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ALTER DATABASE test CHARACTER SET latin1 COLLATE latin1_swedish_ci;
SET optimizer_switch='outer_join_with_cache=off';
create view v1 (c,d) as select a,b from t1;
ERROR 42S02: Table 'test.t1' doesn't exist
create temporary table t1 (a int, b int);
create view v1 (c) as select b+1 from t1;
ERROR HY000: View's SELECT refers to a temporary table 't1'
drop table t1;
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,d) as select a,b+@@global.max_user_connections from t1;
ERROR HY000: View's SELECT contains a variable or parameter
create view v1 (c,d) as select a,b from t1
where a = @@global.max_user_connections;
ERROR HY000: View's SELECT contains a variable or parameter
create view v1 (c) as select b+1 from t1;
select c from v1;
c
3
4
5
6
11
select is_updatable from information_schema.views where table_name='v1';
is_updatable
NO
create temporary table t1 (a int, b int);
select * from t1;
a	b
select c from v1;
c
3
4
5
6
11
show create table v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`b` + 1 AS `c` from `t1`	latin1	latin1_swedish_ci
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`b` + 1 AS `c` from `t1`	latin1	latin1_swedish_ci
show create view t1;
ERROR HY000: 'test.t1' is not of type 'VIEW'
drop table t1;
select a from v1;
ERROR 42S22: Unknown column 'a' in 'SELECT'
select v1.a from v1;
ERROR 42S22: Unknown column 'v1.a' in 'SELECT'
select b from v1;
ERROR 42S22: Unknown column 'b' in 'SELECT'
select v1.b from v1;
ERROR 42S22: Unknown column 'v1.b' in 'SELECT'
explain extended select c from v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	
Warnings:
Note	1003	select `test`.`t1`.`b` + 1 AS `c` from `test`.`t1`
create algorithm=temptable view v2 (c) as select b+1 from t1;
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`b` + 1 AS `c` from `t1`	latin1	latin1_swedish_ci
select c from v2;
c
3
4
5
6
11
explain extended select c from v2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	
Warnings:
Note	1003	/* select#1 */ select `v2`.`c` AS `c` from `test`.`v2`
create view v3 (c) as select a+1 from v1;
ERROR 42S22: Unknown column 'a' in 'SELECT'
create view v3 (c) as select b+1 from v1;
ERROR 42S22: Unknown column 'b' in 'SELECT'
create view v3 (c) as select c+1 from v1;
select c from v3;
c
4
5
6
7
12
explain extended select c from v3;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	
Warnings:
Note	1003	select `test`.`t1`.`b` + 1 + 1 AS `c` from `test`.`t1`
create algorithm=temptable view v4 (c) as select c+1 from v2;
select c from v4;
c
4
5
6
7
12
explain extended select c from v4;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	
2	DERIVED	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	
3	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	
Warnings:
Note	1003	/* select#1 */ select `v4`.`c` AS `c` from `test`.`v4`
create view v5 (c) as select c+1 from v2;
select c from v5;
c
4
5
6
7
12
explain extended select c from v5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	
3	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	
Warnings:
Note	1003	/* select#1 */ select `v2`.`c` + 1 AS `c` from `test`.`v2`
create algorithm=temptable view v6 (c) as select c+1 from v1;
select c from v6;
c
4
5
6
7
12
explain extended select c from v6;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	
Warnings:
Note	1003	/* select#1 */ select `v6`.`c` AS `c` from `test`.`v6`
show tables;
Tables_in_test
t1
v1
v2
v3
v4
v5
v6
show full tables;
Tables_in_test	Table_type
t1	BASE TABLE
v1	VIEW
v2	VIEW
v3	VIEW
v4	VIEW
v5	VIEW
v6	VIEW
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
t1	MyISAM	10	Fixed	5	9	45	#	1024	0	NULL	#	#	#	latin1_swedish_ci	NULL			#	N
v1	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	#	NULL	NULL	NULL	VIEW	#	NULL
v2	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	#	NULL	NULL	NULL	VIEW	#	NULL
v3	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	#	NULL	NULL	NULL	VIEW	#	NULL
v4	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	#	NULL	NULL	NULL	VIEW	#	NULL
v5	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	#	NULL	NULL	NULL	VIEW	#	NULL
v6	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	#	NULL	NULL	NULL	VIEW	#	NULL
drop view v1,v2,v3,v4,v5,v6;
create view v1 (c,d,e,f) as select a,b,
a in (select a+2 from t1), a = all (select a from t1) from t1;
create view v2 as select c, d from v1;
select * from v1;
c	d	e	f
1	2	0	0
1	3	0	0
2	4	0	0
2	5	0	0
3	10	1	0
select * from v2;
c	d
1	2
1	3
2	4
2	5
3	10
create view v1 (c,d,e,f) as select a,b, a in (select a+2 from t1), a = all (select a from t1) from t1;
ERROR 42S01: Table 'v1' already exists
create or replace view v1 (c,d,e,f) as select a,b, a in (select a+2 from t1), a = all (select a from t1) from t1;
drop view v2;
alter view v2 as select c, d from v1;
ERROR 42S02: Table 'test.v2' doesn't exist
create or replace view v2 as select c, d from v1;
alter view v1 (c,d) as select a,max(b) from t1 group by a;
select * from v1;
c	d
1	3
2	5
3	10
select * from v2;
c	d
1	3
2	5
3	10
drop view v100;
ERROR 42S02: Unknown VIEW: 'test.v100'
drop view t1;
ERROR 42S02: Unknown VIEW: 'test.t1'
drop table v1;
ERROR 42S02: 'test.v1' is a view
drop view v1,v2;
drop table t1;
create table t1 (a int);
insert into t1 values (1), (2), (3);
create view v1 (a) as select a+1 from t1;
create view v2 (a) as select a-1 from t1;
select * from t1 natural left join v1;
a
1
2
3
select * from v2 natural left join t1;
a
0
1
2
select * from v2 natural left join v1;
a
0
1
2
drop view v1, v2;
drop table t1;
create table t1 (a int);
insert into t1 values (1), (2), (3), (1), (2), (3);
create view v1 as select distinct a from t1;
select * from v1;
a
1
2
3
explain select * from v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	6	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	6	Using temporary
select * from t1;
a
1
2
3
1
2
3
drop view v1;
drop table t1;
create table t1 (a int);
create view v1 as select distinct a from t1 WITH CHECK OPTION;
ERROR HY000: CHECK OPTION on non-updatable view `test`.`v1`
create view v1 as select a from t1 WITH CHECK OPTION;
create view v2 as select a from t1 WITH CASCADED CHECK OPTION;
create view v3 as select a from t1 WITH LOCAL CHECK OPTION;
drop view v3 RESTRICT;
drop view v2 CASCADE;
drop view v1;
drop table t1;
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 b+1 from t1;
select test.c from v1 test;
c
3
4
5
6
11
create algorithm=temptable view v2 (c) as select b+1 from t1;
select test.c from v2 test;
c
3
4
5
6
11
select test1.* from v1 test1, v2 test2 where test1.c=test2.c;
c
3
4
5
6
11
select test2.* from v1 test1, v2 test2 where test1.c=test2.c;
c
3
4
5
6
11
drop table t1;
drop view v1,v2;
create table t1 (a int);
insert into t1 values (1), (2), (3), (4);
create view v1 as select a+1 from t1 order by 1 desc limit 2;
select * from v1;
a+1
5
4
explain select * from v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	4	Using filesort
drop view v1;
drop table t1;
create table t1 (a int);
insert into t1 values (1), (2), (3), (4);
create view v1 as select a+1 from t1;
create table t2 select * from v1;
show columns from t2;
Field	Type	Null	Key	Default	Extra
a+1	bigint(12)	YES		NULL	
select * from t2;
a+1
2
3
4
5
drop view v1;
drop table t1,t2;
create table t1 (a int, b int, primary key(a));
insert into t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
select is_updatable from information_schema.views where table_name='v2';
is_updatable
NO
select is_updatable from information_schema.views where table_name='v1';
is_updatable
YES
update v1 set c=a+c;
ERROR HY000: Column 'c' is not updatable
update v2 set a=a+c;
ERROR HY000: The target table v2 of the UPDATE is not updatable
update v1 set a=a+c;
select * from v1;
a	c
13	3
24	4
35	5
46	6
61	11
select * from t1;
a	b
13	2
24	3
35	4
46	5
61	10
drop table t1;
drop view v1,v2;
create table t1 (a int, b int, primary key(a));
insert into t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create table t2 (x int);
insert into t2 values (10), (20);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
update t2,v1 set v1.c=v1.a+v1.c where t2.x=v1.a;
ERROR HY000: Column 'c' is not updatable
update t2,v2 set v2.a=v2.v2.a+c where t2.x=v2.a;
ERROR HY000: The target table v2 of the UPDATE is not updatable
update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.a;
select * from v1;
a	c
13	3
24	4
30	5
40	6
50	11
select * from t1;
a	b
13	2
24	3
30	4
40	5
50	10
drop table t1,t2;
drop view v1,v2;
create table t1 (a int, b int, primary key(b));
insert into t1 values (1,20), (2,30), (3,40), (4,50), (5,100);
create view v1 (c) as select b from t1 where a<3;
select * from v1;
c
20
30
explain extended select * from v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	5	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`b` AS `c` from `test`.`t1` where `test`.`t1`.`a` < 3
update v1 set c=c+1;
select * from t1;
a	b
1	21
2	31
3	40
4	50
5	100
create view v2 (c) as select b from t1 where a>=3;
select * from v1, v2;
c	c
21	40
31	40
21	50
31	50
21	100
31	100
drop view v1, v2;
drop table t1;
create table t1 (a int, b int, primary key(a));
insert into t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
delete from v2 where c < 4;
ERROR HY000: The target table v2 of the DELETE is not updatable
delete from v1 where c < 4;
select * from v1;
a	c
2	4
3	5
4	6
5	11
select * from t1;
a	b
2	3
3	4
4	5
5	10
drop table t1;
drop view v1,v2;
create table t1 (a int, b int, primary key(a));
insert into t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create table t2 (x int);
insert into t2 values (1), (2), (3), (4);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
delete v2 from t2,v2 where t2.x=v2.a;
ERROR HY000: The target table v2 of the DELETE is not updatable
delete v1 from t2,v1 where t2.x=v1.a;
select * from v1;
a	c
5	11
select * from t1;
a	b
5	10
drop table t1,t2;
drop view v1,v2;
create table t1 (a int, b int, c int, primary key(a,b));
insert into t1 values (10,2,-1), (20,3,-2), (30,4,-3), (40,5,-4), (50,10,-5);
create view v1 (x,y) as select a, b from t1;
create view v2 (x,y) as select a, c from t1;
set updatable_views_with_limit=NO;
update v1 set x=x+1;
update v2 set x=x+1;
update v1 set x=x+1 limit 1;
update v2 set x=x+1 limit 1;
ERROR HY000: The target table v2 of the UPDATE is not updatable
set updatable_views_with_limit=YES;
update v1 set x=x+1 limit 1;
update v2 set x=x+1 limit 1;
Warnings:
Note	1355	View being updated does not have complete key of underlying table in it
set updatable_views_with_limit=DEFAULT;
show variables like "updatable_views_with_limit";
Variable_name	Value
updatable_views_with_limit	YES
select * from t1;
a	b	c
15	2	-1
22	3	-2
32	4	-3
42	5	-4
52	10	-5
drop table t1;
drop view v1,v2;
create table t1 (a int, b int, c int, primary key(a,b));
insert into t1 values (10,2,-1), (20,3,-2);
create view v1 (x,y,z) as select c, b, a from t1;
create view v2 (x,y) as select b, a from t1;
create view v3 (x,y,z) as select b, a, b from t1;
create view v4 (x,y,z) as select c+1, b, a from t1;
create algorithm=temptable view v5 (x,y,z) as select c, b, a from t1;
insert into v3 values (-60,4,30);
ERROR HY000: The target table v3 of the INSERT is not insertable-into
insert into v4 values (-60,4,30);
ERROR HY000: The target table v4 of the INSERT is not insertable-into
insert into v5 values (-60,4,30);
ERROR HY000: The target table v5 of the INSERT is not insertable-into
insert into v1 values (-60,4,30);
insert into v1 (z,y,x) values (50,6,-100);
insert into v2 values (5,40);
select * from t1;
a	b	c
10	2	-1
20	3	-2
30	4	-60
50	6	-100
40	5	NULL
drop table t1;
drop view v1,v2,v3,v4,v5;
create table t1 (a int, b int, c int, primary key(a,b));
insert into t1 values (10,2,-1), (20,3,-2);
create table t2 (a int, b int, c int, primary key(a,b));
insert into t2 values (30,4,-60);
create view v1 (x,y,z) as select c, b, a from t1;
create view v2 (x,y) as select b, a from t1;
create view v3 (x,y,z) as select b, a, b from t1;
create view v4 (x,y,z) as select c+1, b, a from t1;
create algorithm=temptable view v5 (x,y,z) as select c, b, a from t1;
insert into v3 select c, b, a from t2;
ERROR HY000: The target table v3 of the INSERT is not insertable-into
insert into v4 select c, b, a from t2;
ERROR HY000: The target table v4 of the INSERT is not insertable-into
insert into v5 select c, b, a from t2;
ERROR HY000: The target table v5 of the INSERT is not insertable-into
insert into v1 select c, b, a from t2;
insert into v1 (z,y,x) select a+20,b+2,-100 from t2;
insert into v2 select b+1, a+10 from t2;
select * from t1;
a	b	c
10	2	-1
20	3	-2
30	4	-60
50	6	-100
40	5	NULL
drop table t1, t2;
drop view v1,v2,v3,v4,v5;
create table t1 (a int, primary key(a));
insert into t1 values (1), (2), (3);
create view v1 (x) as select a from t1 where a > 1;
select t1.a, v1.x from t1 left join v1 on (t1.a= v1.x);
a	x
1	NULL
2	2
3	3
drop table t1;
drop view v1;
create table t1 (a int, primary key(a));
insert into t1 values (1), (2), (3), (200);
create view v1 (x) as select a from t1 where a > 1;
create view v2 (y) as select x from v1 where x < 100;
select * from v2;
y
2
3
drop table t1;
drop view v1,v2;
create table t1 (a int, primary key(a));
insert into t1 values (1), (2), (3), (200);
create ALGORITHM=TEMPTABLE view v1 (x) as select a from t1;
create view v2 (y) as select x from v1;
update v2 set y=10 where y=2;
ERROR HY000: The target table v2 of the UPDATE is not updatable
drop table t1;
drop view v1,v2;
create table t1 (a int not null auto_increment, b int not null, primary key(a), unique(b));
create view v1 (x) as select b from t1;
insert into v1 values (1);
select last_insert_id();
last_insert_id()
0
insert into t1 (b) values (2);
select last_insert_id();
last_insert_id()
2
select * from t1;
a	b
1	1
2	2
drop view v1;
drop table t1;
set sql_mode='ansi';
create table t1 ("a*b" int);
create view v1 as select "a*b" from t1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE VIEW "v1" AS select "t1"."a*b" AS "a*b" from "t1"	latin1	latin1_swedish_ci
drop view v1;
drop table t1;
set sql_mode=default;
create table t1 (t_column int);
create view v1 as select 'a';
select * from v1, t1;
a	t_column
drop view v1;
drop table t1;
create table `t1a``b` (col1 char(2));
create view v1 as select * from `t1a``b`;
select * from v1;
col1
describe v1;
Field	Type	Null	Key	Default	Extra
col1	char(2)	YES		NULL	
drop view v1;
drop table `t1a``b`;
create table t1 (col1 char(5),col2 char(5));
create view v1 as select * from t1;
drop table t1;
create table t1 (col1 char(5),newcol2 char(5));
insert into v1 values('a','aa');
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop table t1;
select * from v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop view v1;
create view v1 (a,a) as select 'a','a';
ERROR 42S21: Duplicate column name 'a'
create table t1 (col1 int,col2 char(22));
insert into t1 values(5,'Hello, world of views');
create view v1 as select * from t1;
create view v2 as select * from v1;
update v2 set col2='Hello, view world';
select is_updatable from information_schema.views where table_schema <> 'sys';
is_updatable
YES
YES
YES
select * from t1;
col1	col2
5	Hello, view world
drop view v2, v1;
drop table t1;
create table t1 (a int, b int);
create view v1 as select a, sum(b) from t1 group by a;
select b from v1 use index (some_index) where b=1;
ERROR 42000: Key 'some_index' doesn't exist in table 'v1'
drop view v1;
drop table t1;
create table t1 (col1 char(5),col2 char(5));
create view v1 (col1,col2) as select col1,col2 from t1;
insert into v1 values('s1','p1'),('s1','p2'),('s1','p3'),('s1','p4'),('s2','p1'),('s3','p2'),('s4','p4');
select distinct first.col2 from t1 first where first.col2 in (select second.col2 from t1 second where second.col1<>first.col1);
col2
p1
p2
p4
select distinct first.col2 from v1 first where first.col2 in (select second.col2 from t1 second where second.col1<>first.col1);
col2
p1
p2
p4
drop view v1;
drop table t1;
create table t1 (a int);
create view v1 as select a from t1;
insert into t1 values (1);
SET @v0 = '2';
PREPARE stmt FROM 'UPDATE v1 SET a = ?';
EXECUTE stmt USING @v0;
DEALLOCATE PREPARE stmt;
SET @v0 = '3';
PREPARE stmt FROM 'insert into v1 values (?)';
EXECUTE stmt USING @v0;
DEALLOCATE PREPARE stmt;
SET @v0 = '4';
PREPARE stmt FROM 'insert into v1 (a) values (?)';
EXECUTE stmt USING @v0;
DEALLOCATE PREPARE stmt;
select * from t1;
a
2
3
4
drop view v1;
drop table t1;
CREATE VIEW v02 AS SELECT * FROM DUAL;
ERROR HY000: No tables used
SHOW TABLES;
Tables_in_test
CREATE VIEW v1 AS SELECT EXISTS (SELECT 1 UNION SELECT 2);
select * from v1;
EXISTS (SELECT 1 UNION SELECT 2)
1
drop view v1;
create table t1 (col1 int,col2 char(22));
create view v1 as select * from t1;
create index i1 on v1 (col1);
ERROR HY000: 'test.v1' is not of type 'BASE TABLE'
drop view v1;
drop table t1;
CREATE VIEW v1 (f1,f2,f3,f4) AS SELECT connection_id(), pi(), current_user(), version();
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select connection_id() AS `f1`,pi() AS `f2`,current_user() AS `f3`,version() AS `f4`	latin1	latin1_swedish_ci
drop view v1;
create table t1 (s1 int);
create table t2 (s2 int);
insert into t1 values (1), (2);
insert into t2 values (2), (3);
create view v1 as select * from t1,t2 union all select * from t1,t2;
select * from v1;
s1	s2
1	2
2	2
1	3
2	3
1	2
2	2
1	3
2	3
drop view v1;
drop tables t1, t2;
create table t1 (col1 int);
insert into t1 values (1);
create view v1 as select count(*) from t1;
insert into t1 values (null);
select * from v1;
count(*)
2
drop view v1;
drop table t1;
create table t1 (a int);
create table t2 (a int);
create view v1 as select a from t1;
create view v2 as select a from t2 where a in (select a from v1);
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`a` AS `a` from `t2` where `t2`.`a` in (select `v1`.`a` from `v1`)	latin1	latin1_swedish_ci
drop view v2, v1;
drop table t1, t2;
CREATE VIEW `v 1` AS select 5 AS `5`;
show create view `v 1`;
View	Create View	character_set_client	collation_connection
v 1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v 1` AS select 5 AS `5`	latin1	latin1_swedish_ci
drop view `v 1`;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create view mysqltest.v1 as select a from mysqltest.t1;
alter view mysqltest.v1 as select b from mysqltest.t1;
alter view mysqltest.v1 as select a from mysqltest.t1;
drop database mysqltest;
CREATE TABLE t1 (c1 int not null auto_increment primary key, c2 varchar(20), fulltext(c2));
insert into t1 (c2) VALUES ('real Beer'),('Water'),('Kossu'),('Coca-Cola'),('Vodka'),('Wine'),('almost real Beer');
select * from t1 WHERE match (c2) against ('Beer');
c1	c2
1	real Beer
7	almost real Beer
CREATE VIEW v1 AS SELECT  * from t1 WHERE match (c2) against ('Beer');
select * from v1;
c1	c2
1	real Beer
7	almost real Beer
drop view v1;
drop table t1;
create table t1 (a int);
insert into t1 values (1),(1),(2),(2),(3),(3);
create view v1 as select a from t1;
select distinct a from v1;
a
1
2
3
select distinct a from v1 limit 2;
a
1
2
select distinct a from t1 limit 2;
a
1
2
prepare stmt1 from "select distinct a from v1 limit 2";
execute stmt1;
a
1
2
execute stmt1;
a
1
2
deallocate prepare stmt1;
drop view v1;
drop table t1;
create table t1 (tg_column bigint);
create view v1 as select count(tg_column) as vg_column from t1;
select avg(vg_column) from v1;
avg(vg_column)
0.0000
drop view v1;
drop table t1;
create table t1 (col1 bigint not null, primary key (col1));
create table t2 (col1 bigint not null, key (col1));
create view v1 as select * from t1;
create view v2 as select * from t2;
insert into v1 values (1);
insert into v2 values (1);
create view v3 (a,b) as select v1.col1 as a, v2.col1 as b from v1, v2 where v1.col1 = v2.col1;
select * from v3;
a	b
1	1
show create view v3;
View	Create View	character_set_client	collation_connection
v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `v1`.`col1` AS `a`,`v2`.`col1` AS `b` from (`v1` join `v2`) where `v1`.`col1` = `v2`.`col1`	latin1	latin1_swedish_ci
drop view v3, v2, v1;
drop table t2, t1;
create function `f``1` () returns int return 5;
create view v1 as select test.`f``1` ();
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`f``1`() AS `test.``f````1`` ()`	latin1	latin1_swedish_ci
select * from v1;
test.`f``1` ()
5
drop view v1;
drop function `f``1`;
create function a() returns int return 5;
create view v1 as select a();
select * from v1;
a()
5
drop view v1;
drop function a;
create table t2 (col1 char collate latin1_german2_ci);
create view v2 as select col1 collate latin1_german1_ci from t2;
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`col1` collate latin1_german1_ci AS `col1 collate latin1_german1_ci` from `t2`	latin1	latin1_swedish_ci
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`col1` collate latin1_german1_ci AS `col1 collate latin1_german1_ci` from `t2`	latin1	latin1_swedish_ci
drop view v2;
drop table t2;
create table t1 (a int);
insert into t1 values (1), (2);
create view v1 as select 5 from t1 order by 1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 5 AS `5` from `t1` order by 1	latin1	latin1_swedish_ci
select * from v1;
5
5
5
drop view v1;
drop table t1;
create function x1 () returns int return 5;
create table t1 (s1 int);
create view v1 as select x1() from t1;
drop function x1;
select * from v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
t1	MyISAM	10	Fixed	0	0	0	#	1024	0	NULL	#	#	NULL	latin1_swedish_ci	NULL			#	N
v1	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	NULL	NULL	NULL	NULL	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them	#	NULL
Warnings:
Warning	1356	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop view v1;
drop table t1;
create table t1 (a varchar(20));
create view v1 as select a from t1;
alter table t1 change a aa int;
select * from v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
t1	MyISAM	10	Fixed	0	0	0	#	1024	0	NULL	#	#	NULL	latin1_swedish_ci	NULL			#	N
v1	NULL	NULL	NULL	NULL	NULL	NULL	#	NULL	NULL	NULL	#	#	NULL	NULL	NULL	NULL	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them	#	NULL
Warnings:
Warning	1356	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`a` AS `a` from `t1`	latin1	latin1_swedish_ci
Warnings:
Warning	1356	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop view v1;
drop table t1;
create view v1 as select 99999999999999999999999999999999999999999999999999999 as col1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 99999999999999999999999999999999999999999999999999999 AS `col1`	latin1	latin1_swedish_ci
drop view v1;
SET @old_cs_client = @@character_set_client;
SET @old_cs_results = @@character_set_results;
SET @old_cs_connection = @@character_set_connection;
set names utf8;
create table tü (cü char);
create view vü as select cü from tü;
insert into vü values ('ü');
select * from vü;
cü
ü
drop view vü;
drop table tü;
SET character_set_client = @old_cs_client;
SET character_set_results = @old_cs_results;
SET character_set_connection = @old_cs_connection;
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;
select c from v1 where exists (select * from t1 where a=2 and b=c);
c
4
drop view v1;
drop table t1;
create view v1 as select cast(1 as char(3));
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select cast(1 as char(3) charset latin1) AS `cast(1 as char(3))`	latin1	latin1_swedish_ci
select * from v1;
cast(1 as char(3))
1
drop view v1;
create table t1 (a int);
create view v1 as select a from t1;
create view v3 as select a from t1;
create database mysqltest;
rename table v1 to mysqltest.v1;
ERROR HY000: Changing schema from 'test' to 'mysqltest' is not allowed
rename table v1 to v2;
rename table v3 to v1, v2 to t1;
ERROR 42S01: Table 't1' already exists
drop table t1;
drop view v2,v3;
drop database mysqltest;
create view v1 as select 'a',1;
create view v2 as select * from v1 union all select * from v1;
create view v3 as select * from v2 where 1 = (select `1` from v2);
create view v4 as select * from v3;
select * from v4;
ERROR 21000: Subquery returns more than 1 row
drop view v4, v3, v2, v1;
create view v1 as select 5 into @w;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'into @w' at line 1
create view v1 as select 5 into outfile 'ttt';
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'into outfile 'ttt'' at line 1
create table t1 (a int);
create view v1 as select a from t1 procedure analyse();
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'procedure analyse()' at line 1
create view v1 as select 1 from (select 1) as d1;
drop view v1;
drop table t1;
create table t1 (s1 int, primary key (s1));
create view v1 as select * from t1;
insert into v1 values (1) on duplicate key update s1 = 7;
insert into v1 values (1) on duplicate key update s1 = 7;
select * from t1;
s1
7
drop view v1;
drop table t1;
create table t1 (col1 int);
create table t2 (col1 int);
create table t3 (col1 datetime not null);
create view v1 as select * from t1;
create view v2 as select * from v1;
create view v3 as select v2.col1 from v2,t2 where v2.col1 = t2.col1;
insert into v2 values ((select max(col1) from v1));
insert into t1 values ((select max(col1) from v1));
insert into v2 values ((select max(col1) from v1));
insert into v2 values ((select max(col1) from t1));
insert into t1 values ((select max(col1) from t1));
insert into v2 values ((select max(col1) from t1));
insert into v2 values ((select max(col1) from v2));
insert into t1 values ((select max(col1) from v2));
insert into v2 values ((select max(col1) from v2));
insert into v3 (col1) values ((select max(col1) from v1));
insert into v3 (col1) values ((select max(col1) from t1));
insert into v3 (col1) values ((select max(col1) from v2));
insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from v2 LIMIT 1));
ERROR 22003: Out of range value for column 'col1' at row 3
insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from t2));
insert into t3 values ((select CONVERT_TZ('20050101000000','UTC','MET') from t2));
ERROR 23000: Column 'col1' cannot be null
create algorithm=temptable view v4 as select * from t1;
insert into t1 values (1),(2),(3);
insert into t1 (col1) values ((select max(col1) from v4));
select * from t1;
col1
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
NULL
1
2
3
3
drop view v4,v3,v2,v1;
drop table t1,t2,t3;
create table t1 (s1 int);
create view v1 as select * from t1;
handler v1 open as xx;
ERROR HY000: 'test.v1' is not of type 'BASE TABLE'
drop view v1;
drop table t1;
create table t1(a int);
insert into t1 values (0), (1), (2), (3);
create table t2 (a int);
insert into t2 select a from t1 where a > 1;
create view v1 as select a from t1 where a > 1;
select * from t1 left join (t2 as t, v1) on v1.a=t1.a;
a	a	a
0	NULL	NULL
1	NULL	NULL
2	2	2
2	3	2
3	2	3
3	3	3
select * from t1 left join (t2 as t, t2) on t2.a=t1.a;
a	a	a
0	NULL	NULL
1	NULL	NULL
2	2	2
2	3	2
3	2	3
3	3	3
drop view v1;
drop table t1, t2;
create table t1 (s1 char);
create view v1 as select s1 collate latin1_german1_ci as s1 from t1;
insert into v1 values ('a');
select * from v1;
s1
a
update v1 set s1='b';
select * from v1;
s1
b
update v1,t1 set v1.s1='c' where t1.s1=v1.s1;
select * from v1;
s1
c
prepare stmt1 from "update v1,t1 set v1.s1=? where t1.s1=v1.s1";
set @arg='d';
execute stmt1 using @arg;
select * from v1;
s1
d
set @arg='e';
execute stmt1 using @arg;
select * from v1;
s1
e
deallocate prepare stmt1;
drop view v1;
drop table t1;
create table t1 (a int);
create table t2 (a int);
create view v1 as select * from t1;
lock tables t1 read, v1 read;
select * from v1;
a
select * from t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
unlock tables;
drop view v1;
drop table t1, t2;
create table t1 (a int);
create view v1 as select * from t1 where a < 2 with check option;
insert into v1 values(1);
insert into v1 values(3);
ERROR 44000: CHECK OPTION failed `test`.`v1`
insert ignore into v1 values (2),(3),(0);
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1;
a
1
0
delete from t1;
insert into v1 SELECT 1;
insert into v1 SELECT 3;
ERROR 44000: CHECK OPTION failed `test`.`v1`
create table t2 (a int);
insert into t2 values (2),(3),(0);
insert ignore into v1 SELECT a from t2;
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1 order by a desc;
a
1
0
update v1 set a=-1 where a=0;
update v1 set a=2 where a=1;
ERROR 44000: CHECK OPTION failed `test`.`v1`
select * from t1 order by a desc;
a
1
-1
update v1 set a=0 where a=0;
insert into t2 values (1);
update v1,t2 set v1.a=v1.a-1 where v1.a=t2.a;
select * from t1 order by a desc;
a
0
-1
update v1 set a=a+1;
update ignore v1,t2 set v1.a=v1.a+1 where v1.a=t2.a;
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1;
a
1
1
drop view v1;
drop table t1, t2;
create table t1 (a int);
create view v1 as select * from t1 where a < 2 with check option;
create view v2 as select * from v1 where a > 0 with local check option;
create view v3 as select * from v1 where a > 0 with cascaded check option;
insert into v2 values (1);
insert into v3 values (1);
insert into v2 values (0);
ERROR 44000: CHECK OPTION failed `test`.`v2`
insert into v3 values (0);
ERROR 44000: CHECK OPTION failed `test`.`v3`
insert into v2 values (2);
insert into v3 values (2);
ERROR 44000: CHECK OPTION failed `test`.`v3`
select * from t1;
a
1
1
2
drop view v3,v2,v1;
drop table t1;
create table t1 (a int, primary key (a));
create view v1 as select * from t1 where a < 2 with check option;
insert into v1 values (1) on duplicate key update a=2;
insert into v1 values (1) on duplicate key update a=2;
ERROR 44000: CHECK OPTION failed `test`.`v1`
insert ignore into v1 values (1) on duplicate key update a=2;
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1;
a
1
drop view v1;
drop table t1;
create table t1 (s1 int);
create view v1 as select * from t1;
create view v2 as select * from v1;
alter view v1 as select * from v2;
ERROR 42S02: Table 'test.v1' doesn't exist
alter view v1 as select * from v1;
ERROR 42S02: Table 'test.v1' doesn't exist
create or replace view v1 as select * from v2;
ERROR 42S02: Table 'test.v1' doesn't exist
create or replace view v1 as select * from v1;
ERROR 42S02: Table 'test.v1' doesn't exist
drop view v2,v1;
drop table t1;
create table t1 (a int);
create view v1 as select * from t1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1`	latin1	latin1_swedish_ci
alter algorithm=undefined view v1 as select * from t1 with check option;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` WITH CASCADED CHECK OPTION	latin1	latin1_swedish_ci
alter algorithm=merge view v1 as select * from t1 with cascaded check option;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=MERGE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` WITH CASCADED CHECK OPTION	latin1	latin1_swedish_ci
alter algorithm=temptable view v1 as select * from t1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1`	latin1	latin1_swedish_ci
drop view v1;
drop table t1;
create table t1 (s1 int);
create table t2 (s1 int);
create view v2 as select * from t2 where s1 in (select s1 from t1);
insert into v2 values (5);
insert into t1 values (5);
select * from v2;
s1
5
update v2 set s1 = 0;
select * from v2;
s1
select * from t2;
s1
0
alter view v2 as select * from t2 where s1 in (select s1 from t1) with check option;
insert into v2 values (5);
update v2 set s1 = 1;
ERROR 44000: CHECK OPTION failed `test`.`v2`
insert into t1 values (1);
update v2 set s1 = 1;
select * from v2;
s1
1
select * from t2;
s1
0
1
prepare stmt1 from "select * from v2;";
execute stmt1;
s1
1
insert into t1 values (0);
execute stmt1;
s1
0
1
deallocate prepare stmt1;
drop view v2;
drop table t1, t2;
create table t1 (t time);
create view v1 as select substring_index(t,':',2) as t from t1;
insert into t1 (t) values ('12:24:10');
select substring_index(t,':',2) from t1;
substring_index(t,':',2)
12:24
select substring_index(t,':',2) from v1;
substring_index(t,':',2)
12:24
drop view v1;
drop table t1;
create table t1 (s1 tinyint);
create view v1 as select * from t1 where s1 <> 0 with local check option;
create view v2 as select * from v1 with cascaded check option;
insert into v2 values (0);
ERROR 44000: CHECK OPTION failed `test`.`v2`
drop view v2, v1;
drop table t1;
create table t1 (s1 int);
create view v1 as select * from t1 where s1 < 5 with check option;
insert ignore into v1 values (6);
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
SHOW WARNINGS;
Level	Code	Message
Warning	1369	CHECK OPTION failed `test`.`v1`
insert ignore into v1 values (6),(3);
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
SHOW WARNINGS;
Level	Code	Message
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1;
s1
3
drop view v1;
drop table t1;
SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
create table t1 (s1 tinyint);
create trigger t1_bi before insert on t1 for each row set new.s1 = 500;
create view v1 as select * from t1 where s1 <> 127 with check option;
insert into v1 values (0);
ERROR 44000: CHECK OPTION failed `test`.`v1`
select * from v1;
s1
select * from t1;
s1
drop trigger t1_bi;
drop view v1;
drop table t1;
SET sql_mode = default;
create table t1 (s1 tinyint);
create view v1 as select * from t1 where s1 <> 0;
create view v2 as select * from v1 where s1 <> 1 with cascaded check option;
insert into v2 values (0);
ERROR 44000: CHECK OPTION failed `test`.`v2`
select * from v2;
s1
select * from t1;
s1
drop view v2, v1;
drop table t1;
create table t1 (a int, b char(10));
create view v1 as select * from t1 where a != 0 with check option;
load data infile '../../std_data/loaddata3.dat' into table v1 fields terminated by '' enclosed by '' ignore 1 lines;
ERROR 44000: CHECK OPTION failed `test`.`v1`
select * from t1;
a	b
1	row 1
2	row 2
select * from v1;
a	b
1	row 1
2	row 2
delete from t1;
load data infile '../../std_data/loaddata3.dat' ignore into table v1 fields terminated by '' enclosed by '' ignore 1 lines;
Warnings:
Note	1265	Data truncated for column 'a' at row 1
Note	1265	Data truncated for column 'a' at row 2
Warning	1366	Incorrect integer value: 'error      ' for column `test`.`t1`.`a` at row 3
Warning	1369	CHECK OPTION failed `test`.`v1`
Note	1265	Data truncated for column 'a' at row 3
Warning	1366	Incorrect integer value: 'wrong end  ' for column `test`.`t1`.`a` at row 4
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1 order by a,b;
a	b
1	row 1
2	row 2
3	row 3
select * from v1 order by a,b;
a	b
1	row 1
2	row 2
3	row 3
drop view v1;
drop table t1;
create table t1 (a text, b text);
create view v1 as select * from t1 where a <> 'Field A' with check option;
load data infile '../../std_data/loaddata2.dat' into table v1 fields terminated by ',' enclosed by '''';
ERROR 44000: CHECK OPTION failed `test`.`v1`
select concat('|',a,'|'), concat('|',b,'|') from t1;
concat('|',a,'|')	concat('|',b,'|')
select concat('|',a,'|'), concat('|',b,'|') from v1;
concat('|',a,'|')	concat('|',b,'|')
delete from t1;
load data infile '../../std_data/loaddata2.dat' ignore into table v1 fields terminated by ',' enclosed by '''';
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
Warning	1261	Row 2 doesn't contain data for all columns
select concat('|',a,'|'), concat('|',b,'|') from t1;
concat('|',a,'|')	concat('|',b,'|')
|Field 1|	|Field 2' 
Field 3,'Field 4|
|Field 5' ,'Field 6|	NULL
|Field 6|	| 'Field 7'|
select concat('|',a,'|'), concat('|',b,'|') from v1;
concat('|',a,'|')	concat('|',b,'|')
|Field 1|	|Field 2' 
Field 3,'Field 4|
|Field 5' ,'Field 6|	NULL
|Field 6|	| 'Field 7'|
drop view v1;
drop table t1;
create table t1 (s1 smallint);
create view v1 as select * from t1 where 20 < (select (s1) from t1);
insert into v1 values (30);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
create view v2 as select * from t1;
create view v3 as select * from t1 where 20 < (select (s1) from v2);
insert into v3 values (30);
ERROR HY000: The target table v3 of the INSERT is not insertable-into
create view v4 as select * from v2 where 20 < (select (s1) from t1);
select * from t1;
s1
insert into v4 values (30);
select * from t1;
s1
30
create view v5 as select * from v2 where s1 < (select min(s1) from t1) WITH CHECK OPTION;
# can't insert only less then minimum
insert into v5 values (40);
ERROR 44000: CHECK OPTION failed `test`.`v5`
# allow insert the new minimum
insert into v5 values (10);
# always emply view (can't be something less than minimum)
select * from v5;
s1
select * from t1;
s1
30
10
drop view v5, v4, v3, v2, v1;
drop table t1;
create table t1 (a int);
create view v1 as select * from t1;
check table t1,v1;
Table	Op	Msg_type	Msg_text
test.t1	check	status	OK
test.v1	check	status	OK
check table v1,t1;
Table	Op	Msg_type	Msg_text
test.v1	check	status	OK
test.t1	check	status	OK
drop table t1;
check table v1;
Table	Op	Msg_type	Msg_text
test.v1	check	Error	Table 'test.t1' doesn't exist
test.v1	check	Error	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v1	check	error	Corrupt
drop view v1;
create table t1 (a int);
create table t2 (a int);
create table t3 (a int);
insert into t1 values (1), (2), (3);
insert into t2 values (1), (3);
insert into t3 values (1), (2), (4);
create view v3 (a,b) as select t1.a as a, t2.a as b from t1 left join t2 on (t1.a=t2.a);
select * from t3 left join v3 on (t3.a = v3.a);
a	a	b
1	1	1
2	2	NULL
4	NULL	NULL
explain extended select * from t3 left join v3 on (t3.a = v3.a);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join `test`.`t2` on(`test`.`t2`.`a` = `test`.`t3`.`a`)) on(`test`.`t1`.`a` = `test`.`t3`.`a`) where 1
create view v1 (a) as select a from t1;
create view v2 (a) as select a from t2;
create view v4 (a,b) as select v1.a as a, v2.a as b from v1 left join v2 on (v1.a=v2.a);
select * from t3 left join v4 on (t3.a = v4.a);
a	a	b
1	1	1
2	2	NULL
4	NULL	NULL
explain extended select * from t3 left join v4 on (t3.a = v4.a);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	3	100.00	
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join (`test`.`t2`) on(`test`.`t2`.`a` = `test`.`t3`.`a`)) on(`test`.`t1`.`a` = `test`.`t3`.`a`) where 1
prepare stmt1 from "select * from t3 left join v4 on (t3.a = v4.a);";
execute stmt1;
a	a	b
1	1	1
2	2	NULL
4	NULL	NULL
execute stmt1;
a	a	b
1	1	1
2	2	NULL
4	NULL	NULL
deallocate prepare stmt1;
drop view v4,v3,v2,v1;
drop tables t1,t2,t3;
create table t1 (a int, primary key (a), b int);
create table t2 (a int, primary key (a));
insert into t1 values (1,100), (2,200);
insert into t2 values (1), (3);
create view v3 (a,b) as select t1.a as a, t2.a as b from t1, t2;
update v3 set a= 10 where a=1;
select * from t1;
a	b
10	100
2	200
select * from t2;
a
1
3
create view v2 (a,b) as select t1.b as a, t2.a as b from t1, t2;
set updatable_views_with_limit=NO;
update v2 set a= 10 where a=200 limit 1;
ERROR HY000: The target table v2 of the UPDATE is not updatable
set updatable_views_with_limit=DEFAULT;
select * from v3;
a	b
2	1
10	1
2	3
10	3
select * from v2;
a	b
100	1
200	1
100	3
200	3
set @a= 10;
set @b= 100;
prepare stmt1 from "update v3 set a= ? where a=?";
execute stmt1 using @a,@b;
select * from v3;
a	b
2	1
10	1
2	3
10	3
set @a= 300;
set @b= 10;
execute stmt1 using @a,@b;
select * from v3;
a	b
2	1
300	1
2	3
300	3
deallocate prepare stmt1;
drop view v3,v2;
drop tables t1,t2;
create table t1 (a int, primary key (a), b int);
create table t2 (a int, primary key (a), b int);
insert into t2 values (1000, 2000);
create view v3 (a,b) as select t1.a as a, t2.a as b from t1, t2;
insert into v3 values (1,2);
ERROR HY000: Can not insert into join view 'test.v3' without fields list
insert into v3 select * from t2;
ERROR HY000: Can not insert into join view 'test.v3' without fields list
insert into v3(a,b) values (1,2);
ERROR HY000: Can not modify more than one base table through a join view 'test.v3'
insert into v3(a,b) select * from t2;
ERROR HY000: Can not modify more than one base table through a join view 'test.v3'
insert into v3(a) values (1);
insert into v3(b) values (10);
insert into v3(a) select a from t2;
insert into v3(b) select b from t2;
Warnings:
Warning	1048	Column 'a' cannot be null
insert into v3(a) values (1) on duplicate key update a=a+10000+VALUES(a);
select * from t1;
a	b
10002	NULL
10	NULL
1000	NULL
select * from t2;
a	b
1000	2000
10	NULL
2000	NULL
0	NULL
delete from v3;
ERROR HY000: Can not delete from join view 'test.v3'
delete v3,t1 from v3,t1;
ERROR HY000: Can not delete from join view 'test.v3'
delete t1,v3 from t1,v3;
ERROR HY000: Can not delete from join view 'test.v3'
delete from t1;
prepare stmt1 from "insert into v3(a) values (?);";
set @a= 100;
execute stmt1 using @a;
set @a= 300;
execute stmt1 using @a;
deallocate prepare stmt1;
prepare stmt1 from "insert into v3(a) select ?;";
set @a= 101;
execute stmt1 using @a;
set @a= 301;
execute stmt1 using @a;
deallocate prepare stmt1;
select * from v3;
a	b
100	0
100	10
100	1000
100	2000
101	0
101	10
101	1000
101	2000
300	0
300	10
300	1000
300	2000
301	0
301	10
301	1000
301	2000
drop view v3;
drop tables t1,t2;
create table t1(f1 int);
create view v1 as select f1 from t1;
select * from v1 where F1 = 1;
f1
drop view v1;
drop table t1;
create table t1(c1 int);
create table t2(c2 int);
insert into t1 values (1),(2),(3);
insert into t2 values (1);
SELECT c1 FROM t1 WHERE c1 IN (SELECT c2 FROM t2);
c1
1
SELECT c1 FROM t1 WHERE EXISTS (SELECT c2 FROM t2 WHERE c2 = c1);
c1
1
create view v1 as SELECT c1 FROM t1 WHERE c1 IN (SELECT c2 FROM t2);
create view v2 as SELECT c1 FROM t1 WHERE EXISTS (SELECT c2 FROM t2 WHERE c2 = c1);
select * from v1;
c1
1
select * from v2;
c1
1
select * from (select c1 from v2) X;
c1
1
drop view v2, v1;
drop table t1, t2;
CREATE TABLE t1 (C1 INT, C2 INT);
CREATE TABLE t2 (C2 INT);
CREATE VIEW v1 AS SELECT C2 FROM t2;
CREATE VIEW v2 AS SELECT C1 FROM t1 LEFT OUTER JOIN v1 USING (C2);
SELECT * FROM v2;
C1
drop view v2, v1;
drop table t1, t2;
create table t1 (col1 char(5),col2 int,col3 int);
insert into t1 values ('one',10,25), ('two',10,50), ('two',10,50), ('one',20,25), ('one',30,25);
create view v1 as select * from t1;
select col1,group_concat(col2,col3) from t1 group by col1;
col1	group_concat(col2,col3)
one	1025,2025,3025
two	1050,1050
select col1,group_concat(col2,col3) from v1 group by col1;
col1	group_concat(col2,col3)
one	1025,2025,3025
two	1050,1050
drop view v1;
drop table t1;
create table t1 (s1 int, s2 char);
create view v1 as select s1, s2 from t1;
select s2 from v1 vq1 where 2 = (select count(*) from v1 vq2 having vq1.s2 = vq2.s2);
ERROR 42S22: Unknown column 'vq2.s2' in 'HAVING'
select s2 from v1 vq1 where 2 = (select count(*) aa from v1 vq2 having vq1.s2 = aa);
s2
drop view v1;
drop table t1;
CREATE TABLE t1 (a1 int);
CREATE TABLE t2 (a2 int);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t2 VALUES (1), (2), (3);
CREATE VIEW v1(a,b) AS SELECT a1,a2 FROM t1 JOIN t2 ON a1=a2 WHERE a1>1;
SELECT * FROM v1;
a	b
2	2
3	3
CREATE TABLE t3 SELECT * FROM v1;
SELECT * FROM t3;
a	b
2	2
3	3
DROP VIEW v1;
DROP TABLE t1,t2,t3;
create table t1 (a int);
create table t2 like t1;
create table t3 like t1;
create view v1 as select t1.a x, t2.a y from t1 join t2 where t1.a=t2.a;
insert into t3 select x from v1;
insert into t2 select x from v1;
drop view v1;
drop table t1,t2,t3;
CREATE TABLE t1 (col1 int PRIMARY KEY, col2 varchar(10));
INSERT INTO t1 VALUES(1,'trudy');
INSERT INTO t1 VALUES(2,'peter');
INSERT INTO t1 VALUES(3,'sanja');
INSERT INTO t1 VALUES(4,'monty');
INSERT INTO t1 VALUES(5,'david');
INSERT INTO t1 VALUES(6,'kent');
INSERT INTO t1 VALUES(7,'carsten');
INSERT INTO t1 VALUES(8,'ranger');
INSERT INTO t1 VALUES(10,'matt');
CREATE TABLE t2 (col1 int, col2 int, col3 char(1));
INSERT INTO t2 VALUES (1,1,'y');
INSERT INTO t2 VALUES (1,2,'y');
INSERT INTO t2 VALUES (2,1,'n');
INSERT INTO t2 VALUES (3,1,'n');
INSERT INTO t2 VALUES (4,1,'y');
INSERT INTO t2 VALUES (4,2,'n');
INSERT INTO t2 VALUES (4,3,'n');
INSERT INTO t2 VALUES (6,1,'n');
INSERT INTO t2 VALUES (8,1,'y');
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT a.col1,a.col2,b.col2,b.col3
FROM t1 a LEFT JOIN t2 b ON a.col1=b.col1
WHERE b.col2 IS NULL OR
b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
col1	col2	col2	col3
1	trudy	2	y
2	peter	1	n
3	sanja	1	n
4	monty	3	n
5	david	NULL	NULL
6	kent	1	n
7	carsten	NULL	NULL
8	ranger	1	y
10	matt	NULL	NULL
SELECT a.col1,a.col2,b.col2,b.col3
FROM v1 a LEFT JOIN t2 b ON a.col1=b.col1
WHERE b.col2 IS NULL OR
b.col2=(SELECT MAX(col2) FROM t2 b WHERE b.col1=a.col1);
col1	col2	col2	col3
1	trudy	2	y
2	peter	1	n
3	sanja	1	n
4	monty	3	n
5	david	NULL	NULL
6	kent	1	n
7	carsten	NULL	NULL
8	ranger	1	y
10	matt	NULL	NULL
CREATE VIEW v2 AS SELECT * FROM t2;
SELECT a.col1,a.col2,b.col2,b.col3
FROM v2 b RIGHT JOIN v1 a ON a.col1=b.col1
WHERE b.col2 IS NULL OR
b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1);
col1	col2	col2	col3
1	trudy	2	y
2	peter	1	n
3	sanja	1	n
4	monty	3	n
5	david	NULL	NULL
6	kent	1	n
7	carsten	NULL	NULL
8	ranger	1	y
10	matt	NULL	NULL
SELECT a.col1,a.col2,b.col2,b.col3
FROM v2 b RIGHT JOIN v1 a ON a.col1=b.col1
WHERE a.col1 IN (1,5,9) AND
(b.col2 IS NULL OR
b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1));
col1	col2	col2	col3
1	trudy	2	y
5	david	NULL	NULL
CREATE VIEW v3 AS SELECT * FROM t1 WHERE col1 IN (1,5,9);
SELECT a.col1,a.col2,b.col2,b.col3
FROM v2 b RIGHT JOIN v3 a ON a.col1=b.col1
WHERE b.col2 IS NULL OR
b.col2=(SELECT MAX(col2) FROM v2 b WHERE b.col1=a.col1);
col1	col2	col2	col3
1	trudy	2	y
5	david	NULL	NULL
DROP VIEW v1,v2,v3;
DROP TABLE t1,t2;
create table t1 as select 1 A union select 2 union select 3;
create table t2 as select * from t1;
create view v1 as select * from t1 where a in (select * from t2);
select * from v1 A, v1 B where A.a = B.a;
A	A
1	1
2	2
3	3
create table t3 as select a a,a b from t2;
create view v2 as select * from t3 where
a in (select * from t1) or b in (select * from t2);
select * from v2 A, v2 B where A.a = B.b;
a	b	a	b
1	1	1	1
2	2	2	2
3	3	3	3
drop view v1, v2;
drop table t1, t2, t3;
CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int);
INSERT INTO t1 VALUES (1), (2), (3), (4);
INSERT INTO t2 VALUES (4), (2);
CREATE VIEW v1 AS SELECT * FROM t1,t2 WHERE t1.a=t2.b;
SELECT * FROM v1;
a	b
2	2
4	4
CREATE VIEW v2 AS SELECT * FROM v1;
SELECT * FROM v2;
a	b
2	2
4	4
DROP VIEW v2,v1;
DROP TABLE t1, t2;
create table t1 (a int);
create view v1 as select sum(a) from t1 group by a;
create procedure p1()
begin
select * from v1;
end//
call p1();
sum(a)
call p1();
sum(a)
drop procedure p1;
drop view v1;
drop table t1;
CREATE TABLE t1(a char(2) primary key, b char(2));
CREATE TABLE t2(a char(2), b char(2), index i(a));
INSERT INTO t1 VALUES ('a','1'), ('b','2');
INSERT INTO t2 VALUES ('a','5'), ('a','6'), ('b','5'), ('b','6');
CREATE VIEW v1 AS
SELECT t1.b as c, t2.b as d FROM t1,t2 WHERE t1.a=t2.a;
SELECT d, c FROM v1 ORDER BY d,c;
d	c
5	1
5	2
6	1
6	2
DROP VIEW v1;
DROP TABLE t1, t2;
create table t1 (s1 int);
create view  v1 as select sum(distinct s1) from t1;
select * from v1;
sum(distinct s1)
NULL
drop view v1;
create view  v1 as select avg(distinct s1) from t1;
select * from v1;
avg(distinct s1)
NULL
drop view v1;
drop table t1;
create view v1 as select cast(1 as decimal);
select * from v1;
cast(1 as decimal)
1
drop view v1;
create table t1(f1 int);
create table t2(f2 int);
insert into t1 values(1),(2),(3);
insert into t2 values(1),(2),(3);
create view v1 as select * from t1,t2 where f1=f2;
create table t3 (f1 int, f2 int);
insert into t3 select * from v1 order by 1;
select * from t3;
f1	f2
1	1
2	2
3	3
drop view v1;
drop table t1,t2,t3;
create view v1 as select '\\','\\shazam';
select * from v1;
\	\shazam
\	\shazam
drop view v1;
create view v1 as select '\'','\shazam';
select * from v1;
'	shazam
'	shazam
drop view v1;
create view v1 as select 'k','K';
select * from v1;
k	My_exp_K
k	K
drop view v1;
create table t1 (s1 int);
create view v1 as select s1, 's1' from t1;
select * from v1;
s1	My_exp_s1
drop view v1;
create view v1 as select 's1', s1 from t1;
select * from v1;
My_exp_s1	s1
drop view v1;
create view v1 as select 's1', s1, 1 as My_exp_s1 from t1;
select * from v1;
My_exp_1_s1	s1	My_exp_s1
drop view v1;
create view v1 as select 1 as My_exp_s1, 's1', s1  from t1;
select * from v1;
My_exp_s1	My_exp_1_s1	s1
drop view v1;
create view v1 as select 1 as s1, 's1', 's1' from t1;
select * from v1;
s1	My_exp_s1	My_exp_1_s1
drop view v1;
create view v1 as select 's1', 's1', 1 as s1 from t1;
select * from v1;
My_exp_1_s1	My_exp_s1	s1
drop view v1;
create view v1 as select s1, 's1', 's1' from t1;
select * from v1;
s1	My_exp_s1	My_exp_1_s1
drop view v1;
create view v1 as select 's1', 's1', s1 from t1;
select * from v1;
My_exp_1_s1	My_exp_s1	s1
drop view v1;
create view v1 as select 1 as s1, 's1', s1 from t1;
ERROR 42S21: Duplicate column name 's1'
create view v1 as select 's1', s1, 1 as s1 from t1;
ERROR 42S21: Duplicate column name 's1'
drop table t1;
create view v1(k, K) as select 1,2;
ERROR 42S21: Duplicate column name 'K'
create view v1 as SELECT TIME_FORMAT(SEC_TO_TIME(3600),'%H:%i') as t;
select * from v1;
t
01:00
drop view v1;
create table t1 (a timestamp default now());
create table t2 (b timestamp default now());
create view v1 as select a,b,t1.a < now() from t1,t2 where t1.a < now();
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t2`.`b` AS `b`,`t1`.`a` < current_timestamp() AS `t1.a < now()` from (`t1` join `t2`) where `t1`.`a` < current_timestamp()	latin1	latin1_swedish_ci
drop view v1;
drop table t1, t2;
CREATE TABLE t1 ( a varchar(50) );
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = CURRENT_USER();
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where `t1`.`a` = current_user()	latin1	latin1_swedish_ci
DROP VIEW v1;
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = VERSION();
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where `t1`.`a` = version()	latin1	latin1_swedish_ci
DROP VIEW v1;
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = DATABASE();
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where `t1`.`a` = database()	latin1	latin1_swedish_ci
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (col1 time);
CREATE TABLE t2 (col1 time);
CREATE VIEW v1 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t1;
CREATE VIEW v2 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t2;
CREATE VIEW v3 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t1;
CREATE VIEW v4 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t2;
CREATE VIEW v5 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t1;
CREATE VIEW v6 AS SELECT CONVERT_TZ(col1,'GMT','MET') FROM t2;
DROP TABLE t1;
CHECK TABLE v1, v2, v3, v4, v5, v6;
Table	Op	Msg_type	Msg_text
test.v1	check	Error	Table 'test.t1' doesn't exist
test.v1	check	Error	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v1	check	error	Corrupt
test.v2	check	status	OK
test.v3	check	Error	Table 'test.t1' doesn't exist
test.v3	check	Error	View 'test.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v3	check	error	Corrupt
test.v4	check	status	OK
test.v5	check	Error	Table 'test.t1' doesn't exist
test.v5	check	Error	View 'test.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v5	check	error	Corrupt
test.v6	check	status	OK
drop view v1, v2, v3, v4, v5, v6;
drop table t2;
drop function if exists f1;
drop function if exists f2;
CREATE TABLE t1 (col1 time);
CREATE TABLE t2 (col1 time);
CREATE TABLE t3 (col1 time);
create function f1 () returns int return (select max(col1) from t1);
create function f2 () returns int return (select max(col1) from t2);
CREATE VIEW v1 AS SELECT f1() FROM t3;
CREATE VIEW v2 AS SELECT f2() FROM t3;
CREATE VIEW v3 AS SELECT f1() FROM t3;
CREATE VIEW v4 AS SELECT f2() FROM t3;
CREATE VIEW v5 AS SELECT f1() FROM t3;
CREATE VIEW v6 AS SELECT f2() FROM t3;
drop function f1;
CHECK TABLE v1, v2, v3, v4, v5, v6;
Table	Op	Msg_type	Msg_text
test.v1	check	Error	FUNCTION test.f1 does not exist
test.v1	check	Error	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v1	check	error	Corrupt
test.v2	check	status	OK
test.v3	check	Error	FUNCTION test.f1 does not exist
test.v3	check	Error	View 'test.v3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v3	check	error	Corrupt
test.v4	check	status	OK
test.v5	check	Error	FUNCTION test.f1 does not exist
test.v5	check	Error	View 'test.v5' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
test.v5	check	error	Corrupt
test.v6	check	status	OK
create function f1 () returns int return (select max(col1) from t1);
DROP TABLE t1;
CHECK TABLE v1, v2, v3, v4, v5, v6;
Table	Op	Msg_type	Msg_text
test.v1	check	status	OK
test.v2	check	status	OK
test.v3	check	status	OK
test.v4	check	status	OK
test.v5	check	status	OK
test.v6	check	status	OK
drop function f1;
drop function f2;
drop view v1, v2, v3, v4, v5, v6;
drop table t2,t3;
create table t1 (f1 date);
insert into t1 values ('2005-01-01'),('2005-02-02');
create view v1 as select * from t1;
select * from v1 where f1='2005.02.02';
f1
2005-02-02
select * from v1 where '2005.02.02'=f1;
f1
2005-02-02
drop view v1;
drop table t1;
create table t1 (f59 int, f60 int, f61 int);
insert into t1 values (19,41,32);
create view v1 as select f59, f60 from t1 where f59 in
(select f59 from t1);
update v1 set f60=2345;
ERROR HY000: The target table v1 of the UPDATE is not updatable
drop view v1;
drop table t1;
create table t1 (s1 int);
create view v1 as select var_samp(s1) from t1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select var_samp(`t1`.`s1`) AS `var_samp(s1)` from `t1`	latin1	latin1_swedish_ci
drop view v1;
drop table t1;
set sql_mode='strict_all_tables';
CREATE TABLE t1 (col1 INT NOT NULL, col2 INT NOT NULL);
CREATE VIEW v1 (vcol1) AS SELECT col1 FROM t1;
CREATE VIEW v2 (vcol1) AS SELECT col1 FROM t1 WHERE col2 > 2;
INSERT INTO t1 (col1) VALUES(12);
ERROR HY000: Field 'col2' doesn't have a default value
INSERT INTO v1 (vcol1) VALUES(12);
ERROR HY000: Field of view 'test.v1' underlying table doesn't have a default value
INSERT INTO v2 (vcol1) VALUES(12);
ERROR HY000: Field of view 'test.v2' underlying table doesn't have a default value
set sql_mode=default;
drop view v2,v1;
drop table t1;
create table t1 (f1 int);
insert into t1 values (1);
create view v1 as select f1 from t1;
select f1 as alias from v1;
alias
1
drop view v1;
drop table t1;
CREATE TABLE t1 (s1 int, s2 int);
INSERT  INTO t1 VALUES (1,2);
CREATE VIEW v1 AS SELECT s2 AS s1, s1 AS s2 FROM t1;
SELECT * FROM v1;
s1	s2
2	1
CREATE PROCEDURE p1 () SELECT * FROM v1;
CALL p1();
s1	s2
2	1
ALTER VIEW v1 AS SELECT s1 AS s1, s2 AS s2 FROM t1;
CALL p1();
s1	s2
1	2
DROP VIEW v1;
CREATE VIEW v1 AS SELECT s2 AS s1, s1 AS s2 FROM t1;
CALL p1();
s1	s2
2	1
DROP PROCEDURE p1;
DROP VIEW v1;
DROP TABLE t1;
create table t1 (f1 int, f2 int);
create view v1 as select f1 as f3, f2 as f1 from t1;
insert into t1 values (1,3),(2,1),(3,2);
select * from v1 order by f1;
f3	f1
2	1
3	2
1	3
drop view v1;
drop table t1;
CREATE TABLE t1 (f1 char);
INSERT INTO t1 VALUES ('A');
CREATE VIEW  v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES('B');
SELECT * FROM v1;
f1
A
B
SELECT * FROM t1;
f1
A
B
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 ( bug_table_seq   INTEGER NOT NULL);
CREATE OR REPLACE VIEW v1 AS SELECT * from t1;
DROP PROCEDURE IF EXISTS p1;
Warnings:
Note	1305	PROCEDURE test.p1 does not exist
CREATE PROCEDURE p1 ( )
BEGIN
DO (SELECT  @next := IFNULL(max(bug_table_seq),0) + 1 FROM v1);
INSERT INTO t1 VALUES (1);
END //
CALL p1();
DROP PROCEDURE p1;
DROP VIEW v1;
DROP TABLE t1;
create table t1(f1 datetime);
insert into t1 values('2005.01.01 12:0:0');
create view v1 as select f1, subtime(f1, '1:1:1') as sb from t1;
select * from v1;
f1	sb
2005-01-01 12:00:00	2005-01-01 10:58:59
drop view v1;
drop table t1;
CREATE TABLE t1 (
aid int PRIMARY KEY,
fn varchar(20) NOT NULL,
ln varchar(20) NOT NULL
);
CREATE TABLE t2 (
aid int NOT NULL,
pid int NOT NULL
);
INSERT INTO t1 VALUES(1,'a','b'), (2,'c','d');
INSERT INTO t2 values (1,1), (2,1), (2,2);
CREATE VIEW v1 AS SELECT t1.*,t2.pid FROM t1,t2 WHERE t1.aid = t2.aid;
SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM t1,t2
WHERE t1.aid = t2.aid GROUP BY pid;
pid	GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1)
1	a b,c d
2	c d
SELECT pid,GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1) FROM v1 GROUP BY pid;
pid	GROUP_CONCAT(CONCAT(fn,' ',ln) ORDER BY 1)
1	a b,c d
2	c d
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (id int PRIMARY KEY, f varchar(255));
CREATE VIEW v1 AS SELECT id, f FROM t1 WHERE id <= 2;
INSERT INTO t1 VALUES (2, 'foo2');
INSERT INTO t1 VALUES (1, 'foo1');
SELECT * FROM v1;
id	f
1	foo1
2	foo2
SELECT * FROM v1;
id	f
1	foo1
2	foo2
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (pk int PRIMARY KEY, b int);
CREATE TABLE t2 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE TABLE t3 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE TABLE t4 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE TABLE t5 (pk int PRIMARY KEY, fk int, INDEX idx(fk));
CREATE VIEW v1 AS
SELECT t1.pk as a FROM t1,t2,t3,t4,t5
WHERE t1.b IS NULL AND
t1.pk=t2.fk AND t2.pk=t3.fk AND t3.pk=t4.fk AND t4.pk=t5.fk;
SELECT a FROM v1;
a
DROP VIEW v1;
DROP TABLE t1,t2,t3,t4,t5;
create view v1 as select timestampdiff(day,'1997-01-01 00:00:00','1997-01-02 00:00:00') as f1;
select * from v1;
f1
1
drop view v1;
create table t1(a int);
create procedure p1() create view v1 as select * from t1;
drop table t1;
call p1();
ERROR 42S02: Table 'test.t1' doesn't exist
call p1();
ERROR 42S02: Table 'test.t1' doesn't exist
drop procedure p1;
create table t1 (f1 int);
create table t2 (f1 int);
insert into t1 values (1);
insert into t2 values (2);
create view v1 as select * from t1 union select * from t2 union all select * from t2;
select * from v1;
f1
1
2
2
drop view v1;
drop table t1,t2;
CREATE TEMPORARY TABLE t1 (a int);
CREATE FUNCTION f1 () RETURNS int RETURN (SELECT COUNT(*) FROM t1);
CREATE VIEW v1 AS SELECT f1();
ERROR HY000: View's SELECT refers to a temporary table 't1'
DROP FUNCTION f1;
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
DROP VIEW  IF EXISTS v1;
CREATE TABLE t1 (f4 CHAR(5));
CREATE VIEW v1 AS SELECT * FROM t1;
DESCRIBE v1;
Field	Type	Null	Key	Default	Extra
f4	char(5)	YES		NULL	
ALTER TABLE t1 CHANGE COLUMN f4 f4x CHAR(5);
DESCRIBE v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
DROP TABLE t1;
DROP VIEW v1;
create table t1 (f1 char);
create view v1 as select strcmp(f1,'a') from t1;
select * from v1;
strcmp(f1,'a')
drop view v1;
drop table t1;
create table t1 (f1 int, f2 int,f3 int);
insert into t1 values (1,10,20),(2,0,0);
create view v1 as select * from t1;
select if(sum(f1)>1,f2,f3) from v1 group by f1;
if(sum(f1)>1,f2,f3)
20
0
drop view v1;
drop table t1;
create table t1 (
r_object_id char(16) NOT NULL,
group_name varchar(32) NOT NULL
);
create table t2 (
r_object_id char(16) NOT NULL,
i_position int(11) NOT NULL,
users_names varchar(32) default NULL
);
create view v1 as select r_object_id, group_name from t1;
create view v2 as select r_object_id, i_position, users_names from t2;
create unique index r_object_id on t1(r_object_id);
create index group_name on t1(group_name);
create unique index r_object_id_i_position on t2(r_object_id,i_position);
create index users_names on t2(users_names);
insert into t1 values('120001a080000542','tstgroup1');
insert into t2 values('120001a080000542',-1, 'guser01');
insert into t2 values('120001a080000542',-2, 'guser02');
select v1.r_object_id, v2.users_names from v1, v2
where (v1.group_name='tstgroup1') and v2.r_object_id=v1.r_object_id
order by users_names;
r_object_id	users_names
120001a080000542	guser01
120001a080000542	guser02
drop view v1, v2;
drop table t1, t2;
create table t1 (s1 int);
create view abc as select * from t1 as abc;
drop table t1;
drop view abc;
#
# Bug#12993 View column rename broken in subselect
#
flush status;
flush global status;
create table t1(f1 char(1));
create view v1 as select * from t1;
select * from (select f1 as f2, f1 as f3 from v1) v where v.f2='a';
f2	f3
show status like "Created_tmp%";
Variable_name	Value
Created_tmp_disk_tables	0
Created_tmp_files	0
Created_tmp_tables	0
drop view v1;
drop table t1;
set @tmp=@@optimizer_switch;
set @@optimizer_switch='derived_merge=OFF';
create table t1(f1 char(1));
create view v1 as select * from t1;
select * from (select f1 as f2, f1 as f3 from v1) v where v.f2='a';
f2	f3
show status like "Created_tmp%";
Variable_name	Value
Created_tmp_disk_tables	0
Created_tmp_files	0
Created_tmp_tables	1
drop view v1;
drop table t1;
set @@optimizer_switch=@tmp;
create view v1 as SELECT CONVERT_TZ('2004-01-01 12:00:00','GMT','MET');
select * from v1;
CONVERT_TZ('2004-01-01 12:00:00','GMT','MET')
NULL
drop view v1;
CREATE TABLE t1 (date DATE NOT NULL);
INSERT INTO  t1 VALUES ('2005-09-06');
CREATE VIEW v1 AS SELECT DAYNAME(date) FROM t1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select dayname(`t1`.`date`) AS `DAYNAME(date)` from `t1`	latin1	latin1_swedish_ci
CREATE VIEW v2 AS SELECT DAYOFWEEK(date) FROM t1;
SHOW CREATE VIEW v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select dayofweek(`t1`.`date`) AS `DAYOFWEEK(date)` from `t1`	latin1	latin1_swedish_ci
CREATE VIEW v3 AS SELECT WEEKDAY(date) FROM t1;
SHOW CREATE VIEW v3;
View	Create View	character_set_client	collation_connection
v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select weekday(`t1`.`date`) AS `WEEKDAY(date)` from `t1`	latin1	latin1_swedish_ci
SELECT DAYNAME('2005-09-06');
DAYNAME('2005-09-06')
Tuesday
SELECT DAYNAME(date) FROM t1;
DAYNAME(date)
Tuesday
SELECT * FROM v1;
DAYNAME(date)
Tuesday
SELECT DAYOFWEEK('2005-09-06');
DAYOFWEEK('2005-09-06')
3
SELECT DAYOFWEEK(date) FROM t1;
DAYOFWEEK(date)
3
SELECT * FROM v2;
DAYOFWEEK(date)
3
SELECT WEEKDAY('2005-09-06');
WEEKDAY('2005-09-06')
1
SELECT WEEKDAY(date) FROM t1;
WEEKDAY(date)
1
SELECT * FROM v3;
WEEKDAY(date)
1
DROP TABLE t1;
DROP VIEW  v1, v2, v3;
CREATE TABLE t1 ( a int, b int );
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
CREATE VIEW v1 AS SELECT a,b FROM t1;
SELECT t1.a FROM t1 GROUP BY t1.a HAVING a > 1;
a
2
3
SELECT v1.a FROM v1 GROUP BY v1.a HAVING a > 1;
a
2
3
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 ( a int, b int );
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
CREATE VIEW v1 AS SELECT a,b FROM t1;
SELECT t1.a FROM t1 GROUP BY t1.a HAVING t1.a > 1;
a
2
3
SELECT v1.a FROM v1 GROUP BY v1.a HAVING v1.a > 1;
a
2
3
SELECT t_1.a FROM t1 AS t_1 GROUP BY t_1.a HAVING t_1.a IN (1,2,3);
a
1
2
3
SELECT v_1.a FROM v1 AS v_1 GROUP BY v_1.a HAVING v_1.a IN (1,2,3);
a
1
2
3
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, INDEX(a,b));
CREATE TABLE t2 LIKE t1;
CREATE TABLE t3 (a INT);
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
INSERT INTO t2 VALUES (1,1),(2,2),(3,3);
INSERT INTO t3 VALUES (1),(2),(3);
CREATE VIEW v1 AS SELECT t1.* FROM t1,t2 WHERE t1.a=t2.a AND t1.b=t2.b;
CREATE VIEW v2 AS SELECT t3.* FROM t1,t3 WHERE t1.a=t3.a;
EXPLAIN SELECT t1.* FROM t1 JOIN t2 WHERE t1.a=t2.a AND t1.b=t2.b AND t1.a=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	a	a	5	const	1	Using where; Using index
1	SIMPLE	t2	ref	a	a	10	const,test.t1.b	1	Using index
EXPLAIN SELECT * FROM v1 WHERE a=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	a	a	5	const	1	Using where; Using index
1	SIMPLE	t2	ref	a	a	10	const,test.t1.b	1	Using index
EXPLAIN SELECT * FROM v2 WHERE a=1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	a	a	5	const	1	Using index
1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	3	Using where; Using join buffer (flat, BNL join)
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3;
create table t1 (f1 int);
create view v1 as select t1.f1 as '123
456' from t1;
select * from v1;
123
456
drop view v1;
drop table t1;
create table t1 (f1 int, f2 int);
insert into t1 values(1,1),(1,2),(1,3);
create view v1 as select f1 ,group_concat(f2 order by f2 asc) from t1 group by f1;
create view v2 as select f1 ,group_concat(f2 order by f2 desc) from t1 group by f1;
select * from v1;
f1	group_concat(f2 order by f2 asc)
1	1,2,3
select * from v2;
f1	group_concat(f2 order by f2 desc)
1	3,2,1
drop view v1,v2;
drop table t1;
create table t1 (x int, y int);
create table t2 (x int, y int, z int);
create table t3 (x int, y int, z int);
create table t4 (x int, y int, z int);
create view v1 as
select t1.x
from (
(t1 join t2 on ((t1.y = t2.y)))
join
(t3 left join t4 on (t3.y = t4.y) and (t3.z = t4.z))
);
prepare stmt1 from "select count(*) from v1 where x = ?";
set @parm1=1;
execute stmt1 using @parm1;
count(*)
0
execute stmt1 using @parm1;
count(*)
0
drop view v1;
drop table t1,t2,t3,t4;
CREATE TABLE t1(id INT);
CREATE VIEW v1 AS SELECT id FROM t1;
OPTIMIZE TABLE v1;
Table	Op	Msg_type	Msg_text
test.v1	optimize	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	optimize	status	Operation failed
ANALYZE TABLE v1;
Table	Op	Msg_type	Msg_text
test.v1	analyze	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	analyze	status	Operation failed
REPAIR TABLE v1;
Table	Op	Msg_type	Msg_text
test.v1	repair	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	repair	status	Operation failed
DROP TABLE t1;
OPTIMIZE TABLE v1;
Table	Op	Msg_type	Msg_text
test.v1	optimize	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	optimize	status	Operation failed
ANALYZE TABLE v1;
Table	Op	Msg_type	Msg_text
test.v1	analyze	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	analyze	status	Operation failed
REPAIR TABLE v1;
Table	Op	Msg_type	Msg_text
test.v1	repair	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	repair	status	Operation failed
DROP VIEW v1;
create definer = current_user() sql security invoker view v1 as select 1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY INVOKER VIEW `v1` AS select 1 AS `1`	latin1	latin1_swedish_ci
drop view v1;
create definer = current_user sql security invoker view v1 as select 1;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY INVOKER VIEW `v1` AS select 1 AS `1`	latin1	latin1_swedish_ci
drop view v1;
create table t1 (id INT, primary key(id));
insert into t1 values (1),(2);
create view v1 as select * from t1;
explain select id from v1 order by id;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	2	Using index
drop view v1;
drop table t1;
create table t1(f1 int, f2 int);
insert into t1 values (null, 10), (null,2);
select f1, sum(f2) from t1 group by f1;
f1	sum(f2)
NULL	12
create view v1 as select * from t1;
select f1, sum(f2) from v1 group by f1;
f1	sum(f2)
NULL	12
drop view v1;
drop table t1;
drop procedure if exists p1;
create procedure p1 () deterministic
begin
create view v1 as select 1;
end;
//
call p1();
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `1`	latin1	latin1_swedish_ci
drop view v1;
drop procedure p1;
CREATE VIEW v1 AS SELECT 42 AS Meaning;
DROP FUNCTION IF EXISTS f1;
CREATE FUNCTION f1() RETURNS INTEGER
BEGIN
DECLARE retn INTEGER;
SELECT Meaning FROM v1 INTO retn;
RETURN retn;
END
//
CREATE VIEW v2 AS SELECT f1();
select * from v2;
f1()
42
drop view v2,v1;
drop function f1;
create table t1 (id numeric, warehouse_id numeric);
create view v1 as select id from t1;
create view v2 as
select t1.warehouse_id, v1.id as receipt_id
from t1, v1 where t1.id = v1.id;
insert into t1 (id, warehouse_id) values(3, 2);
insert into t1 (id, warehouse_id) values(4, 2);
insert into t1 (id, warehouse_id) values(5, 1);
select v2.receipt_id as alias1, v2.receipt_id as alias2 from v2
order by v2.receipt_id;
alias1	alias2
3	3
4	4
5	5
drop view v2, v1;
drop table t1;
CREATE TABLE t1 (a int PRIMARY KEY, b int);
INSERT INTO t1 VALUES (2,20), (3,10), (1,10), (0,30), (5,10);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT MAX(a) FROM t1;
MAX(a)
5
SELECT MAX(a) FROM v1;
MAX(a)
5
EXPLAIN SELECT MAX(a) FROM t1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
EXPLAIN SELECT MAX(a) FROM v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
SELECT MIN(a) FROM t1;
MIN(a)
0
SELECT MIN(a) FROM v1;
MIN(a)
0
EXPLAIN SELECT MIN(a) FROM t1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
EXPLAIN SELECT MIN(a) FROM v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Select tables optimized away
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (x varchar(10));
INSERT INTO t1 VALUES (null), ('foo'), ('bar'), (null);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT IF(x IS NULL, 'blank', 'not blank') FROM v1 GROUP BY x;
IF(x IS NULL, 'blank', 'not blank')
blank
not blank
not blank
SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM t1 GROUP BY x;
x
blank
not blank
not blank
Warnings:
Warning	1052	Column 'x' in GROUP BY is ambiguous
SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1;
x
blank
not blank
not blank
blank
SELECT IF(x IS NULL, 'blank', 'not blank') AS y FROM v1 GROUP BY y;
y
blank
not blank
SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1 GROUP BY x;
x
blank
not blank
not blank
Warnings:
Warning	1052	Column 'x' in GROUP BY is ambiguous
DROP VIEW v1;
DROP TABLE t1;
drop table if exists t1;
drop view if exists v1;
create table t1 (id int);
create view v1 as select * from t1;
drop table t1;
show create view v1;
drop view v1;
//
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`id` AS `id` from `t1`	latin1	latin1_swedish_ci
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 local check option;
select * from v2;
a	b
2	2
update v2 set b=3 where a=2;
select * from v2;
a	b
3	3
drop view v2, v1;
drop table t1;
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1), (2);
CREATE VIEW v1 AS SELECT SQRT(a) my_sqrt FROM t1;
SELECT my_sqrt FROM v1 ORDER BY my_sqrt;
my_sqrt
1
1.4142135623730951
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (id int PRIMARY KEY);
CREATE TABLE t2 (id int PRIMARY KEY);
INSERT INTO t1 VALUES (1), (3);
INSERT INTO t2 VALUES (1), (2), (3);
CREATE VIEW v2 AS SELECT * FROM t2;
SELECT COUNT(*) FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
COUNT(*)
2
SELECT * FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
id	id
1	1
3	3
SELECT COUNT(*) FROM t1 LEFT JOIN v2 ON t1.id=v2.id;
COUNT(*)
2
DROP VIEW v2;
DROP TABLE t1, t2;
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY,
td date DEFAULT NULL, KEY idx(td));
INSERT INTO t1 VALUES
(1, '2005-01-01'), (2, '2005-01-02'), (3, '2005-01-02'),
(4, '2005-01-03'), (5, '2005-01-04'), (6, '2005-01-05'),
(7, '2005-01-05'), (8, '2005-01-05'), (9, '2005-01-06');
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 WHERE td BETWEEN CAST('2005.01.02' AS DATE) AND CAST('2005.01.04' AS DATE);
id	td
2	2005-01-02
3	2005-01-02
4	2005-01-03
5	2005-01-04
SELECT * FROM v1 WHERE td BETWEEN CAST('2005.01.02' AS DATE) AND CAST('2005.01.04' AS DATE);
id	td
2	2005-01-02
3	2005-01-02
4	2005-01-03
5	2005-01-04
DROP VIEW v1;
DROP TABLE t1;
create table t1 (a int);
create view v1 as select * from t1;
create view v2 as select * from v1;
drop table t1;
rename table v2 to t1;
select * from v1;
ERROR HY000: `test`.`v1` contains view recursion
drop view t1, v1;
create table t1 (a int);
create function f1() returns int
begin
declare mx int;
select max(a) from t1 into mx;
return mx;
end//
create view v1 as select f1() as a;
create view v2 as select * from v1;
drop table t1;
rename table v2 to t1;
select * from v1;
ERROR HY000: Recursive stored functions and triggers are not allowed
drop function f1;
drop view t1, v1;
create table t1 (dt datetime);
insert into t1 values (20040101000000), (20050101000000), (20060101000000);
create view v1 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from t1;
select * from v1;
ldt
2004-01-01 03:00:00
2005-01-01 03:00:00
2006-01-01 03:00:00
drop view v1;
create view v1 as select * from t1 where convert_tz(dt, 'UTC', 'Europe/Moscow') >= 20050101000000;
select * from v1;
dt
2005-01-01 00:00:00
2006-01-01 00:00:00
create view v2 as select * from v1 where dt < 20060101000000;
select * from v2;
dt
2005-01-01 00:00:00
drop view v2;
create view v2 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from v1;
select * from v2;
ldt
2005-01-01 03:00:00
2006-01-01 03:00:00
drop view v1, v2;
drop table t1;
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, d datetime);
CREATE VIEW v1 AS
SELECT id, date(d) + INTERVAL TIME_TO_SEC(d) SECOND AS t, COUNT(*)
FROM t1 GROUP BY id, t;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`id` AS `id`,cast(`t1`.`d` as date) + interval time_to_sec(`t1`.`d`) second AS `t`,count(0) AS `COUNT(*)` from `t1` group by `t1`.`id`,cast(`t1`.`d` as date) + interval time_to_sec(`t1`.`d`) second	latin1	latin1_swedish_ci
SELECT * FROM v1;
id	t	COUNT(*)
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (i INT, j BIGINT);
INSERT INTO t1 VALUES (1, 2), (2, 2), (3, 2);
CREATE VIEW v1 AS SELECT MIN(j) AS j FROM t1;
CREATE VIEW v2 AS SELECT MIN(i) FROM t1 WHERE j = ( SELECT * FROM v1 );
SELECT * FROM v2;
MIN(i)
1
DROP VIEW v2, v1;
DROP TABLE t1;
CREATE TABLE t1(
fName varchar(25) NOT NULL,
lName varchar(25) NOT NULL,
DOB date NOT NULL,
test_date date NOT NULL,
uID int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY);
INSERT INTO t1(fName, lName, DOB, test_date) VALUES
('Hank', 'Hill', '1964-09-29', '2007-01-01'),
('Tom', 'Adams', '1908-02-14', '2007-01-01'),
('Homer', 'Simpson', '1968-03-05', '2007-01-01');
CREATE VIEW v1 AS
SELECT (year(test_date)-year(DOB)) AS Age
FROM t1 HAVING Age < 75;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select year(`t1`.`test_date`) - year(`t1`.`DOB`) AS `Age` from `t1` having `Age` < 75	latin1	latin1_swedish_ci
SELECT (year(test_date)-year(DOB)) AS Age FROM t1 HAVING Age < 75;
Age
43
39
SELECT * FROM v1;
Age
43
39
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (id int NOT NULL PRIMARY KEY, a char(6) DEFAULT 'xxx');
INSERT INTO t1(id) VALUES (1), (2), (3), (4);
INSERT INTO t1 VALUES (5,'yyy'), (6,'yyy');
SELECT * FROM t1;
id	a
1	xxx
2	xxx
3	xxx
4	xxx
5	yyy
6	yyy
CREATE VIEW v1(a, m) AS SELECT a, MIN(id) FROM t1 GROUP BY a;
SELECT * FROM v1;
a	m
xxx	1
yyy	5
CREATE TABLE t2 SELECT * FROM v1;
INSERT INTO t2(m) VALUES (0);
SELECT * FROM t2;
a	m
xxx	1
yyy	5
xxx	0
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (id int PRIMARY KEY, e ENUM('a','b') NOT NULL DEFAULT 'b');
INSERT INTO t1(id) VALUES (1), (2), (3);
INSERT INTO t1 VALUES (4,'a');
SELECT * FROM t1;
id	e
1	b
2	b
3	b
4	a
CREATE VIEW v1(m, e) AS SELECT MIN(id), e FROM t1 GROUP BY e;
CREATE TABLE t2 SELECT * FROM v1;
SELECT * FROM t2;
m	e
4	a
1	b
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (a INT NOT NULL, b INT NULL DEFAULT NULL);
CREATE VIEW v1 AS SELECT a, b FROM t1;
INSERT IGNORE INTO v1 (b) VALUES (2);
Warnings:
Warning	1423	Field of view 'test.v1' underlying table doesn't have a default value
SET SQL_MODE = STRICT_ALL_TABLES;
INSERT INTO v1 (b) VALUES (4);
ERROR HY000: Field of view 'test.v1' underlying table doesn't have a default value
SET SQL_MODE = '';
SELECT * FROM t1;
a	b
0	2
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (firstname text, surname text);
INSERT INTO t1 VALUES
("Bart","Simpson"),("Milhouse","van Houten"),("Montgomery","Burns");
CREATE VIEW v1 AS SELECT CONCAT(firstname," ",surname) AS name FROM t1;
SELECT CONCAT(LEFT(name,LENGTH(name)-INSTR(REVERSE(name)," ")),
LEFT(name,LENGTH(name)-INSTR(REVERSE(name)," "))) AS f1
FROM v1;
f1
BartBart
Milhouse vanMilhouse van
MontgomeryMontgomery
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (i int, j int);
CREATE VIEW v1 AS SELECT COALESCE(i,j) FROM t1;
DESCRIBE v1;
Field	Type	Null	Key	Default	Extra
COALESCE(i,j)	int(11)	YES		NULL	
CREATE TABLE t2 SELECT COALESCE(i,j) FROM t1;
DESCRIBE t2;
Field	Type	Null	Key	Default	Extra
COALESCE(i,j)	int(11)	YES		NULL	
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yady');
SELECT TRIM(BOTH 'y' FROM s) FROM t1;
TRIM(BOTH 'y' FROM s)
adda
ad
CREATE VIEW v1 AS SELECT TRIM(BOTH 'y' FROM s) FROM t1;
SELECT * FROM v1;
TRIM(BOTH 'y' FROM s)
adda
ad
DROP VIEW v1;
SELECT TRIM(LEADING 'y' FROM s) FROM t1;
TRIM(LEADING 'y' FROM s)
adda
ady
CREATE VIEW v1 AS SELECT TRIM(LEADING 'y' FROM s) FROM t1;
SELECT * FROM v1;
TRIM(LEADING 'y' FROM s)
adda
ady
DROP VIEW v1;
SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
TRIM(TRAILING 'y' FROM s)
yadda
yad
CREATE VIEW v1 AS SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
SELECT * FROM v1;
TRIM(TRAILING 'y' FROM s)
yadda
yad
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (x INT, y INT);
CREATE ALGORITHM=TEMPTABLE SQL SECURITY INVOKER VIEW v1 AS SELECT x FROM t1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY INVOKER VIEW `v1` AS select `t1`.`x` AS `x` from `t1`	latin1	latin1_swedish_ci
ALTER VIEW v1 AS SELECT x, y FROM t1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY INVOKER VIEW `v1` AS select `t1`.`x` AS `x`,`t1`.`y` AS `y` from `t1`	latin1	latin1_swedish_ci
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (s1 char);
INSERT INTO t1 VALUES ('Z');
CREATE VIEW v1 AS SELECT s1 collate latin1_german1_ci AS col FROM t1;
CREATE VIEW v2 (col) AS SELECT s1 collate latin1_german1_ci FROM t1;
INSERT INTO v1 (col) VALUES ('b');
INSERT INTO v2 (col) VALUES ('c');
SELECT s1 FROM t1;
s1
Z
b
c
DROP VIEW v1, v2;
DROP TABLE t1;
CREATE TABLE t1 (id INT);
CREATE VIEW v1 AS SELECT id FROM t1;
SHOW TABLES;
Tables_in_test
t1
v1
DROP VIEW v2,v1;
ERROR 42S02: Unknown VIEW: 'test.v2'
SHOW TABLES;
Tables_in_test
t1
CREATE VIEW v1 AS SELECT id FROM t1;
DROP VIEW t1,v1;
ERROR 42S02: Unknown VIEW: 'test.t1'
show warnings;
Level	Code	Message
Warning	1347	'test.t1' is not of type 'VIEW'
Error	4092	Unknown VIEW: 'test.t1'
SHOW TABLES;
Tables_in_test
t1
DROP TABLE t1;
DROP VIEW IF EXISTS v1;
set GLOBAL sql_mode="";
set LOCAL sql_mode="";
CREATE DATABASE bug21261DB;
USE bug21261DB;
connect  root,localhost,root,,bug21261DB;
connection root;
CREATE TABLE t1 (x INT);
CREATE SQL SECURITY INVOKER VIEW v1 AS SELECT x FROM t1;
GRANT INSERT, UPDATE ON v1 TO 'user21261'@'localhost';
GRANT INSERT, UPDATE ON t1 TO 'user21261'@'localhost';
CREATE TABLE t2 (y INT);
GRANT SELECT ON t2 TO 'user21261'@'localhost';
connect  user21261, localhost, user21261,, bug21261DB;
connection user21261;
INSERT INTO v1 (x) VALUES (5);
UPDATE v1 SET x=1;
connection root;
GRANT SELECT ON v1 TO 'user21261'@'localhost';
GRANT SELECT ON t1 TO 'user21261'@'localhost';
connection user21261;
UPDATE v1,t2 SET x=1 WHERE x=y;
connection root;
SELECT * FROM t1;
x
1
REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'user21261'@'localhost';
DROP USER 'user21261'@'localhost';
DROP VIEW v1;
DROP TABLE t1;
DROP DATABASE bug21261DB;
connection default;
USE test;
disconnect root;
disconnect user21261;
set GLOBAL sql_mode=default;
set LOCAL sql_mode=default;
create table t1 (f1 datetime);
create view v1 as select * from t1 where f1 between now() and now() + interval 1 minute;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`f1` AS `f1` from `t1` where `t1`.`f1` between current_timestamp() and current_timestamp() + interval 1 minute	latin1	latin1_swedish_ci
drop view v1;
drop table t1;
DROP TABLE IF EXISTS t1;
DROP VIEW IF EXISTS v1;
DROP VIEW IF EXISTS v2;
CREATE TABLE t1(a INT, b INT);
CREATE DEFINER=longer_than_80_456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789@localhost
VIEW v1 AS SELECT a FROM t1;
ERROR HY000: String 'longer_than_80_4567890123456789012345678901234567890123456789012345...' is too long for user name (should be no longer than 128)
CREATE DEFINER=some_user_name@1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYsome_user_name@1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYabcdefghij1234567890abcdefghij1234567890abcdefghijQWERTY
VIEW v2 AS SELECT b FROM t1;
ERROR HY000: String '1234567890abcdefghij1234567890abcdefghij1234567890abcdefghijQWERTYa...' is too long for host name (should be no longer than 255)
DROP TABLE t1;
DROP FUNCTION IF EXISTS f1;
DROP FUNCTION IF EXISTS f2;
DROP VIEW IF EXISTS v1, v2;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT * FROM t1;
CREATE FUNCTION f1() RETURNS INT
BEGIN
INSERT INTO v1 VALUES (0);
RETURN 0;
END |
SELECT f1();
f1()
0
CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t1;
CREATE FUNCTION f2() RETURNS INT
BEGIN
INSERT INTO v2 VALUES (0);
RETURN 0;
END |
SELECT f2();
ERROR HY000: The target table v2 of the INSERT is not insertable-into
DROP FUNCTION f1;
DROP FUNCTION f2;
DROP VIEW v1, v2;
DROP TABLE t1;
CREATE TABLE t1 (s1 int);
CREATE VIEW v1 AS SELECT * FROM t1;
EXPLAIN SELECT * FROM t1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
EXPLAIN SELECT * FROM v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
INSERT INTO t1 VALUES (1), (3), (2);
EXPLAIN SELECT * FROM t1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t	ALL	NULL	NULL	NULL	NULL	3	Using where
2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	
EXPLAIN SELECT * FROM v1 t WHERE t.s1+1 < (SELECT MAX(t1.s1) FROM t1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
2	SUBQUERY	t1	ALL	NULL	NULL	NULL	NULL	3	
DROP VIEW v1;
DROP TABLE t1;
create table t1 (s1 int);
create view v1 as select s1 as a, s1 as b from t1;
insert into v1 values (1,1);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
update v1 set a = 5;
drop view v1;
drop table t1;
CREATE TABLE t1(pk int PRIMARY KEY);
CREATE TABLE t2(pk int PRIMARY KEY, fk int, ver int, org int);
CREATE ALGORITHM=MERGE VIEW v1 AS
SELECT t1.*
FROM t1 JOIN t2
ON t2.fk = t1.pk AND
t2.ver = (SELECT MAX(t.ver) FROM t2 t WHERE t.org = t2.org);
SHOW WARNINGS;
Level	Code	Message
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=MERGE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`pk` AS `pk` from (`t1` join `t2` on(`t2`.`fk` = `t1`.`pk` and `t2`.`ver` = (select max(`t`.`ver`) from `t2` `t` where `t`.`org` = `t2`.`org`)))	latin1	latin1_swedish_ci
DROP VIEW v1;
DROP TABLE t1, t2;
DROP FUNCTION IF EXISTS f1;
DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1);
CREATE VIEW v1 AS SELECT MAX(i) FROM t1;
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
SET NEW.i = (SELECT * FROM v1) + 1;
INSERT INTO t1 VALUES (1);
CREATE FUNCTION f1() RETURNS INT RETURN (SELECT * FROM v1);
UPDATE t1 SET i= f1();
DROP FUNCTION f1;
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1(id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT UNSIGNED NOT NULL);
CREATE VIEW v1 AS SELECT id, val FROM t1 WHERE val >= 1 AND val <= 5 WITH CHECK OPTION;
INSERT INTO v1 (val) VALUES (2);
INSERT INTO v1 (val) VALUES (4);
INSERT INTO v1 (val) VALUES (6);
ERROR 44000: CHECK OPTION failed `test`.`v1`
UPDATE v1 SET val=6 WHERE id=2;
ERROR 44000: CHECK OPTION failed `test`.`v1`
DROP VIEW v1;
DROP TABLE t1;
DROP VIEW IF EXISTS v1, v2;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (i INT AUTO_INCREMENT PRIMARY KEY, j INT);
CREATE VIEW v1 AS SELECT j FROM t1;
CREATE VIEW v2 AS SELECT * FROM t1;
INSERT INTO t1 (j) VALUES (1);
SELECT LAST_INSERT_ID();
LAST_INSERT_ID()
1
INSERT INTO v1 (j) VALUES (2);
# LAST_INSERT_ID() should not change.
SELECT LAST_INSERT_ID();
LAST_INSERT_ID()
1
INSERT INTO v2 (j) VALUES (3);
# LAST_INSERT_ID() should be updated.
SELECT LAST_INSERT_ID();
LAST_INSERT_ID()
3
INSERT INTO v1 (j) SELECT j FROM t1;
# LAST_INSERT_ID() should not change.
SELECT LAST_INSERT_ID();
LAST_INSERT_ID()
3
SELECT * FROM t1;
i	j
1	1
2	2
3	3
4	1
5	2
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	character_set_client	collation_connection
v	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` AS select !0 * 5 AS `x`	latin1	latin1_swedish_ci
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;
TheEnd
TheEnd
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 'The\ZEnd' AS `TheEnd`	latin1	latin1_swedish_ci
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 44000: 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	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	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	2
1	3
1	1
2	3
2	1
2	2
explain extended select * from v1 order by f1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using filesort
Warnings:
Note	1926	View 'test'.'v1' ORDER BY clause ignored because there is other ORDER BY clause already
Note	1003	select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2` from `test`.`t1` order by `test`.`t1`.`f1`
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 into @w;
CREATE VIEW v1 AS SELECT * FROM (SELECT 1) AS t into @w;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'into @w' at line 1
# Previously the following would fail.
SELECT * FROM (SELECT 1) AS t into @w;
drop view if exists view_24532_a;
drop view if exists view_24532_b;
drop table if exists table_24532;
create table table_24532 (
a int,
b bigint,
c int(4),
d bigint(48)
);
create view view_24532_a as
select
a IS TRUE,
a IS NOT TRUE,
a IS FALSE,
a IS NOT FALSE,
a IS UNKNOWN,
a IS NOT UNKNOWN,
a is NULL,
a IS NOT NULL,
ISNULL(a),
b IS TRUE,
b IS NOT TRUE,
b IS FALSE,
b IS NOT FALSE,
b IS UNKNOWN,
b IS NOT UNKNOWN,
b is NULL,
b IS NOT NULL,
ISNULL(b),
c IS TRUE,
c IS NOT TRUE,
c IS FALSE,
c IS NOT FALSE,
c IS UNKNOWN,
c IS NOT UNKNOWN,
c is NULL,
c IS NOT NULL,
ISNULL(c),
d IS TRUE,
d IS NOT TRUE,
d IS FALSE,
d IS NOT FALSE,
d IS UNKNOWN,
d IS NOT UNKNOWN,
d is NULL,
d IS NOT NULL,
ISNULL(d)
from table_24532;
describe view_24532_a;
Field	Type	Null	Key	Default	Extra
a IS TRUE	int(1)	NO		0	
a IS NOT TRUE	int(1)	NO		0	
a IS FALSE	int(1)	NO		0	
a IS NOT FALSE	int(1)	NO		0	
a IS UNKNOWN	int(1)	NO		0	
a IS NOT UNKNOWN	int(1)	NO		0	
a is NULL	int(1)	NO		0	
a IS NOT NULL	int(1)	NO		0	
ISNULL(a)	int(1)	NO		0	
b IS TRUE	int(1)	NO		0	
b IS NOT TRUE	int(1)	NO		0	
b IS FALSE	int(1)	NO		0	
b IS NOT FALSE	int(1)	NO		0	
b IS UNKNOWN	int(1)	NO		0	
b IS NOT UNKNOWN	int(1)	NO		0	
b is NULL	int(1)	NO		0	
b IS NOT NULL	int(1)	NO		0	
ISNULL(b)	int(1)	NO		0	
c IS TRUE	int(1)	NO		0	
c IS NOT TRUE	int(1)	NO		0	
c IS FALSE	int(1)	NO		0	
c IS NOT FALSE	int(1)	NO		0	
c IS UNKNOWN	int(1)	NO		0	
c IS NOT UNKNOWN	int(1)	NO		0	
c is NULL	int(1)	NO		0	
c IS NOT NULL	int(1)	NO		0	
ISNULL(c)	int(1)	NO		0	
d IS TRUE	int(1)	NO		0	
d IS NOT TRUE	int(1)	NO		0	
d IS FALSE	int(1)	NO		0	
d IS NOT FALSE	int(1)	NO		0	
d IS UNKNOWN	int(1)	NO		0	
d IS NOT UNKNOWN	int(1)	NO		0	
d is NULL	int(1)	NO		0	
d IS NOT NULL	int(1)	NO		0	
ISNULL(d)	int(1)	NO		0	
create view view_24532_b as
select
a IS TRUE,
if(ifnull(a, 0), 1, 0) as old_istrue,
a IS NOT TRUE,
if(ifnull(a, 0), 0, 1) as old_isnottrue,
a IS FALSE,
if(ifnull(a, 1), 0, 1) as old_isfalse,
a IS NOT FALSE,
if(ifnull(a, 1), 1, 0) as old_isnotfalse
from table_24532;
describe view_24532_b;
Field	Type	Null	Key	Default	Extra
a IS TRUE	int(1)	NO		0	
old_istrue	int(1)	NO		0	
a IS NOT TRUE	int(1)	NO		0	
old_isnottrue	int(1)	NO		0	
a IS FALSE	int(1)	NO		0	
old_isfalse	int(1)	NO		0	
a IS NOT FALSE	int(1)	NO		0	
old_isnotfalse	int(1)	NO		0	
show create view view_24532_b;
View	Create View	character_set_client	collation_connection
view_24532_b	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `view_24532_b` AS select `table_24532`.`a` is true AS `a IS TRUE`,if(ifnull(`table_24532`.`a`,0),1,0) AS `old_istrue`,`table_24532`.`a` is not true AS `a IS NOT TRUE`,if(ifnull(`table_24532`.`a`,0),0,1) AS `old_isnottrue`,`table_24532`.`a` is false AS `a IS FALSE`,if(ifnull(`table_24532`.`a`,1),0,1) AS `old_isfalse`,`table_24532`.`a` is not false AS `a IS NOT FALSE`,if(ifnull(`table_24532`.`a`,1),1,0) AS `old_isnotfalse` from `table_24532`	latin1	latin1_swedish_ci
insert into table_24532 values (0, 0, 0, 0);
select * from view_24532_b;
a IS TRUE	old_istrue	a IS NOT TRUE	old_isnottrue	a IS FALSE	old_isfalse	a IS NOT FALSE	old_isnotfalse
0	0	1	1	1	1	0	0
update table_24532 set a=1;
select * from view_24532_b;
a IS TRUE	old_istrue	a IS NOT TRUE	old_isnottrue	a IS FALSE	old_isfalse	a IS NOT FALSE	old_isnotfalse
1	1	0	0	0	0	1	1
update table_24532 set a=NULL;
select * from view_24532_b;
a IS TRUE	old_istrue	a IS NOT TRUE	old_isnottrue	a IS FALSE	old_isfalse	a IS NOT FALSE	old_isnotfalse
0	0	1	1	0	0	1	1
drop view view_24532_a;
drop view view_24532_b;
drop table table_24532;
CREATE TABLE t1 (
lid int NOT NULL PRIMARY KEY,
name char(10) NOT NULL
);
INSERT INTO t1 (lid, name) VALUES
(1, 'YES'), (2, 'NO');
CREATE TABLE t2 (
id int NOT NULL PRIMARY KEY,
gid int NOT NULL,
lid int NOT NULL,
dt date
);
INSERT INTO t2 (id, gid, lid, dt) VALUES
(1, 1, 1, '2007-01-01'),(2, 1, 2, '2007-01-02'),
(3, 2, 2, '2007-02-01'),(4, 2, 1, '2007-02-02');
SELECT DISTINCT t2.gid AS lgid,
(SELECT t1.name FROM t1, t2
WHERE t1.lid  = t2.lid AND t2.gid = lgid
ORDER BY t2.dt DESC LIMIT 1
) as clid
FROM t2;
lgid	clid
1	NO
2	YES
CREATE VIEW v1 AS
SELECT DISTINCT t2.gid AS lgid,
(SELECT t1.name FROM t1, t2
WHERE t1.lid  = t2.lid AND t2.gid = lgid
ORDER BY t2.dt DESC LIMIT 1
) as clid
FROM t2;
SELECT * FROM v1;
lgid	clid
1	NO
2	YES
DROP VIEW v1;
DROP table t1,t2;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
CREATE VIEW v1 AS SELECT a FROM t1 ORDER BY a;
SELECT * FROM t1 UNION SELECT * FROM v1;
a
1
2
3
EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	
2	UNION	t1	ALL	NULL	NULL	NULL	NULL	3	
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	
SELECT * FROM v1 UNION SELECT * FROM t1;
a
1
2
3
EXPLAIN SELECT * FROM v1 UNION SELECT * FROM t1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	
2	UNION	t1	ALL	NULL	NULL	NULL	NULL	3	
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	
SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;
a
1
2
3
EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	
2	UNION	t1	ALL	NULL	NULL	NULL	NULL	3	
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	Using filesort
DROP VIEW v1;
DROP TABLE t1;
CREATE VIEW v1 AS SELECT CAST( 1.23456789 AS DECIMAL( 7,5 ) ) AS col;
SELECT * FROM v1;
col
1.23457
DESCRIBE v1;
Field	Type	Null	Key	Default	Extra
col	decimal(7,5)	NO		0.00000	
DROP VIEW v1;
CREATE VIEW v1 AS SELECT CAST(1.23456789 AS DECIMAL(8,0)) AS col;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select cast(1.23456789 as decimal(8,0)) AS `col`	latin1	latin1_swedish_ci
DROP VIEW v1;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (b INT, c INT DEFAULT 0);
INSERT INTO t1 (a) VALUES (1), (2);
INSERT INTO t2 (b) VALUES (1), (2);
CREATE VIEW v1 AS SELECT t2.b,t2.c FROM t1, t2
WHERE t1.a=t2.b AND t2.b < 3 WITH CHECK OPTION;
SELECT * FROM v1;
b	c
1	0
2	0
UPDATE v1 SET c=1 WHERE b=1;
SELECT * FROM v1;
b	c
1	1
2	0
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (id int);
CREATE TABLE t2 (id int, c int DEFAULT 0);
INSERT INTO t1 (id) VALUES (1);
INSERT INTO t2 (id) VALUES (1);
CREATE VIEW v1 AS
SELECT t2.c FROM t1, t2
WHERE t1.id=t2.id AND 1 IN (SELECT id FROM t1) WITH CHECK OPTION;
UPDATE v1 SET c=1;
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (a1 INT, c INT DEFAULT 0);
CREATE TABLE t2 (a2 INT);
CREATE TABLE t3 (a3 INT);
CREATE TABLE t4 (a4 INT);
INSERT INTO t1 (a1) VALUES (1),(2);
INSERT INTO t2 (a2) VALUES (1),(2);
INSERT INTO t3 (a3) VALUES (1),(2);
INSERT INTO t4 (a4) VALUES (1),(2);
CREATE VIEW v1 AS
SELECT t1.a1, t1.c FROM t1 JOIN t2 ON t1.a1=t2.a2 AND t1.c < 3
WITH CHECK OPTION;
SELECT * FROM v1;
a1	c
1	0
2	0
UPDATE v1 SET c=3;
ERROR 44000: CHECK OPTION failed `test`.`v1`
PREPARE t FROM 'UPDATE v1 SET c=3';
EXECUTE t;
ERROR 44000: CHECK OPTION failed `test`.`v1`
EXECUTE t;
ERROR 44000: CHECK OPTION failed `test`.`v1`
INSERT INTO v1(a1, c) VALUES (3, 3);
ERROR 44000: CHECK OPTION failed `test`.`v1`
UPDATE v1 SET c=1 WHERE a1=1;
SELECT * FROM v1;
a1	c
1	1
2	0
SELECT * FROM t1;
a1	c
1	1
2	0
CREATE VIEW v2 AS SELECT t1.a1, t1.c
FROM (t1 JOIN t2 ON t1.a1=t2.a2 AND t1.c < 3)
JOIN (t3 JOIN t4 ON t3.a3=t4.a4)
ON t2.a2=t3.a3 WITH CHECK OPTION;
SELECT * FROM v2;
a1	c
1	1
2	0
UPDATE v2 SET c=3;
ERROR 44000: CHECK OPTION failed `test`.`v2`
PREPARE t FROM 'UPDATE v2 SET c=3';
EXECUTE t;
ERROR 44000: CHECK OPTION failed `test`.`v2`
EXECUTE t;
ERROR 44000: CHECK OPTION failed `test`.`v2`
INSERT INTO v2(a1, c) VALUES (3, 3);
ERROR 44000: CHECK OPTION failed `test`.`v2`
UPDATE v2 SET c=2 WHERE a1=1;
SELECT * FROM v2;
a1	c
1	2
2	0
SELECT * FROM t1;
a1	c
1	2
2	0
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3,t4;
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (1,2), (2,2), (1,3), (1,2);
CREATE VIEW v1 AS SELECT a, b+1 as b FROM t1;
SELECT b, SUM(a) FROM v1 WHERE b=3 GROUP BY b;
b	SUM(a)
3	4
EXPLAIN SELECT b, SUM(a) FROM v1 WHERE b=3 GROUP BY b;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
SELECT a, SUM(b) FROM v1 WHERE b=3 GROUP BY a;
a	SUM(b)
1	6
2	3
EXPLAIN SELECT a, SUM(b) FROM v1 WHERE b=3 GROUP BY a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where; Using temporary; Using filesort
SELECT a, SUM(b) FROM v1 WHERE a=1 GROUP BY a;
a	SUM(b)
1	10
EXPLAIN SELECT a, SUM(b) FROM v1 WHERE a=1 GROUP BY a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	Using where
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (
person_id int NOT NULL PRIMARY KEY,
username varchar(40) default NULL,
status_flg char(1) NOT NULL default 'A'
);
CREATE TABLE t2 (
person_role_id int NOT NULL auto_increment PRIMARY KEY,
role_id int NOT NULL,
person_id int NOT NULL,
INDEX idx_person_id (person_id),
INDEX idx_role_id (role_id)
);
CREATE TABLE t3 (
role_id int NOT NULL auto_increment PRIMARY KEY,
role_name varchar(100) default NULL,
app_name varchar(40) NOT NULL,
INDEX idx_app_name(app_name)
);
CREATE VIEW v1 AS
SELECT profile.person_id AS person_id
FROM t1 profile, t2 userrole, t3 role
WHERE userrole.person_id = profile.person_id AND
role.role_id = userrole.role_id AND
profile.status_flg = 'A'
  ORDER BY profile.person_id,role.app_name,role.role_name;
INSERT INTO  t1 VALUES
(6,'Sw','A'), (-1136332546,'ols','e'), (0,'    *\n','0'),
(-717462680,'ENTS Ta','0'), (-904346964,'ndard SQL\n','0');
INSERT INTO t2 VALUES
(1,3,6),(2,4,7),(3,5,8),(4,6,9),(5,1,6),(6,1,7),(7,1,8),(8,1,9),(9,1,10);
INSERT INTO t3 VALUES
(1,'NUCANS_APP_USER','NUCANSAPP'),(2,'NUCANS_TRGAPP_USER','NUCANSAPP'),
(3,'IA_INTAKE_COORDINATOR','IACANS'),(4,'IA_SCREENER','IACANS'),
(5,'IA_SUPERVISOR','IACANS'),(6,'IA_READONLY','IACANS'),
(7,'SOC_USER','SOCCANS'),(8,'CAYIT_USER','CAYITCANS'),
(9,'RTOS_DCFSPOS_SUPERVISOR','RTOS');
EXPLAIN SELECT t.person_id AS a, t.person_id AS b FROM v1 t WHERE t.person_id=6;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	profile	const	PRIMARY	PRIMARY	4	const	1	Using temporary; Using filesort
1	SIMPLE	userrole	ref	idx_person_id,idx_role_id	idx_person_id	4	const	2	
1	SIMPLE	role	eq_ref	PRIMARY	PRIMARY	4	test.userrole.role_id	1	
SELECT t.person_id AS a, t.person_id AS b FROM v1 t WHERE t.person_id=6;
a	b
6	6
6	6
DROP VIEW v1;
DROP TABLE t1,t2,t3;
create table t1 (i int);
insert into t1 values (1), (2), (1), (3), (2), (4);
create view v1 as select distinct i from t1;
select * from v1;
i
1
2
3
4
select table_name, is_updatable from information_schema.views
where table_name = 'v1';
table_name	is_updatable
v1	NO
drop view v1;
drop table t1;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM v1 USE KEY(non_existant);
ERROR 42000: Key 'non_existant' doesn't exist in table 'v1'
SELECT * FROM v1 FORCE KEY(non_existant);
ERROR 42000: Key 'non_existant' doesn't exist in table 'v1'
SELECT * FROM v1 IGNORE KEY(non_existant);
ERROR 42000: Key 'non_existant' doesn't exist in table 'v1'
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, b INT NOT NULL DEFAULT 0,
PRIMARY KEY(a), KEY (b));
INSERT INTO t1 VALUES (),(),(),(),(),(),(),(),(),(),(),(),(),(),();
CREATE VIEW v1 AS SELECT * FROM t1 FORCE KEY (PRIMARY,b) ORDER BY a;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` FORCE INDEX (PRIMARY) FORCE INDEX (`b`) order by `t1`.`a`	latin1	latin1_swedish_ci
EXPLAIN SELECT * FROM v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	15	
CREATE VIEW v2 AS SELECT * FROM t1 USE KEY () ORDER BY a;
SHOW CREATE VIEW v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` USE INDEX () order by `t1`.`a`	latin1	latin1_swedish_ci
EXPLAIN SELECT * FROM v2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	15	Using filesort
CREATE VIEW v3 AS SELECT * FROM t1 IGNORE KEY (b) ORDER BY a;
SHOW CREATE VIEW v3;
View	Create View	character_set_client	collation_connection
v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t1`.`a` AS `a`,`t1`.`b` AS `b` from `t1` IGNORE INDEX (`b`) order by `t1`.`a`	latin1	latin1_swedish_ci
EXPLAIN SELECT * FROM v3;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	15	Using filesort
DROP VIEW v1;
DROP VIEW v2;
DROP VIEW v3;
DROP TABLE t1;
#
# Bug#29477 Not all fields of the target table were checked to have
#           a default value when inserting into a view.
#
create table t1(f1 int, f2 int not null);
create view v1 as select f1 from t1;
insert ignore into v1 values(1);
Warnings:
Warning	1423	Field of view 'test.v1' underlying table doesn't have a default value
set @old_mode=@@sql_mode;
set @@sql_mode=traditional;
insert into v1 values(1);
ERROR HY000: Field of view 'test.v1' underlying table doesn't have a default value
set @@sql_mode=@old_mode;
drop view v1;
drop table t1;
create table t1 (a int, key(a));
create table t2 (c int);
create view v1 as select a b from t1;
create view v2 as select 1 a from t2, v1 where c in
(select 1 from t1 where b = a);
insert into t1 values (1), (1);
insert into t2 values (1), (1);
prepare stmt from "select * from v2 where a = 1";
execute stmt;
a
1
1
1
1
drop view v1, v2;
drop table t1, t2;
CREATE TABLE t1 (a INT);
CREATE VIEW v1 AS SELECT p.a AS a FROM t1 p, t1 q;
INSERT INTO t1 VALUES (1), (1);
SELECT MAX(a), COUNT(DISTINCT a) FROM v1 GROUP BY a;
MAX(a)	COUNT(DISTINCT a)
1	1
DROP VIEW v1;
DROP TABLE t1;
# -----------------------------------------------------------------
# -- Bug#34337 Server crash when Altering a view using a table name.
# -----------------------------------------------------------------

DROP TABLE IF EXISTS t1;

CREATE TABLE t1(c1 INT);

SELECT * FROM t1;
c1
ALTER ALGORITHM=TEMPTABLE SQL SECURITY INVOKER VIEW t1 (c2) AS SELECT (1);
ERROR HY000: 'test.t1' is not of type 'VIEW'

DROP TABLE t1;

# -- End of test case for Bug#34337.

# -----------------------------------------------------------------
# -- Bug#35193 VIEW query is rewritten without "FROM DUAL",
# --           causing syntax error
# -----------------------------------------------------------------

CREATE VIEW v1 AS SELECT 1 FROM DUAL WHERE 1;

SELECT * FROM v1;
1
1
SHOW CREATE TABLE v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `1` from DUAL  where 1	latin1	latin1_swedish_ci

DROP VIEW v1;

# -- End of test case for Bug#35193.

CREATE VIEW v1 AS SELECT 1;
DROP VIEW v1;
CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 INT, INDEX (c2));
INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
SELECT * FROM t1 USE INDEX (PRIMARY) WHERE c1=2;
c1	c2
2	2
SELECT * FROM t1 USE INDEX (c2) WHERE c2=2;
c1	c2
2	2
CREATE VIEW v1 AS SELECT c1, c2 FROM t1;
SHOW INDEX FROM v1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Ignored
SELECT * FROM v1 USE INDEX (PRIMARY) WHERE c1=2;
ERROR 42000: Key 'PRIMARY' doesn't exist in table 'v1'
SELECT * FROM v1 FORCE INDEX (PRIMARY) WHERE c1=2;
ERROR 42000: Key 'PRIMARY' doesn't exist in table 'v1'
SELECT * FROM v1 IGNORE INDEX (PRIMARY) WHERE c1=2;
ERROR 42000: Key 'PRIMARY' doesn't exist in table 'v1'
SELECT * FROM v1 USE INDEX (c2) WHERE c2=2;
ERROR 42000: Key 'c2' doesn't exist in table 'v1'
SELECT * FROM v1 FORCE INDEX (c2) WHERE c2=2;
ERROR 42000: Key 'c2' doesn't exist in table 'v1'
SELECT * FROM v1 IGNORE INDEX (c2) WHERE c2=2;
ERROR 42000: Key 'c2' doesn't exist in table 'v1'
DROP VIEW v1;
DROP TABLE t1;
# 
# Bug #45806 crash when replacing into a view with a join!
# 
CREATE TABLE t1(a INT UNIQUE);
CREATE VIEW v1 AS SELECT t1.a FROM t1, t1 AS a;
INSERT INTO t1 VALUES (1), (2);
REPLACE INTO v1(a) SELECT 1 FROM t1,t1 AS c;
SELECT * FROM v1;
a
1
2
1
2
REPLACE INTO v1(a) SELECT 3 FROM t1,t1 AS c;
SELECT * FROM v1;
a
1
2
3
1
2
3
1
2
3
DELETE FROM t1 WHERE a=3;
INSERT INTO v1(a) SELECT 1 FROM t1,t1 AS c
ON DUPLICATE KEY UPDATE `v1`.`a`= 1;
SELECT * FROM v1;
a
1
2
1
2
CREATE VIEW v2 AS SELECT t1.a FROM t1, v1 AS a;
REPLACE INTO v2(a) SELECT 1 FROM t1,t1 AS c;
SELECT * FROM v2 order by 1;
a
1
1
1
1
2
2
2
2
REPLACE INTO v2(a) SELECT 3 FROM t1,t1 AS c;
SELECT * FROM v2 order by 1;
a
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
INSERT INTO v2(a) SELECT 1 FROM t1,t1 AS c
ON DUPLICATE KEY UPDATE `v2`.`a`= 1;
SELECT * FROM v2 order by 1;
a
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
DROP VIEW v1;
DROP VIEW v2;
DROP TABLE t1;
# -- End of test case for Bug#45806
# -----------------------------------------------------------------
# -- Bug#40825: Error 1356 while selecting from a view 
# --            with a "HAVING" clause though query works
# -----------------------------------------------------------------

CREATE TABLE t1 (c INT);

CREATE VIEW v1 (view_column) AS SELECT c AS alias FROM t1 HAVING alias;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`c` AS `view_column` from `t1` having `view_column` is true	latin1	latin1_swedish_ci
SELECT * FROM v1;
view_column

DROP VIEW v1;
DROP TABLE t1;

# -- End of test case for Bug#40825

# -----------------------------------------------------------------
# -- End of 5.0 tests.
# -----------------------------------------------------------------
DROP DATABASE IF EXISTS `d-1`;
CREATE DATABASE `d-1`;
USE `d-1`;
CREATE TABLE `t-1` (c1 INT);
CREATE VIEW  `v-1` AS SELECT c1 FROM `t-1`;
SHOW TABLES;
Tables_in_d-1
t-1
v-1
RENAME TABLE `t-1` TO `t-2`;
RENAME TABLE `v-1` TO `v-2`;
SHOW TABLES;
Tables_in_d-1
t-2
v-2
DROP TABLE `t-2`;
DROP VIEW  `v-2`;
DROP DATABASE `d-1`;
USE test;

#
# Bug#26676 VIEW using old table schema in a session.
#

DROP VIEW IF EXISTS v1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(c1 INT, c2 INT);
INSERT INTO t1 VALUES (1, 2), (3, 4);

SELECT * FROM t1;
c1	c2
1	2
3	4

CREATE VIEW v1 AS SELECT * FROM t1;

SELECT * FROM v1;
c1	c2
1	2
3	4

ALTER TABLE t1 ADD COLUMN c3 INT AFTER c2;

SELECT * FROM t1;
c1	c2	c3
1	2	NULL
3	4	NULL

SELECT * FROM v1;
c1	c2
1	2
3	4

SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`c1` AS `c1`,`t1`.`c2` AS `c2` from `t1`	latin1	latin1_swedish_ci

DROP VIEW v1;
DROP TABLE t1;

# End of test case for Bug#26676.

# -----------------------------------------------------------------
# -- Bug#32538 View definition picks up character set, but not collation
# -----------------------------------------------------------------

DROP VIEW IF EXISTS v1;

SET collation_connection = latin1_general_ci;
CREATE VIEW v1 AS SELECT _latin1 'text1' AS c1, 'text2' AS c2;

SELECT COLLATION(c1), COLLATION(c2) FROM v1;
COLLATION(c1)	COLLATION(c2)
latin1_swedish_ci	latin1_general_ci

SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select _latin1'text1' AS `c1`,'text2' AS `c2`	latin1	latin1_general_ci

SELECT * FROM v1 WHERE c1 = 'text1';
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin1_general_ci,COERCIBLE) for operation '='

SELECT * FROM v1 WHERE c2 = 'text2';
c1	c2
text1	text2

use test;
SET names latin1;

SELECT COLLATION(c1), COLLATION(c2) FROM v1;
COLLATION(c1)	COLLATION(c2)
latin1_swedish_ci	latin1_general_ci

SELECT * FROM v1 WHERE c1 = 'text1';
c1	c2
text1	text2

SELECT * FROM v1 WHERE c2 = 'text2';
ERROR HY000: Illegal mix of collations (latin1_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation '='

DROP VIEW v1;

# -- End of test case for Bug#32538.

drop view if exists a;
drop procedure if exists p;
create procedure p()
begin
declare continue handler for sqlexception begin end;
create view a as select 1;
end|
call p();
call p();
drop view a;
drop procedure p;
#
# Bug #44860: ALTER TABLE on view crashes server
#
CREATE TABLE t1 (a INT);
CREATE VIEW v1 AS SELECT a FROM t1;
ALTER TABLE v1;
ERROR HY000: 'test.v1' is not of type 'BASE TABLE'
DROP VIEW v1;
DROP TABLE t1;
#
# Bug#48449: hang on show create view after upgrading when
#            view contains function of view
#
DROP VIEW IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2;
DROP FUNCTION IF EXISTS f1;
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
CREATE FUNCTION f1() RETURNS INT
BEGIN
SELECT a FROM v2 INTO @a;
RETURN @a;
END//
# Trigger pre-locking when opening v2.
CREATE VIEW v1 AS SELECT f1() FROM t1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `f1`() AS `f1()` from `t1`	latin1	latin1_swedish_ci
Warnings:
Note	1599	View `test`.`v2` has no creation context
DROP VIEW v1,v2;
DROP TABLE t1,t2;
DROP FUNCTION f1;
CREATE TABLE t1(f1 INT);
INSERT INTO t1 VALUES ();
CREATE VIEW v1 AS SELECT 1 FROM t1 WHERE
ROW(1,1) >= ROW(1, (SELECT 1 FROM t1 WHERE  f1 >= ANY ( SELECT '1' )));
DROP VIEW v1;
DROP TABLE t1;
#
# Bug#52120 create view cause Assertion failed: 0, file .\item_subselect.cc, line 817
#
CREATE TABLE t1 (a CHAR(1) CHARSET latin1, b CHAR(1) CHARSET utf8);
CREATE VIEW v1 AS SELECT 1 from t1
WHERE t1.b <=> (SELECT a FROM t1 WHERE a < SOME(SELECT '1'));
DROP VIEW v1;
DROP TABLE t1;
#
# Bug#57703 create view cause Assertion failed: 0, file .\item_subselect.cc, line 846
#
CREATE TABLE t1(a int);
CREATE VIEW v1 AS SELECT 1 FROM t1 GROUP BY
SUBSTRING(1 FROM (SELECT 3 FROM t1 WHERE a >= ANY(SELECT 1)));
DROP VIEW v1;
DROP TABLE t1;
#
# Bug#57352 valgrind warnings when creating view
#
CREATE VIEW v1 AS SELECT 1 IN (1 LIKE 2,0) AS f;
DROP VIEW v1;
#
# Bug 11829681 - 60295: ERROR 1356 ON VIEW THAT EXECUTES FINE AS A QUERY
#
CREATE TABLE t1 (a INT);
CREATE VIEW v1 AS SELECT s.* FROM t1 s, t1 b HAVING a;
SELECT * FROM v1;
a
DROP VIEW v1;
DROP TABLE t1;
#
# LP BUG#777809 (a retrograded condition for view ON)
#
CREATE TABLE t1 ( f1 int NOT NULL , f6 int NOT NULL ) ;
INSERT IGNORE INTO t1 VALUES (20, 2);
CREATE TABLE t2 ( f3 int NOT NULL ) ;
INSERT IGNORE INTO t2 VALUES (7);
CREATE OR REPLACE VIEW v2 AS SELECT * FROM t2;
PREPARE prep_stmt FROM 'SELECT t1.f6 FROM t1 RIGHT JOIN v2 ON v2.f3 WHERE t1.f1 != 0';
EXECUTE prep_stmt;
f6
2
EXECUTE prep_stmt;
f6
2
drop view v2;
drop table t1,t2;
# -----------------------------------------------------------------
# -- End of 5.1 tests.
# -----------------------------------------------------------------
#
# Bug #794005: crash in st_table::mark_virtual_columns_for_write
#
CREATE TABLE t1 (a int);
insert into t1 values (1);
CREATE TABLE t2 (a int);
insert into t2 values (1);
CREATE VIEW v2 AS SELECT * FROM t2;
CREATE VIEW v1 AS SELECT * FROM v2;
CREATE VIEW v3 AS SELECT t2.a,v1.a as b FROM t2,v1 where t2.a=v1.a;
CREATE OR REPLACE ALGORITHM = TEMPTABLE VIEW v2 AS SELECT * FROM t1;
UPDATE v1 SET a = 10;
ERROR HY000: The target table v1 of the UPDATE is not updatable
REPLACE v1 SET a = 10;
ERROR HY000: The target table v1 of the INSERT is not insertable-into
INSERT into v1 values (20);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
DELETE from v1;
ERROR HY000: The target table v1 of the DELETE is not updatable
UPDATE v3 SET b= 10;
ERROR HY000: The target table v3 of the UPDATE is not updatable
REPLACE v3 SET b= 10;
ERROR HY000: The target table v3 of the INSERT is not insertable-into
INSERT into v3(b) values (20);
ERROR HY000: The target table v3 of the INSERT is not insertable-into
DELETE from v3 where b=20;
ERROR HY000: Can not delete from join view 'test.v3'
DELETE from v3 where a=20;
ERROR HY000: Can not delete from join view 'test.v3'
DELETE v1 from v1,t1 where v1.a=t1.a;
ERROR HY000: The target table v1 of the DELETE is not updatable
UPDATE v3 SET a = 10;
REPLACE v3 SET a = 11;
INSERT INTO v3(a) values (20);
select * from t1;
a
1
select * from t2;
a
10
11
20
CREATE OR REPLACE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM t2;
DELETE from v1 where a=11;
DELETE v1 from v1,t1 where v1.a=t1.a;
select * from t1;
a
1
select * from t2;
a
10
20
DROP VIEW v1,v2,v3;
DROP TABLE t1,t2;
#
# MDEV-6251: SIGSEGV in query optimizer (in set_check_materialized 
# with MERGE view)
#
CREATE TABLE t1 (a1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE t2 (b1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE t3 (c1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE t4 (d1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE t5 (e1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE TABLE t6 (f1 INT(11) NOT NULL DEFAULT NULL AUTO_INCREMENT PRIMARY KEY);
CREATE OR REPLACE view v1 AS
SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
;
SELECT 1
FROM ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t1)
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t2) ON 1=1
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t3) ON 1=1
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t4) ON 1=1
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t5) ON 1=1
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t6) ON 1=1
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t7) ON 1=1
LEFT OUTER JOIN ((  SELECT 1
FROM t1 a_alias_1
LEFT JOIN (t2 b_alias_1 JOIN t1 a_alias_2) ON b_alias_1.b1 = a_alias_1.a1 AND a_alias_2.a1 = a_alias_1.a1
LEFT JOIN t3 c_alias_1 ON c_alias_1.c1 = a_alias_1.a1
LEFT JOIN t4 d_alias_1 ON d_alias_1.d1 = a_alias_1.a1
LEFT JOIN t3 c_alias_2 ON c_alias_2.c1 = a_alias_1.a1
LEFT JOIN t5 e_alias_1 ON e_alias_1.e1 = a_alias_1.a1
LEFT JOIN t6 f_alias_1 ON f_alias_1.f1 = a_alias_1.a1
) t8) ON 1=1
;
1
SELECT 1
FROM (v1 t1)
LEFT OUTER JOIN (v1 t2) ON 1=1
LEFT OUTER JOIN (v1 t3) ON 1=1
LEFT OUTER JOIN (v1 t4) ON 1=1
LEFT OUTER JOIN (v1 t5) ON 1=1
LEFT OUTER JOIN (v1 t6) ON 1=1
LEFT OUTER JOIN (v1 t7) ON 1=1
LEFT OUTER JOIN (v1 t8) ON 1=1
;
1
drop view v1;
drop table t1,t2,t3,t4,t5,t6;
# -----------------------------------------------------------------
# -- End of 5.2 tests.
# -----------------------------------------------------------------
#
# Bug #59696 Optimizer does not use equalities for conditions over view 
#
CREATE TABLE t1 (a int NOT NULL);
INSERT INTO t1 VALUES 
(9), (2), (8), (1), (3), (4), (2), (5),
(9), (2), (8), (1), (3), (4), (2), (5);
CREATE TABLE t2 (pk int PRIMARY KEY, c int NOT NULL);
INSERT INTO t2 VALUES
(9,90), (16, 160), (11,110), (1,10), (18,180), (2,20),
(14,140), (15, 150), (12,120), (3,30), (17,170), (19,190);
EXPLAIN EXTENDED
SELECT t1.a,t2.c  FROM t1,t2 WHERE t2.pk = t1.a AND t2.pk > 8;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	12	75.00	Using where
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	16	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`pk` and `test`.`t2`.`pk` > 8
FLUSH STATUS;
SELECT t1.a,t2.c  FROM t1,t2 WHERE t2.pk = t1.a AND t2.pk > 8;
a	c
9	90
9	90
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	0
Handler_read_last	0
Handler_read_next	0
Handler_read_prev	0
Handler_read_retry	0
Handler_read_rnd	0
Handler_read_rnd_deleted	0
Handler_read_rnd_next	30
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
explain extended SELECT t1.a,t2.c  FROM t1,t2 WHERE t2.pk = t1.a AND t2.pk > 8;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	16	12.50	Using where
1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	100.00	
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`a` and `test`.`t1`.`a` > 8
CREATE VIEW v AS SELECT * FROM t2;
EXPLAIN EXTENDED
SELECT t1.a,v.c  FROM t1,v WHERE v.pk = t1.a AND v.pk > 8;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t2	ALL	PRIMARY	NULL	NULL	NULL	12	75.00	Using where
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	16	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`pk` and `test`.`t2`.`pk` > 8
FLUSH STATUS;
SELECT t1.a,v.c  FROM t1,v WHERE v.pk = t1.a AND v.pk > 8;
a	c
9	90
9	90
SHOW STATUS LIKE 'Handler_read_%';
Variable_name	Value
Handler_read_first	0
Handler_read_key	0
Handler_read_last	0
Handler_read_next	0
Handler_read_prev	0
Handler_read_retry	0
Handler_read_rnd	0
Handler_read_rnd_deleted	0
Handler_read_rnd_next	30
set statement optimizer_where_cost=100 FOR explain extended SELECT t1.a,v.c  FROM t1,v WHERE v.pk = t1.a AND v.pk > 8;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	16	100.00	Using where
1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.a	1	100.00	
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`a` and `test`.`t1`.`a` > 8
DROP VIEW v;
DROP TABLE t1, t2;
#
# Bug#702403: crash with multiple equalities and a view
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (10);
CREATE TABLE t2 (pk int PRIMARY KEY, b int, INDEX idx (b));
INSERT INTO t2 VALUES (1,2), (3,4);
CREATE TABLE t3 (pk int PRIMARY KEY, b int, INDEX idx (b));
INSERT INTO t3 VALUES (1,2), (3,4);
CREATE VIEW v1 AS SELECT * FROM t1;
EXPLAIN 
SELECT * FROM v1, t2, t3 
WHERE t3.pk = v1.a AND t2.b = 1 AND t2.b = t3.pk AND v1.a BETWEEN 2 AND 5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
SELECT * FROM v1, t2, t3 
WHERE t3.pk = v1.a AND t2.b = 1 AND t2.b = t3.pk AND v1.a BETWEEN 2 AND 5;
a	pk	b	pk	b
DROP VIEW v1;
DROP TABLE t1, t2, t3;
#
# Bug#717577: substitution for best field in a query over a view and
#             with OR in the WHERE condition 
#
create table t1 (a int, b int);
insert into t1 values (2,4), (1,3);
create table t2 (c int);
insert into t2 values (6), (4), (1), (3), (8), (3), (4), (2);
select * from t1,t2 where t2.c=t1.a and t2.c < 3 or t2.c=t1.b and t2.c >=4;
a	b	c
2	4	4
1	3	1
2	4	4
2	4	2
explain extended
select * from t1,t2 where t2.c=t1.a and t2.c < 3 or t2.c=t1.b and t2.c >=4;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`c` = `test`.`t1`.`a` and `test`.`t1`.`a` < 3 or `test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t1`.`b` >= 4
create view v1 as select * from t2;
select * from t1,v1 where v1.c=t1.a and v1.c < 3 or v1.c=t1.b and v1.c >=4;
a	b	c
2	4	4
1	3	1
2	4	4
2	4	2
explain extended
select * from t1,v1 where v1.c=t1.a and v1.c < 3 or v1.c=t1.b and v1.c >=4;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`c` = `test`.`t1`.`a` and `test`.`t1`.`a` < 3 or `test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t1`.`b` >= 4
create view v2 as select * from v1;
select * from t1,v2 where v2.c=t1.a and v2.c < 3 or v2.c=t1.b and v2.c >=4;
a	b	c
2	4	4
1	3	1
2	4	4
2	4	2
explain extended
select * from t1,v2 where v2.c=t1.a and v2.c < 3 or v2.c=t1.b and v2.c >=4;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`c` = `test`.`t1`.`a` and `test`.`t1`.`a` < 3 or `test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t1`.`b` >= 4
create view v3 as select * from t1;
select * from v3,v2 where v2.c=v3.a and v2.c < 3 or v2.c=v3.b and v2.c >=4;
a	b	c
2	4	4
1	3	1
2	4	4
2	4	2
explain extended
select * from v3,v2 where v2.c=v3.a and v2.c < 3 or v2.c=v3.b and v2.c >=4;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where; Using join buffer (flat, BNL join)
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`c` = `test`.`t1`.`a` and `test`.`t1`.`a` < 3 or `test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t1`.`b` >= 4
drop view v1,v2,v3;
drop table t1,t2;
#
# Bug#724942: substitution of the constant into a view field
#              
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (2), (9), (9), (6), (5), (4), (7);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM v1 WHERE a > -1 OR a > 6 AND a = 3;
a
2
9
9
6
5
4
7
EXPLAIN EXTENDED
SELECT * FROM v1 WHERE a > -1 OR a > 6 AND a = 3;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > -1
SELECT * FROM v1 WHERE a > -1 OR a AND a = 0;
a
2
9
9
6
5
4
7
EXPLAIN EXTENDED
SELECT * FROM v1 WHERE a > -1 OR a AND a = 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > -1
CREATE VIEW v2 AS SELECT * FROM v1;
SELECT * FROM v2 WHERE a > -1 OR a AND a = 0;
a
2
9
9
6
5
4
7
EXPLAIN EXTENDED
SELECT * FROM v2 WHERE a > -1 OR a AND a = 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	7	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > -1
DROP VIEW v1,v2;
DROP TABLE t1;
CREATE TABLE t1 (a varchar(10), KEY (a)) ;
INSERT INTO t1 VALUES
('DD'), ('ZZ'), ('ZZ'), ('KK'), ('FF'), ('HH'), ('MM'),
('AA'), ('DD'), ('CC'), ('GG');
CREATE VIEW v1 AS SELECT * FROM t1;
# t1 and v1 should return the same result set
SELECT * FROM v1 WHERE a > 'JJ' OR a <> 0 AND a = 'VV';
a
KK
MM
ZZ
ZZ
SELECT * FROM t1 WHERE a > 'JJ' OR a <> 0 AND a = 'VV';
a
KK
MM
ZZ
ZZ
# t1 and v1 should propagate constants in the same way
EXPLAIN EXTENDED
SELECT * FROM v1 WHERE a > 'JJ' OR a <> 0 AND a = 'VV';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	13	NULL	4	100.00	Using where; Using index
Warnings:
Note	1105	Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` < "0" of type `int`
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > 'JJ' or `test`.`t1`.`a` = 'VV' and `test`.`t1`.`a` <> 0
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE a > 'JJ' OR a <> 0 AND a = 'VV';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	13	NULL	4	100.00	Using where; Using index
Warnings:
Note	1105	Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` < "0" of type `int`
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > 'JJ' or `test`.`t1`.`a` = 'VV' and `test`.`t1`.`a` <> 0
# t1 and v1 should return the same result set
SELECT * FROM v1 WHERE a > 'JJ' OR a AND a = 'VV';
a
KK
MM
ZZ
ZZ
SELECT * FROM t1 WHERE a > 'JJ' OR a AND a = 'VV';
a
KK
MM
ZZ
ZZ
# t1 and v1 should propagate constants in the same way
EXPLAIN EXTENDED
SELECT * FROM v1 WHERE a > 'JJ' OR a AND a = 'VV';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	13	NULL	4	100.00	Using where; Using index
Warnings:
Note	1105	Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` < "0" of type `int`
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > 'JJ' or `test`.`t1`.`a` = 'VV' and `test`.`t1`.`a` <> 0
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE a > 'JJ' OR a AND a = 'VV';
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	13	NULL	4	100.00	Using where; Using index
Warnings:
Note	1105	Cannot use key `a` part[0] for lookup: `test`.`t1`.`a` of type `varchar` < "0" of type `int`
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` > 'JJ' or `test`.`t1`.`a` = 'VV' and `test`.`t1`.`a` <> 0
DROP VIEW v1;
DROP TABLE t1;
#
# Bug#777745: crash  with equality propagation 
#             over view fields
#
CREATE TABLE t1 (a int NOT NULL ) ;
INSERT INTO t1 VALUES (2), (1);
CREATE TABLE t2 (a int NOT NULL , b int NOT NULL) ;
INSERT INTO t2 VALUES (2,20),(2,30);
CREATE VIEW  v2 AS SELECT * FROM t2;
EXPLAIN
SELECT * FROM t1,v2 
WHERE v2.a = t1.a AND v2.a = 2 AND v2.a IS NULL AND t1.a != 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
SELECT * FROM t1,v2 
WHERE v2.a = t1.a AND v2.a = 2 AND v2.a IS NULL AND t1.a != 0;
a	a	b
EXPLAIN
SELECT * FROM t1,v2 
WHERE v2.a = t1.a AND v2.a = 2 AND v2.a+1 > 2 AND t1.a != 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
SELECT * FROM t1,v2 
WHERE v2.a = t1.a AND v2.a = 2 AND v2.a+1 > 2 AND t1.a != 0;
a	a	b
2	2	20
2	2	30
DROP VIEW v2;
DROP TABLE t1,t2;
#
# Bug#794038: crash  with INSERT/UPDATE/DELETE 
#             over a non-updatable view
#
CREATE TABLE t1 (a int);
CREATE ALGORITHM = TEMPTABLE VIEW v1 AS SELECT * FROM t1;
CREATE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM v1;
CREATE ALGORITHM = TEMPTABLE VIEW v3 AS SELECT * FROM v2;
INSERT INTO v3 VALUES (1);
ERROR HY000: The target table v3 of the INSERT is not insertable-into
UPDATE v3 SET a=0;
ERROR HY000: The target table v3 of the UPDATE is not updatable
DELETE FROM v3;
ERROR HY000: The target table v3 of the DELETE is not updatable
DROP VIEW v1,v2,v3;
DROP TABLE t1;
#
# Bug#798621: crash with a view string field equal  
#             to a constant
#
CREATE TABLE t1 (a varchar(32), b int) ;
INSERT INTO t1 VALUES ('j', NULL), ('c', 8), ('c', 1);
CREATE VIEW v1 AS SELECT * FROM t1;
CREATE TABLE t2 (a varchar(32)) ;
INSERT INTO t2 VALUES ('j'), ('c');
SELECT * FROM v1 LEFT JOIN t2 ON t2.a = v1.a 
WHERE v1.b = 1 OR v1.a = 'a' AND LENGTH(v1.a) >= v1.b;
a	b	a
c	1	c
EXPLAIN EXTENDED
SELECT * FROM v1 LEFT JOIN t2 ON t2.a = v1.a 
WHERE v1.b = 1 OR v1.a = 'a' AND LENGTH(v1.a) >= v1.b;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`a` = `test`.`t1`.`a`) where `test`.`t1`.`b` = 1 or `test`.`t1`.`a` = 'a' and octet_length(`test`.`t1`.`a`) >= `test`.`t1`.`b`
DROP VIEW v1;
DROP TABLE t1,t2;
# Bug#798625: duplicate of the previous one, but without crash  
CREATE TABLE t1 (f1 int NOT NULL, f2 int, f3 int, f4 varchar(32), f5 int) ;
INSERT INTO t1 VALUES (20,5,2,'r', 0);
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT v1.f4 FROM v1 
WHERE f1<>0 OR f2<>0 AND f4='v' AND (f2<>0 OR f3<>0 AND f5<>0 OR f4 LIKE '%b%');
f4
r
EXPLAIN EXTENDED
SELECT v1.f4 FROM v1 
WHERE f1<>0 OR f2<>0 AND f4='v' AND (f2<>0 OR f3<>0 AND f5<>0 OR f4 LIKE '%b%');
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
Warnings:
Note	1003	select 'r' AS `f4` from dual where 1
DROP VIEW v1;
DROP TABLE t1;
#
# Bug#798576: abort on a GROUP BY query over a view with left join 
#             that can be converted to inner join
#
CREATE TABLE t1 (a int NOT NULL , b int NOT NULL) ;
INSERT INTO t1 VALUES (214,0), (6,6), (6,0), (7,0);
CREATE TABLE t2 (b int) ;
INSERT INTO t2 VALUES (88), (78), (6);
CREATE ALGORITHM=MERGE VIEW v1 AS 
SELECT t1.a, t2.b FROM (t2 LEFT JOIN t1 ON t2.b > t1.a) WHERE t1.b <= 0;
SELECT * FROM v1;
a	b
6	88
6	78
7	88
7	78
SELECT a, MIN(b) FROM v1 GROUP BY a;
a	MIN(b)
6	78
7	78
DROP VIEW v1;
DROP TABLE t1,t2;
#
# LP bug #793386: unexpected 'Duplicate column name ''' error
#                 at the second execution of a PS using a view 
#
CREATE TABLE t1 (f1 int, f2 int, f3 int, f4 int);
CREATE VIEW v1 AS
SELECT t.f1, t.f2, s.f3, s.f4 FROM t1 t, t1 s
WHERE t.f4 >= s.f2 AND s.f3 < 0;
PREPARE stmt1 FROM 
"SELECT s.f1 AS f1, s.f2 AS f2, s.f3 AS f3, t.f4 AS f4
    FROM v1 AS t LEFT JOIN v1 AS s ON t.f4=s.f4 WHERE t.f2 <> 1225";
EXECUTE stmt1;
f1	f2	f3	f4
EXECUTE stmt1;
f1	f2	f3	f4
DEALLOCATE PREPARE stmt1;
DROP VIEW v1;
DROP TABLE t1;
#
# LP BUG#806071 (2 views with ORDER BY)
#
CREATE TABLE t1 (f1 int);
INSERT INTO t1 VALUES (1),(1);
CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT f1 FROM t1;
CREATE ALGORITHM=MERGE VIEW v2 AS SELECT f1 FROM v1 ORDER BY f1;
SELECT * FROM v2 AS a1, v2 AS a2;
f1	f1
1	1
1	1
1	1
1	1
EXPLAIN EXTENDED SELECT * FROM v2 AS a1, v2 AS a2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using temporary; Using filesort
1	PRIMARY	<derived5>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using join buffer (flat, BNL join)
5	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
3	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
Warnings:
Note	1926	View 'test'.'v2' ORDER BY clause ignored because there is other ORDER BY clause already
Note	1003	/* select#1 */ select `v1`.`f1` AS `f1`,`v1`.`f1` AS `f1` from `test`.`v1` join `test`.`v1` order by `v1`.`f1`
DROP VIEW v1, v2;
DROP TABLE t1;
#
# LP bug #823189: dependent subquery with RIGHT JOIN
#                 referencing view in WHERE
#
CREATE TABLE t1 (a varchar(32));
INSERT INTO t1 VALUES ('y'), ('w');
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES (10);
CREATE TABLE t3 (a varchar(32), b int);
CREATE TABLE t4 (a varchar(32));
INSERT INTO t4 VALUES ('y'), ('w');
CREATE VIEW v1 AS SELECT * FROM t1;
EXPLAIN EXTENDED
SELECT * FROM t1, t2
WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a)
WHERE t4.a >= t1.a);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DEPENDENT SUBQUERY	t3	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
2	DEPENDENT SUBQUERY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1276	Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,10 AS `a` from `test`.`t1` where !<expr_cache><10,`test`.`t1`.`a`>(<in_optimizer>(10,<exists>(/* select#2 */ select NULL from `test`.`t4` where `test`.`t4`.`a` >= `test`.`t1`.`a` and trigcond(<cache>(10) = NULL or <cache>(NULL is null)) having trigcond(NULL is null))))
SELECT * FROM t1, t2
WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a)
WHERE t4.a >= t1.a);
a	a
EXPLAIN EXTENDED
SELECT * FROM v1, t2
WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a)
WHERE t4.a >= v1.a);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DEPENDENT SUBQUERY	t3	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
2	DEPENDENT SUBQUERY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1276	Field or reference 'v1.a' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,10 AS `a` from `test`.`t1` where !<expr_cache><10,`test`.`t1`.`a`>(<in_optimizer>(10,<exists>(/* select#2 */ select NULL from `test`.`t4` where `test`.`t4`.`a` >= `test`.`t1`.`a` and trigcond(<cache>(10) = NULL or <cache>(NULL is null)) having trigcond(NULL is null))))
SELECT * FROM v1, t2
WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a)
WHERE t4.a >= v1.a);
a	a
DROP VIEW v1;
DROP TABLE t1,t2,t3,t4;
#
# LP bug #823237: dependent subquery with LEFT JOIN
#                 referencing view in WHERE
# (duplicate of LP bug #823189)
# 
CREATE TABLE t1 (a int);
CREATE TABLE t2 ( b int, d int, e int);
INSERT INTO t2 VALUES (7,8,0);
CREATE TABLE t3 ( c int);
INSERT INTO t3 VALUES (0);
CREATE TABLE t4 (a int, b int, c int);
INSERT INTO t4 VALUES (93,1,0), (95,NULL,0);
CREATE VIEW v4 AS SELECT * FROM t4;
EXPLAIN EXTENDED
SELECT * FROM t3 , t4 
WHERE t4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
WHERE t2.b > t4.b);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
Warnings:
Note	1276	Field or reference 'test.t4.b' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where `test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((/* select#2 */ select 0 from dual where 7 > `test`.`t4`.`b`))
SELECT * FROM t3 , t4 
WHERE t4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
WHERE t2.b > t4.b);
c	a	b	c
0	93	1	0
EXPLAIN EXTENDED
SELECT * FROM t3, v4 
WHERE v4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
WHERE t2.b > v4.b);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
Warnings:
Note	1276	Field or reference 'v4.b' of SELECT #2 was resolved in SELECT #1
Note	1003	/* select#1 */ select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where `test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((/* select#2 */ select 0 from dual where 7 > `test`.`t4`.`b`))
SELECT * FROM t3, v4 
WHERE v4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
WHERE t2.b > v4.b);
c	a	b	c
0	93	1	0
DROP VIEW v4;
DROP TABLE t1,t2,t3,t4;
drop table if exists t_9801;
drop view if exists v_9801;
create table t_9801 (s1 int);
create view v_9801 as
select sum(s1) from t_9801 with check option;
ERROR HY000: CHECK OPTION on non-updatable view `test`.`v_9801`
create view v_9801 as
select sum(s1) from t_9801 group by s1 with check option;
ERROR HY000: CHECK OPTION on non-updatable view `test`.`v_9801`
create view v_9801 as
select sum(s1) from t_9801 group by s1 with rollup with check option;
ERROR HY000: CHECK OPTION on non-updatable view `test`.`v_9801`
drop table t_9801;
#
# Bug #47335 assert in get_table_share
#
DROP TABLE IF EXISTS t1;
DROP VIEW IF EXISTS v1;
CREATE TEMPORARY TABLE t1 (id INT);
ALTER VIEW t1 AS SELECT 1 AS f1;
ERROR 42S02: Table 'test.t1' doesn't exist
DROP TABLE t1;
CREATE VIEW v1 AS SELECT 1 AS f1;
CREATE TEMPORARY TABLE v1 (id INT);
ALTER VIEW v1 AS SELECT 2 AS f1;
DROP TABLE v1;
SELECT * FROM v1;
f1
2
DROP VIEW v1;
#
# Bug #47635 assert in start_waiting_global_read_lock 
#            during CREATE VIEW
#
DROP TABLE IF EXISTS t1, t2;
DROP VIEW IF EXISTS t2;
CREATE TABLE t1 (f1 integer);
CREATE TEMPORARY TABLE IF NOT EXISTS t1 (f1 integer);
CREATE TEMPORARY TABLE t2 (f1 integer);
DROP TABLE t1;
FLUSH TABLES WITH READ LOCK;
CREATE VIEW t2 AS SELECT * FROM t1;
ERROR HY000: Can't execute the query because you have a conflicting read lock
UNLOCK TABLES;
DROP TABLE t1, t2;
#
# Bug#48315 Metadata lock is not taken for merged views that
#           use an INFORMATION_SCHEMA table
#
DROP VIEW IF EXISTS v1;
DROP PROCEDURE IF EXISTS p1;
connect  con2, localhost, root;
connect  con3, localhost, root;
connection default;
CREATE VIEW v1 AS SELECT schema_name FROM information_schema.schemata;
CREATE PROCEDURE p1() SELECT COUNT(*), GET_LOCK('blocker', 100) FROM v1;
# CALL p1() so the view is merged.
CALL p1();
SELECT RELEASE_LOCK('blocker');
RELEASE_LOCK('blocker')
1
connection con3;
SELECT GET_LOCK('blocker', 100);
GET_LOCK('blocker', 100)
1
connection default;
# Try to CALL p1() again, this time it should block on "blocker".
# Sending:
CALL p1();
connection con2;
# ... then try to drop the view. This should block.
# Sending:
DROP VIEW v1;
connection con3;
# Now allow CALL p1() to complete
SELECT RELEASE_LOCK('blocker');
RELEASE_LOCK('blocker')
1
connection default;
# Reaping: CALL p1()
SELECT RELEASE_LOCK('blocker');
RELEASE_LOCK('blocker')
1
connection con2;
# Reaping: DROP VIEW v1
connection default;
DROP PROCEDURE p1;
disconnect con2;
disconnect con3;
#
# Bug#12626844: WRONG ERROR MESSAGE WHILE CREATING A VIEW ON A
#               NON EXISTING DATABASE
#
DROP DATABASE IF EXISTS nodb;
CREATE VIEW nodb.a AS SELECT 1;
ERROR 42000: Unknown database 'nodb'
#
# BUG#14117018 - MYSQL SERVER CREATES INVALID VIEW DEFINITION
# BUG#18405221 - SHOW CREATE VIEW OUTPUT INCORRECT
#
CREATE VIEW v1 AS (SELECT '' FROM DUAL);
CREATE VIEW v2 AS (SELECT 'BUG#14117018' AS col1 FROM DUAL) UNION ALL
(SELECT '' FROM DUAL);
CREATE VIEW v3 AS (SELECT 'BUG#14117018' AS col1 FROM DUAL) UNION ALL
(SELECT '' FROM DUAL) UNION ALL
(SELECT '' FROM DUAL);
CREATE VIEW v4 AS (SELECT 'BUG#14117018' AS col1 FROM DUAL) UNION ALL
(SELECT '' AS col2 FROM DUAL) UNION ALL
(SELECT '' FROM DUAL);
CREATE VIEW v5 AS (SELECT 'buggy' AS col1, 'fix' as col2 FROM DUAL) UNION ALL
(SELECT 'buggy' as a, 'fix' as a FROM DUAL);
# Name for the column in select1 is set properly with or
# without this fix.
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS (select '' AS `Name_exp_1`)	latin1	latin1_swedish_ci
# Name for the column in select2 is set with this fix.
# Without this fix, name would not have set for the
# columns in select2.
SHOW CREATE VIEW v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS (select 'BUG#14117018' AS `col1`) union all (select '' AS `Name_exp_1`)	latin1	latin1_swedish_ci
# Name for the field item in select2 & select3 is set with this fix.
# Without this fix, name would not have set for the
# columns in select2 & select3.
SHOW CREATE VIEW v3;
View	Create View	character_set_client	collation_connection
v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS (select 'BUG#14117018' AS `col1`) union all (select '' AS `Name_exp_1`) union all (select '' AS `Name_exp_1`)	latin1	latin1_swedish_ci
# Name for the field item in select3 is set with this fix.
# Without this fix, name would not have set for the
# columns in select3.
SHOW CREATE VIEW v4;
View	Create View	character_set_client	collation_connection
v4	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v4` AS (select 'BUG#14117018' AS `col1`) union all (select '' AS `col2`) union all (select '' AS `Name_exp_1`)	latin1	latin1_swedish_ci
DROP VIEW v1, v2, v3, v4, v5;
#
# BUG#19886430: VIEW CREATION WITH NAMED COLUMNS, OVER UNION,
#               IS REJECTED
# Without the patch, reports an error.
CREATE VIEW v1 (fld1, fld2) AS
SELECT 1 AS a, 2 AS b
UNION ALL
SELECT 1 AS a, 1 AS a;
# The column names are explicitly specified and not duplicates, hence
# succeeds.
CREATE VIEW v2 (fld1, fld2) AS
SELECT 1 AS a, 2 AS a
UNION ALL
SELECT 1 AS a, 1 AS a;
# The column name in the first SELECT are not duplicates, hence succeeds.
CREATE VIEW v3 AS
SELECT 1 AS a, 2 AS b
UNION ALL
SELECT 1 AS a, 1 AS a;
# Should report an error, since the explicitly specified column names are
# duplicates.
CREATE VIEW v4 (fld1, fld1) AS
SELECT 1 AS a, 2 AS b
UNION ALL
SELECT 1 AS a, 1 AS a;
ERROR 42S21: Duplicate column name 'fld1'
# Should report an error, since duplicate column name is specified in the
# First SELECT.
CREATE VIEW v4 AS
SELECT 1 AS a, 2 AS a
UNION ALL
SELECT 1 AS a, 1 AS a;
ERROR 42S21: Duplicate column name 'a'
# Cleanup
DROP VIEW v1, v2, v3;
#
# lp:833600 Wrong result with view + outer join + uncorrelated subquery (non-semijoin) 
#
CREATE TABLE t1 ( a int, b int );
INSERT INTO t1 VALUES (0,0),(0,0);
CREATE TABLE t2 ( a int, b int );
INSERT IGNORE INTO t2 VALUES (1,0),(1,0);
CREATE TABLE t3 ( b int );
INSERT IGNORE INTO t3 VALUES (0),(0);
CREATE OR REPLACE VIEW v2 AS SELECT * FROM t2;
SELECT * FROM t1 RIGHT JOIN v2 ON ( v2.a = t1.a ) WHERE v2.b IN ( SELECT b FROM t3 ) AND t1.b IS NULL ;
a	b	a	b
NULL	NULL	1	0
NULL	NULL	1	0
SELECT * FROM t1 RIGHT JOIN v2 ON ( v2.a = t1.a ) WHERE v2.b IN ( SELECT b FROM t3 ) AND t1.b IS NULL ;
a	b	a	b
NULL	NULL	1	0
NULL	NULL	1	0
DROP VIEW v2;
DROP TABLE t1, t2, t3;
#
# BUG#915222: Valgrind complains or crashes with INSERT SELECT
#              within a trigger that uses a view
#
CREATE TABLE t1 (a char(1));
CREATE TABLE t2 (d int, e char(1));
INSERT INTO t2 VALUES (13,'z');
CREATE TRIGGER tr AFTER UPDATE ON t2
FOR EACH ROW
REPLACE INTO t3
SELECT f, a AS alias FROM t3, v;
CREATE TABLE t3 (f int, g char(8));
CREATE VIEW v AS SELECT a, e FROM t2, t1;
UPDATE t2 SET d=7;
UPDATE t2 SET d=7;
UPDATE t2 SET d=7;
UPDATE t2 SET d=7;
DROP TRIGGER tr;
DROP VIEW v;
DROP TABLE t1,t2,t3;
#
# BUG#972943: Assertion failure with INSERT SELECT within a trigger 
#             that uses derived table and materialized view
#
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (1,0), (2,8);
CREATE ALGORITHM=TEMPTABLE VIEW v1
AS SELECT * FROM t1;
CREATE TABLE t2 (c int);
CREATE TABLE t3 (d int, e int);
CREATE TRIGGER tr BEFORE INSERT ON t2 FOR EACH ROW
INSERT INTO t3
SELECT t1.*
FROM (SELECT * FROM t1 WHERE b IN (SELECT b FROM v1)) AS alias1, t1
WHERE t1.a = 3 OR t1.a > 5;
INSERT INTO t2 VALUES (1);
DROP TRIGGER tr;
DROP VIEW v1;
DROP TABLE t1,t2,t3;
#
# LP bug#1007622 Server crashes in handler::increment_statistics on
# inserting into a view over a view
#
flush status;
CREATE TABLE t1 (a INT);
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT a1.* FROM t1 AS a1, t1 AS a2;
CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM v1;
INSERT INTO v2 (a) VALUES (1) ;
select * from t1;
a
1
drop view v2,v1;
drop table t1;
show status like '%view%';
Variable_name	Value
Com_create_view	2
Com_drop_view	1
Opened_views	3
show status like 'Opened_table%';
Variable_name	Value
Opened_table_definitions	2
Opened_tables	2
#
# MDEV-486 LP BUG#1010116 Incorrect query results in
# view and derived tables
#
SELECT
`Derived1`.`id`,
`Derived2`.`Val1`
FROM (select 30631 as `id`) AS `Derived1` LEFT OUTER JOIN (SELECT
2 as `id`,
1 AS `Val1`
FROM (select 30631 as `id`) AS `Derived3`) AS `Derived2` ON `Derived1`.`id` = `Derived2`.`id`;
id	Val1
30631	NULL
create table t1 ( id int );
insert into t1 values (30631);
create table t2 ( id int );
insert into t2 values (30631);
create algorithm=MERGE view v2 as select 2 as id, 1 as val1 from t2;
select t1.*, v2.* from t1 left join v2 on t1.id = v2.id;
id	id	val1
30631	NULL	NULL
drop view v2;
drop table t1,t2;
create table t1 ( id int );
insert into t1 values (30631);
create table t2 ( id int );
insert into t2 values (30631);
create algorithm=MERGE view v2 as select 2 as id, id is null as bbb, id as iddqd, 1 as val1 from t2;
select t1.*, v2.* from t1 left join v2 on t1.id = v2.id;
id	id	bbb	iddqd	val1
30631	NULL	NULL	NULL	NULL
drop view v2;
drop table t1,t2;
#
# MDEV-3914: Wrong result (NULLs instead of real values)
# with INNER and RIGHT JOIN in a FROM subquery, derived_merge=on
# (fix of above MDEV-486 fix)
#
SET @save_optimizer_switch_MDEV_3914=@@optimizer_switch;
SET optimizer_switch = 'derived_merge=on';
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (3),(4);
CREATE TABLE t3 (c INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (5),(6);
SELECT * FROM ( SELECT c FROM ( t1 INNER JOIN t2 ) RIGHT JOIN t3 ON a = c ) AS alias;
c
5
6
SET optimizer_switch = 'derived_merge=off';
SELECT * FROM ( SELECT c FROM ( t1 INNER JOIN t2 ) RIGHT JOIN t3 ON a = c ) AS alias;
c
5
6
SET optimizer_switch=@save_optimizer_switch_MDEV_3914;
drop table t1,t2,t3;
#
# MDEV-589 (LP BUG#1007647) :
# Assertion `vcol_table == 0 || vcol_table == table' failed in
# fill_record(THD*, List<Item>&, List<Item>&, bool)
#
CREATE TABLE t1 (f1 INT, f2 INT);
CREATE TABLE t2 (f1 INT, f2 INT);
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT a1.f1, a2.f2 FROM t1 AS a1, t1 AS a2;
CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM v1;
CREATE ALGORITHM=MERGE VIEW v3 AS SELECT a1.f1, a2.f2 FROM t1 AS a1, t2 AS a2;
CREATE ALGORITHM=MERGE VIEW v4 AS SELECT * FROM v3;
INSERT INTO v3 (f1, f2) VALUES (1, 2);
ERROR HY000: Can not modify more than one base table through a join view 'test.v3'
INSERT INTO v1 (f1, f2) VALUES (1, 2);
ERROR HY000: Can not modify more than one base table through a join view 'test.v1'
INSERT INTO v4 (f1, f2) VALUES (1, 2);
ERROR HY000: Can not modify more than one base table through a join view 'test.v4'
INSERT INTO v2 (f1, f2) VALUES (1, 2);
ERROR HY000: Can not modify more than one base table through a join view 'test.v2'
drop view v4,v3,v2,v1;
drop table t1,t2;
#
# MDEV-3799 fix of above bugfix (MDEV-589) 
# Wrong result (NULLs instead of real values) with RIGHT JOIN
# in a FROM subquery and derived_merge=on
#
CREATE TABLE t1 (f1 INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (4),(6);
CREATE TABLE t2 (f2 INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (7),(8);
SELECT * FROM (  
SELECT * FROM t1 RIGHT JOIN t2 ON f1 = f2
) AS alias;
f1	f2
NULL	7
NULL	8
SELECT * FROM (  
SELECT * FROM t2 LEFT JOIN t1 ON f1 = f2
) AS alias;
f2	f1
7	NULL
8	NULL
drop tables t1,t2;
#
# MDEV-3876 Wrong result (extra rows) with ALL subquery
# from a MERGE view (duplicate of MDEV-3873)
#
CREATE TABLE t1 (a INT NOT NULL) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT NOT NULL) ENGINE=MyISAM;
INSERT INTO t2 VALUES (1),(3);
CREATE OR REPLACE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t2;
SELECT a FROM t1 AS alias
WHERE a >= ALL ( 
SELECT b FROM t1 LEFT JOIN v1 ON (a = b) 
WHERE a = alias.a );
a
1
drop view v1;
drop table t1,t2;
#
# MDEV-4593: p_s: crash in simplify_joins with delete using subselect
# from view
#
create table `t1`(`a` int);
create table `t2`(`a` int);
create or replace view `v1` as select `a` from `t1`;
prepare s from "delete  from `t2` order by (select 1 from `v1`)";
execute s;
deallocate prepare s;
drop view v1;
drop tables t1,t2;
#
# MDEV-5034 (duplicate of MDEV-5107):
# Left Join Yields All Nulls Instead of Appropriate Matches
#
# test #1
CREATE TABLE t1 (state VARCHAR(32), INDEX(state));
INSERT INTO t1 VALUES ('Indiana'),('Vermont');
CREATE TABLE t2 (state VARCHAR(32));
INSERT INTO t2 VALUES ('Hawaii'),('Oregon'),('Vermont');
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT t1.* FROM t2, t1;
SELECT * FROM t1 AS outer_t1 LEFT JOIN v1 AS joined_t1
ON (joined_t1.state = outer_t1.state AND joined_t1.state IN ( SELECT 'Vermont' UNION  SELECT 'Florida' ) );
state	state
Indiana	NULL
Vermont	Vermont
Vermont	Vermont
Vermont	Vermont
SELECT * FROM t1 AS outer_t1 LEFT JOIN (SELECT t1.* FROM t2, t1) AS joined_t1 ON (joined_t1.state = outer_t1.state AND joined_t1.state IN ( SELECT 'Vermont' UNION  SELECT 'Florida' ) );
state	state
Indiana	NULL
Vermont	Vermont
Vermont	Vermont
Vermont	Vermont
drop view v1;
drop table t1, t2;
# test #1
CREATE TABLE t1 (a INT, b VARCHAR(1), INDEX(b,a));
INSERT INTO t1 VALUES (4,'p'),(1,'q'),(9,'w');
CREATE TABLE t2 (c VARCHAR(1), INDEX(c));
INSERT INTO t2 VALUES ('q'),('a');
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT t1a.* FROM t1, t1 AS t1a;
SELECT * FROM t2 LEFT JOIN v1 ON ( c=b AND a IN ( 1,6 ) );
c	a	b
a	NULL	NULL
q	1	q
q	1	q
q	1	q
CREATE OR REPLACE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT t1a.* FROM t1, t1 AS t1a;
SELECT * FROM t2 LEFT JOIN v1 ON ( c=b AND a IN ( 1,6 ) );
c	a	b
a	NULL	NULL
q	1	q
q	1	q
q	1	q
drop view v1;
drop table t1,t2;
#
# MDEV-5153: Server crashes in Item_ref::fix_fields on 2nd execution
# of PS with LEFT JOIN and MERGE view or SELECT SQ
#
CREATE TABLE t1 (i1 INT, c1 VARCHAR(6)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
CREATE TABLE t2 (c2 VARCHAR(6)) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('foobar'),('qux');
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1 WHERE ( c1 ) IN ( SELECT c2 FROM t2 ) AND i1 <= 2 ;
PREPARE stmt FROM 'SELECT * FROM t1 LEFT JOIN v1 ON (v1.i1 = t1.i1)';
EXECUTE stmt;
i1	c1	i1	c1
1	foo	NULL	NULL
2	bar	NULL	NULL
EXECUTE stmt;
i1	c1	i1	c1
1	foo	NULL	NULL
2	bar	NULL	NULL
drop view v1;
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1 WHERE ( c1, c1 ) IN ( SELECT c2, c2 FROM t2 ) AND i1 <= 2 ;
EXECUTE stmt;
i1	c1	i1	c1
1	foo	NULL	NULL
2	bar	NULL	NULL
EXECUTE stmt;
i1	c1	i1	c1
1	foo	NULL	NULL
2	bar	NULL	NULL
deallocate prepare stmt;
drop view v1;
drop table t1,t2;
create table t1 (a int);
insert into t1 values (1),(2);
create view v1 (a,r) as select a,rand() from t1;
create table t2 select a, r as r1, r as r2, r as r3 from v1;
select a, r1 = r2, r2 = r3 from t2;
a	r1 = r2	r2 = r3
1	1	1
2	1	1
drop view v1;
drop table t1,t2;
#
# MDEV-5515: 2nd execution of a prepared statement returns wrong results
#
CREATE TABLE t1 (i1 INT, j1 INT NOT NULL, PRIMARY KEY (i1));
INSERT INTO t1 VALUES (30,300),(40,400);
CREATE TABLE t2 (i2 INT);
INSERT INTO t2 VALUES (50),(60);
CREATE TABLE t3 (c3 VARCHAR(20), i3 INT);
INSERT INTO t3 VALUES ('a',10),('b',2);
CREATE TABLE t4 (i4 INT);
INSERT INTO t4 VALUES (1),(2);
DROP VIEW IF EXISTS v1;
Warnings:
Note	4092	Unknown VIEW: 'test.v1'
CREATE VIEW v1 AS select coalesce(j1,i3) AS v1_field1 from t2 join t3 left join t1 on ( i1 = i2 );
CREATE VIEW v2 AS select v1_field1 from t4 join v1;
prepare my_stmt from "select v1_field1 from v2";
execute my_stmt;
v1_field1
10
10
10
10
2
2
2
2
execute my_stmt;
v1_field1
10
10
10
10
2
2
2
2
deallocate prepare my_stmt;
DROP VIEW v1,v2;
DROP TABLE t1,t2,t3,t4;
#
#MDEV-5717: Server crash with insert statement containing DEFAULT into
#view
#
CREATE TABLE t1 (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`test` tinyint(3) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`id`)
);
CREATE VIEW v1 AS (select  t1.id AS id,  t1.test AS test from t1);
INSERT INTO v1 SET test = DEFAULT;
select * from v1;
id	test
1	0
drop view v1;
drop table t1;
#
# MDEV-5981: name resolution issues with views and multi-update
# in ps-protocol
#
create table t1 (id1 int primary key, val1 varchar(20));
insert into t1 values (1, 'test1');
create table t2 (id2 int primary key, val2 varchar(20));
insert into t2 values (1, 'test2');
create algorithm=merge view v1 as select id1 as id1v1, val1 as val1v1 from t1;
create algorithm=merge view v2 as
select t2.id2 as id2v2, t2.val2 as val2v2
from t2, v1
where t2.id2 = v1.id1v1;
prepare stmt1 from "update v2 set val2v2 = 'test19' where 1 = id2v2";
execute stmt1;
deallocate prepare stmt1;
drop view v1,v2;
drop table t1,t2;
# -----------------------------------------------------------------
# -- End of 5.3 tests.
# -----------------------------------------------------------------
#
# MDEV-3874: Server crashes in Item_field::print on a SELECT
# from a MERGE view with materialization+semijoin, subquery, ORDER BY
#
SET @save_optimizer_switch_MDEV_3874=@@optimizer_switch;
SET optimizer_switch = 'materialization=on,semijoin=on';
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(7);
CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (4),(6);
CREATE TABLE t3 (c INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (1),(2);
CREATE ALGORITHM=MERGE VIEW v1 AS SELECT  
( SELECT a FROM t1 WHERE ( 1, 1 ) IN ( 
SELECT b, c FROM t2, t3 HAVING c > 2 ) ) AS field1, 
b + c AS field2 
FROM t2, t3 AS table1
GROUP BY field1, field2 ORDER BY field1;
Warnings:
Warning	1354	View merge algorithm can't be used here for now (assumed undefined algorithm)
SELECT * FROM v1;
field1	field2
NULL	5
NULL	7
NULL	6
NULL	8
drop view v1;
drop table t1,t2,t3;
SET optimizer_switch=@save_optimizer_switch_MDEV_3874;
CREATE TABLE `t1` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`f0` int(11) unsigned NOT NULL DEFAULT '0',
`f1` int(11) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`id`),
UNIQUE KEY `id` (`id`)
);
CREATE TABLE `t2` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`f02` bigint(20) unsigned NOT NULL DEFAULT '0',
`f03` int(11) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`id`),
UNIQUE KEY `id` (`id`)
);
CREATE ALGORITHM=UNDEFINED SQL SECURITY DEFINER VIEW `v1` AS 
SELECT 
`t1`.`f0` AS `f0`,
`t1`.`f1` AS `f1`,
`t2`.`f02` AS `f02`,
`t2`.`f03` AS `f03` 
FROM 
(`t1` LEFT JOIN `t2` ON((`t1`.`id` = `t2`.`f02`)));
CREATE FUNCTION `f1`(
p0 BIGINT(20) UNSIGNED
)
RETURNS bigint(20) unsigned
DETERMINISTIC
CONTAINS SQL
SQL SECURITY DEFINER
COMMENT ''
BEGIN
DECLARE k0 INTEGER UNSIGNED DEFAULT 0;
DECLARE lResult INTEGER UNSIGNED DEFAULT 0;
SET k0 = 0;
WHILE k0 < 1 DO
SELECT COUNT(*) as `f00` INTO lResult  FROM `v1` WHERE `v1`.`f0` = p0; -- BUG
SET k0 = k0 + 1;
END WHILE;
RETURN(k0);
END|
SELECT `f1`(1);
`f1`(1)
1
SELECT `f1`(1);
`f1`(1)
1
SELECT `f1`(1);
`f1`(1)
1
SELECT `f1`(1);
`f1`(1)
1
DROP FUNCTION f1;
DROP VIEW v1;
DROP TABLE t1, t2;
create view v1 as select 1;
FOUND 1 /mariadb-version/ in v1.frm
drop view v1;
#
# MDEV-7260: Crash in get_best_combination when executing multi-table
# UPDATE with nested views
#
CREATE TABLE `t1` (`id` bigint(20));
INSERT INTO `t1` VALUES (1),(2);
CREATE TABLE `t2` (`id` bigint(20));
CREATE TABLE `t3` (`id` bigint(20), `flag` tinyint(4));
create view v1 as select id from t1;
create view v2 as select t2.* from (t2 left join v1 using (id));
update t3 left join v2 using (id) set flag=flag+1;
drop view v2, v1;
drop table t1, t2, t3;
#
# MDEV-7207 - ALTER VIEW does not change ALGORITM
#
create table t1 (a int, b int);
create algorithm=temptable view v2 (c) as select b+1 from t1;
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`b` + 1 AS `c` from `t1`	latin1	latin1_swedish_ci
alter algorithm=undefined view v2 (c) as select b+1 from t1;
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`b` + 1 AS `c` from `t1`	latin1	latin1_swedish_ci
alter algorithm=merge view v2 (c) as select b+1 from t1;
show create view v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=MERGE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`b` + 1 AS `c` from `t1`	latin1	latin1_swedish_ci
drop view v2;
drop table t1;
#
# MDEV-8554: Server crashes in base_list_iterator::next_fast on 1st execution of PS with a multi-table update
#
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (3),(4);
CREATE TABLE t3 (c INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (5),(6);
CREATE OR REPLACE ALGORITHM=MERGE VIEW v3 AS SELECT * FROM t3;
PREPARE stmt FROM 'UPDATE t1, t2 SET a = 1 WHERE a IN ( SELECT 0 FROM t3 )';
UPDATE t1, t2 SET a = 1 WHERE a IN ( SELECT 0 FROM v3 );
EXECUTE stmt;
DROP TABLE t1, t2, t3;
DROP VIEW v3;
#
# MDEV-8632: Segmentation fault on INSERT
#
CREATE TABLE `t1` (
`id` int(10) unsigned NOT NULL,
`r` float NOT NULL,
PRIMARY KEY (`id`)
) DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
create view v1 as select id, if(r=r,1,2) as d from t1;
create view v2 as
select id, 
d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d as p
from v1;
insert into t1 (id, r)
select id,p from
(
select id, 
d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d+d as p
from (
select id, if(r=r,1,2) as d
from t1
) a
) b
on duplicate key update r=p;
insert into t1 (id, r)
select id,p from v2 
on duplicate key update r=p;
prepare stmt from "insert into t1 (id, r) select id,p from v2 on duplicate key update r=p";
execute stmt;
execute stmt;
deallocate prepare stmt;
drop view v1,v2;
drop table `t1`;
create table t1 (a int, b int);
create view v1 as select a+b from t1;
alter table v1 check partition p1;
Table	Op	Msg_type	Msg_text
test.v1	check	Error	'test.v1' is not of type 'BASE TABLE'
test.v1	check	status	Operation failed
drop view v1;
drop table t1;
#
# MDEV-10419: crash in mariadb 10.1.16-MariaDB-1~trusty
#
CREATE TABLE t1 (c1 CHAR(13));
CREATE TABLE t2 (c2 CHAR(13));
CREATE FUNCTION f() RETURNS INT RETURN 0;
CREATE OR REPLACE VIEW v1 AS select f() from t1 where c1 in (select c2 from t2);
DROP FUNCTION f;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `f`() AS `f()` from `t1` where `test`.`t1`.`c1` in (select `test`.`t2`.`c2` from `t2`)	latin1	latin1_swedish_ci
Warnings:
Warning	1356	View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
drop view v1;
drop table t1,t2;
#
# MDEV-12099: usage of mergeable view with LEFT JOIN 
#             that can be converted to INNER JOIN
#
create table t1 (a int, b int, key(a)) engine=myisam;
insert into t1 values
(3,20), (7,10), (2,10), (4,30), (8,70), 
(7,70), (9,100), (9,60), (8,80), (7,60);
create table t2 (c int, d int, key (c)) engine=myisam;
insert into t2 values
(50,100), (20, 200), (10,300),
(150,100), (120, 200), (110,300),
(250,100), (220, 200), (210,300);
create table t3(e int, f int not null, key(e), unique (f)) engine=myisam;
insert into t3 values
(100, 3), (300, 5), (400, 4), (300,7),
(300,2), (600, 13), (800, 15), (700, 14),
(600, 23), (800, 25), (700, 24);
create view v1 as
select * from t2 left join t3 on t3.e=t2.d where t3.f is not null;
select *
from t1 left join v1 on v1.c=t1.b 
where t1.a < 5;
a	b	c	d	e	f
2	10	10	300	300	5
2	10	10	300	300	7
2	10	10	300	300	2
3	20	NULL	NULL	NULL	NULL
4	30	NULL	NULL	NULL	NULL
select *
from t1 left join ( t2 left join t3 on t3.e=t2.d )
on t2.c=t1.b and  t3.f is not null
where t1.a < 5;
a	b	c	d	e	f
2	10	10	300	300	5
2	10	10	300	300	7
2	10	10	300	300	2
3	20	NULL	NULL	NULL	NULL
4	30	NULL	NULL	NULL	NULL
explain extended
select *
from t1 left join v1 on v1.c=t1.b 
where t1.a < 5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	5	NULL	3	100.00	Using index condition
1	SIMPLE	t2	ref	c	c	5	test.t1.b	1	100.00	Using where
1	SIMPLE	t3	ref	f,e	e	5	test.t2.d	1	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(`test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t3`.`e` = `test`.`t2`.`d` and `test`.`t3`.`f` is not null and `test`.`t1`.`b` is not null and `test`.`t2`.`d` is not null) where `test`.`t1`.`a` < 5
explain extended
select *
from t1 left join ( t2 left join t3 on t3.e=t2.d )
on t2.c=t1.b and  t3.f is not null
where t1.a < 5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	5	NULL	3	100.00	Using index condition
1	SIMPLE	t2	ref	c	c	5	test.t1.b	1	100.00	Using where
1	SIMPLE	t3	ref	f,e	e	5	test.t2.d	1	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(`test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t3`.`e` = `test`.`t2`.`d` and `test`.`t3`.`f` is not null and `test`.`t1`.`b` is not null and `test`.`t2`.`d` is not null) where `test`.`t1`.`a` < 5
explain extended
select *
from t1 left join v1 on v1.c=t1.b and v1.f=t1.a
where t1.a < 5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	5	NULL	3	100.00	Using index condition
1	SIMPLE	t3	eq_ref	f,e	f	4	test.t1.a	1	100.00	Using where
1	SIMPLE	t2	ref	c	c	5	test.t1.b	1	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(`test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t3`.`f` = `test`.`t1`.`a` and `test`.`t2`.`d` = `test`.`t3`.`e` and `test`.`t1`.`a` is not null and `test`.`t1`.`a` is not null and `test`.`t1`.`b` is not null) where `test`.`t1`.`a` < 5
explain extended
select *
from t1 left join ( t2 left join t3 on t3.e=t2.d )
on t2.c=t1.b and t3.f=t1.a and t3.f is not null
where t1.a < 5;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	range	a	a	5	NULL	3	100.00	Using index condition
1	SIMPLE	t3	eq_ref	f,e	f	4	test.t1.a	1	100.00	Using where
1	SIMPLE	t2	ref	c	c	5	test.t1.b	1	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(`test`.`t2`.`c` = `test`.`t1`.`b` and `test`.`t3`.`f` = `test`.`t1`.`a` and `test`.`t2`.`d` = `test`.`t3`.`e` and `test`.`t1`.`a` is not null and `test`.`t1`.`a` is not null and `test`.`t1`.`b` is not null) where `test`.`t1`.`a` < 5
drop view v1;
drop table t1,t2,t3;
#
# MDEV-11240: Server crashes in check_view_single_update or
# Assertion `derived->table' failed in mysql_derived_merge_for_insert
#
CREATE TABLE t3 (a INT);
CREATE ALGORITHM = MERGE VIEW v1 AS SELECT t2.a FROM t3 AS t1, t3 AS t2;
CREATE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM v1;
PREPARE stmt FROM 'REPLACE INTO v2 SELECT a FROM t3';
ERROR HY000: Can not insert into join view 'test.v2' without fields list
drop view v1,v2;
drop table t3;
#
# MDEV-14619: VIEW and GROUP_CONCAT
#
CREATE TABLE t1 (str text);
INSERT INTO t1 VALUES ("My"),("SQL");
CREATE VIEW v1 AS SELECT GROUP_CONCAT(str  SEPARATOR  '\\') FROM t1;
SELECT * FROM v1;
GROUP_CONCAT(str  SEPARATOR  '\\')
My\SQL
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select group_concat(`t1`.`str` separator '\\') AS `GROUP_CONCAT(str  SEPARATOR  '\\')` from `t1`	latin1	latin1_swedish_ci
drop view v1;
drop table t1;
CREATE TABLE IF NOT EXISTS t0 (f0 INT);
CREATE TABLE IF NOT EXISTS t1 (f1 INT);
CREATE TABLE IF NOT EXISTS t2 (f2 INT);
CREATE TABLE IF NOT EXISTS t3 (f3 INT);
CREATE TABLE IF NOT EXISTS t4 (f4 INT);
CREATE TABLE IF NOT EXISTS t5 (f5 INT);
CREATE TABLE IF NOT EXISTS t6 (f6 INT);
CREATE TABLE IF NOT EXISTS t7 (f7 INT);
CREATE TABLE IF NOT EXISTS t8 (f8 INT);
CREATE TABLE IF NOT EXISTS t9 (f9 INT);
CREATE TABLE IF NOT EXISTS t10 (f10 INT);
CREATE TABLE IF NOT EXISTS t11 (f11 INT);
CREATE TABLE IF NOT EXISTS t12 (f12 INT);
CREATE TABLE IF NOT EXISTS t13 (f13 INT);
CREATE TABLE IF NOT EXISTS t14 (f14 INT);
CREATE TABLE IF NOT EXISTS t15 (f15 INT);
CREATE TABLE IF NOT EXISTS t16 (f16 INT);
CREATE TABLE IF NOT EXISTS t17 (f17 INT);
CREATE TABLE IF NOT EXISTS t18 (f18 INT);
CREATE TABLE IF NOT EXISTS t19 (f19 INT);
CREATE TABLE IF NOT EXISTS t20 (f20 INT);
CREATE TABLE IF NOT EXISTS t21 (f21 INT);
CREATE TABLE IF NOT EXISTS t22 (f22 INT);
CREATE TABLE IF NOT EXISTS t23 (f23 INT);
CREATE TABLE IF NOT EXISTS t24 (f24 INT);
CREATE TABLE IF NOT EXISTS t25 (f25 INT);
CREATE TABLE IF NOT EXISTS t26 (f26 INT);
CREATE TABLE IF NOT EXISTS t27 (f27 INT);
CREATE TABLE IF NOT EXISTS t28 (f28 INT);
CREATE TABLE IF NOT EXISTS t29 (f29 INT);
CREATE TABLE IF NOT EXISTS t30 (f30 INT);
CREATE TABLE IF NOT EXISTS t31 (f31 INT);
CREATE TABLE IF NOT EXISTS t32 (f32 INT);
CREATE TABLE IF NOT EXISTS t33 (f33 INT);
CREATE TABLE IF NOT EXISTS t34 (f34 INT);
CREATE TABLE IF NOT EXISTS t35 (f35 INT);
CREATE TABLE IF NOT EXISTS t36 (f36 INT);
CREATE TABLE IF NOT EXISTS t37 (f37 INT);
CREATE TABLE IF NOT EXISTS t38 (f38 INT);
CREATE TABLE IF NOT EXISTS t39 (f39 INT);
CREATE TABLE IF NOT EXISTS t40 (f40 INT);
CREATE TABLE IF NOT EXISTS t41 (f41 INT);
CREATE TABLE IF NOT EXISTS t42 (f42 INT);
CREATE TABLE IF NOT EXISTS t43 (f43 INT);
CREATE TABLE IF NOT EXISTS t44 (f44 INT);
CREATE TABLE IF NOT EXISTS t45 (f45 INT);
CREATE TABLE IF NOT EXISTS t46 (f46 INT);
CREATE TABLE IF NOT EXISTS t47 (f47 INT);
CREATE TABLE IF NOT EXISTS t48 (f48 INT);
CREATE TABLE IF NOT EXISTS t49 (f49 INT);
CREATE TABLE IF NOT EXISTS t50 (f50 INT);
CREATE TABLE IF NOT EXISTS t51 (f51 INT);
CREATE TABLE IF NOT EXISTS t52 (f52 INT);
CREATE TABLE IF NOT EXISTS t53 (f53 INT);
CREATE TABLE IF NOT EXISTS t54 (f54 INT);
CREATE TABLE IF NOT EXISTS t55 (f55 INT);
CREATE TABLE IF NOT EXISTS t56 (f56 INT);
CREATE TABLE IF NOT EXISTS t57 (f57 INT);
CREATE TABLE IF NOT EXISTS t58 (f58 INT);
CREATE TABLE IF NOT EXISTS t59 (f59 INT);
CREATE TABLE IF NOT EXISTS t60 (f60 INT);
CREATE OR REPLACE VIEW v60 AS SELECT * FROM t60;
EXPLAIN
SELECT t0.*
FROM t0
JOIN t1
ON t1.f1 = t0.f0
LEFT JOIN t2
ON t0.f0 = t2.f2
LEFT JOIN t3
ON t0.f0 = t3.f3
LEFT JOIN t4
ON t0.f0 = t4.f4
LEFT JOIN t5
ON t4.f4 = t5.f5
LEFT JOIN t6
ON t0.f0 = t6.f6
LEFT JOIN t7
ON t0.f0 = t7.f7
LEFT JOIN t8
ON t0.f0 = t8.f8
LEFT JOIN t9
ON t0.f0 = t9.f9
LEFT JOIN t10
ON t0.f0 = t10.f10
LEFT JOIN t11
ON t0.f0 = t11.f11
LEFT JOIN t12
ON t0.f0 = t12.f12
LEFT JOIN t13
ON t0.f0 = t13.f13
LEFT JOIN t14
ON t0.f0 = t14.f14
LEFT JOIN t15
ON t0.f0 = t15.f15
LEFT JOIN t16
ON t0.f0 = t16.f16
LEFT JOIN t17
ON t0.f0 = t17.f17
LEFT JOIN t18
ON t0.f0 = t18.f18
LEFT JOIN t19
ON t18.f18 = t19.f19
LEFT JOIN t20
ON t20.f20 = t19.f19
LEFT JOIN t21
ON t20.f20 = t21.f21
LEFT JOIN t22
ON t19.f19 = t22.f22
LEFT JOIN t23
ON t23.f23 = t0.f0
LEFT JOIN t24
ON t24.f24 = t23.f23
LEFT JOIN t25
ON t0.f0 = t25.f25
LEFT JOIN t26
ON t26.f26 = t0.f0
LEFT JOIN t27
ON t27.f27 = t0.f0
LEFT JOIN t28
ON t0.f0 = t28.f28
LEFT JOIN t29
ON t0.f0 = t29.f29
LEFT JOIN t30
ON t30.f30 = t0.f0
LEFT JOIN t31
ON t0.f0 = t31.f31
LEFT JOIN t32
ON t32.f32 = t31.f31
LEFT JOIN t33
ON t33.f33 = t0.f0
LEFT JOIN t34
ON t33.f33 = t34.f34
LEFT JOIN t35
ON t33.f33 = t35.f35
LEFT JOIN t36
ON t36.f36 = t0.f0
LEFT JOIN t37
ON t32.f32 = t37.f37
LEFT JOIN t38
ON t31.f31 = t38.f38
LEFT JOIN t39
ON t39.f39 = t0.f0
LEFT JOIN t40
ON t40.f40 = t39.f39
LEFT JOIN t41
ON t41.f41 = t0.f0
LEFT JOIN t42
ON t42.f42 = t41.f41
LEFT JOIN t43
ON t43.f43 = t41.f41
LEFT JOIN t44
ON t44.f44 = t0.f0
LEFT JOIN t45
ON t45.f45 = t0.f0
LEFT JOIN t46
ON t46.f46 = t0.f0
LEFT JOIN t47
ON t47.f47 = t0.f0
LEFT JOIN t48
ON t48.f48 = t0.f0
LEFT JOIN t49
ON t0.f0 = t49.f49
LEFT JOIN t50
ON t0.f0 = t50.f50
LEFT JOIN t51
ON t0.f0 = t51.f51
LEFT JOIN t52
ON t52.f52 = t0.f0
LEFT JOIN t53
ON t53.f53 = t0.f0
LEFT JOIN t54
ON t54.f54 = t0.f0
LEFT JOIN t55
ON t55.f55 = t0.f0
LEFT JOIN t56
ON t56.f56 = t0.f0
LEFT JOIN t57
ON t57.f57 = t0.f0
LEFT JOIN t58
ON t58.f58 = t57.f57
LEFT JOIN t59
ON t36.f36 = t59.f59
LEFT JOIN v60
ON t36.f36 = v60.f60
;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
drop table t0, t1, t2, t3, t4, t5, t6, t7, t8, t9,
t10, t11, t12, t13, t14, t15, t16, t17, t18,
t19, t20, t21, t22, t23, t24, t25, t26, t27,
t28, t29, t30, t31, t32, t33, t34, t35, t36,
t37, t38, t39, t40, t41, t42, t43, t44, t45,
t46, t47, t48, t49, t50, t51, t52, t53, t54,
t55, t56, t57, t58, t59,t60;
drop view v60;
#
# MDEV-15572: view.test, server crash with --big-tables=1
#
set tmp_memory_table_size=0;
CREATE TABLE t1 ( f1 int , f2 int , f3 int , f4 int);
CREATE TABLE t2 ( f1 int , f2 int , f3 int , f4 int);
CREATE VIEW v1 AS
SELECT t2.f1, t1.f2, t2.f3, t2.f4 FROM (t1 JOIN t2);
REPLACE INTO v1 (f1, f2, f3, f4)
SELECT f1, f2, f3, f4 FROM t1;
ERROR HY000: Can not modify more than one base table through a join view 'test.v1'
drop view v1;
drop table t1, t2;
set tmp_memory_table_size=default;
# -----------------------------------------------------------------
# -- End of 5.5 tests.
# -----------------------------------------------------------------
# some subqueries in SELECT list test
create table t1 (a int, b int);
create table t2 (a int, b int);
insert into t1 values (1,2), (3,4), (3,3), (5,6), (7,8), (9,10);
insert into t2 values (1,2), (3,4), (3,3), (5,6), (7,8), (9,10);
create algorithm=merge view v1 as select t1.a as a, (select max(b) from t2 where t1.a=t2.a) as c from t1;
explain extended
select * from v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>((/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) AS `c` from `test`.`t1`
select * from v1;
a	c
1	2
3	4
3	4
5	6
7	8
9	10
explain extended
select * from t2, v1 where t2.a=v1.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using join buffer (flat, BNL join)
3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note	1003	/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>((/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) AS `c` from `test`.`t2` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t2`.`a`
select * from t2, v1 where t2.a=v1.a;
a	b	a	c
1	2	1	2
3	4	3	4
3	3	3	4
3	4	3	4
3	3	3	4
5	6	5	6
7	8	7	8
9	10	9	10
explain extended
select * from t1, v1 where t1.a=v1.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using join buffer (flat, BNL join)
3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>((/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) AS `c` from `test`.`t1` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t1`.`a`
select * from t1, v1 where t1.a=v1.a;
a	b	a	c
1	2	1	2
3	4	3	4
3	3	3	4
3	4	3	4
3	3	3	4
5	6	5	6
7	8	7	8
9	10	9	10
explain extended
select * from t1, v1 where t1.b=v1.c;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using join buffer (flat, BNL join)
3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>((/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) AS `c` from `test`.`t1` join `test`.`t1` where `test`.`t1`.`b` = <expr_cache><`test`.`t1`.`a`>((/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))
select * from t1, v1 where t1.b=v1.c;
a	b	a	c
1	2	1	2
3	4	3	4
3	4	3	4
5	6	5	6
7	8	7	8
9	10	9	10
explain extended
select * from t2, t1, v1 where t1.a=t2.a and t1.a=v1.a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using join buffer (flat, BNL join)
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where; Using join buffer (incremental, BNL join)
3	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1276	Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note	1003	/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>((/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) AS `c` from `test`.`t2` join `test`.`t1` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t2`.`a` and `test`.`t1`.`a` = `test`.`t2`.`a`
select * from t2, t1, v1 where t1.a=t2.a and t1.a=v1.a;
a	b	a	b	a	c
1	2	1	2	1	2
3	4	3	4	3	4
3	3	3	4	3	4
3	4	3	3	3	4
3	3	3	3	3	4
3	4	3	4	3	4
3	3	3	4	3	4
3	4	3	3	3	4
3	3	3	3	3	4
5	6	5	6	5	6
7	8	7	8	7	8
9	10	9	10	9	10
drop view v1;
drop table t1,t2;
create table t1 (i int not null);
insert into t1 values (1),(2);
create table t2 (j int not null);
insert into t2 values (11),(12);
create algorithm=merge view v3 as select t1.* from t2 left join t1 on (t2.j = t1.i);
prepare stmt from 'select count(v3.i) from t1, v3';
execute stmt;
count(v3.i)
0
execute stmt;
count(v3.i)
0
drop table t1, t2;
drop view v3;
#
# MDEV-8525: mariadb 10.0.20 crashing when data is read by Kodi 
# media center (http://kodi.tv).
#
CREATE TABLE `t1` (
`idSong` int(11) NOT NULL AUTO_INCREMENT,
`idAlbum` int(11) DEFAULT NULL,
`idPath` int(11) DEFAULT NULL,
`strArtists` text,
`strGenres` text,
`strTitle` varchar(512) DEFAULT NULL,
`iTrack` int(11) DEFAULT NULL,
`iDuration` int(11) DEFAULT NULL,
`iYear` int(11) DEFAULT NULL,
`dwFileNameCRC` text,
`strFileName` text,
`strMusicBrainzTrackID` text,
`iTimesPlayed` int(11) DEFAULT NULL,
`iStartOffset` int(11) DEFAULT NULL,
`iEndOffset` int(11) DEFAULT NULL,
`idThumb` int(11) DEFAULT NULL,
`lastplayed` varchar(20) DEFAULT NULL,
`rating` char(1) DEFAULT '0',
`comment` text,
`mood` text,
PRIMARY KEY (`idSong`),
UNIQUE KEY `idxSong7` (`idAlbum`,`strMusicBrainzTrackID`(36)),
KEY `idxSong` (`strTitle`(255)),
KEY `idxSong1` (`iTimesPlayed`),
KEY `idxSong2` (`lastplayed`),
KEY `idxSong3` (`idAlbum`),
KEY `idxSong6` (`idPath`,`strFileName`(255))
)  DEFAULT CHARSET=utf8;
INSERT INTO `t1` VALUES (1,1,1,'strArtists1','strGenres1','strTitle1',1,100,2000,NULL,'strFileName1','strMusicBrainzTrackID1',0,0,0,NULL,NULL,'0','',''),(2,2,2,'strArtists2','strGenres2','strTitle2',2,200,2001,NULL,'strFileName2','strMusicBrainzTrackID2',0,0,0,NULL,NULL,'0','','');
CREATE TABLE `t2` (
`idAlbum` int(11) NOT NULL AUTO_INCREMENT,
`strAlbum` varchar(256) DEFAULT NULL,
`strMusicBrainzAlbumID` text,
`strArtists` text,
`strGenres` text,
`iYear` int(11) DEFAULT NULL,
`idThumb` int(11) DEFAULT NULL,
`bCompilation` int(11) NOT NULL DEFAULT '0',
`strMoods` text,
`strStyles` text,
`strThemes` text,
`strReview` text,
`strImage` text,
`strLabel` text,
`strType` text,
`iRating` int(11) DEFAULT NULL,
`lastScraped` varchar(20) DEFAULT NULL,
`dateAdded` varchar(20) DEFAULT NULL,
`strReleaseType` text,
PRIMARY KEY (`idAlbum`),
UNIQUE KEY `idxAlbum_2` (`strMusicBrainzAlbumID`(36)),
KEY `idxAlbum` (`strAlbum`(255)),
KEY `idxAlbum_1` (`bCompilation`)
) DEFAULT CHARSET=utf8;
INSERT INTO `t2` VALUES (1,'strAlbum1','strMusicBrainzAlbumID1','strArtists1','strGenres1',2000,NULL,0,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,'album');
CREATE TABLE `t3` (
`idArtist` int(11) DEFAULT NULL,
`idAlbum` int(11) DEFAULT NULL,
`strJoinPhrase` text,
`boolFeatured` int(11) DEFAULT NULL,
`iOrder` int(11) DEFAULT NULL,
`strArtist` text,
UNIQUE KEY `idxAlbumArtist_1` (`idAlbum`,`idArtist`),
UNIQUE KEY `idxAlbumArtist_2` (`idArtist`,`idAlbum`),
KEY `idxAlbumArtist_3` (`boolFeatured`)
) DEFAULT CHARSET=utf8;
INSERT INTO `t3` VALUES (1,1,'',0,0,'strArtist1');
CREATE TABLE `t4` (
`idArtist` int(11) NOT NULL AUTO_INCREMENT,
`strArtist` varchar(256) DEFAULT NULL,
`strMusicBrainzArtistID` text,
`strBorn` text,
`strFormed` text,
`strGenres` text,
`strMoods` text,
`strStyles` text,
`strInstruments` text,
`strBiography` text,
`strDied` text,
`strDisbanded` text,
`strYearsActive` text,
`strImage` text,
`strFanart` text,
`lastScraped` varchar(20) DEFAULT NULL,
`dateAdded` varchar(20) DEFAULT NULL,
PRIMARY KEY (`idArtist`),
UNIQUE KEY `idxArtist1` (`strMusicBrainzArtistID`(36)),
KEY `idxArtist` (`strArtist`(255))
) DEFAULT CHARSET=utf8;
INSERT INTO `t4` VALUES (1,'strArtist1','strMusicBrainzArtistID',NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);
CREATE VIEW `v1` AS select `t2`.`idAlbum` AS `idAlbum`,`t2`.`strAlbum` AS `strAlbum`,`t2`.`strMusicBrainzAlbumID` AS `strMusicBrainzAlbumID`,`t2`.`strArtists` AS `strArtists`,`t2`.`strGenres` AS `strGenres`,`t2`.`iYear` AS `iYear`,`t2`.`strMoods` AS `strMoods`,`t2`.`strStyles` AS `strStyles`,`t2`.`strThemes` AS `strThemes`,`t2`.`strReview` AS `strReview`,`t2`.`strLabel` AS `strLabel`,`t2`.`strType` AS `strType`,`t2`.`strImage` AS `strImage`,`t2`.`iRating` AS `iRating`,`t2`.`bCompilation` AS `bCompilation`,(select min(`t1`.`iTimesPlayed`) from `t1` where (`t1`.`idAlbum` = `t2`.`idAlbum`)) AS `iTimesPlayed`,`t2`.`strReleaseType` AS `strReleaseType` from `t2`;
CREATE VIEW `v2` AS select `t3`.`idAlbum` AS `idAlbum`,`t3`.`idArtist` AS `idArtist`,`t4`.`strArtist` AS `strArtist`,`t4`.`strMusicBrainzArtistID` AS `strMusicBrainzArtistID`,`t3`.`boolFeatured` AS `boolFeatured`,`t3`.`strJoinPhrase` AS `strJoinPhrase`,`t3`.`iOrder` AS `iOrder` from (`t3` join `t4` on((`t3`.`idArtist` = `t4`.`idArtist`)));
SELECT v1.*,v2.* FROM v1 LEFT JOIN v2 ON v1.idAlbum = v2.idAlbum WHERE v1.idAlbum = 1 ORDER BY v2.iOrder;
idAlbum	strAlbum	strMusicBrainzAlbumID	strArtists	strGenres	iYear	strMoods	strStyles	strThemes	strReview	strLabel	strType	strImage	iRating	bCompilation	iTimesPlayed	strReleaseType	idAlbum	idArtist	strArtist	strMusicBrainzArtistID	boolFeatured	strJoinPhrase	iOrder
1	strAlbum1	strMusicBrainzAlbumID1	strArtists1	strGenres1	2000	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	0	0	album	1	1	strArtist1	strMusicBrainzArtistID	0		0
drop view v1,v2;
drop table t1,t2,t3,t4;
#
# MDEV-8913: Derived queries with same column names as final
# projection causes issues when using Order By
#
create table t1 (field int);
insert into t1 values (10),(5),(3),(8),(20);
SELECT sq.f2 AS f1, sq.f1 AS f2
FROM ( SELECT field AS f1, 1 AS f2 FROM t1) AS sq
ORDER BY sq.f1;
f1	f2
1	3
1	5
1	8
1	10
1	20
create view v1 as SELECT field AS f1, 1 AS f2 FROM t1;
SELECT sq.f2 AS f1, sq.f1 AS f2
FROM v1 AS sq
ORDER BY sq.f1;
f1	f2
1	3
1	5
1	8
1	10
1	20
drop view v1;
create table t2 SELECT field AS f1, 1 AS f2 FROM t1;
SELECT
sq.f2 AS f1,
sq.f1 AS f2
FROM t2 AS sq
ORDER BY sq.f1;
f1	f2
1	3
1	5
1	8
1	10
1	20
drop table t1, t2;
SELECT 1 FROM (SELECT 1 as a) AS b HAVING (SELECT `SOME_GARBAGE`.b.a)=1;
ERROR 42S22: Unknown column 'SOME_GARBAGE.b.a' in 'SELECT'
#
# MDEV-10035: DBUG_ASSERT on CREATE VIEW v1 AS SELECT * FROM t1
# FOR UPDATE
#
CREATE TABLE t1 (a INT);
insert into t1 values (1),(2);
CREATE VIEW v1 AS SELECT * FROM t1 FOR UPDATE;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` for update	latin1	latin1_swedish_ci
select * from v1;
a
1
2
DROP VIEW v1;
CREATE VIEW v1 AS SELECT * FROM t1 LOCK IN SHARE MODE;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` lock in share mode	latin1	latin1_swedish_ci
select * from v1;
a
1
2
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-8642: WHERE Clause not applied on View - Empty result set returned
#
CREATE TABLE `t1` (
`id` int(20) NOT NULL AUTO_INCREMENT,
`use_case` int(11) DEFAULT NULL,
`current_deadline` date DEFAULT NULL,
`ts_create` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (`id`),
UNIQUE KEY `id_UNIQUE` (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=13976 DEFAULT CHARSET=latin1;
INSERT INTO `t1` VALUES (1,10,'2015-12-18','2015-08-18 08:38:16');
INSERT INTO `t1` VALUES (2,20,'2015-10-18','2015-08-18 08:43:30');
CREATE VIEW v1 AS SELECT
use_case as use_case_id,
(
SELECT 
deadline_sub.current_deadline
FROM 
t1 deadline_sub
WHERE 
deadline_sub.use_case = use_case_id
AND ts_create = (SELECT 
MIN(ts_create)
FROM 
t1 startdate_sub
WHERE 
startdate_sub.use_case = use_case_id
)
) AS InitialDeadline
FROM 
t1;
SELECT * FROM v1 where use_case_id = 10;
use_case_id	InitialDeadline
10	2015-12-18
drop view v1;
drop table t1;
#
# MDEV-12666: CURRENT_ROLE() and DATABASE() does not work in a view
#
# DATABASE() fails only when the initial view creation features a NULL
# default database.
#
# CREATE, USE and DROP database so that we have no "default" database.
#
CREATE DATABASE temporary;
USE temporary;
DROP DATABASE temporary;
SELECT DATABASE();
DATABASE()
NULL
CREATE VIEW test.v_no_db AS SELECT DATABASE() = 'temporary_two';
SHOW CREATE VIEW test.v_no_db;
View	Create View	character_set_client	collation_connection
v_no_db	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `test`.`v_no_db` AS select database() = 'temporary_two' AS `DATABASE() = 'temporary_two'`	latin1	latin1_swedish_ci
PREPARE prepared_no_database FROM "SELECT DATABASE() = 'temporary_two'";
#
# All statements should return NULL
#
EXECUTE prepared_no_database;
DATABASE() = 'temporary_two'
NULL
SELECT DATABASE() = 'temporary_two';
DATABASE() = 'temporary_two'
NULL
SELECT * FROM test.v_no_db;
DATABASE() = 'temporary_two'
NULL
CREATE DATABASE temporary_two;
USE temporary_two;
CREATE VIEW test.v_with_db AS SELECT DATABASE() = 'temporary_two';
PREPARE prepared_with_database FROM "SELECT DATABASE() = 'temporary_two'";
#
# All statements should return 1;
#
SELECT DATABASE() = 'temporary_two';
DATABASE() = 'temporary_two'
1
SELECT * FROM test.v_no_db;
DATABASE() = 'temporary_two'
1
SELECT * FROM test.v_with_db;
DATABASE() = 'temporary_two'
1
EXECUTE prepared_with_database;
DATABASE() = 'temporary_two'
1
#
# Prepared statements maintain default database to be the same
# during on creation so this should return NULL still.
# See MySQL bug #25843
#
EXECUTE prepared_no_database;
DATABASE() = 'temporary_two'
NULL
DROP DATABASE temporary_two;
DROP VIEW test.v_no_db;
DROP VIEW test.v_with_db;
USE test;
# -----------------------------------------------------------------
# -- End of 10.0 tests.
# -----------------------------------------------------------------
SET optimizer_switch=@save_optimizer_switch;
#
# Start of 10.1 tests
#
#
# MDEV-8747 Wrong result for SELECT..WHERE derived_table_column='a' AND derived_table_column<>_latin1'A' COLLATE latin1_bin
#
CREATE TABLE t1 (a varchar(10) character set cp1251 collate cp1251_ukrainian_ci, KEY (a)) ;
INSERT INTO t1 VALUES ('DD'), ('ZZ'), ('ZZ'), ('KK'), ('FF'), ('HH'),('MM'),('`1');
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 WHERE a <> 0 AND a = ' 1';
a
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: '`1'
SELECT * FROM v1 WHERE a <> 0 AND a = ' 1';
a
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: '`1'
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (a ENUM('5','6'));
INSERT INTO t1 VALUES ('5'),('6');
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 WHERE a='5' AND a<2;
a
5
SELECT * FROM v1 WHERE a='5' AND a<2;
a
5
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-8749 Wrong result for SELECT..WHERE derived_table_enum_column='number' AND derived_table_enum_column OP number2
#
CREATE TABLE t1 (a varchar(10) character set cp1251 collate cp1251_ukrainian_ci, KEY (a));
INSERT INTO t1 VALUES ('DD'), ('ZZ'), ('ZZ'), ('KK'), ('FF'), ('HH'),('MM'),('`1');
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 WHERE a <> 0 AND a = ' 1';
a
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: '`1'
SELECT * FROM v1 WHERE a <> 0 AND a = ' 1';
a
Warnings:
Warning	1292	Truncated incorrect DECIMAL value: '`1'
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (a ENUM('5','6'));
INSERT INTO t1 VALUES ('5'),('6');
CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 WHERE a='5' AND a<2;
a
5
SELECT * FROM v1 WHERE a='5' AND a<2;
a
5
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-8742 Wrong result for SELECT..WHERE view_latin1_swedish_ci_field='a' COLLATE latin1_bin
#
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1);
INSERT INTO t1 VALUES ('a'),('A');
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a='a';
SELECT * FROM v1 WHERE a=_latin1'a' COLLATE latin1_bin;
a
a
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-9701: CREATE VIEW with GROUP BY or ORDER BY and constant
# produces invalid definition
#
CREATE TABLE t1 ( i INT );
INSERT INTO t1 VALUES (1),(2);
CREATE VIEW v1 AS
SELECT 3 AS three, COUNT(*) FROM t1 GROUP BY three;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 3 AS `three`,count(0) AS `COUNT(*)` from `t1` group by ''	latin1	latin1_swedish_ci
SELECT * FROM v1;
three	COUNT(*)
3	2
drop view v1;
drop table t1;
#
# MDEV-12819: order by ordering expression changed to empty string
# when creatin view with union
#
create table t1 (t1col1 int, t1col2 int,t1col3 int );
create table t2 (t2col1 int, t2col2 int, t2col3 int);
create view v1 as
select t1col1,t1col2,t1col3 from t1
union all
select t2col1,t2col2,t2col3 from t2
order by 2,3;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`t1col1` AS `t1col1`,`t1`.`t1col2` AS `t1col2`,`t1`.`t1col3` AS `t1col3` from `t1` union all select `t2`.`t2col1` AS `t2col1`,`t2`.`t2col2` AS `t2col2`,`t2`.`t2col3` AS `t2col3` from `t2` order by 2,3	latin1	latin1_swedish_ci
select * from v1;
t1col1	t1col2	t1col3
drop view v1;
drop table t1,t2;
#
# End of 10.1 tests
#
#
# Start of 10.2 tests
#
# Checking that SHOW CREATE VIEW preserve parentheses
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10),(20),(30);
CREATE VIEW v1 AS SELECT 1 AS a UNION SELECT a FROM t1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `a` union select `t1`.`a` AS `a` from `t1`	latin1	latin1_swedish_ci
SELECT * FROM v1;
a
1
10
20
30
DROP VIEW v1;
CREATE VIEW v1 AS SELECT 1 AS a UNION SELECT a FROM t1 LIMIT 1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `a` union select `t1`.`a` AS `a` from `t1` limit 1	latin1	latin1_swedish_ci
SELECT * FROM v1;
a
1
DROP VIEW v1;
CREATE VIEW v1 AS SELECT 1 AS a UNION (SELECT a FROM t1);
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `a` union (select `t1`.`a` AS `a` from `t1`)	latin1	latin1_swedish_ci
SELECT * FROM v1;
a
1
10
20
30
DROP VIEW v1;
CREATE VIEW v1 AS SELECT 1 AS a UNION (SELECT a FROM t1 LIMIT 1);
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `a` union (select `t1`.`a` AS `a` from `t1` limit 1)	latin1	latin1_swedish_ci
SELECT * FROM v1;
a
1
10
DROP VIEW v1;
CREATE VIEW v1 AS SELECT 1 AS a UNION (SELECT a FROM t1) LIMIT 1;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `a` union (select `t1`.`a` AS `a` from `t1`) limit 1	latin1	latin1_swedish_ci
SELECT * FROM v1;
a
1
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-9408 CREATE TABLE SELECT MAX(int_column) creates different columns for table vs view
#
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;
CREATE TABLE t2 AS
SELECT code, COUNT(DISTINCT country), MAX(id) FROM t1 GROUP BY code ORDER BY MAX(id);
SHOW CREATE TABLE t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `code` int(11) DEFAULT NULL,
  `COUNT(DISTINCT country)` bigint(21) NOT NULL,
  `MAX(id)` int(11)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
CREATE TABLE t3 AS
SELECT code, COUNT(DISTINCT country), MAX(id) FROM v1 GROUP BY code ORDER BY MAX(id);
SHOW CREATE TABLE t3;
Table	Create Table
t3	CREATE TABLE `t3` (
  `code` int(11) DEFAULT NULL,
  `COUNT(DISTINCT country)` bigint(21) NOT NULL,
  `MAX(id)` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
DROP VIEW v1;
DROP TABLE t1,t2,t3;
#
# MDEV-3944: Allow derived tables in VIEWS
#
create table t1 (s1 int);
insert into t1 values (1),(2),(3);
CREATE VIEW v1 AS SELECT * FROM (SELECT s1 FROM t1 WHERE s1>1) AS x;
CREATE VIEW v2 AS SELECT * FROM (SELECT s1 FROM t1 WHERE s1<3) AS x;
select * from v1;
s1
2
3
select * from v2;
s1
1
2
select * from v1 natural join v2;
s1
2
select * from v1 natural join t1;
s1
2
3
select * from v1 natural join (SELECT s1 FROM t1 WHERE s1<3) as x;
s1
2
select * from v1 left join v2 on (v1.s1=v2.s1);
s1	s1
2	2
3	NULL
select * from v1 left join t1 on (v1.s1=t1.s1);
s1	s1
2	2
3	3
select * from t1 left join v2 on (t1.s1=v2.s1);
s1	s1
1	1
2	2
3	NULL
select * from v1 left join (SELECT s1 FROM t1 WHERE s1<3) as x on (v1.s1=x.s1);
s1	s1
2	2
3	NULL
select * from (SELECT s1 FROM t1 WHERE s1>1) AS x left join v2 on (x.s1=v2.s1);
s1	s1
2	2
3	NULL
drop view v1,v2;
CREATE VIEW v1 AS SELECT * FROM (SELECT s1 FROM (SELECT s1 FROM t1 WHERE s1
< 100) as xx WHERE s1>1) AS x;
CREATE VIEW v2 AS SELECT * FROM (SELECT s1 FROM (SELECT s1 FROM t1 WHERE s1
> -100) as xx WHERE s1<3) AS x;
insert into t1 values (200),(-200);
select * from t1;
s1
-200
1
2
200
3
select * from v1;
s1
2
3
select * from v2;
s1
1
2
select * from v1 natural join v2;
s1
2
select * from v1 natural join t1;
s1
2
3
select * from v1 natural join (SELECT s1 FROM t1 WHERE s1<3) as x;
s1
2
select * from v1 left join v2 on (v1.s1=v2.s1);
s1	s1
2	2
3	NULL
select * from v1 left join t1 on (v1.s1=t1.s1);
s1	s1
2	2
3	3
select * from t1 left join v2 on (t1.s1=v2.s1);
s1	s1
-200	NULL
1	1
2	2
200	NULL
3	NULL
select * from v1 left join (SELECT s1 FROM t1 WHERE s1<3) as x on (v1.s1=x.s1);
s1	s1
2	2
3	NULL
select * from (SELECT s1 FROM t1 WHERE s1>1) AS x left join v2 on (x.s1=v2.s1);
s1	s1
2	2
200	NULL
3	NULL
drop view v1,v2;
CREATE algorithm=temptable VIEW v1 AS SELECT * FROM (SELECT s1 FROM (SELECT s1 FROM t1 WHERE s1
< 100) as xx WHERE s1>1) AS x;
CREATE algorithm=temptable VIEW v2 AS SELECT * FROM (SELECT s1 FROM (SELECT s1 FROM t1 WHERE s1
> -100) as xx WHERE s1<3) AS x;
select * from t1;
s1
-200
1
2
200
3
select * from v1;
s1
2
3
select * from v2;
s1
1
2
select * from v1 natural join v2;
s1
2
select * from v1 natural join t1;
s1
2
3
select * from v1 natural join (SELECT s1 FROM t1 WHERE s1<3) as x;
s1
2
select * from v1 left join v2 on (v1.s1=v2.s1);
s1	s1
2	2
3	NULL
select * from v1 left join t1 on (v1.s1=t1.s1);
s1	s1
2	2
3	3
select * from t1 left join v2 on (t1.s1=v2.s1);
s1	s1
-200	NULL
1	1
2	2
200	NULL
3	NULL
select * from v1 left join (SELECT s1 FROM t1 WHERE s1<3) as x on (v1.s1=x.s1);
s1	s1
2	2
3	NULL
select * from (SELECT s1 FROM t1 WHERE s1>1) AS x left join v2 on (x.s1=v2.s1);
s1	s1
2	2
200	NULL
3	NULL
drop view v1,v2;
CREATE VIEW v1 AS SELECT * FROM (SELECT s1 FROM (SELECT s1 FROM t1 WHERE s1
< 100) as xx WHERE s1>1) AS x;
insert into v1 values (-300);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
update v1 set s1=s1+1;
ERROR HY000: The target table v1 of the UPDATE is not updatable
drop view v1;
CREATE VIEW v1 AS SELECT s1,s2 FROM (SELECT s1 as s2 FROM t1 WHERE s1 <
100) x, t1 WHERE t1.s1=x.s2;
select * from v1;
s1	s2
1	1
2	2
3	3
-200	-200
insert into v1 (s1) values (-300);
update v1 set s1=s1+1;
select * from v1;
s1	s2
2	2
3	3
4	4
-199	-199
-299	-299
select * from t1;
s1
2
3
4
200
-199
-299
insert into v1(s2) values (-300);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
update v1 set s2=s2+1;
ERROR HY000: The target table v1 of the UPDATE is not updatable
drop view v1;
CREATE VIEW v1 AS SELECT * FROM (SELECT s1 FROM t1 WHERE s1
< 100) AS x;
insert into v1 values (-300);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
update v1 set s1=s1+1;
ERROR HY000: The target table v1 of the UPDATE is not updatable
drop view v1;
CREATE VIEW v1 AS SELECT * FROM (SELECT s1 FROM (SELECT s1 FROM t1 WHERE s1
< 100) as xx WHERE s1>1) AS x;
insert into v1 values (-300);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
update v1 set s1=s1+1;
ERROR HY000: The target table v1 of the UPDATE is not updatable
create view v2 as select * from v1;
insert into v2 values (-300);
ERROR HY000: The target table v2 of the INSERT is not insertable-into
update v2 set s1=s1+1;
ERROR HY000: The target table v2 of the UPDATE is not updatable
drop view v1, v2;
drop table t1;
#
# MDEV-9671:Wrong result upon select from a view with a FROM subquery
#
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (3),(2);
CREATE TABLE t2 (j INT);
INSERT INTO t2 VALUES (8),(3),(3);
CREATE TABLE t3 (k INT);
INSERT INTO t3 VALUES (1),(8);
CREATE VIEW v1 AS SELECT * FROM t1 LEFT JOIN ( SELECT t2.* FROM t2 INNER JOIN t3 ON ( k = j ) ) AS alias1 ON ( i = j );
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`i` AS `i`,`alias1`.`j` AS `j` from (`t1` left join (select `t2`.`j` AS `j` from (`t2` join `t3` on(`t3`.`k` = `t2`.`j`))) `alias1` on(`t1`.`i` = `alias1`.`j`))	latin1	latin1_swedish_ci
SELECT * FROM t1 LEFT JOIN ( SELECT t2.* FROM t2 INNER JOIN t3 ON ( k = j ) ) AS alias1 ON ( i = j );
i	j
3	NULL
2	NULL
SELECT * FROM v1;
i	j
3	NULL
2	NULL
DROP VIEW v1;
DROP TABLE t1, t2, t3;
#
# MDEV-10035: DBUG_ASSERT on CREATE VIEW v1 AS SELECT * FROM t1
# FOR UPDATE
#
CREATE TABLE t1 (a INT);
insert into t1 values (1),(2);
CREATE VIEW v1 AS SELECT * FROM t1 FOR UPDATE;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` for update	latin1	latin1_swedish_ci
select * from v1;
a
1
2
DROP VIEW v1;
CREATE VIEW v1 AS SELECT * FROM t1 LOCK IN SHARE MODE;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` lock in share mode	latin1	latin1_swedish_ci
select * from v1;
a
1
2
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-10724:Assertion `vcol_table == 0 || vcol_table == table'
# failed in fill_record(THD*, TABLE*, List<Item>&, List<Item>&,
# bool, bool)
#
CREATE TABLE t1 (f1 INT);
CREATE TABLE t2 (f2 INT);
CREATE TABLE t3 (f3 INT);
CREATE ALGORITHM = MERGE VIEW v AS SELECT f1, f3 FROM t1,
( SELECT f3 FROM t2, t3 ) AS sq;
INSERT INTO v (f1, f3) VALUES (1,1), (2,2);
ERROR HY000: Can not modify more than one base table through a join view 'test.v'
drop view v;
drop tables t1,t2,t3;
#
# MDEV-10704: Assertion `field->field->table == table_arg'
# failed in fill_record(THD*, TABLE*, List<Item>&, List<Item>&,
# bool, bool)
#
CREATE TABLE t1 (i INT);
CREATE TABLE t2 (j INT);
CREATE TABLE t3 (k INT);
CREATE ALGORITHM = MERGE VIEW v AS SELECT j AS f1, k AS f2 FROM ( SELECT j FROM t1, t2 ) sq, t3;
REPLACE INTO v (f1,f2) VALUES (1,1);
ERROR HY000: Can not modify more than one base table through a join view 'test.v'
drop view v;
drop table t1,t2,t3;
#
# MDEV-12379: Server crashes in TABLE_LIST::is_with_table on
# SHOW CREATE VIEW
#
CREATE TABLE t (i INT);
CREATE VIEW v AS SELECT * FROM ( SELECT * FROM t ) sq;
DROP TABLE IF EXISTS t;
SHOW CREATE VIEW v;
View	Create View	character_set_client	collation_connection
v	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` AS select `sq`.`i` AS `i` from (select `test`.`t`.`i` AS `i` from `test`.`t`) `sq`	latin1	latin1_swedish_ci
Warnings:
Warning	1356	View 'test.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
DROP VIEW v;
#
# MDEV-13439: Database permissions are not enough to run a subquery
# with GROUP BY within a view
#
create database test_db;
use test_db;
create table t (i int);
create user foo@localhost;
grant all on test_db.* to foo@localhost;
connect  con1,localhost,foo,,;
use test_db;
create view v as select * from (select i from t group by i) sq;
select * from v;
i
disconnect con1;
connection default;
use test;
drop database test_db;
drop user foo@localhost;
#
# MDEV-13523: Group By in a View, called within a Stored Routine
# causes Error Code 1356 when a non-root user runs the routine for
# a second time
#
CREATE DATABASE bugTest;
USE bugTest;
CREATE TABLE `procViewTable` (`id` int(10), `someText` varchar(50) NOT NULL);
insert  into `procViewTable` values (1,'Test'), (2,'Test 2');
CREATE USER 'procView'@'%';
GRANT ALL PRIVILEGES ON `bugTest`.* TO 'procView'@'%';
CREATE DEFINER=`procView`@`%` VIEW `procViewSimple` AS (
select * from (
select `id` from `bugTest`.`procViewTable`
  ) `innerQuery`
  group by `innerQuery`.`id`
);
connect  con1,localhost,procView,,;
use bugTest;
prepare stmt from "SELECT * FROM procViewSimple";
execute stmt;
id
1
2
execute stmt;
id
1
2
disconnect con1;
connection default;
drop user procView;
drop view procViewSimple;
drop table procViewTable;
use test;
drop database bugTest;
#
# MDEV-13436: PREPARE doesn't work as expected & throws errors but
# MySQL is working fine
#
create table t1 (a int);
insert into t1 values (1),(2);
SET @sql_query = "
  CREATE VIEW v1 AS
    SELECT * FROM (
          SELECT CASE WHEN 1 IN (SELECT a from t1 where a < 2) THEN TRUE END AS testcase
    ) testalias
";
PREPARE stmt FROM @sql_query;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `testalias`.`testcase` AS `testcase` from (select case when 1 in (select `t1`.`a` from `t1` where `t1`.`a` < 2) then 1 end AS `testcase`) `testalias`	latin1	latin1_swedish_ci
SELECT * FROM v1;
testcase
1
drop view v1;
drop table t1;
#
# MDEV-18502: Server crash in find_field_in_tables upon 2nd execution of SP which causes ER_WRONG_GROUP_FIELD
#
CREATE TABLE t1 (id INT, f VARCHAR(1));
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 VALUES (1,'a'),(2,'b');
CREATE PROCEDURE sp() SELECT f AS f1, MAX(id) AS f2 FROM v1 GROUP BY f1, f2 ORDER BY f1;
CALL sp;
ERROR 42000: Can't group on 'f2'
CALL sp;
ERROR 42000: Can't group on 'f2'
DROP PROCEDURE sp;
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-24314: create view with derived table without default database
#
create database dummy;
use dummy;
drop database dummy;
create database db1;
create table db1.t1 (a int);
insert into db1.t1 values (3),(7),(1);
create view db1.v1 as select * from (select * from db1.t1) t;
show create view db1.v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `db1`.`v1` AS select `t`.`a` AS `a` from (select `db1`.`t1`.`a` AS `a` from `db1`.`t1`) `t`	latin1	latin1_swedish_ci
select * from db1.v1;
a
3
7
1
drop view db1.v1;
prepare stmt from "
create view db1.v1 as select * from (select * from db1.t1) t;
";
execute stmt;
deallocate prepare stmt;
show create view db1.v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `db1`.`v1` AS select `t`.`a` AS `a` from (select `db1`.`t1`.`a` AS `a` from `db1`.`t1`) `t`	latin1	latin1_swedish_ci
select * from db1.v1;
a
3
7
1
drop view db1.v1;
drop table db1.t1;
drop database db1;
use test;
#
# MDEV-16940: update of multi-table view returning error used in SP
#
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1), (2);
CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (2), (3);
CREATE VIEW v1 AS SELECT a, b FROM t1,t2;
CREATE PROCEDURE sp1() UPDATE v1 SET a = 8, b = 9;
CALL sp1;
ERROR HY000: Can not modify more than one base table through a join view 'test.v1'
CALL sp1;
ERROR HY000: Can not modify more than one base table through a join view 'test.v1'
DROP PROCEDURE sp1;
DROP VIEW v1;
DROP TABLE t1, t2;
#
# MDEV-23291: SUM column from a derived table returns invalid values
#
CREATE TABLE t1(a INT, b INT);
INSERT INTO t1 VALUES (1,1), (2,2);
CREATE view v1 AS
SELECT a as x, (select x) as y, (select y) as z FROM t1;
SELECT sum(z) FROM (SELECT a as x, (select x) as y, (select y) as z FROM t1) q;
sum(z)
3
SELECT sum(z) FROM v1;
sum(z)
3
DROP TABLE t1;
DROP VIEW v1;
#
# MDEV-26299: Some views force server (and mysqldump) to generate
# invalid SQL for their definitions
#
create view v1 as
select * from
(select
"12345678901234567890123456789012345678901234567890123456789012345") as t1;
drop view v1;
CREATE VIEW v1 AS select `t1`.`12345678901234567890123456789012345678901234567890123456789012345` AS `Name_exp_1` from (select '12345678901234567890123456789012345678901234567890123456789012345') `t1`;
drop view v1;
#
# MDEV-25631: view with outer reference in select used
#             as argument of set function
#
create table t1 (c int);
insert into t1 values (1);
create view v1 as select c from t1 where (select t1.c from t1 t) = 1;
select * from (select sum((select * from v1)) as r) dt;
r
1
with cte as (select c from t1 where (select t1.c from t1 t) = 1)
select * from (select sum((select * from cte)) as r) dt1
union
select * from (select sum((select * from cte)) as r) dt2;
r
1
drop view v1;
drop table t1;
#
# MDEV-17124: mariadb 10.1.34, views and prepared statements:
# ERROR 1615 (HY000): Prepared statement needs to be re-prepared
#
set @tdc= @@table_definition_cache, @tc= @@table_open_cache;
set global table_definition_cache= 400, table_open_cache= 400;
create table tt (a int, primary key(a)) engine=MyISAM;
create view v as select * from tt;
insert into tt values(1),(2),(3),(4);
prepare stmt from 'select * from tt';
#fill table definition cache
execute stmt;
a
1
2
3
4
prepare stmt from 'select * from v';
execute stmt;
a
1
2
3
4
drop database db;
drop view v;
drop table tt;
set global table_definition_cache= @tdc, table_open_cache= @tc;
#
# End of 10.2 tests
#
#
# Start of 10.3 tests
#
#
# MDEV-13197 Parser refactoring for CREATE VIEW,TRIGGER,SP,UDF,EVENT
#
ALTER VIEW IF NOT EXISTS v1 AS SELECT 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'IF NOT EXISTS v1 AS SELECT 1' at line 1
#
# MDEV-18605: Loss of column aliases by using view and group
#
CREATE TABLE t1 (id int, foo int);
CREATE VIEW v1 AS  SELECT id, IFNULL(foo,'') AS foo FROM t1;
INSERT INTO t1 (id, foo) VALUES (1,1),(2,2);
SELECT v.id, v.foo AS bar  FROM v1 v
WHERE id = 2;
id	bar
2	2
SELECT v.id, v.foo AS bar  FROM v1 v
GROUP BY v.id;
id	bar
1	1
2	2
SELECT v.id, v.foo AS bar  FROM v1 v
WHERE id = 2
GROUP BY v.id;
id	bar
2	2
Drop View v1;
Drop table t1;
#
# MDEV-24281: Execution of PREPARE from CREATE VIEW statement
#
create table t1 (s1 int);
insert into t1 values (3), (7), (1);
prepare stmt from "
create view v1 as select 's1', s1, 1 as My_exp_s1 from t1;
";
execute stmt;
deallocate prepare stmt;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 's1' AS `My_exp_1_s1`,`t1`.`s1` AS `s1`,1 AS `My_exp_s1` from `t1`	latin1	latin1_swedish_ci
select * from v1;
My_exp_1_s1	s1	My_exp_s1
s1	3	1
s1	7	1
s1	1	1
drop view v1;
prepare stmt from "
create view v1 as select 's1', s1, 1 as My_exp_s1 from t1;
";
execute stmt;
execute stmt;
ERROR 42S01: Table 'v1' already exists
deallocate prepare stmt;
drop view v1;
drop table t1;
#
# MDEV-28696 View created as "select b''; " references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
#
CREATE VIEW v1 as select b'';
SELECT * FROM v1;
b''

DROP VIEW v1;
#
# End of 10.3 tests
#
#
# MDEV-25206: view specification contains unknown column reference
#
CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (b int);
INSERT INTO t2 VALUES (2),(3);
CREATE TABLE t3 (c int);
CREATE VIEW v1 AS SELECT * FROM t1 JOIN t2 ON t1.x > t2.b;
ERROR 42S22: Unknown column 't1.x' in 'ON'
INSERT INTO t3 SELECT * FROM t1 JOIN t2 ON t1.x > t2.b;
ERROR 42S22: Unknown column 't1.x' in 'ON'
CREATE TABLE t4 AS SELECT * FROM t1 JOIN t2 ON t1.x > t2.b;
ERROR 42S22: Unknown column 't1.x' in 'ON'
DROP TABLE t1,t2,t3;
#
# MDEV-29088: view specification contains unknown column in ON condition
#
create table t1 (a int);
create table t2 (b int);
create table t3 (c int);
create view v as
select * from t1 left join t2 on t1.a=t2.b and t1.a in (select d from t3);
ERROR 42S22: Unknown column 'd' in 'SELECT'
create algorithm=merge view v as
select * from t1 left join t2 on t1.a=t2.b and t1.a in (select d from t3);
ERROR 42S22: Unknown column 'd' in 'SELECT'
drop table t1,t2,t3;
#
# MDEV-31189: Server crash or assertion failure in upon 2nd
# execution of PS with views and HAVING
#
CREATE TABLE t (f INT);
INSERT INTO t VALUES (1),(2);
CREATE VIEW v1 AS SELECT 1 AS a;
CREATE VIEW v2 AS SELECT a FROM v1;
PREPARE stmt FROM "SELECT * FROM v2 HAVING 1 IN (SELECT f FROM t)";
EXECUTE stmt;
a
1
EXECUTE stmt;
a
1
DROP VIEW v1;
DROP VIEW v2;
DROP TABLE t;
# End of 10.4 tests
#
# MDEV-29537: Creation of view with UNION and SELECT ... FOR UPDATE
# in definition is failed with error
#
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT 1 FROM t1
UNION
SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
FOR UPDATE;
SELECT * FROM v1;
1
1
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `1` from `t1` union select 1 AS `1` from DUAL  where 1 group by 1 having 1 order by 1 for update	latin1	latin1_swedish_ci
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (i INT);
CREATE VIEW v1 AS SELECT 1 FROM t1
UNION
(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
FOR UPDATE);
SELECT * FROM v1;
1
1
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `1` from `t1` union (select 1 AS `1` from DUAL  where 1 group by 1 having 1 for update)	latin1	latin1_swedish_ci
DROP VIEW v1;
DROP TABLE t1;
#
# MDEV-35090: (Item_func_current_user) Assertion
# `typeid(*copy) == typeid(*this)' failed in
# Item_func_or_sum::do_build_clone
#
CREATE VIEW v AS SELECT 1;
SELECT * FROM v WHERE UpdateXML('<user>N/A</user>','/a',CURRENT_USER());
1
Warnings:
Warning	1292	Truncated incorrect BOOLEAN value: '<user>N/A</user>'
DROP VIEW v;
# End of 10.5 tests
#
# MDEV-13115: SELECT .. SKIP LOCKED - ensure SHOW CREATE VIEW is correct
#
CREATE TABLE t1 (id int, foo int);
CREATE VIEW v1 AS  SELECT id, IFNULL(foo,'') AS foo FROM t1 LOCK IN SHARE MODE;
CREATE VIEW v2 AS  SELECT id, IFNULL(foo,'') AS foo FROM t1 FOR UPDATE;
CREATE VIEW v3 AS  SELECT id, IFNULL(foo,'') AS foo FROM t1 LOCK IN SHARE MODE SKIP LOCKED;
CREATE VIEW v4 AS  SELECT id, IFNULL(foo,'') AS foo FROM t1 FOR UPDATE SKIP LOCKED;
SHOW CREATE VIEW v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`id` AS `id`,ifnull(`t1`.`foo`,'') AS `foo` from `t1` lock in share mode	latin1	latin1_swedish_ci
SHOW CREATE VIEW v2;
View	Create View	character_set_client	collation_connection
v2	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t1`.`id` AS `id`,ifnull(`t1`.`foo`,'') AS `foo` from `t1` for update	latin1	latin1_swedish_ci
SHOW CREATE VIEW v3;
View	Create View	character_set_client	collation_connection
v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t1`.`id` AS `id`,ifnull(`t1`.`foo`,'') AS `foo` from `t1` lock in share mode skip locked	latin1	latin1_swedish_ci
SHOW CREATE VIEW v4;
View	Create View	character_set_client	collation_connection
v4	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v4` AS select `t1`.`id` AS `id`,ifnull(`t1`.`foo`,'') AS `foo` from `t1` for update skip locked	latin1	latin1_swedish_ci
Drop View v1;
Drop View v2;
Drop View v3;
Drop View v4;
Drop table t1;
#
# MDEV-26456: SIGSEGV in flush_tables_with_read_lock on FLUSH TABLE
#
CREATE FUNCTION f() RETURNS INT RETURN (SELECT 1 FROM t);
CREATE VIEW v AS SELECT f();
SELECT * FROM v;
ERROR HY000: View 'test.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
FLUSH TABLE v WITH READ LOCK;
UNLOCK TABLES;
FLUSH TABLES v FOR EXPORT;
UNLOCK TABLES;
SELECT * FROM v;
ERROR HY000: View 'test.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
DROP VIEW v;
DROP FUNCTION f;
#
# MDEV-32164 Server crashes in JOIN::cleanup after erroneous query with
# view
#
CREATE TABLE t1 (a INT, b INT, KEY (a,b)) ENGINE=InnoDB;
CREATE VIEW v1 AS SELECT a FROM t1 WHERE a != '' GROUP BY a;
INSERT INTO t1 VALUES (1,NULL),(2,0),(3,NULL);
CREATE TABLE t2 (c INT) ENGINE=InnoDB;
CREATE TEMPORARY TABLE tmp SELECT v1.a FROM v1 JOIN t2 ON (v1.a = t2.c);
ERROR 22007: Truncated incorrect DECIMAL value: ''
DROP VIEW v1;
DROP TABLE t1, t2;
#
# End of 10.6 tests
#
#
# MDEV-29587: Allowing insert into a view with columns that
# are not part the table
#
# view with 2 the same fields
CREATE TABLE table1 (x INT);
CREATE VIEW view1 AS SELECT x, x as x1 FROM table1;
INSERT INTO view1(x) VALUES (1);
INSERT INTO view1(x1) VALUES (1);
INSERT INTO view1(x1,x) VALUES (1,1);
ERROR HY000: The target table view1 of the INSERT is not insertable-into
DROP VIEW view1;
DROP TABLE table1;
# view with a field and expression over the field
CREATE TABLE table1 (x INT);
CREATE VIEW view1 AS SELECT x, x + 1 as x1 FROM table1;
INSERT INTO view1(x) VALUES (1);
INSERT INTO view1(x1) VALUES (1);
ERROR HY000: The target table view1 of the INSERT is not insertable-into
INSERT INTO view1(x1,x) VALUES (1,1);
ERROR HY000: The target table view1 of the INSERT is not insertable-into
DROP VIEW view1;
DROP TABLE table1;
# view with a field and collation expression over the field
CREATE TABLE table1 (x char(20));
CREATE VIEW view1 AS SELECT x, x collate latin1_german1_ci as x1 FROM table1;
INSERT INTO view1(x) VALUES ("ua");
# we can insert in the field with collation
INSERT INTO view1(x1) VALUES ("ua");
INSERT INTO view1(x1,x) VALUES ("ua","ua");
ERROR HY000: The target table view1 of the INSERT is not insertable-into
DROP VIEW view1;
DROP TABLE table1;
# view with a field and expression over other field
CREATE TABLE table1 (x INT, y INT);
CREATE VIEW view1 AS SELECT x, y + 1 as x1 FROM table1;
INSERT INTO view1(x) VALUES (1);
INSERT INTO view1(x1) VALUES (1);
ERROR HY000: The target table view1 of the INSERT is not insertable-into
INSERT INTO view1(x1,x) VALUES (1,1);
ERROR HY000: The target table view1 of the INSERT is not insertable-into
DROP VIEW view1;
DROP TABLE table1;
#
# End of 10.11 test
#
ALTER DATABASE test CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci;