drop table if exists t1,t2,t3,t11,t12;
CREATE TABLE t1 (a tinyint(3), b tinyint(5));
INSERT INTO t1 VALUES (1,1);
INSERT LOW_PRIORITY INTO t1 VALUES (1,2);
INSERT INTO t1 VALUES (1,3);
DELETE from t1 where a=1 limit 1;
DELETE LOW_PRIORITY from t1 where a=1;
INSERT INTO t1 VALUES (1,1);
DELETE from t1;
LOCK TABLE t1 write;
INSERT INTO t1 VALUES (1,2);
DELETE from t1;
UNLOCK TABLES;
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(10) NOT NULL default '0',
`i2` int(10) NOT NULL default '0',
PRIMARY KEY  (`i`)
);
DELETE FROM t1 USING t1 WHERE post='1';
ERROR 42S22: Unknown column 'post' in 'where clause'
drop table t1;
CREATE TABLE t1 (
bool     char(0) default NULL,
not_null varchar(20) binary 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 t1 (a int not null auto_increment primary key, b char(32));
insert into t1 (b) values ('apple'), ('apple');
select * from t1;
a	b
1	apple
2	apple
delete t1 from t1, t1 as t2 where t1.b = t2.b and t1.a > t2.a;
select * from t1;
a	b
1	apple
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
33	10
0	11
2	12
select * from t2;
a	b
1	21
2	12
3	23
delete t11.*, t12.* from t11,t12 where t11.a = t12.a and 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
select * from t12;
a	b
33	10
0	11
2	12
delete ignore t11.*, t12.* from t11,t12 where t11.a = t12.a and 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
select * from t12;
a	b
33	10
0	11
insert into t11 values (2, 12);
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 t1 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 (a int);
delete `4.t1` from t1 as `4.t1` where `4.t1`.a = 5;
delete FROM `4.t1` USING t1 as `4.t1` where `4.t1`.a = 5;
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 ,
`time` time ,
`seq` int(10) unsigned NOT NULL auto_increment,
PRIMARY KEY  (`seq`),
KEY `seq` (`seq`),
KEY `time` (`time`),
KEY `date` (`date`)
);
DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1;
drop table t1;
End of 4.1 tests
CREATE TABLE t1 (a int not null,b int not null);
CREATE TABLE t2 (a int not null, b int not null, primary key (a,b));
CREATE TABLE t3 (a int not null, b int not null, primary key (a,b));
insert into t1 values (1,1),(2,1),(1,3);
insert into t2 values (1,1),(2,2),(3,3);
insert into t3 values (1,1),(2,1),(1,3);
select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
a	b	a	b	a	b
1	1	1	1	1	1
2	1	2	2	2	1
1	3	1	1	1	3
explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
1	SIMPLE	t2	ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using index
1	SIMPLE	t3	eq_ref	PRIMARY	PRIMARY	8	test.t2.b,test.t1.b	1	Using index
delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
select * from t3;
a	b
drop table t1,t2,t3;
create table t1(a date not null);
insert into t1 values (0);
select * from t1 where a is null;
a
0000-00-00
delete from t1 where a is null;
select count(*) from t1;
count(*)
0
drop table t1;
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;
DELETE FROM t1 alias USING t1, t2 alias WHERE t1.a = alias.a;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'alias USING t1, t2 alias WHERE t1.a = alias.a' at line 1
DELETE FROM alias USING t1, t2 alias WHERE t1.a = alias.a;
DELETE FROM t1, alias USING t1, t2 alias WHERE t1.a = alias.a;
DELETE FROM t1, t2 USING t1, t2 alias WHERE t1.a = alias.a;
ERROR 42S02: Unknown table 't2' in MULTI DELETE
DELETE FROM db1.t1 alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a' at line 1
DELETE FROM alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
ERROR 42S02: Unknown table 'alias' in MULTI DELETE
DELETE FROM db2.alias USING db1.t1, db2.t1 alias WHERE db1.t1.a = alias.a;
DELETE FROM t1 USING t1 WHERE a = 1;
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 MySQL 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;
CREATE FUNCTION f1() RETURNS INT RETURN 1;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (0);
DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
ERROR 42000: Incorrect number of arguments for FUNCTION test.f1; expected 0, got 1
DROP TABLE t1;
DROP FUNCTION f1;
#
# Bug #49552 : sql_buffer_result cause crash + not found records 
#   in multitable delete/subquery
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (1),(2),(3);
SET SESSION SQL_BUFFER_RESULT=1;
DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
SET SESSION SQL_BUFFER_RESULT=DEFAULT;
SELECT * FROM t1;
a
DROP TABLE t1;
End of 5.0 tests
#
# Bug#46958: Assertion in Diagnostics_area::set_ok_status, trigger, 
# merge table
#
CREATE TABLE t1 ( a INT );
CREATE TABLE t2 ( a INT );
CREATE TABLE t3 ( a INT );
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (1), (2);
INSERT INTO t3 VALUES (1), (2);
CREATE TRIGGER tr1 BEFORE DELETE ON t2
FOR EACH ROW INSERT INTO no_such_table VALUES (1);
DELETE t1, t2, t3 FROM t1, t2, t3;
ERROR 42S02: Table 'test.no_such_table' doesn't exist
SELECT * FROM t1;
a
SELECT * FROM t2;
a
1
2
SELECT * FROM t3;
a
1
2
DROP TABLE t1, t2, t3;
CREATE TABLE t1 ( a INT );
CREATE TABLE t2 ( a INT );
CREATE TABLE t3 ( a INT );
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES (1), (2);
INSERT INTO t3 VALUES (1), (2);
CREATE TRIGGER tr1 AFTER DELETE ON t2
FOR EACH ROW INSERT INTO no_such_table VALUES (1);
DELETE t1, t2, t3 FROM t1, t2, t3;
ERROR 42S02: Table 'test.no_such_table' doesn't exist
SELECT * FROM t1;
a
SELECT * FROM t2;
a
2
SELECT * FROM t3;
a
1
2
DROP TABLE t1, t2, t3;
#
# Bug #46425 crash in Diagnostics_area::set_ok_status, 
#            empty statement, DELETE IGNORE
#
CREATE table t1 (i INTEGER);
INSERT INTO t1 VALUES (1);
CREATE TRIGGER tr1 AFTER DELETE ON t1 FOR EACH ROW 
BEGIN 
INSERT INTO t1 SELECT * FROM t1 AS A;
END |
DELETE IGNORE FROM t1;
ERROR HY000: Can't update table 't1' in stored function/trigger because it is already used by statement which invoked this stored function/trigger.
DROP TABLE t1;
#
# Bug #53450: Crash/assertion
#    "virtual int ha_myisam::index_first(uchar*)") at assert.c:81
#
CREATE TABLE t1 (a INT,    b INT,    c INT,
INDEX(a), INDEX(b), INDEX(c));
INSERT INTO t1 VALUES (1,2,3), (4,5,6), (7,8,9);
DELETE FROM t1 WHERE a = 10 OR b = 20 ORDER BY c LIMIT 1;
DROP TABLE t1;
#
# Bug #53034: Multiple-table DELETE statements not accepting
#             "Access compatibility" syntax
#
CREATE TABLE t1 (id INT);
CREATE TABLE t2 LIKE t1;
CREATE TABLE t3 LIKE t1;
DELETE FROM t1.*, test.t2.*, a.* USING t1, t2, t3 AS a;
DROP TABLE t1, t2, t3;
End of 5.1 tests