY Id DESC;
Id
1
SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s WHERE Id=1 AND u IS NOT NULL) ORDER BY Id DESC;
Id
# UNIQUE KEY without NULL values
CREATE TABLE s1 (Id INT, u INT, UNIQUE KEY o(Id, u) );
INSERT INTO s1 VALUES (1, 2),(1, 3);
EXPLAIN SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s1.Id FROM s1 WHERE Id=1 AND u IS NOT NULL) ORDER BY Id DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	p	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
1	SIMPLE	s1	NULL	index	o	o	10	NULL	2	100.00	Using where; Using index; FirstMatch(p)
Warnings:
Note	1003	/* select#1 */ select '1' AS `Id` from `test`.`p` semi join (`test`.`s1`) where ((`test`.`s1`.`Id` = 1) and (`test`.`s1`.`u` is not null)) order by '1' desc
EXPLAIN SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s1.Id FROM s1 WHERE Id=1 AND u != 1) ORDER BY Id DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	p	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
1	SIMPLE	s1	NULL	index	o	o	10	NULL	2	100.00	Using where; Using index; FirstMatch(p)
Warnings:
Note	1003	/* select#1 */ select '1' AS `Id` from `test`.`p` semi join (`test`.`s1`) where ((`test`.`s1`.`Id` = 1) and (`test`.`s1`.`u` <> 1)) order by '1' desc
SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s1.Id FROM s1 WHERE Id=1 AND u IS NOT NULL) ORDER BY Id DESC;
Id
1
SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s1.Id FROM s1 WHERE Id=1 AND u != 1) ORDER BY Id DESC;
Id
1
# NON UNIQUE KEY Scenario
CREATE TABLE s2 (Id INT, u INT, KEY o(Id, u) );
INSERT INTO s2 VALUES (1, NULL),(1, NULL);
#UNIQUE KEY with NON NULL FIELDS
CREATE TABLE s3 (Id INT NOT NULL, u INT NOT NULL, UNIQUE KEY o(Id, u));
INSERT INTO s3 VALUES (1, 2),(1, 3);
EXPLAIN SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s2 s WHERE Id=1 AND u IS NULL) ORDER BY Id DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	p	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
1	SIMPLE	s	NULL	ref	o	o	10	const,const	2	100.00	Using where; Using index; FirstMatch(p)
Warnings:
Note	1003	/* select#1 */ select '1' AS `Id` from `test`.`p` semi join (`test`.`s2` `s`) where ((`test`.`s`.`Id` = 1) and (`test`.`s`.`u` is null)) order by '1' desc
EXPLAIN SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s3 s WHERE Id=1 AND u IS NOT NULL)
ORDER BY Id DESC;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	p	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
1	SIMPLE	s	NULL	ref	o	o	4	const	2	100.00	Using index; FirstMatch(p)
Warnings:
Note	1003	/* select#1 */ select '1' AS `Id` from `test`.`p` semi join (`test`.`s3` `s`) where (`test`.`s`.`Id` = 1) order by '1' desc
SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s2 s WHERE Id=1 AND u IS NULL) ORDER BY Id DESC;
Id
1
SELECT p.Id FROM (p) WHERE p.Id IN (
SELECT s.Id FROM s3 s WHERE Id=1 AND u IS NOT NULL)
ORDER BY Id DESC;
Id
1
DROP TABLE p, s, s1, s2, s3;
#
# Bug#28239008: WL#9571: SIG11 IN ITEM_FIELD::RESULT_TYPE() AT SQL/ITEM.H
#
CREATE TABLE t1 (f1 varchar(1) DEFAULT NULL);
INSERT INTO t1 VALUES ('5');
CREATE TABLE t2 (f1 varchar(1) DEFAULT NULL);
INSERT INTO t2 VALUES ('Y');
PREPARE prep_stmt FROM "SELECT t2.f1 FROM (t2 LEFT JOIN t1
 ON (1 = ANY (SELECT f1 FROM t1 WHERE 1 IS NULL)))" ;
EXECUTE prep_stmt ;
f1
Y
DROP TABLE t1,t2;
CREATE TABLE t1 (f1 varchar(1) DEFAULT NULL);
INSERT INTO t1 VALUES ('Z') ;
CREATE TABLE t2 (f1 varchar(1) DEFAULT NULL);
INSERT INTO t2 VALUES ('Z') ;
PREPARE prep_stmt FROM "
SELECT t2.f1 FROM t2 LEFT OUTER JOIN
(SELECT  * FROM t2 WHERE ('y',1)
 IN (SELECT alias1.f1 , 0 FROM t1 AS alias1 LEFT JOIN t2 ON 0)) AS alias ON 0";
EXECUTE prep_stmt ;
f1
Z
PREPARE prep_stmt FROM "
SELECT t2.f1 FROM (t2 LEFT OUTER JOIN (SELECT  * FROM t2 WHERE ('y',1)
 IN (SELECT alias1.f1 , 0 FROM
     (t1 INNER JOIN  (t1 AS alias1 LEFT JOIN t2 ON 0) ON 0))) AS alias ON 0)";
EXECUTE prep_stmt ;
f1
Z
DROP TABLE t1,t2;
#
# Bug#28805105: Sig11 in calc_length_and_keyparts
#
CREATE TABLE t1 (cv VARCHAR(1) DEFAULT NULL);
INSERT INTO t1 VALUES ('h'), ('Q'), ('I'), ('q'), ('W');
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
EXPLAIN SELECT cv
FROM t1
WHERE EXISTS (SELECT alias1.cv AS field1
FROM t1 AS alias1 RIGHT JOIN t1 AS alias2
ON alias1.cv = alias2.cv
);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	5	100.00	NULL
1	SIMPLE	<subquery2>	NULL	const	<auto_distinct_key>	<auto_distinct_key>	8	const	1	100.00	NULL
2	MATERIALIZED	alias2	NULL	ALL	NULL	NULL	NULL	NULL	5	100.00	NULL
2	MATERIALIZED	alias1	NULL	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where; Using join buffer (Block Nested Loop)
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`cv` AS `cv` from `test`.`t1` semi join (`test`.`t1` `alias2` left join `test`.`t1` `alias1` on((`test`.`alias1`.`cv` = `test`.`alias2`.`cv`))) where true
SELECT cv
FROM t1
WHERE EXISTS (SELECT alias1.cv AS field1
FROM t1 AS alias1 RIGHT JOIN t1 AS alias2
ON alias1.cv = alias2.cv
);
cv
h
Q
I
q
W
DROP TABLE t1;
# Bug#28970261: Sig6 in decorrelate_equality()
CREATE TABLE t1 (col_varchar_key varchar(1) DEFAULT NULL);
EXPLAIN SELECT *
FROM t1
WHERE col_varchar_key IN
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key =
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key > @var1
)
);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where
1	PRIMARY	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where; FirstMatch(t1); Using join buffer (Block Nested Loop)
3	UNCACHEABLE SUBQUERY	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`col_varchar_key` AS `col_varchar_key` from `test`.`t1` semi join (`test`.`t1`) where ((`test`.`t1`.`col_varchar_key` = (/* select#3 */ select `test`.`t1`.`col_varchar_key` from `test`.`t1` where (`test`.`t1`.`col_varchar_key` > <cache>((@`var1`))))) and (`test`.`t1`.`col_varchar_key` = (/* select#3 */ select `test`.`t1`.`col_varchar_key` from `test`.`t1` where (`test`.`t1`.`col_varchar_key` > <cache>((@`var1`))))))
SELECT *
FROM t1
WHERE col_varchar_key IN
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key =
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key > @var1
)
);
col_varchar_key
EXPLAIN SELECT *
FROM t1
WHERE col_varchar_key IN
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key =
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key = RAND()
)
);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where
1	PRIMARY	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where; FirstMatch(t1); Using join buffer (Block Nested Loop)
3	UNCACHEABLE SUBQUERY	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`col_varchar_key` AS `col_varchar_key` from `test`.`t1` semi join (`test`.`t1`) where ((`test`.`t1`.`col_varchar_key` = (/* select#3 */ select `test`.`t1`.`col_varchar_key` from `test`.`t1` where (`test`.`t1`.`col_varchar_key` = rand()))) and (`test`.`t1`.`col_varchar_key` = (/* select#3 */ select `test`.`t1`.`col_varchar_key` from `test`.`t1` where (`test`.`t1`.`col_varchar_key` = rand()))))
SELECT *
FROM t1
WHERE col_varchar_key IN
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key =
(SELECT col_varchar_key
FROM t1
WHERE col_varchar_key = RAND()
)
);
col_varchar_key
DROP TABLE t1;
#
# Bug #29193761: WL#12470: SIG 11 IN MARKUNHANDLEDDUPLICATES() AT SQL/SQL_EXECUTOR.CC
#
CREATE TABLE t1 (
pk integer NOT NULL PRIMARY KEY,
f1 varchar(1),
KEY k1 (f1)
);
CREATE TABLE t2 ( pk integer NOT NULL PRIMARY KEY );
CREATE VIEW v2 AS select * FROM t2;
INSERT INTO t1 VALUES (1, 'G');
INSERT INTO t1 VALUES (2, 'j');
INSERT INTO t1 VALUES (3, 'K');
INSERT INTO t1 VALUES (4, 'v');
INSERT INTO t1 VALUES (5, 'E');
ANALYZE TABLE t1, t2;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
test.t2	analyze	status	OK
EXPLAIN FORMAT=tree SELECT * FROM t1 WHERE pk IN ( SELECT pk FROM t1 LEFT JOIN v2 USING (pk) WHERE f1 >= 'o' );
EXPLAIN
-> Remove duplicate t1 rows using temporary table (weedout)
    -> Nested loop inner join  (cost=1.16 rows=1)
        -> Nested loop left join  (cost=0.81 rows=1)
            -> Filter: (t1.f1 >= 'o')  (cost=0.46 rows=1)
                -> Index range scan on t1 using k1  (cost=0.46 rows=1)
            -> Single-row index lookup on t2 using PRIMARY (pk=t1.pk)  (cost=0.35 rows=1)
        -> Single-row index lookup on t1 using PRIMARY (pk=t1.pk)  (cost=0.35 rows=1)

DROP TABLE t1, t2;
DROP VIEW v2;
#
# Bug #29236241: WL#12470: SIG 6 IN TEMPTABLE::HANDLER::POSITION AT SRC/HANDLER.CC
#
CREATE TABLE t1 (
f1 varchar(1),
KEY k1 (f1)
);
INSERT INTO t1 VALUES ('6'),('6');
EXPLAIN FORMAT=tree SELECT 1 WHERE (
SELECT 1
FROM t1 LEFT JOIN t1 AS t2 ON 'f' IN ( SELECT f1 FROM t1 )
WHERE EXISTS ( SELECT * FROM t1 LEFT JOIN t1 AS t3 ON t3.f1='a' )
);
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1;
#
# Bug #29231551: WL#12470: SIG 6 QEP_TAB->LAST_INNER() == (-2) CONNECTJOINS()|SQL/SQL_EXECUTOR.CC
#
CREATE TABLE t1 (
pk integer PRIMARY KEY,
f1 integer,
f2 varchar(1)
);
INSERT INTO t1 VALUES (1,100,'x'),(2,200,'y');
CREATE TABLE t2 (
f2 varchar(1)
);
ANALYZE TABLE t1, t2;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
test.t2	analyze	status	OK
EXPLAIN FORMAT=tree SELECT * FROM t1 LEFT JOIN t1 AS t3 ON t1.pk = t3.pk AND t1.f2 IN ( SELECT f2 FROM t2 )
WHERE EXISTS ( SELECT * FROM t1 AS t4, t2 AS t5 ) AND t1.f1 = 80 AND t1.pk > t1.f1;
EXPLAIN
-> Remove duplicate (t1, t3) rows using temporary table (weedout)
    -> Nested loop inner join  (cost=1.04 rows=1)
        -> Nested loop left join  (cost=0.81 rows=0)
            -> Nested loop inner join  (cost=0.64 rows=0)
                -> Filter: ((t1.f1 = 80) and (t1.pk > 80))  (cost=0.46 rows=0)
                    -> Index range scan on t1 using PRIMARY  (cost=0.46 rows=1)
                -> Table scan on t5  (cost=0.45 rows=1)
            -> Nested loop inner join  (cost=0.67 rows=1)
                -> Filter: (t2.f2 = t1.f2)  (cost=0.45 rows=1)
                    -> Table scan on t2  (cost=0.45 rows=1)
                -> Single-row index lookup on t3 using PRIMARY (pk=t1.pk)  (cost=0.45 rows=1)
        -> Index scan on t4 using PRIMARY  (cost=1.30 rows=2)

DROP TABLE t1, t2;
#
# Bug#29356132:OPTIMIZED-AWAY SUBQUERY IN PREPARED STATEMENT CAUSES ASSERT FAILURE IN EXECUTION
#
CREATE TABLE t1 (f1 varchar(1));
INSERT INTO t1 VALUES ('5');
CREATE TABLE t2 (f1 varchar(1));
INSERT INTO t2 VALUES ('Y');
PREPARE prep_stmt FROM "SELECT t2.f1 FROM (t2 LEFT JOIN t1
 ON 1 IN (SELECT f1 FROM t1 WHERE FALSE))" ;
EXECUTE prep_stmt ;
f1
Y
DROP TABLE t1,t2;
# Bug#28955216: Assertion 'keyparts > 0' failed
set optimizer_switch='derived_merge=off';
CREATE TABLE t1 (
pk INTEGER,
col_int_key INTEGER,
col_datetime_gckey DATETIME,
col_time_gckey TIME,
col_varchar_key VARCHAR(15)
);
CREATE TABLE t2 (
pk INTEGER,
col_int_key INTEGER,
col_varchar_key VARCHAR(15)
);
EXPLAIN SELECT alias1.col_time_gckey AS field1,
alias1.col_datetime_gckey AS field2
FROM t1 AS alias1,
(SELECT DISTINCT sq1_alias2.*
FROM t1 AS sq1_alias1, t1 AS sq1_alias2
) AS alias2,
(SELECT sq2_alias1.*
FROM t1 AS sq2_alias1 RIGHT OUTER JOIN
t1 AS sq2_alias2 INNER JOIN t2 AS sq2_alias3
ON sq2_alias3.col_int_key = sq2_alias2.col_int_key
ON sq2_alias3.col_varchar_key = sq2_alias2.col_varchar_key
) AS alias3
WHERE alias2.col_int_key = SOME
(WITH qn AS
(SELECT sq3_alias1.pk AS sq3_field1
FROM t1 AS sq3_alias1
WHERE sq3_alias1.col_int_key = alias3.pk
)
SELECT /*+ MERGE(qn) */ * FROM qn
);
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	alias1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
1	PRIMARY	<subquery4>	NULL	ALL	NULL	NULL	NULL	NULL	NULL	100.00	Using where; Using join buffer (Block Nested Loop)
1	PRIMARY	<derived2>	NULL	ref	<auto_key0>	<auto_key0>	5	<subquery4>.sq3_field1	2	100.00	NULL
1	PRIMARY	<derived3>	NULL	ref	<auto_key0>	<auto_key0>	5	<subquery4>.col_int_key	2	100.00	NULL
4	MATERIALIZED	sq3_alias1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
3	DERIVED	sq2_alias2	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
3	DERIVED	sq2_alias3	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where; Using join buffer (Block Nested Loop)
3	DERIVED	sq2_alias1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using where; Using join buffer (Block Nested Loop)
2	DERIVED	sq1_alias1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using temporary
2	DERIVED	sq1_alias2	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Using join buffer (Block Nested Loop)
Warnings:
Note	1276	Field or reference 'alias3.pk' of SELECT #5 was resolved in SELECT #1
Note	1003	/* select#1 */ select /*+ MERGE(`qn`@`select#4`) */ `test`.`alias1`.`col_time_gckey` AS `field1`,`test`.`alias1`.`col_datetime_gckey` AS `field2` from `test`.`t1` `alias1` join (/* select#2 */ select distinct `test`.`sq1_alias2`.`pk` AS `pk`,`test`.`sq1_alias2`.`col_int_key` AS `col_int_key`,`test`.`sq1_alias2`.`col_datetime_gckey` AS `col_datetime_gckey`,`test`.`sq1_alias2`.`col_time_gckey` AS `col_time_gckey`,`test`.`sq1_alias2`.`col_varchar_key` AS `col_varchar_key` from `test`.`t1` `sq1_alias1` join `test`.`t1` `sq1_alias2`) `alias2` join (/* select#3 */ select `test`.`sq2_alias1`.`pk` AS `pk`,`test`.`sq2_alias1`.`col_int_key` AS `col_int_key`,`test`.`sq2_alias1`.`col_datetime_gckey` AS `col_datetime_gckey`,`test`.`sq2_alias1`.`col_time_gckey` AS `col_time_gckey`,`test`.`sq2_alias1`.`col_varchar_key` AS `col_varchar_key` from `test`.`t1` `sq2_alias2` join `test`.`t2` `sq2_alias3` left join `test`.`t1` `sq2_alias1` on((`test`.`sq2_alias3`.`col_varchar_key` = `test`.`sq2_alias2`.`col_varchar_key`)) where (`test`.`sq2_alias3`.`col_int_key` = `test`.`sq2_alias2`.`col_int_key`)) `alias3` semi join (`test`.`t1` `sq3_alias1`) where ((`alias3`.`pk` = `<subquery4>`.`col_int_key`) and (`alias2`.`col_int_key` = `<subquery4>`.`sq3_field1`))
SELECT alias1.col_time_gckey AS field1,
alias1.col_datetime_gckey AS field2
FROM t1 AS alias1,
(SELECT DISTINCT sq1_alias2.*
FROM t1 AS sq1_alias1, t1 AS sq1_alias2
) AS alias2,
(SELECT sq2_alias1.*
FROM t1 AS sq2_alias1 RIGHT OUTER JOIN
t1 AS sq2_alias2 INNER JOIN t2 AS sq2_alias3
ON sq2_alias3.col_int_key = sq2_alias2.col_int_key
ON sq2_alias3.col_varchar_key = sq2_alias2.col_varchar_key
) AS alias3
WHERE alias2.col_int_key = SOME
(WITH qn AS
(SELECT sq3_alias1.pk AS sq3_field1
FROM t1 AS sq3_alias1
WHERE sq3_alias1.col_int_key = alias3.pk
)
SELECT /*+ MERGE(qn) */ * FROM qn
);
field1	field2
DROP TABLE t1, t2;
set optimizer_switch=default;
#
# Bug #29493026: INCORRECT RESULT FROM QUERY CONTAINING AN IN-SUBQUERY
#
CREATE TABLE t1 (
pk INTEGER
);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (
pk INTEGER PRIMARY KEY
);
INSERT INTO t2 VALUES(1);
CREATE TABLE t3 (
col_int_key INTEGER,
pk INTEGER
);
INSERT INTO t3 VALUES (31,4),(2,5),(17,3),(5,2),(17,1);
CREATE TABLE t4 (
col_int_key INTEGER,
col_int_unique INTEGER,
UNIQUE KEY ix2 (col_int_key,col_int_unique)
);
INSERT INTO t4 VALUES (6,2),(34,3);
ANALYZE TABLE t1, t2, t3, t4;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
test.t2	analyze	status	OK
test.t3	analyze	status	OK
test.t4	analyze	status	OK
set optimizer_switch='firstmatch=off';
EXPLAIN FORMAT=tree SELECT * FROM t1 WHERE pk IN (
SELECT t2.pk FROM
t4
RIGHT JOIN t3 ON t4.col_int_key = t3.pk
RIGHT JOIN t2 ON t3.col_int_key <> t2.pk
);
EXPLAIN
-> Remove duplicate (t1, t2) rows using temporary table (weedout)
    -> Nested loop left join  (cost=1.45 rows=5)
        -> Nested loop inner join  (cost=0.70 rows=1)
            -> Filter: (t1.pk is not null)  (cost=0.35 rows=1)
                -> Table scan on t1  (cost=0.35 rows=1)
            -> Single-row index lookup on t2 using PRIMARY (pk=t1.pk)  (cost=0.35 rows=1)
        -> Nested loop left join  (cost=2.50 rows=5)
            -> Filter: (t3.col_int_key <> t2.pk)  (cost=0.75 rows=5)
                -> Table scan on t3  (cost=0.75 rows=5)
            -> Index lookup on t4 using ix2 (col_int_key=t3.pk)  (cost=1.35 rows=1)

SELECT * FROM t1 WHERE pk IN (
SELECT t2.pk FROM
t4
RIGHT JOIN t3 ON t4.col_int_key = t3.pk
RIGHT JOIN t2 ON t3.col_int_key <> t2.pk
);
pk
1
DROP TABLE t1, t2, t3, t4;
set optimizer_switch=default;
#
# Bug #29693294: ASSERTION FAILURE M_INDEX_CURSOR.IS_POSITIONED() | SRC/HANDLER.CC
#
CREATE TABLE t1 ( pk integer, f1 varchar(1) );
INSERT INTO t1 VALUES (1,'D'), (20,'G');
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
EXPLAIN FORMAT=TREE SELECT * FROM ( SELECT DISTINCT * FROM t1 ) AS d0 LEFT JOIN t1 ON d0.pk IN ( SELECT 1 FROM t1 ) ORDER BY d0.f1;
EXPLAIN
-> Remove duplicate (d0, t1) rows using temporary table (weedout)
    -> Nested loop left join
        -> Sort row IDs: d0.f1
            -> Table scan on d0
                -> Materialize
                    -> Table scan on <temporary>
                        -> Temporary table with deduplication
                            -> Table scan on t1  (cost=0.45 rows=2)
        -> Nested loop inner join  (cost=1.10 rows=4)
            -> Filter: (d0.pk = 1)  (cost=0.45 rows=2)
                -> Table scan on t1  (cost=0.45 rows=2)
            -> Table scan on t1  (cost=0.23 rows=2)

SELECT * FROM ( SELECT DISTINCT * FROM t1 ) AS d0 LEFT JOIN t1 ON d0.pk IN ( SELECT 1 FROM t1 ) ORDER BY d0.f1;
pk	f1	pk	f1
1	D	1	D
1	D	20	G
20	G	NULL	NULL
DROP TABLE t1;
#
# Bug#29664504 REGRESSION: CRASHING FROM ITEM_FUNC_AS_WKT::VAL_STR_ASCII()
#
CREATE TABLE t1(a TINYBLOB);
INSERT INTO t1 VALUES('aaa'),('bbb'),(''),('ccc');
SELECT DISTINCT * FROM t1
ORDER BY UUID_TO_BIN(
ST_ISEMPTY(
ST_POINTFROMTEXT(
ST_ASWKT(
NOT EXISTS(
SELECT 1 FROM t1
WHERE IS_UUID(CAST(SHA(a>>0xA7FE1B22)AS JSON)) WINDOW w1 AS()
),'AXIS-ORDER=SRID-DEFINED'
      ),1,'AXIS-ORDER=LONG-LAT'
    )
)
);
ERROR 22032: Invalid JSON text in argument 1 to function cast_as_json: "The document root must not be followed by other values." at position 4.
DROP TABLE t1;
#
# Bug#29669840 REGRESSION: CRASH IN DECIMAL_ADD()
#
CREATE TABLE t1(a DATETIME(2));
INSERT INTO t1 VALUES(NOW(2)),(NOW(2));
SELECT STD(IS_FREE_LOCK(0x2ADA5C38)),1 FROM t1 WHERE a+(EXISTS(SELECT 1));
ERROR 42000: Incorrect user-level lock name '*\xDA\8'.
DROP TABLE t1;
#
# Bug#29668446 REGRESSION: CRASH IN DO_DIV_MOD()
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES(1),(2),(3);
SELECT 1 FROM t1 WHERE
(EXISTS(SELECT 1 FROM t1 WHERE (SELECT 1 FROM t1 WINDOW w1 AS())))/1;
ERROR 21000: Subquery returns more than 1 row
DROP TABLE t1;
# Bug#29525304 Sig 6 at Item_in_subselect::val_int()
CREATE TABLE t1 (vc varchar(1) NOT NULL);
CREATE VIEW v1 AS SELECT * FROM t1 WHERE 5 IN (SELECT 1) IS UNKNOWN;
DROP VIEW v1;
DROP TABLE t1;
#
# Bug #29889223: SIG 6 AT TEMPTABLE::HANDLER::UPDATE_ROW | SRC/HANDLER.CC
#
set optimizer_switch='block_nested_loop=off,batched_key_access=off';
CREATE TABLE t1 (
field1 integer
);
INSERT INTO t1 VALUES (13);
CREATE TABLE t2 (
field2 integer
);
INSERT INTO t2 VALUES (18);
CREATE TABLE t3 (
field3 integer
);
INSERT INTO t3 VALUES (1);
UPDATE t3 SET field3 = 9 WHERE field3 IN (
SELECT 1
FROM ( SELECT * FROM t2 ) AS alias1
WHERE EXISTS ( SELECT * FROM t1 WHERE field1 <> alias1.field2 )
);
DROP TABLE t1, t2, t3;
set optimizer_switch=default;
#
# Bug #29836364: WL#13000: SIG 11 AT COST_SKIP_SCAN() | SQL/OPT_RANGE.CC
#
CREATE TABLE t1 (
f1 integer NOT NULL PRIMARY KEY,
f2 varchar(1),
KEY f2_idx (f2)
);
INSERT INTO t1 VALUES (20,'2');
ANALYZE TABLE t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
explain format=tree SELECT (
SELECT t2.f2 FROM t1 JOIN (
t1 AS t2 LEFT JOIN t1 AS t3 USING (f2)
) ON t3.f2 = t2.f2
WHERE t2.f1 > table1.f2
) FROM t1 AS table1;
EXPLAIN
-> Index scan on table1 using f2_idx  (cost=0.35 rows=1)
-> Select #2 (subquery in projection; dependent)
    -> Nested loop inner join  (cost=1.05 rows=1)
        -> Nested loop inner join  (cost=0.70 rows=1)
            -> Index scan on t1 using f2_idx  (cost=0.35 rows=1)
            -> Filter: (t2.f1 > table1.f2)  (cost=0.35 rows=1)
                -> Index range scan on t2 (re-planned for each iteration)  (cost=0.35 rows=1)
        -> Index lookup on t3 using f2_idx (f2=t2.f2)  (cost=0.35 rows=1)

Warnings:
Note	1276	Field or reference 'test.table1.f2' of SELECT #2 was resolved in SELECT #1
SELECT (
SELECT t2.f2 FROM t1 JOIN (
t1 AS t2 LEFT JOIN t1 AS t3 USING (f2)
) ON t3.f2 = t2.f2
WHERE t2.f1 > table1.f2
) FROM t1 AS table1;
(
SELECT t2.f2 FROM t1 JOIN (
t1 AS t2 LEFT JOIN t1 AS t3 USING (f2)
) ON t3.f2 = t2.f2
WHERE t2.f1 > table1.f2
)
2
DROP TABLE t1;