Commit 4386278e authored by unknown's avatar unknown
Browse files

Manual merge

parent a858d8e8

mysql-test/r/subselect.result

+125 −18
Original line number Diff line number Diff line
@@ -744,7 +744,7 @@ id select_type table type possible_keys key key_len ref rows Extra 
3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used

NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	

Warnings:

Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `1` having trigcond((<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1))) union select 3 AS `3` having trigcond((<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))))

Note	1003	select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 AS `1` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(1)) union select 3 AS `3` having (<cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))

SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);

id

SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -892,7 +892,7 @@ id select_type table type possible_keys key key_len ref rows Extra 
1	PRIMARY	t1	index	NULL	PRIMARY	4	NULL	4	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	a	a	5	func	2	Using index

Warnings:

Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`

Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`

CREATE TABLE t3 (a int(11) default '0');

INSERT INTO t3 VALUES (1),(2),(3);

SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -907,7 +907,7 @@ id select_type table type possible_keys key key_len ref rows Extra 
2	DEPENDENT SUBQUERY	t2	ref_or_null	a	a	5	func	2	Using where; Using index

2	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	3	Using where

Warnings:

Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and trigcond(((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`

Note	1003	select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`

drop table t1,t2,t3;

create table t1 (a float);

select 10.5 IN (SELECT * from t1 LIMIT 1);
@@ -1305,7 +1305,7 @@ a 
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t2	index	NULL	PRIMARY	4	NULL	4	Using where; Using index

2	DEPENDENT SUBQUERY	t1	unique_subquery	PRIMARY	PRIMARY	4	func	1	Using index; Using where

2	DEPENDENT SUBQUERY	t1	unique_subquery	PRIMARY	PRIMARY	4	func	1	Using where

Warnings:

Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY where (`test`.`t1`.`b` <> 30))))

select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
@@ -1462,27 +1462,27 @@ a3 1 
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t1	index	NULL	s1	6	NULL	3	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index; Full scan on NULL key

Warnings:

Note	1003	select `test`.`t1`.`s1` AS `s1`,not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`

Note	1003	select `test`.`t1`.`s1` AS `s1`,(not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`

explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t1	index	NULL	s1	6	NULL	3	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index; Full scan on NULL key

Warnings:

Note	1003	select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`

Note	1003	select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`

explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t1	index	NULL	s1	6	NULL	3	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index; Full scan on NULL key

Warnings:

Note	1003	select `test`.`t1`.`s1` AS `s1`,not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`

Note	1003	select `test`.`t1`.`s1` AS `s1`,(not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`

explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t1	index	NULL	s1	6	NULL	3	Using index

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index; Using where

2	DEPENDENT SUBQUERY	t2	index_subquery	s1	s1	6	func	2	Using index; Using where; Full scan on NULL key

Warnings:

Note	1003	select `test`.`t1`.`s1` AS `s1`,not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < _latin1'a2'))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`

Note	1003	select `test`.`t1`.`s1` AS `s1`,(not(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < _latin1'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`

drop table t1,t2;

create table t2 (a int, b int);

create table t3 (a int);
@@ -1737,14 +1737,14 @@ id select_type table type possible_keys key key_len ref rows Extra 
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	12	Using where

2	DEPENDENT SUBQUERY	t1	unique_subquery	PRIMARY	PRIMARY	4	func	1	Using index; Using where

Warnings:

Note	1003	select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where not(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where (`test`.`t1`.`id` < 8)))))

Note	1003	select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where (not(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where (`test`.`t1`.`id` < 8))))))

explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	tt	ALL	NULL	NULL	NULL	NULL	12	Using where

2	DEPENDENT SUBQUERY	t1	eq_ref	PRIMARY	PRIMARY	4	test.tt.id	1	Using where; Using index

Warnings:

Note	1276	Field or reference 'tt.id' of SELECT #2 was resolved in SELECT #1

Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where not(exists(select `test`.`t1`.`id` AS `id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))

Note	1003	select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` AS `id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))

insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');

create table t2 (id int not null, text varchar(20) not null default '', primary key (id));

insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2816,19 +2816,19 @@ id select_type table type possible_keys key key_len ref rows Extra 
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	Using where

Warnings:

Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = _latin1'0') and trigcond((((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`)) and ((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))))) having trigcond((<is_not_null_test>(`test`.`t2`.`one`) and <is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`

Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = _latin1'0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`

explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	Using where

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	Using where

Warnings:

Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = _latin1'N') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`))))))

Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where ((`test`.`t2`.`flag` = _latin1'N') and (<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) and (<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`))))

explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	8	

2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	9	Using where; Using temporary; Using filesort

Warnings:

Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = _latin1'0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having trigcond((((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`)) and ((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)) and <is_not_null_test>(`test`.`t2`.`one`) and <is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`

Note	1003	select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one` AS `one`,`test`.`t2`.`two` AS `two` from `test`.`t2` where (`test`.`t2`.`flag` = _latin1'0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`))))) AS `test` from `test`.`t1`

DROP TABLE t1,t2;

CREATE TABLE t1 (a char(5), b char(5));

INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa');
@@ -3009,7 +3009,7 @@ INSERT INTO t2 VALUES (1),(2),(3); 
EXPLAIN SELECT a, a IN (SELECT a FROM t1) FROM t2;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	3	

2	DEPENDENT SUBQUERY	t1	index_subquery	a	a	5	func	2	Using index

2	DEPENDENT SUBQUERY	t1	index_subquery	a	a	5	func	2	Using index; Full scan on NULL key

SELECT a, a IN (SELECT a FROM t1) FROM t2;

a	a IN (SELECT a FROM t1)

1	1
@@ -3046,6 +3046,80 @@ id select_type table type possible_keys key key_len ref rows Extra 
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	

2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE

DROP TABLE t1;

CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (2), (4), (1), (3);

CREATE TABLE t2 (b int, c int);

INSERT INTO t2 VALUES

(2,1), (1,3), (2,1), (4,4), (2,2), (1,4);

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2 );

a

2

4

1

3

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1);

ERROR 21000: Subquery returns more than 1 row

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2), a;

a

1

2

3

4

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1), a;

ERROR 21000: Subquery returns more than 1 row

SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 2);

b	MAX(c)

1	4

2	2

4	4

SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 1);

ERROR 21000: Subquery returns more than 1 row

SELECT a FROM t1 GROUP BY a

HAVING IFNULL((SELECT b FROM t2 WHERE b > 2),

(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;

a

1

2

3

4

SELECT a FROM t1 GROUP BY a

HAVING IFNULL((SELECT b FROM t2 WHERE b > 1),

(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;

ERROR 21000: Subquery returns more than 1 row

SELECT a FROM t1 GROUP BY a

HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),

(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;

a

4

SELECT a FROM t1 GROUP BY a

HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),

(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b)) > 3;

ERROR 21000: Subquery returns more than 1 row

SELECT a FROM t1

ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),

(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));

a

2

4

1

3

SELECT a FROM t1

ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),

(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));

ERROR 21000: Subquery returns more than 1 row

SELECT a FROM t1

ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),

(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));

a

2

1

3

4

SELECT a FROM t1

ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),

(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));

ERROR 21000: Subquery returns more than 1 row

DROP TABLE t1,t2;

create table t1 (df decimal(5,1));

insert into t1 values(1.1);

insert into t1 values(2.2);
@@ -3605,6 +3679,39 @@ FROM t1) t; 
COUNT(*)

3000

DROP TABLE t1,t2;

CREATE TABLE t1 (id char(4) PRIMARY KEY, c int);

CREATE TABLE t2 (c int);

INSERT INTO t1 VALUES ('aa', 1);

INSERT INTO t2 VALUES (1);

SELECT * FROM t1

WHERE EXISTS (SELECT c FROM t2 WHERE c=1

UNION

SELECT c from t2 WHERE c=t1.c);

id	c

aa	1

INSERT INTO t1 VALUES ('bb', 2), ('cc', 3), ('dd',1);

SELECT * FROM t1

WHERE EXISTS (SELECT c FROM t2 WHERE c=1

UNION

SELECT c from t2 WHERE c=t1.c);

id	c

aa	1

bb	2

cc	3

dd	1

INSERT INTO t2 VALUES (2);

CREATE TABLE t3 (c int);

INSERT INTO t3 VALUES (1);

SELECT * FROM t1

WHERE EXISTS (SELECT t2.c FROM t2 JOIN t3 ON t2.c=t3.c WHERE t2.c=1

UNION

SELECT c from t2 WHERE c=t1.c);

id	c

aa	1

bb	2

cc	3

dd	1

DROP TABLE t1,t2,t3;

DROP TABLE IF EXISTS t1;

DROP TABLE IF EXISTS t2;

DROP TABLE IF EXISTS t1xt2;

mysql-test/r/view.result

+121 −9
Original line number Diff line number Diff line
@@ -834,14 +834,14 @@ show create view v1; 
View	Create View

v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 99999999999999999999999999999999999999999999999999999 AS `col1`

drop view v1;

create table t (c char);

create view v as select c from t;

insert into v values ('');

select * from v;

c



drop view v;

drop table t;

create table t (c char);

create view v as select c from t;

insert into v values ('');

select * from v;

c



drop view v;

drop table t;

create table t1 (a int, b int);

insert into t1 values (1,2), (1,3), (2,4), (2,5), (3,10);

create view v1(c) as select a+1 from t1 where b >= 4;
@@ -2543,7 +2543,7 @@ create table t1(f1 int, f2 int); 
create view v1 as select ta.f1 as a, tb.f1 as b from t1 ta, t1 tb where ta.f1=tb

.f1 and ta.f2=tb.f2;

insert into t1 values(1,1),(2,2);

create view v2 as select * from v1 where a > 1 with check option;

create view v2 as select * from v1 where a > 1 with local check option;

select * from v2;

a	b

2	2
@@ -3014,6 +3014,17 @@ i j 
6	3

DROP VIEW v1, v2;

DROP TABLE t1;

CREATE VIEW v AS SELECT !0 * 5 AS x FROM DUAL;

SHOW CREATE VIEW v;

View	Create View

v	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` AS select ((not(0)) * 5) AS `x`

SELECT !0 * 5 AS x FROM DUAL;

x

5

SELECT * FROM v;

x

5

DROP VIEW v;

DROP VIEW IF EXISTS v1;

CREATE VIEW v1 AS SELECT 'The\ZEnd';

SELECT * FROM v1;
@@ -3023,6 +3034,107 @@ SHOW CREATE VIEW v1; 
View	Create View

v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select _latin1'The\ZEnd' AS `TheEnd`

DROP VIEW v1;

CREATE TABLE t1 (mydate DATETIME);

INSERT INTO t1 VALUES

('2007-01-01'), ('2007-01-02'), ('2007-01-30'), ('2007-01-31');

CREATE VIEW v1 AS SELECT mydate from t1;

SELECT * FROM t1 WHERE mydate BETWEEN '2007-01-01' AND '2007-01-31';

mydate

2007-01-01 00:00:00

2007-01-02 00:00:00

2007-01-30 00:00:00

2007-01-31 00:00:00

SELECT * FROM v1 WHERE mydate BETWEEN '2007-01-01' AND '2007-01-31';

mydate

2007-01-01 00:00:00

2007-01-02 00:00:00

2007-01-30 00:00:00

2007-01-31 00:00:00

DROP VIEW v1;

DROP TABLE t1;

CREATE TABLE t1 (a int);

CREATE TABLE t2 (b int);

INSERT INTO t1 VALUES (1), (2);

INSERT INTO t2 VALUES (1), (2);

CREATE VIEW v1 AS

SELECT t2.b FROM t1,t2 WHERE t1.a = t2.b WITH CHECK OPTION;

SELECT * FROM v1;

b

1

2

UPDATE v1 SET b=3;

ERROR HY000: CHECK OPTION failed 'test.v1'

SELECT * FROM v1;

b

1

2

SELECT * FROM t1;

a

1

2

SELECT * FROM t2;

b

1

2

DROP VIEW v1;

DROP TABLE t1,t2;

create table t1(f1 int, f2 int);

insert into t1 values(1,2),(1,3),(1,1),(2,3),(2,1),(2,2);

select * from t1;

f1	f2

1	2

1	3

1	1

2	3

2	1

2	2

create view v1 as select * from t1 order by f2;

select * from v1;

f1	f2

1	1

2	1

1	2

2	2

1	3

2	3

explain extended select * from v1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	6	Using filesort

Warnings:

Note	1003	select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2` from `test`.`t1` order by `test`.`t1`.`f2`

select * from v1 order by f1;

f1	f2

1	1

1	2

1	3

2	1

2	2

2	3

explain extended select * from v1 order by f1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	6	Using filesort

Warnings:

Note	1003	select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2` from `test`.`t1` order by `test`.`t1`.`f1`,`test`.`t1`.`f2`

drop view v1;

drop table t1;

CREATE TABLE t1 (

id int(11) NOT NULL PRIMARY KEY,

country varchar(32),

code int(11) default NULL

);

INSERT INTO t1 VALUES

(1,'ITALY',100),(2,'ITALY',200),(3,'FRANCE',100), (4,'ITALY',100);

CREATE VIEW v1 AS SELECT * FROM t1;

SELECT code, COUNT(DISTINCT country) FROM t1 GROUP BY code ORDER BY MAX(id);

code	COUNT(DISTINCT country)

200	1

100	2

SELECT code, COUNT(DISTINCT country) FROM v1 GROUP BY code ORDER BY MAX(id);

code	COUNT(DISTINCT country)

200	1

100	2

DROP VIEW v1;

DROP TABLE t1;

DROP VIEW IF EXISTS v1;

SELECT * FROM (SELECT 1) AS t;

1

mysql-test/t/subselect.test

+93 −0
Original line number Diff line number Diff line
@@ -2000,6 +2000,65 @@ SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) IS NULL; 
EXPLAIN SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) IS NULL;



DROP TABLE t1;



#

# Bug 24653: sorting by expressions containing subselects

#            that return more than one row

#



CREATE TABLE t1 (a int);

INSERT INTO t1 VALUES (2), (4), (1), (3);



CREATE TABLE t2 (b int, c int);

INSERT INTO t2 VALUES

  (2,1), (1,3), (2,1), (4,4), (2,2), (1,4);



SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2 );

--error 1242

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1);

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2), a;

--error 1242

SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1), a;



SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 2);

--error 1242

SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 1);





SELECT a FROM t1 GROUP BY a

  HAVING IFNULL((SELECT b FROM t2 WHERE b > 2),

                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;

--error 1242

SELECT a FROM t1 GROUP BY a

  HAVING IFNULL((SELECT b FROM t2 WHERE b > 1),

                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;



SELECT a FROM t1 GROUP BY a

  HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),

                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;

--error 1242

SELECT a FROM t1 GROUP BY a

  HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),

                (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b)) > 3;



SELECT a FROM t1

  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),

                  (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));

--error 1242

SELECT a FROM t1

  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),

                  (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));



SELECT a FROM t1

  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),

                  (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));

--error 1242

SELECT a FROM t1

  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),

                  (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));



DROP TABLE t1,t2;



# End of 4.1 tests



#
@@ -2509,6 +2568,40 @@ SELECT SQL_NO_CACHE COUNT(*) 


DROP TABLE t1,t2;



#

# Bug #25219: EXIST subquery with UNION over a mix of

#             correlated and uncorrelated selects

#



CREATE TABLE t1 (id char(4) PRIMARY KEY, c int);

CREATE TABLE t2 (c int);



INSERT INTO t1 VALUES ('aa', 1);

INSERT INTO t2 VALUES (1);



SELECT * FROM t1

  WHERE EXISTS (SELECT c FROM t2 WHERE c=1

                UNION

                SELECT c from t2 WHERE c=t1.c);



INSERT INTO t1 VALUES ('bb', 2), ('cc', 3), ('dd',1);



SELECT * FROM t1

  WHERE EXISTS (SELECT c FROM t2 WHERE c=1

                UNION

                SELECT c from t2 WHERE c=t1.c);



INSERT INTO t2 VALUES (2);

CREATE TABLE t3 (c int);

INSERT INTO t3 VALUES (1);



SELECT * FROM t1

  WHERE EXISTS (SELECT t2.c FROM t2 JOIN t3 ON t2.c=t3.c WHERE t2.c=1

                UNION

                SELECT c from t2 WHERE c=t1.c);



DROP TABLE t1,t2,t3;



#

# Bug#21904 (parser problem when using IN with a double "(())")

#

mysql-test/t/view.test

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