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drop table if exists t1,t2,t3,t11,t12;
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (1,1);
INSERT INTO t1 VALUES (1,2);
INSERT INTO t1 VALUES (1,3);
DELETE from t1 where a=1 limit 1;
DELETE from t1 where a=1;
INSERT INTO t1 VALUES (1,1);
DELETE from t1;
INSERT INTO t1 VALUES (1,2);
DELETE from t1;
INSERT INTO t1 VALUES (1,2);
SET AUTOCOMMIT=0;
DELETE from t1;
SET AUTOCOMMIT=1;
drop table t1;
create table t1 (
a bigint not null,
b bigint not null default 0,
c bigint not null default 0,
d bigint not null default 0,
e bigint not null default 0,
f bigint not null default 0,
g bigint not null default 0,
h bigint not null default 0,
i bigint not null default 0,
j bigint not null default 0,
primary key (a,b,c,d,e,f,g,h,i,j));
insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23);
delete from t1 where a=26;
drop table t1;
create table t1 (
a bigint not null,
b bigint not null default 0,
c bigint not null default 0,
d bigint not null default 0,
e bigint not null default 0,
f bigint not null default 0,
g bigint not null default 0,
h bigint not null default 0,
i bigint not null default 0,
j bigint not null default 0,
primary key (a,b,c,d,e,f,g,h,i,j));
insert into t1 (a) values (2),(4),(6),(8),(10),(12),(14),(16),(18),(20),(22),(24),(26),(23),(27);
delete from t1 where a=27;
drop table t1;
CREATE TABLE `t1` (
`i` int NOT NULL default '0',
`i2` int NOT NULL default '0',
PRIMARY KEY (`i`)
);
drop table t1;
CREATE TEMPORARY TABLE t1 (
bool char(0) default NULL,
not_null varchar(20) NOT NULL default '',
misc integer not null,
PRIMARY KEY (not_null)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (NULL,'a',4), (NULL,'b',5), (NULL,'c',6), (NULL,'d',7);
select * from t1 where misc > 5 and bool is null;
bool not_null misc
NULL c 6
NULL d 7
delete from t1 where misc > 5 and bool is null;
select * from t1 where misc > 5 and bool is null;
bool not_null misc
select count(*) from t1;
count(*)
2
delete from t1 where 1 > 2;
select count(*) from t1;
count(*)
2
delete from t1 where 3 > 2;
select count(*) from t1;
count(*)
0
drop table t1;
create table t11 (a int NOT NULL, b int, primary key (a));
create table t12 (a int NOT NULL, b int, primary key (a));
create table t2 (a int NOT NULL, b int, primary key (a));
insert into t11 values (0, 10),(1, 11),(2, 12);
insert into t12 values (33, 10),(0, 11),(2, 12);
insert into t2 values (1, 21),(2, 12),(3, 23);
select * from t11;
a b
0 10
1 11
2 12
select * from t12;
a b
0 11
2 12
33 10
select * from t2;
a b
1 21
2 12
3 23
select * from t11;
a b
0 10
1 11
2 12
select * from t12;
a b
0 11
2 12
33 10
select * from t11;
a b
0 10
1 11
2 12
select * from t12;
a b
0 11
2 12
33 10
delete from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
ERROR 21000: Subquery returns more than 1 row
select * from t11;
a b
0 10
1 11
2 12
delete ignore from t11 where t11.b <> (select b from t2 where t11.a < t2.a);
Warnings:
Error 1242 Subquery returns more than 1 row
Error 1242 Subquery returns more than 1 row
select * from t11;
a b
0 10
1 11
drop table t11, t12, t2;
create table t1 (a int, b int, unique key (a), key (b));
insert into t1 values (3, 3), (7, 7);
delete from t1 where a = 3;
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
select * from t1;
a b
7 7
drop table t1;
CREATE TABLE t1 ( a int PRIMARY KEY );
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
INSERT INTO t1 VALUES (0),(1),(2);
DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
SELECT * FROM t1;
a
0
2
DROP TABLE t1;
create table t1(f1 int primary key);
insert into t1 values (4),(3),(1),(2);
delete from t1 where (@a:= f1) order by f1 limit 1;
select @a;
@a
1
drop table t1;
CREATE TABLE t1 (
`date` date ,
`seq` int NOT NULL auto_increment,
PRIMARY KEY (`seq`),
KEY `seq` (`seq`),
KEY `date` (`date`)
);
DELETE FROM t1 ORDER BY date ASC LIMIT 1;
drop table t1;
End of 4.1 tests
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1);
DELETE FROM t1 ORDER BY x;
ERROR 42S22: Unknown column 'x' in 'order clause'
DELETE FROM t1 ORDER BY t2.x;
ERROR 42S22: Unknown column 't2.x' in 'order clause'
DELETE FROM t1 ORDER BY (SELECT x);
ERROR 42S22: Unknown column 'x' in 'field list'
DROP TABLE t1;
CREATE TABLE t1 (
a INT
);
CREATE TABLE t2 (
a INT
);
CREATE DATABASE db1;
CREATE TABLE db1.t1 (
a INT
);
INSERT INTO db1.t1 (a) SELECT * FROM t1;
CREATE DATABASE db2;
CREATE TABLE db2.t1 (
a INT
);
INSERT INTO db2.t1 (a) SELECT * FROM t2;
SELECT * FROM t1;
a
DELETE FROM t1 alias USING t1 alias WHERE a = 2;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your Drizzle server version for the right syntax to use near 'alias USING t1 alias WHERE a = 2' at line 1
SELECT * FROM t1;
a
DROP TABLE t1, t2;
DROP DATABASE db1;
DROP DATABASE db2;
End of 5.0 tests
DROP DATABASE IF EXISTS db1;
DROP DATABASE IF EXISTS db2;
DROP DATABASE IF EXISTS db3;
DROP DATABASE IF EXISTS db4;
DROP TABLE IF EXISTS t1, t2;
USE test;
CREATE DATABASE db1;
CREATE DATABASE db2;
CREATE TABLE db1.t1 (a INT, b INT);
INSERT INTO db1.t1 VALUES (1,1),(2,2),(3,3);
CREATE TABLE db1.t2 AS SELECT * FROM db1.t1;
CREATE TABLE db2.t1 AS SELECT * FROM db1.t2;
CREATE TABLE db2.t2 AS SELECT * FROM db2.t1;
CREATE TABLE t1 AS SELECT * FROM db2.t2;
CREATE TABLE t2 AS SELECT * FROM t1;
DROP DATABASE db1;
DROP DATABASE db2;
DROP TABLE t1, t2;
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