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e52c48bb7d44b86d57c2b0f8feae732db69b813d
mariadb/mysql-test/r/view.result
unknown 6130a3ad7c View field names should be case insensitive
2005-01-19 16:19:10 +03:00

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drop table if exists t1,t2,`t1a``b`,v1,v2,v3,v4,v5,v6;
drop view if exists t1,t2,`t1a``b`,v1,v2,v3,v4,v5,v6;
drop database if exists mysqltest;
use test;
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 contains 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) as select b+1 from t1;
select c from v1;
c
3
4
5
6
11
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
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select (`test`.`t1`.`b` + 1) AS `c` from `test`.`t1`
show create view v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select (`test`.`t1`.`b` + 1) AS `c` from `test`.`t1`
show create view t1;
ERROR HY000: 'test.t1' is not VIEW
drop table t1;
select a from v1;
ERROR 42S22: Unknown column 'a' in 'field list'
select v1.a from v1;
ERROR 42S22: Unknown column 'v1.a' in 'field list'
select b from v1;
ERROR 42S22: Unknown column 'b' in 'field list'
select v1.b from v1;
ERROR 42S22: Unknown column 'v1.b' in 'field list'
explain extended select c from v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 select (`test`.`t1`.`b` + 1) AS `c` from `test`.`v1`
create algorithm=temptable view v2 (c) as select b+1 from t1;
show create view v2;
View Create View
v2 CREATE ALGORITHM=TEMPTABLE VIEW `test`.`v2` AS select (`test`.`t1`.`b` + 1) AS `c` from `test`.`t1`
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 Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5
2 DERIVED t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 select `v2`.`c` AS `c` from `test`.`v2`
create view v3 (c) as select a+1 from v1;
ERROR 42S22: Unknown column 'a' in 'field list'
create view v3 (c) as select b+1 from v1;
ERROR 42S22: Unknown column 'b' in 'field list'
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 Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 select ((`test`.`t1`.`b` + 1) + 1) AS `c` from `test`.`v3`
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 Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5
2 DERIVED <derived3> ALL NULL NULL NULL NULL 5
3 DERIVED t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 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 Extra
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 5
3 DERIVED t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 select (`v2`.`c` + 1) AS `c` from `test`.`v5`
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 Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5
2 DERIVED t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 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
t1 MyISAM 9 Fixed 5 9 45 38654705663 1024 0 NULL # # NULL latin1_swedish_ci NULL
v1 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
v2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
v3 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
v4 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
v5 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
v6 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL # # NULL NULL NULL NULL view
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
grant create view on test.* to test@localhost;
show grants for test@localhost;
Grants for test@localhost
GRANT USAGE ON *.* TO 'test'@'localhost'
GRANT CREATE VIEW ON `test`.* TO 'test'@'localhost'
revoke create view on test.* from test@localhost;
show grants for test@localhost;
Grants for test@localhost
GRANT USAGE ON *.* TO 'test'@'localhost'
drop view v100;
ERROR 42S02: Unknown table 'test.v100'
drop view t1;
ERROR HY000: 'test.t1' is not VIEW
drop table v1;
ERROR 42S02: Unknown table 'v1'
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 a
1 NULL
2 2
3 3
select * from v2 natural left join t1;
a a
0 NULL
1 1
2 2
select * from v2 natural left join v1;
a a
0 NULL
1 NULL
2 2
drop view v1, v2;
drop table t1;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
grant select on mysqltest.t1 to mysqltest_1@localhost;
grant create view,select on test.* to mysqltest_1@localhost;
create view v1 as select * from mysqltest.t1;
alter view v1 as select * from mysqltest.t1;
ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v1'
create or replace view v1 as select * from mysqltest.t1;
ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v1'
create view mysqltest.v2 as select * from mysqltest.t1;
ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
create view v2 as select * from mysqltest.t2;
ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for table 't2'
revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
revoke all privileges on test.* from mysqltest_1@localhost;
drop database mysqltest;
drop view test.v1;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
select c from mysqltest.v1;
c
select d from mysqltest.v1;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'd' in table 'v1'
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create algorithm=temptable view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
grant select (c) on mysqltest.v1 to mysqltest_1@localhost;
select c from mysqltest.v1;
c
select d from mysqltest.v1;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'd' in table 'v1'
revoke all privileges on mysqltest.v1 from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
create view mysqltest.v1 (c,d) as select a+1,b+1 from mysqltest.t1;
create algorithm=temptable view mysqltest.v2 (c,d) as select a+1,b+1 from mysqltest.t1;
create view mysqltest.v3 (c,d) as select a+1,b+1 from mysqltest.t2;
create algorithm=temptable view mysqltest.v4 (c,d) as select a+1,b+1 from mysqltest.t2;
grant select on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.v2 to mysqltest_1@localhost;
grant select on mysqltest.v3 to mysqltest_1@localhost;
grant select on mysqltest.v4 to mysqltest_1@localhost;
select c from mysqltest.v1;
c
select c from mysqltest.v2;
c
select c from mysqltest.v3;
c
select c from mysqltest.v4;
c
show columns from mysqltest.v1;
Field Type Null Key Default Extra
c bigint(20) YES NULL
d bigint(20) YES NULL
show columns from mysqltest.v2;
Field Type Null Key Default Extra
c bigint(20) YES NULL
d bigint(20) YES NULL
explain select c from mysqltest.v1;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v1;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
explain select c from mysqltest.v2;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v2;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
explain select c from mysqltest.v3;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v3;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
explain select c from mysqltest.v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v4;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v4'
grant select on mysqltest.t1 to mysqltest_1@localhost;
explain select c from mysqltest.v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
show create view mysqltest.v1;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
explain select c from mysqltest.v2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
show create view mysqltest.v2;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v2'
explain select c from mysqltest.v3;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v3;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
explain select c from mysqltest.v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show create view mysqltest.v4;
ERROR 42000: SHOW VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v4'
grant show view on mysqltest.* to mysqltest_1@localhost;
explain select c from mysqltest.v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
show create view mysqltest.v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED VIEW `mysqltest`.`v1` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1`
explain select c from mysqltest.v2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
show create view mysqltest.v2;
View Create View
v2 CREATE ALGORITHM=TEMPTABLE VIEW `mysqltest`.`v2` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1`
explain select c from mysqltest.v3;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 0 const row not found
show create view mysqltest.v3;
View Create View
v3 CREATE ALGORITHM=UNDEFINED VIEW `mysqltest`.`v3` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2`
explain select c from mysqltest.v4;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
show create view mysqltest.v4;
View Create View
v4 CREATE ALGORITHM=TEMPTABLE VIEW `mysqltest`.`v4` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2`
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
drop database mysqltest;
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 3
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(17) 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;
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 database mysqltest;
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v3 (a,c) as select a, b+1 from mysqltest.t1;
grant update (a) on mysqltest.v2 to mysqltest_1@localhost;
grant update on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
update t2,v1 set v1.a=v1.a+v1.c where t2.x=v1.c;
select * from t1;
a b
13 2
24 3
35 4
46 5
50 10
update v1 set a=a+c;
select * from t1;
a b
16 2
28 3
40 4
52 5
61 10
update t2,v2 set v2.a=v2.a+v2.c where t2.x=v2.c;
select * from t1;
a b
16 2
31 3
44 4
57 5
61 10
update v2 set a=a+c;
select * from t1;
a b
18 2
34 3
48 4
62 5
71 10
update t2,v2 set v2.c=v2.a+v2.c where t2.x=v2.c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for column 'c' in table 'v2'
update v2 set c=a+c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for column 'c' in table 'v2'
update t2,v3 set v3.a=v3.a+v3.c where t2.x=v3.c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for table 'v3'
update v3 set a=a+c;
ERROR 42000: UPDATE command denied to user 'mysqltest_1'@'localhost' for table 'v3'
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
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 Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 Using where
Warnings:
Note 1003 select `test`.`t1`.`b` AS `c` from `test`.`v1` 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 database mysqltest;
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3), (3,4), (4,5), (5,10);
create table mysqltest.t2 (x int);
insert into mysqltest.t2 values (3), (4), (5), (6);
create view mysqltest.v1 (a,c) as select a, b+1 from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b+1 from mysqltest.t1;
grant delete on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
delete from v1 where c < 4;
select * from t1;
a b
2 3
3 4
4 5
5 10
delete v1 from t2,v1 where t2.x=v1.c;
select * from t1;
a b
5 10
delete v2 from t2,v2 where t2.x=v2.c;
ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v2'
delete from v2 where c < 4;
ERROR 42000: DELETE command denied to user 'mysqltest_1'@'localhost' for table 'v2'
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
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 updatable
insert into v4 values (-60,4,30);
ERROR HY000: The target table v4 of the INSERT is not updatable
insert into v5 values (-60,4,30);
ERROR HY000: The target table v5 of the INSERT is not updatable
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 updatable
insert into v4 select c, b, a from t2;
ERROR HY000: The target table v4 of the INSERT is not updatable
insert into v5 select c, b, a from t2;
ERROR HY000: The target table v5 of the INSERT is not updatable
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 database mysqltest;
create table mysqltest.t1 (a int, b int, primary key(a));
insert into mysqltest.t1 values (1,2), (2,3);
create table mysqltest.t2 (x int, y int);
insert into mysqltest.t2 values (3,4);
create view mysqltest.v1 (a,c) as select a, b from mysqltest.t1;
create view mysqltest.v2 (a,c) as select a, b from mysqltest.t1;
grant insert on mysqltest.v1 to mysqltest_1@localhost;
grant select on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
insert into v1 values (5,6);
select * from t1;
a b
1 2
2 3
5 6
insert into v1 select x,y from t2;
select * from t1;
a b
1 2
2 3
5 6
3 4
insert into v2 values (5,6);
ERROR 42000: INSERT command denied to user 'mysqltest_1'@'localhost' for table 'v2'
insert into v2 select x,y from t2;
ERROR 42000: INSERT command denied to user 'mysqltest_1'@'localhost' for table 'v2'
use test;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
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;
create database mysqltest;
create table mysqltest.t1 (a int, b int);
create table mysqltest.t2 (a int, b int);
grant update on mysqltest.t1 to mysqltest_1@localhost;
grant update(b) on mysqltest.t2 to mysqltest_1@localhost;
grant create view,update on test.* to mysqltest_1@localhost;
create view v1 as select * from mysqltest.t1;
create view v2 as select b from mysqltest.t2;
create view mysqltest.v1 as select * from mysqltest.t1;
ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v1'
create view v3 as select a from mysqltest.t2;
ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for column 'a' in table 't2'
create table mysqltest.v3 (b int);
grant create view on mysqltest.v3 to mysqltest_1@localhost;
drop table mysqltest.v3;
create view mysqltest.v3 as select b from mysqltest.t2;
grant create view, update on mysqltest.v3 to mysqltest_1@localhost;
drop view mysqltest.v3;
create view mysqltest.v3 as select b from mysqltest.t2;
grant create view, update, insert on mysqltest.v3 to mysqltest_1@localhost;
drop view mysqltest.v3;
create view mysqltest.v3 as select b from mysqltest.t2;
ERROR 42000: create view command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 'v3'
create table mysqltest.v3 (b int);
grant select(b) on mysqltest.v3 to mysqltest_1@localhost;
drop table mysqltest.v3;
create view mysqltest.v3 as select b from mysqltest.t2;
ERROR 42000: CREATE VIEW command denied to user 'mysqltest_1'@'localhost' for table 'v3'
create view v4 as select b+1 from mysqltest.t2;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 't2'
grant create view,update,select on test.* to mysqltest_1@localhost;
create view v4 as select b+1 from mysqltest.t2;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for column 'b' in table 't2'
grant update,select(b) on mysqltest.t2 to mysqltest_1@localhost;
create view v4 as select b+1 from mysqltest.t2;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_1@localhost;
drop database mysqltest;
drop view v1,v2,v4;
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
v1 CREATE VIEW "test"."v1" AS select `test`.`t1`.`a*b` AS `a*b` from `test`.`t1`
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)
drop table t1;
select * from v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s)
drop view v1;
create view v1 (a,a) as select 'a','a';
ERROR 42S21: Duplicate column name 'a'
create procedure p1 () begin declare v int; create view v1 as select v; end;//
call p1();
ERROR HY000: View's SELECT contains a variable or parameter
drop procedure p1;
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 * 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 column 'some_index' doesn't exist in table
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 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
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select sql_no_cache connection_id() AS `f1`,pi() AS `f2`,current_user() AS `f3`,version() AS `f4`
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
v2 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v2` AS select `test`.`t2`.`a` AS `a` from `test`.`t2` where `a` in (select `v1`.`a` AS `a` from `test`.`v1`)
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
v 1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v 1` AS select 5 AS `5`
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
v3 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v3` AS select `v1`.`col1` AS `a`,`v2`.`col1` AS `b` from `test`.`v1` join `test`.`v2` where (`v1`.`col1` = `v2`.`col1`)
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
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select `test`.`f``1`() AS `test.``f````1`` ()`
select * from v1;
test.`f``1` ()
5
drop view v1;
drop function `f``1`;
create function x () returns int return 5;
create view v1 as select x ();
select * from v1;
x ()
5
drop view v1;
drop function x;
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
v2 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v2` AS select (`test`.`t2`.`col1` collate latin1_german1_ci) AS `col1 collate latin1_german1_ci` from `test`.`t2`
show create view v2;
View Create View
v2 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v2` AS select (`test`.`t2`.`col1` collate latin1_german1_ci) AS `col1 collate latin1_german1_ci` from `test`.`t2`
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;
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)
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
t1 MyISAM 9 Fixed 0 0 0 21474836479 1024 0 NULL # # NULL latin1_swedish_ci NULL
v1 NULL 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)
drop view v1;
drop table t1;
create view v1 as select 99999999999999999999999999999999999999999999999999999 as col1;
show create view v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select 99999999999999999999999999999999999999999999999999999 AS `col1`
drop view v1;
create table t<> (c<> char);
create view v<> as select c<> from t<>;
insert into v<> values ('<27>');
select * from v<>;
c<EFBFBD>
<EFBFBD>
drop view v<>;
drop table t<>;
create table t1 (a int, b int);
insert into t1 values (1,2), (1,3), (2,4), (2,5), (3,10);
create view v1(c) as select a+1 from t1 where b >= 4;
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
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select cast(1 as char(3) charset latin1) AS `cast(1 as char(3))`
select * from v1;
cast(1 as char(3))
1
drop view v1;
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 HY000: View's SELECT contains a 'INTO' clause
create view v1 as select 5 into outfile 'ttt';
ERROR HY000: View's SELECT contains a 'INTO' clause
create table t1 (a int);
create view v1 as select a from t1 procedure analyse();
ERROR HY000: View's SELECT contains a 'PROCEDURE' clause
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 view v1 as select * from t1;
create view v2 as select * from v1;
update v2 set col1 = (select max(col1) from v1);
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
delete from v2 where col1 = (select max(col1) from v1);
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
insert into v2 values ((select max(col1) from v1));
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
drop view v2,v1;
drop table t1,t2;
create table t1 (s1 int);
create view v1 as select * from t1;
handler v1 open as xx;
ERROR HY000: 'test.v1' is not 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
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 HY000: CHECK OPTION failed 'test.v1'
insert ignore into v1 values (2),(3),(0);
Warnings:
Error 1369 CHECK OPTION failed 'test.v1'
Error 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 HY000: 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:
Error 1369 CHECK OPTION failed 'test.v1'
Error 1369 CHECK OPTION failed 'test.v1'
select * from t1;
a
1
0
update v1 set a=-1 where a=0;
update v1 set a=2 where a=1;
ERROR HY000: CHECK OPTION failed 'test.v1'
select * from t1;
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;
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:
Error 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 HY000: CHECK OPTION failed 'test.v2'
insert into v3 values (0);
ERROR HY000: CHECK OPTION failed 'test.v3'
insert into v2 values (2);
insert into v3 values (2);
ERROR HY000: 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 HY000: CHECK OPTION failed 'test.v1'
insert ignore into v1 values (1) on duplicate key update a=2;
Warnings:
Error 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 42000: Not unique table/alias: 'v1'
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 42000: Not unique table/alias: 'v1'
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
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select `test`.`t1`.`a` AS `a` from `test`.`t1`
alter algorithm=undefined view v1 as select * from t1 with check option;
show create view v1;
View Create View
v1 CREATE ALGORITHM=UNDEFINED VIEW `test`.`v1` AS select `test`.`t1`.`a` AS `a` from `test`.`t1` WITH CASCADED CHECK OPTION
alter algorithm=merge view v1 as select * from t1 with cascaded check option;
show create view v1;
View Create View
v1 CREATE ALGORITHM=MERGE VIEW `test`.`v1` AS select `test`.`t1`.`a` AS `a` from `test`.`t1` WITH CASCADED CHECK OPTION
alter algorithm=temptable view v1 as select * from t1;
show create view v1;
View Create View
v1 CREATE ALGORITHM=TEMPTABLE VIEW `test`.`v1` AS select `test`.`t1`.`a` AS `a` from `test`.`t1`
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 HY000: 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 HY000: 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);
ERROR HY000: CHECK OPTION failed 'test.v1'
insert ignore into v1 values (6),(3);
Warnings:
Error 1369 CHECK OPTION failed 'test.v1'
select * from t1;
s1
3
drop view v1;
drop table t1;
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 HY000: CHECK OPTION failed 'test.v1'
select * from v1;
s1
select * from t1;
s1
drop trigger t1.t1_bi;
drop view v1;
drop table t1;
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 HY000: 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 HY000: 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:
Warning 1264 Out of range value adjusted for column 'a' at row 3
Error 1369 CHECK OPTION failed 'test.v1'
Warning 1264 Out of range value adjusted for column 'a' at row 4
Error 1369 CHECK OPTION failed 'test.v1'
select * from t1;
a b
1 row 1
2 row 2
3 row 3
select * from v1;
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 HY000: 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:
Error 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 database mysqltest;
create table mysqltest.t1 (a int);
grant all privileges on mysqltest.* to mysqltest_1@localhost;
use mysqltest;
create view v1 as select * from t1;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
drop database mysqltest;
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 updatable
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 updatable
create view v4 as select * from v2 where 20 < (select (s1) from t1);
insert into v4 values (30);
ERROR HY000: You can't specify target table 'v4' for update in FROM clause
drop view 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 View 'test.v1' references invalid table(s) or column(s) or function(s)
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 Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
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`.`t1`.`a` = `test`.`t2`.`a`))) on((`test`.`t3`.`a` = `test`.`t1`.`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 Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
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`.`v1` left join `test`.`v2` on((`test`.`t1`.`a` = `test`.`t2`.`a`))) on((`test`.`t3`.`a` = `test`.`t1`.`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 t1 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 1263 Column set to default value; NULL supplied to NOT NULL column 'a' at row 2
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 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 1000
101 1000
300 1000
301 1000
100 10
101 10
300 10
301 10
100 2000
101 2000
300 2000
301 2000
100 0
101 0
300 0
301 0
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;
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