SET @@session.default_storage_engine = 'MyISAM';
create table t1 (a int not null,
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
insert into t1 (a) values (1), (1), (2), (2), (3);
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	Engine-independent statistics collected
test.t1	analyze	status	OK
create view v1 (d,e) as select abs(b), abs(c) from t1;
select d,e from v1;
d	e
1	1
1	1
2	2
2	2
3	3
select is_updatable from information_schema.views where table_name='v1';
is_updatable
NO
explain select d,e from v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	X	
create algorithm=temptable view v2 (d,e) as select abs(b), abs(c) 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 abs(`t1`.`b`) AS `d`,abs(`t1`.`c`) AS `e` from `t1`	latin1	latin1_swedish_ci
select d,e from v2;
d	e
1	1
1	1
2	2
2	2
3	3
explain select d,e from v2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	X	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	X	
create view v3 (d,e) as select d*2, e*2 from v1;
select * from v3;
d	e
2	2
2	2
4	4
4	4
6	6
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	X	
drop view v1,v2,v3;
drop table t1;
create table t1 (a int not null,
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
insert into t1 (a) values (1), (2), (3), (1), (2), (3);
create view v1 as select distinct b from t1;
select * from v1;
b
-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	X	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	X	Using temporary
select * from t1;
a	b	c
1	-1	-1
1	-1	-1
2	-2	-2
2	-2	-2
3	-3	-3
3	-3	-3
drop view v1;
create view v1 as select distinct c from t1;
select * from v1;
c
-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	X	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	X	Using temporary
select * from t1;
a	b	c
1	-1	-1
1	-1	-1
2	-2	-2
2	-2	-2
3	-3	-3
3	-3	-3
drop view v1;
drop table t1;
create table t1 (a int not null,
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
insert into t1 (a) values (1), (2), (3), (4);
create view v1 as select b+1 from t1 order by 1 desc limit 2;
select * from v1;
b+1
0
-1
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	X	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	X	Using filesort
drop view v1;
create view v1 as select c+1 from t1 order by 1 desc limit 2;
select * from v1;
c+1
-1
0
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	X	
2	DERIVED	t1	ALL	NULL	NULL	NULL	NULL	X	Using filesort
drop view v1;
drop table t1;
create table t1 (a int,
b int,
c int generated always as (-a) virtual,
d int generated always as (-a) stored,
primary key(a));
insert into t1 (a,b) values (10,2), (20,3), (30,4), (40,5), (50,10);
create view v1 (a,e,f,g) as select a, b+1,c+1,d+1 from t1;
update v1 set a=a+e;
select * from v1 order by a;
a	e	f	g
13	3	-12	-12
24	4	-23	-23
35	5	-34	-34
46	6	-45	-45
61	11	-60	-60
select * from t1 order by a;
a	b	c	d
13	2	-13	-13
24	3	-24	-24
35	4	-35	-35
46	5	-46	-46
61	10	-61	-61
delete from v1;
select * from v1;
a	e	f	g
select * from t1;
a	b	c	d
insert into v1 (a,e) values (60,15);
ERROR HY000: The target table v1 of the INSERT is not insertable-into
drop table t1;
drop view v1;
create table t1 (a int,
b int generated always as (-a) virtual,
c int generated always as (-a) stored,
primary key(a));
insert into t1 (a) values (1), (2), (3);
create view v1 (x,y,z) as select a,b,c from t1 where b < -1;
select t1.a, v1.x, v1.y, v1.z from t1 left join v1 on (t1.b= v1.y);
a	x	y	z
1	NULL	NULL	NULL
2	2	-2	-2
3	3	-3	-3
drop view v1;
create view v1 (x,y,z) as select a,b,c from t1 where c < -1;
select t1.a, v1.x, v1.y, v1.z from t1 left join v1 on (t1.c= v1.z);
a	x	y	z
1	NULL	NULL	NULL
2	2	-2	-2
3	3	-3	-3
drop view v1;
drop table t1;
create table t1 (a1 int,
b1 int generated always as (-a1) virtual,
c1 int generated always as (-a1) stored);
create table t2 (a2 int,
b2 int generated always as (-a2) virtual,
c2 int generated always as (-a2) stored);
insert into t1 (a1) values (1), (2);
insert into t2 (a2) values (2), (3);
create view v1 as select * from t1,t2 union all select * from t1,t2;
select * from v1;
a1	b1	c1	a2	b2	c2
1	-1	-1	2	-2	-2
1	-1	-1	2	-2	-2
1	-1	-1	3	-3	-3
1	-1	-1	3	-3	-3
2	-2	-2	2	-2	-2
2	-2	-2	2	-2	-2
2	-2	-2	3	-3	-3
2	-2	-2	3	-3	-3
drop view v1;
drop table t1, t2;
create table t1 (a int,
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
create table t2 like t1;
create view v1 as select a,b,c from t1;
create view v2 as select a,b,c from t2 where b in (select b 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`,`t2`.`b` AS `b`,`t2`.`c` AS `c` from `t2` where `t2`.`b` in (select `v1`.`b` from `v1`)	latin1	latin1_swedish_ci
drop view v2, v1;
drop table t1, t2;
create table t1 (a int,
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
insert into t1 (a) values (1),(1),(2),(2),(3),(3);
create view v1 as select b from t1;
select distinct b from v1;
b
-1
-2
-3
select distinct b from v1 order by b limit 2;
b
-3
-2
select distinct b from t1 order by b limit 2;
b
-3
-2
prepare stmt1 from "select distinct b from v1 order by b limit 2";
execute stmt1;
b
-3
-2
execute stmt1;
b
-3
-2
deallocate prepare stmt1;
drop view v1;
create view v1 as select c from t1;
select distinct c from v1;
c
-1
-2
-3
select distinct c from v1 order by c limit 2;
c
-3
-2
select distinct c from t1 order by c limit 2;
c
-3
-2
prepare stmt1 from "select distinct c from v1 order by c limit 2";
execute stmt1;
c
-3
-2
execute stmt1;
c
-3
-2
deallocate prepare stmt1;
drop view v1;
drop table t1;
create table t1 (a int,
b int generated always as (-a) virtual,
c int generated always as (-a) stored);
create view v1 as select * from t1 where b > -2 && c >-2 with check option;
insert into v1 (a) values (1);
insert into v1 (a) values (3);
ERROR 44000: CHECK OPTION failed `test`.`v1`
insert ignore into v1 (a) values (2),(3),(0);
Warnings:
Warning	1369	CHECK OPTION failed `test`.`v1`
Warning	1369	CHECK OPTION failed `test`.`v1`
select * from t1;
a	b	c
0	0	0
1	-1	-1
drop view v1;
drop table t1;
#
# MDEV-18166 ASSERT_COLUMN_MARKED_FOR_READ failed on tables with vcols
#
CREATE TABLE t1 (d DATETIME(3), v DATETIME(2) AS (d));
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 (d) VALUES ('2004-04-19 15:37:39.123'),
('1985-12-24 10:15:08.456');
DELETE FROM v1 ORDER BY v LIMIT 4;
DROP VIEW v1;
DROP TABLE t1;
#
# [duplicate] MDEV-19306 Assertion `marked_for_read()' failed in
# Field_blob::val_str with virtual columns and views
#
CREATE TABLE t1 (a BLOB, b TEXT AS (a) VIRTUAL);
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 (a) VALUES ('foo'),('bar');
DELETE FROM v1 ORDER BY b LIMIT 2;
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (d INT, v TINYINT AS (d));
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 (d) VALUES ('2004'),('1985') ;
DELETE FROM v1 ORDER BY v LIMIT 4;
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (d VARCHAR(64), v VARCHAR(63) AS (d));
CREATE VIEW v1 AS SELECT * FROM t1;
INSERT INTO t1 (d) VALUES ('2004-04-19 15:37:39.123'),('1985-12-24 10:15:08.456') ;
DELETE FROM v1 ORDER BY v LIMIT 4;
DROP TABLE t1;
DROP VIEW v1;
#
# MDEV-18249 ASSERT_COLUMN_MARKED_FOR_READ failed in ANALYZE TABLE
#
create table t1 (c varchar(3) not null, v varchar(4) as (c) virtual);
insert into t1 (c) values ('a'),('b');
analyze table t1 persistent for columns (v) indexes ();
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	Engine-independent statistics collected
test.t1	analyze	status	OK
DROP VIEW  IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2,t3;
DROP PROCEDURE IF EXISTS p1;
DROP FUNCTION IF EXISTS f1;
DROP TRIGGER IF EXISTS trg1;
DROP TRIGGER IF EXISTS trg2;
set sql_warnings = 0;