mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 15:50:51 +03:00
77cf84186e
The problem was then when a column reference was resolved to a view column, the new Item created for this column contained the name of the view, and not the view alias.
2301 lines
68 KiB
Plaintext
2301 lines
68 KiB
Plaintext
drop table if exists t1,t2,t9,`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 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) 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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select (`t1`.`b` + 1) AS `c` from `t1`
|
||
show create view v1;
|
||
View Create View
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select (`t1`.`b` + 1) AS `c` from `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`.`t1`
|
||
create algorithm=temptable view v2 (c) as select b+1 from t1;
|
||
show create view v2;
|
||
View Create View
|
||
v2 CREATE ALGORITHM=TEMPTABLE DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select (`t1`.`b` + 1) AS `c` from `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`.`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 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`.`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 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 10 Fixed 5 9 45 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
|
||
v1 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 VIEW
|
||
v3 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 VIEW
|
||
v5 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 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
|
||
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;
|
||
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 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(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;
|
||
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 Extra
|
||
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 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 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 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
|
||
v1 CREATE VIEW "v1" AS select "t1"."a*b" AS "a*b" from "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'
|
||
drop procedure if exists p1;
|
||
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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select `t2`.`a` AS `a` from `t2` where `a` in (select `v1`.`a` AS `a` from `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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `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 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`)
|
||
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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select (`t2`.`col1` collate latin1_german1_ci) AS `col1 collate latin1_german1_ci` from `t2`
|
||
show create view v2;
|
||
View Create View
|
||
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`
|
||
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 10 Fixed 0 0 0 # 1024 0 NULL # # NULL latin1_swedish_ci NULL
|
||
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)
|
||
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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 99999999999999999999999999999999999999999999999999999 AS `col1`
|
||
drop view v1;
|
||
create table t<> (c<> char);
|
||
create view v<> as select c<> from t<>;
|
||
insert into v<> values ('<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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `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 table t1 (a int);
|
||
create view v1 as select a from t1;
|
||
create database seconddb;
|
||
rename table v1 to seconddb.v1;
|
||
ERROR HY000: Changing schema from 'test' to 'seconddb' is not allowed.
|
||
rename table v1 to v2;
|
||
drop table t1;
|
||
drop view v2;
|
||
drop database seconddb;
|
||
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;
|
||
create view v3 as select v2.col1 from v2,t2 where v2.col1 = t2.col1;
|
||
update v2 set col1 = (select max(col1) from v1);
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 'v2'.
|
||
update v2 set col1 = (select max(col1) from t1);
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 'v2'.
|
||
update v2 set col1 = (select max(col1) from v2);
|
||
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
|
||
update v2,t2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 'v2'.
|
||
update t1,t2 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 't1'.
|
||
update v1,t2 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 'v1' for update in FROM clause
|
||
update t2,v2 set v2.col1 = (select max(col1) from v1) where v2.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 't2'.
|
||
update t2,t1 set t1.col1 = (select max(col1) from v1) where t1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 't2'.
|
||
update t2,v1 set v1.col1 = (select max(col1) from v1) where v1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 't2'.
|
||
update v2,t2 set v2.col1 = (select max(col1) from t1) where v2.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 'v2'.
|
||
update t1,t2 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 't1' for update in FROM clause
|
||
update v1,t2 set v1.col1 = (select max(col1) from t1) where v1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 'v1'.
|
||
update t2,v2 set v2.col1 = (select max(col1) from t1) where v2.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 't2' for update in FROM clause
|
||
update t2,t1 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 't2' for update in FROM clause
|
||
update t2,v1 set v1.col1 = (select max(col1) from t1) where v1.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 't2' for update in FROM clause
|
||
update v2,t2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
|
||
update t1,t2 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 't1'.
|
||
update v1,t2 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 'v1'.
|
||
update t2,v2 set v2.col1 = (select max(col1) from v2) where v2.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 't2'.
|
||
update t2,t1 set t1.col1 = (select max(col1) from v2) where t1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 't2'.
|
||
update t2,v1 set v1.col1 = (select max(col1) from v2) where v1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 't2'.
|
||
update v3 set v3.col1 = (select max(col1) from v1);
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 'v3'.
|
||
update v3 set v3.col1 = (select max(col1) from t1);
|
||
ERROR HY000: The definition of table 'v3' prevents operation UPDATE on table 'v3'.
|
||
update v3 set v3.col1 = (select max(col1) from v2);
|
||
ERROR HY000: The definition of table 'v2' prevents operation UPDATE on table 'v3'.
|
||
update v3 set v3.col1 = (select max(col1) from v3);
|
||
ERROR HY000: You can't specify target table 'v3' for update in FROM clause
|
||
delete from v2 where col1 = (select max(col1) from v1);
|
||
ERROR HY000: The definition of table 'v1' prevents operation DELETE on table 'v2'.
|
||
delete from v2 where col1 = (select max(col1) from t1);
|
||
ERROR HY000: The definition of table 'v2' prevents operation DELETE on table 'v2'.
|
||
delete from v2 where col1 = (select max(col1) from v2);
|
||
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
|
||
delete v2 from v2,t2 where (select max(col1) from v1) > 0 and v2.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation DELETE on table 'v2'.
|
||
delete t1 from t1,t2 where (select max(col1) from v1) > 0 and t1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation DELETE on table 't1'.
|
||
delete v1 from v1,t2 where (select max(col1) from v1) > 0 and v1.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 'v1' for update in FROM clause
|
||
delete v2 from v2,t2 where (select max(col1) from t1) > 0 and v2.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation DELETE on table 'v2'.
|
||
delete t1 from t1,t2 where (select max(col1) from t1) > 0 and t1.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 't1' for update in FROM clause
|
||
delete v1 from v1,t2 where (select max(col1) from t1) > 0 and v1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v1' prevents operation DELETE on table 'v1'.
|
||
delete v2 from v2,t2 where (select max(col1) from v2) > 0 and v2.col1 = t2.col1;
|
||
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
|
||
delete t1 from t1,t2 where (select max(col1) from v2) > 0 and t1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation DELETE on table 't1'.
|
||
delete v1 from v1,t2 where (select max(col1) from v2) > 0 and v1.col1 = t2.col1;
|
||
ERROR HY000: The definition of table 'v2' prevents operation DELETE on table 'v1'.
|
||
insert into v2 values ((select max(col1) from v1));
|
||
ERROR HY000: The definition of table 'v1' prevents operation INSERT on table 'v2'.
|
||
insert into t1 values ((select max(col1) from v1));
|
||
ERROR HY000: The definition of table 'v1' prevents operation INSERT on table 't1'.
|
||
insert into v2 values ((select max(col1) from v1));
|
||
ERROR HY000: The definition of table 'v1' prevents operation INSERT on table 'v2'.
|
||
insert into v2 values ((select max(col1) from t1));
|
||
ERROR HY000: The definition of table 'v2' prevents operation INSERT on table 'v2'.
|
||
insert into t1 values ((select max(col1) from t1));
|
||
ERROR HY000: You can't specify target table 't1' for update in FROM clause
|
||
insert into v2 values ((select max(col1) from t1));
|
||
ERROR HY000: The definition of table 'v2' prevents operation INSERT on table 'v2'.
|
||
insert into v2 values ((select max(col1) from v2));
|
||
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
|
||
insert into t1 values ((select max(col1) from v2));
|
||
ERROR HY000: The definition of table 'v2' prevents operation INSERT on table 't1'.
|
||
insert into v2 values ((select max(col1) from v2));
|
||
ERROR HY000: You can't specify target table 'v2' for update in FROM clause
|
||
insert into v3 (col1) values ((select max(col1) from v1));
|
||
ERROR HY000: The definition of table 'v1' prevents operation INSERT on table 'v3'.
|
||
insert into v3 (col1) values ((select max(col1) from t1));
|
||
ERROR HY000: The definition of table 'v3' prevents operation INSERT on table 'v3'.
|
||
insert into v3 (col1) values ((select max(col1) from v2));
|
||
ERROR HY000: The definition of table 'v2' prevents operation INSERT on table 'v3'.
|
||
insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from v2));
|
||
ERROR HY000: The definition of table 'v2' prevents operation INSERT on table 'v3'.
|
||
insert into v3 (col1) values ((select CONVERT_TZ('20050101000000','UTC','MET') from t2));
|
||
insert into mysql.time_zone values ('', (select CONVERT_TZ('20050101000000','UTC','MET') from t2));
|
||
ERROR 23000: Column 'Use_leap_seconds' 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
|
||
1
|
||
2
|
||
3
|
||
3
|
||
drop view v4,v3,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 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
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1`
|
||
alter algorithm=undefined view v1 as select * from t1 with check option;
|
||
show create view v1;
|
||
View Create View
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `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 DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `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_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 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: The target table v4 of the INSERT is not updatable
|
||
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`.`t1` left join (`test`.`t2`) 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 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 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;
|
||
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 clause'
|
||
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)
|
||
1.00
|
||
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
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `t1`.`a` AS `a`,`t2`.`b` AS `b`,(`t1`.`a` < now()) AS `t1.a < now()` from (`t1` join `t2`) where (`t1`.`a` < now())
|
||
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
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `t1`.`a` AS `a` from `t1` where (`t1`.`a` = current_user())
|
||
DROP VIEW v1;
|
||
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = VERSION();
|
||
SHOW CREATE VIEW v1;
|
||
View Create View
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` = version())
|
||
DROP VIEW v1;
|
||
CREATE VIEW v1 AS SELECT * FROM t1 WHERE a = DATABASE();
|
||
SHOW CREATE VIEW v1;
|
||
View Create View
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `t1`.`a` AS `a` from `t1` where (`t1`.`a` = database())
|
||
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 View 'test.v1' references invalid table(s) or column(s) or function(s)
|
||
test.v2 check status OK
|
||
test.v3 check error View 'test.v3' references invalid table(s) or column(s) or function(s)
|
||
test.v4 check status OK
|
||
test.v5 check error View 'test.v5' references invalid table(s) or column(s) or function(s)
|
||
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 View 'test.v1' references invalid table(s) or column(s) or function(s)
|
||
test.v2 check status OK
|
||
test.v3 check error View 'test.v3' references invalid table(s) or column(s) or function(s)
|
||
test.v4 check status OK
|
||
test.v5 check error View 'test.v5' references invalid table(s) or column(s) or function(s)
|
||
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 error Table 'test.t1' doesn't exist
|
||
test.v2 check status OK
|
||
test.v3 check error Table 'test.t1' doesn't exist
|
||
test.v4 check status OK
|
||
test.v5 check error Table 'test.t1' doesn't exist
|
||
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 VIEW v1 AS SELECT ENCRYPT("dhgdhgd");
|
||
SELECT * FROM v1;
|
||
drop view v1;
|
||
CREATE VIEW v1 AS SELECT SUBSTRING_INDEX("dkjhgd:kjhdjh", ":", 1);
|
||
SELECT * FROM v1;
|
||
SUBSTRING_INDEX("dkjhgd:kjhdjh", ":", 1)
|
||
dkjhgd
|
||
drop view v1;
|
||
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
|
||
update t1 set f60=(select max(f60) from v1);
|
||
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 't1'.
|
||
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
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select var_samp(`t1`.`s1`) AS `var_samp(s1)` from `t1`
|
||
drop view v1;
|
||
drop table t1;
|
||
set sql_mode='strict_all_tables';
|
||
CREATE TABLE t1 (col1 INT NOT NULL, col2 INT NOT NULL) ENGINE = INNODB;
|
||
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) ENGINE = innodb;
|
||
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 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 tinyint(1), f2 char(1), f3 varchar(1), f4 geometry, f5 datetime);
|
||
create view v1 as select * from t1;
|
||
desc v1;
|
||
Field Type Null Key Default Extra
|
||
f1 tinyint(1) YES NULL
|
||
f2 char(1) YES NULL
|
||
f3 varchar(1) YES NULL
|
||
f4 geometry YES NULL
|
||
f5 datetime YES NULL
|
||
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)
|
||
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
|
||
) engine = InnoDB;
|
||
create table t2 (
|
||
r_object_id char(16) NOT NULL,
|
||
i_position int(11) NOT NULL,
|
||
users_names varchar(32) default NULL
|
||
) Engine = InnoDB;
|
||
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 definer=some_user@__% sql security invoker view v1 as select 1;
|
||
ERROR HY000: View definer is not fully qualified
|
||
create definer=some_user@localhost sql security invoker view v1 as select 1;
|
||
Warnings:
|
||
Note 1449 There is not some_user@localhost registered
|
||
show create view v1;
|
||
View Create View
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`some_user`@`localhost` SQL SECURITY INVOKER VIEW `v1` AS select 1 AS `1`
|
||
drop view v1;
|
||
create table t1 (s1 int);
|
||
create view abc as select * from t1 as abc;
|
||
drop table t1;
|
||
drop view abc;
|
||
create table t1(f1 char(1));
|
||
create view v1 as select * from t1;
|
||
select * from (select f1 as f2 from v1) v where v.f2='a';
|
||
f2
|
||
drop view v1;
|
||
drop table t1;
|
||
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
|
||
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select dayname(`t1`.`date`) AS `DAYNAME(date)` from `t1`
|
||
CREATE VIEW v2 AS SELECT DAYOFWEEK(date) FROM t1;
|
||
SHOW CREATE VIEW v2;
|
||
View Create View
|
||
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v2` AS select dayofweek(`t1`.`date`) AS `DAYOFWEEK(date)` from `t1`
|
||
CREATE VIEW v3 AS SELECT WEEKDAY(date) FROM t1;
|
||
SHOW CREATE VIEW v3;
|
||
View Create View
|
||
v3 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select weekday(`t1`.`date`) AS `WEEKDAY(date)` from `t1`
|
||
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;
|