~drizzle-trunk/drizzle/development

drop table if exists t1,t2,t3;

drop database if exists mysqltest;

drop view if exists v1;

revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;

revoke all privileges on mysqltest.* from mysqltest_1@localhost;

delete from mysql.user where user=_binary'mysqltest_1';

create table t1(id1 int not null auto_increment primary key, t char(12));

create table t2(id2 int not null, t char(12));

create table t3(id3 int not null, t char(12), index(id3));

select count(*) from t1 where id1 > 95;

count(*)

5

select count(*) from t2 where id2 > 95;

count(*)

25

select count(*) from t3 where id3 > 95;

count(*)

250

update t1,t2,t3 set t1.t="aaa", t2.t="bbb", t3.t="cc" where  t1.id1 = t2.id2 and t2.id2 = t3.id3  and t1.id1 > 90;

select count(*) from t1 where t = "aaa";

count(*)

10

select count(*) from t1 where id1 > 90;

count(*)

10

select count(*) from t2 where t = "bbb";

count(*)

50

select count(*) from t2 where id2 > 90;

count(*)

50

select count(*) from t3 where t = "cc";

count(*)

500

select count(*) from t3 where id3 > 90;

count(*)

500

delete t1.*, t2.*, t3.*  from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3  and t1.id1 > 95;

check table t1, t2, t3;

Table	Op	Msg_type	Msg_text

test.t1	check	status	OK

test.t2	check	status	OK

test.t3	check	status	OK

select count(*) from t1 where id1 > 95;

count(*)

0

select count(*) from t2 where id2 > 95;

count(*)

0

select count(*) from t3 where id3 > 95;

count(*)

0

delete t1, t2, t3  from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3  and t1.id1 > 5;

select count(*) from t1 where id1 > 5;

count(*)

0

select count(*) from t2 where id2 > 5;

count(*)

0

select count(*) from t3 where id3 > 5;

count(*)

0

delete from t1, t2, t3  using t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3  and t1.id1 > 0;

select count(*) from t1 where id1;

count(*)

0

select count(*) from t2 where id2;

count(*)

0

select count(*) from t3 where id3;

count(*)

0

drop table t1,t2,t3;

create table t1(id1 int not null  primary key, t varchar(100)) pack_keys = 1;

create table t2(id2 int not null, t varchar(100), index(id2)) pack_keys = 1;

delete t1  from t1,t2 where t1.id1 = t2.id2 and t1.id1 > 500;

drop table t1,t2;

CREATE TABLE t1 (

id int(11) NOT NULL default '0',

name varchar(10) default NULL,

PRIMARY KEY  (id)

) ENGINE=MyISAM;

INSERT INTO t1 VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');

CREATE TABLE t2 (

id int(11) NOT NULL default '0',

name varchar(10) default NULL,

PRIMARY KEY  (id)

) ENGINE=MyISAM;

INSERT INTO t2 VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');

CREATE TABLE t3 (

id int(11) NOT NULL default '0',

mydate datetime default NULL,

PRIMARY KEY  (id)

) ENGINE=MyISAM;

INSERT INTO t3 VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22

00:00:00'),(7,'2002-07-22 00:00:00');

delete t1,t2,t3 from t1,t2,t3 where to_days(now())-to_days(t3.mydate)>=30 and t3.id=t1.id and t3.id=t2.id;

select * from t3;

id	mydate

1	2002-02-04 00:00:00

5	2002-05-12 00:00:00

6	2002-06-22 00:00:00

7	2002-07-22 00:00:00

DROP TABLE t1,t2,t3;

CREATE TABLE IF NOT EXISTS `t1` (

`id` int(11) NOT NULL auto_increment,

`tst` text,

`tst1` text,

PRIMARY KEY  (`id`)

) ENGINE=MyISAM;

CREATE TABLE IF NOT EXISTS `t2` (

`ID` int(11) NOT NULL auto_increment,

`ParId` int(11) default NULL,

`tst` text,

`tst1` text,

PRIMARY KEY  (`ID`),

KEY `IX_ParId_t2` (`ParId`),

FOREIGN KEY (`ParId`) REFERENCES `t1` (`id`)

) ENGINE=MyISAM;

INSERT INTO t1(tst,tst1) VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");

INSERT INTO t2(ParId) VALUES(1), (2), (3);

select * from t2;

ID	ParId	tst	tst1

1	1	NULL	NULL

2	2	NULL	NULL

3	3	NULL	NULL

UPDATE t2, t1 SET t2.tst = t1.tst, t2.tst1 = t1.tst1 WHERE t2.ParId = t1.Id;

select * from t2;

ID	ParId	tst	tst1

1	1	MySQL	MySQL AB

2	2	MSSQL	Microsoft

3	3	ORACLE	ORACLE

drop table t1, t2 ;

create table t1 (n numeric(10));

create table t2 (n numeric(10));

insert into t2 values (1),(2),(4),(8),(16),(32);

select * from t2 left outer join t1  using (n);

n

1

2

4

8

16

32

delete  t1,t2 from t2 left outer join t1  using (n);

select * from t2 left outer join t1  using (n);

n

drop table t1,t2 ;

create table t1 (n int(10) not null primary key, d int(10));

create table t2 (n int(10) not null primary key, d int(10));

insert into t1 values(1,1);

insert into t2 values(1,10),(2,20);

LOCK TABLES t1 write, t2 read;

DELETE t1.*, t2.* FROM t1,t2 where t1.n=t2.n;

ERROR HY000: Table 't2' was locked with a READ lock and can't be updated

UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n;

ERROR HY000: Table 't2' was locked with a READ lock and can't be updated

UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;

unlock tables;

LOCK TABLES t1 write, t2 write;

UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;

select * from t1;

n	d

1	10

DELETE t1.*, t2.* FROM t1,t2 where t1.n=t2.n;

select * from t1;

n	d

select * from t2;

n	d

2	20

unlock tables;

drop table t1,t2;

set sql_safe_updates=1;

create table t1 (n int(10), d int(10));

create table t2 (n int(10), d int(10));

insert into t1 values(1,1);

insert into t2 values(1,10),(2,20);

UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;

ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column

set sql_safe_updates=0;

drop table t1,t2;

set timestamp=1038401397;

create table t1 (n int(10) not null primary key, d int(10), t timestamp);

create table t2 (n int(10) not null primary key, d int(10), t timestamp);

insert into t1 values(1,1,NULL);

insert into t2 values(1,10,NULL),(2,20,NULL);

set timestamp=1038000000;

UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;

select n,d,unix_timestamp(t) from t1;

n	d	unix_timestamp(t)

1	10	1038000000

select n,d,unix_timestamp(t) from t2;

n	d	unix_timestamp(t)

1	10	1038401397

2	20	1038401397

UPDATE t1,t2 SET 1=2 WHERE t1.n=t2.n;

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 '1=2 WHERE t1.n=t2.n' at line 1

drop table t1,t2;

set timestamp=0;

set sql_safe_updates=0;

create table t1 (n int(10) not null primary key, d int(10));

create table t2 (n int(10) not null primary key, d int(10));

insert into t1 values(1,1), (3,3);

insert into t2 values(1,10),(2,20);

UPDATE t2 left outer join t1 on t1.n=t2.n  SET t1.d=t2.d;

select * from t1;

n	d

1	10

3	3

select * from t2;

n	d

1	10

2	20

drop table t1,t2;

create table t1 (n int(10), d int(10));

create table t2 (n int(10), d int(10));

insert into t1 values(1,1),(1,2);

insert into t2 values(1,10),(2,20);

UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n;

select * from t1;

n	d

1	10

1	10

select * from t2;

n	d

1	30

2	20

drop table t1,t2;

create table t1 (n int(10), d int(10));

create table t2 (n int(10), d int(10));

insert into t1 values(1,1),(3,2);

insert into t2 values(1,10),(1,20);

UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n;

select * from t1;

n	d

1	10

3	2

select * from t2;

n	d

1	30

1	30

UPDATE t1 a ,t2 b SET a.d=b.d,b.d=30 WHERE a.n=b.n;

select * from t1;

n	d

1	30

3	2

select * from t2;

n	d

1	30

1	30

DELETE a, b  FROM t1 a,t2 b where a.n=b.n;

select * from t1;

n	d

3	2

select * from t2;

n	d

drop table t1,t2;

CREATE TABLE t1 ( broj int(4) unsigned NOT NULL default '0',  naziv char(25) NOT NULL default 'NEPOZNAT',  PRIMARY KEY  (broj)) ENGINE=MyISAM;

INSERT INTO t1 VALUES (1,'jedan'),(2,'dva'),(3,'tri'),(4,'xxxxxxxxxx'),(5,'a'),(10,''),(11,''),(12,''),(13,'');

CREATE TABLE t2 ( broj int(4) unsigned NOT NULL default '0',  naziv char(25) NOT NULL default 'NEPOZNAT',  PRIMARY KEY  (broj)) ENGINE=MyISAM;

INSERT INTO t2 VALUES (1,'jedan'),(2,'dva'),(3,'tri'),(4,'xxxxxxxxxx'),(5,'a');

CREATE TABLE t3 ( broj int(4) unsigned NOT NULL default '0',  naziv char(25) NOT NULL default 'NEPOZNAT',  PRIMARY KEY  (broj)) ENGINE=MyISAM;

INSERT INTO t3 VALUES (1,'jedan'),(2,'dva');

update t1,t2 set t1.naziv="aaaa" where t1.broj=t2.broj;

update t1,t2,t3 set t1.naziv="bbbb", t2.naziv="aaaa" where t1.broj=t2.broj and t2.broj=t3.broj;

drop table t1,t2,t3;

CREATE TABLE t1 (a int not null primary key, b int not null, key (b));

CREATE TABLE t2 (a int not null primary key, b int not null, key (b));

INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);

INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);

update t1,t2 set t1.a=t1.a+100;

select * from t1;

a	b

101	1

102	2

103	3

104	4

105	5

106	6

107	7

108	8

109	9

update t1,t2 set t1.a=t1.a+100 where t1.a=101;

select * from t1;

a	b

201	1

102	2

103	3

104	4

105	5

106	6

107	7

108	8

109	9

update t1,t2 set t1.b=t1.b+10 where t1.b=2;

select * from t1;

a	b

201	1

102	12

103	3

104	4

105	5

106	6

107	7

108	8

109	9

update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t2.a=t1.a-100;

select * from t1;

a	b

201	1

102	12

103	5

104	6

105	7

106	6

107	7

108	8

109	9

select * from t2;

a	b

1	1

2	2

3	13

4	14

5	15

6	6

7	7

8	8

9	9

update t1,t2 set t1.b=t2.b, t1.a=t2.a where t1.a=t2.a and not exists (select * from t2 where t2.a > 10);

drop table t1,t2;

CREATE TABLE t3 (  KEY1 varchar(50) NOT NULL default '',  PARAM_CORR_DISTANCE_RUSH double default NULL,  PARAM_CORR_DISTANCE_GEM double default NULL,  PARAM_AVG_TARE double default NULL,  PARAM_AVG_NB_DAYS double default NULL,  PARAM_DEFAULT_PROP_GEM_SRVC varchar(50) default NULL,  PARAM_DEFAULT_PROP_GEM_NO_ETIK varchar(50) default NULL,  PARAM_SCENARIO_COSTS varchar(50) default NULL,  PARAM_DEFAULT_WAGON_COST double default NULL,  tmp int(11) default NULL,  PRIMARY KEY  (KEY1)) ENGINE=MyISAM;

INSERT INTO t3 VALUES ('A',1,1,22,3.2,'R','R','BASE2',0.24,NULL);

create table t1 (A varchar(1));

insert into t1 values  ("A") ,("B"),("C"),("D");

create table t2(Z varchar(15));

insert into t2(Z)  select concat(a.a,b.a,c.a,d.a) from t1 as a, t1 as b, t1 as c, t1 as d;

update t2,t3 set Z =param_scenario_costs;

drop table t1,t2,t3;

create table t1 (a int, b int);

create table t2 (a int, b int);

insert into t1 values (1,1),(2,1),(3,1);

insert into t2 values (1,1), (3,1);

update t1 left join t2  on t1.a=t2.a set t1.b=2, t2.b=2 where t1.b=1 and t2.b=1 or t2.a is NULL;

select t1.a, t1.b,t2.a, t2.b from t1 left join t2  on t1.a=t2.a where t1.b=1 and t2.b=1 or t2.a is NULL;

a	b	a	b

2	2	NULL	NULL

drop table t1,t2;

create table t1 (a int not null auto_increment primary key, b int not null);

insert into t1 (b) values (1),(2),(3),(4);

update t1, t1 as t2 set t1.b=t2.b+1 where t1.a=t2.a;

select * from t1;

a	b

1	2

2	3

3	4

4	5

drop table t1;

create table t1(id1 smallint(5), field char(5));

create table t2(id2 smallint(5), field char(5));

insert into t1 values (1, 'a'), (2, 'aa');

insert into t2 values (1, 'b'), (2, 'bb');

select * from t1;

id1	field

1	a

2	aa

select * from t2;

id2	field

1	b

2	bb

update t2 inner join t1 on t1.id1=t2.id2

set t2.field=t1.field

where 0=1;

update t2, t1 set t2.field=t1.field

where t1.id1=t2.id2 and 0=1;

delete t1, t2 from t2 inner join t1 on t1.id1=t2.id2

where 0=1;

delete t1, t2 from t2,t1 

where t1.id1=t2.id2 and 0=1;

drop table t1,t2;

create table t1 ( a int not null, b int not null) ;

alter table t1 add index i1(a);

delete from t1 where a > 2000000;

create table t2 like t1;

insert into t2 select * from t1;

select 't2 rows before small delete', count(*) from t1;

t2 rows before small delete	count(*)

t2 rows before small delete	2000000

delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 2;

select 't2 rows after small delete', count(*) from t2;

t2 rows after small delete	count(*)

t2 rows after small delete	1999999

select 't1 rows after small delete', count(*) from t1;

t1 rows after small delete	count(*)

t1 rows after small delete	1999999

delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 100*1000;

select 't2 rows after big delete', count(*) from t2;

t2 rows after big delete	count(*)

t2 rows after big delete	1900001

select 't1 rows after big delete', count(*) from t1;

t1 rows after big delete	count(*)

t1 rows after big delete	1900001

drop table t1,t2;

CREATE TABLE t1 ( a int );

CREATE TABLE t2 ( a int );

DELETE t1 FROM t1, t2 AS t3;

DELETE t4 FROM t1, t1 AS t4;

DELETE t3 FROM t1 AS t3, t1 AS t4;

DELETE t1 FROM t1 AS t3, t2 AS t4;

ERROR 42S02: Unknown table 't1' in MULTI DELETE

INSERT INTO t1 values (1),(2);

INSERT INTO t2 values (1),(2);

DELETE t1 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=1;

SELECT * from t1;

a

1

2

SELECT * from t2;

a

2

DELETE t2 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=2;

SELECT * from t1;

a

1

SELECT * from t2;

a

2

DROP TABLE t1,t2;

create table `t1` (`p_id` int(10) unsigned NOT NULL auto_increment, `p_code` varchar(20) NOT NULL default '', `p_active` tinyint(1) unsigned NOT NULL default '1', PRIMARY KEY (`p_id`) );

create table `t2` (`c2_id` int(10) unsigned NULL auto_increment, `c2_p_id` int(10) unsigned NOT NULL default '0', `c2_note` text NOT NULL, `c2_active` tinyint(1) unsigned NOT NULL default '1', PRIMARY KEY (`c2_id`), KEY `c2_p_id` (`c2_p_id`) );

insert into t1 values (0,'A01-Comp',1);

insert into t1 values (0,'B01-Comp',1);

insert into t2 values (0,1,'A Note',1);

update t1 left join t2 on p_id = c2_p_id set c2_note = 'asdf-1' where p_id = 2;

select * from t1;

p_id	p_code	p_active

1	A01-Comp	1

2	B01-Comp	1

select * from t2;

c2_id	c2_p_id	c2_note	c2_active

1	1	A Note	1

drop table t1, t2;

create database mysqltest;

create table mysqltest.t1 (a int, b int, primary key (a));

create table mysqltest.t2 (a int, b int, primary key (a));

create table mysqltest.t3 (a int, b int, primary key (a));

grant select on mysqltest.* to mysqltest_1@localhost;

grant update on mysqltest.t1 to mysqltest_1@localhost;

update t1, t2 set t1.b=1 where t1.a=t2.a;

update t1, t2 set t1.b=(select t3.b from t3 where t1.a=t3.a) where t1.a=t2.a;

revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;

revoke all privileges on mysqltest.* from mysqltest_1@localhost;

delete from mysql.user where user=_binary'mysqltest_1';

drop database mysqltest;

create table t1 (a int, primary key (a));

create table t2 (a int, primary key (a));

create table t3 (a int, primary key (a));

delete t1,t3 from t1,t2 where t1.a=t2.a and t2.a=(select t3.a from t3 where t1.a=t3.a);

ERROR 42S02: Unknown table 't3' in MULTI DELETE

drop table t1, t2, t3;

create table t1 (col1 int);

create table t2 (col1 int);

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

delete t1 from t1,t2 where t1.col1 < (select max(col1) from t1) and t1.col1 = t2.col1;

ERROR HY000: You can't specify target table 't1' for update in FROM clause

drop table t1,t2;

create table t1 (

aclid bigint not null primary key, 

status tinyint(1) not null 

) engine = innodb;

create table t2 (

refid bigint not null primary key, 

aclid bigint, index idx_acl(aclid) 

) engine = innodb;

insert into t2 values(1,null);

delete t2, t1 from t2 left join t1 on (t2.aclid=t1.aclid) where t2.refid='1';

drop table t1, t2;

create table t1(a int);

create table t2(a int);

delete from t1,t2 using t1,t2 where t1.a=(select a from t1);

ERROR HY000: You can't specify target table 't1' for update in FROM clause

drop table t1, t2;

create table t1 ( c char(8) not null ) engine=innodb;

insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');

insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');

alter table t1 add b char(8) not null;

alter table t1 add a char(8) not null;

alter table t1 add primary key (a,b,c);

update t1 set a=c, b=c;

create table t2 like t1;

insert into t2 select * from t1;

delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;

drop table t1,t2;

create table t1 ( c char(8) not null ) engine=innodb;

insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9');

insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F');

alter table t1 add b char(8) not null;

alter table t1 add a char(8) not null;

alter table t1 add primary key (a,b,c);

update t1 set a=c, b=c;

create table t2 like t1;

insert into t2 select * from t1;

delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;

drop table t1,t2;

create table t1 (a int, b int);

insert into t1 values (1, 2), (2, 3), (3, 4);

create table t2 (a int);

insert into t2 values (10), (20), (30);

create view v1 as select a as b, a/10 as a from t2;

lock table t1 write;

alter table t1 add column c int default 100 after a;

update t1, v1 set t1.b=t1.a+t1.b+v1.b where t1.a=v1.a;

unlock tables;

select * from t1;

a	c	b

1	100	13

2	100	25

3	100	37

select * from t2;

a

10

20

30

drop view v1;

drop table t1, t2;

create table t1 (i1 int, i2 int, i3 int);

create table t2 (id int, c1 varchar(20), c2 varchar(20));

insert into t1 values (1,5,10),(3,7,12),(4,5,2),(9,10,15),(2,2,2);

insert into t2 values (9,"abc","def"),(5,"opq","lmn"),(2,"test t","t test");

select * from t1 order by i1;

i1	i2	i3

1	5	10

2	2	2

3	7	12

4	5	2

9	10	15

select * from t2;

id	c1	c2

9	abc	def

5	opq	lmn

2	test t	t test

update t1,t2 set t1.i2=15, t2.c2="ppc" where t1.i1=t2.id;

select * from t1 order by i1;

i1	i2	i3

1	5	10

2	15	2

3	7	12

4	5	2

9	15	15

select * from t2 order by id;

id	c1	c2

2	test t	ppc

5	opq	lmn

9	abc	ppc

delete t1.*,t2.* from t1,t2 where t1.i2=t2.id;

select * from t1 order by i1;

i1	i2	i3

2	15	2

3	7	12

9	15	15

select * from t2 order by id;

id	c1	c2

2	test t	ppc

9	abc	ppc

drop table t1, t2;

create table t1 (i1 int auto_increment not null, i2 int, i3 int, primary key (i1));

create table t2 (id int auto_increment not null, c1 varchar(20), c2 varchar(20), primary key(id));

insert into t1 values (1,5,10),(3,7,12),(4,5,2),(9,10,15),(2,2,2);

insert into t2 values (9,"abc","def"),(5,"opq","lmn"),(2,"test t","t test");

select * from t1 order by i1;

i1	i2	i3

1	5	10

2	2	2

3	7	12

4	5	2

9	10	15

select * from t2 order by id;

id	c1	c2

2	test t	t test

5	opq	lmn

9	abc	def

update t1,t2 set t1.i2=15, t2.c2="ppc" where t1.i1=t2.id;

select * from t1 order by i1;

i1	i2	i3

1	5	10

2	15	2

3	7	12

4	5	2

9	15	15

select * from t2 order by id;

id	c1	c2

2	test t	ppc

5	opq	lmn

9	abc	ppc

delete t1.*,t2.* from t1,t2 where t1.i2=t2.id;

select * from t1 order by i1;

i1	i2	i3

2	15	2

3	7	12

9	15	15

select * from t2 order by id;

id	c1	c2

2	test t	ppc

9	abc	ppc

drop table t1, t2;

CREATE TABLE `t1` (

`a` int(11) NOT NULL auto_increment,

`b` int(11) default NULL,

PRIMARY KEY  (`a`)

) ENGINE=MyISAM DEFAULT CHARSET=latin1 ;

CREATE TABLE `t2` (

`a` int(11) NOT NULL auto_increment,

`b` int(11) default NULL,

PRIMARY KEY  (`a`)

) ENGINE=MyISAM DEFAULT CHARSET=latin1 ;

set @sav_binlog_format=  @@session.binlog_format;

set @@session.binlog_format= mixed;

insert into t1 values (1,1),(2,2);

insert into t2 values (1,1),(4,4);

reset master;

UPDATE t2,t1 SET t2.a=t1.a+2;

ERROR 23000: Duplicate entry '3' for key 'PRIMARY'

select * from t2 /* must be (3,1), (4,4) */;

a	b

3	1

4	4

show master status /* there must be the UPDATE query event */;

File	Position	Binlog_Do_DB	Binlog_Ignore_DB

master-bin.000001	198		

delete from t1;

delete from t2;

insert into t1 values (1,2),(3,4),(4,4);

insert into t2 values (1,2),(3,4),(4,4);

reset master;

UPDATE t2,t1  SET t2.a=t2.b where t2.a=t1.a;

ERROR 23000: Duplicate entry '4' for key 'PRIMARY'

show master status /* there must be the UPDATE query event */;

File	Position	Binlog_Do_DB	Binlog_Ignore_DB

master-bin.000001	213		

drop table t1, t2;

set @@session.binlog_format= @sav_binlog_format;

drop table if exists t1, t2, t3;

CREATE TABLE t1 (a int, PRIMARY KEY (a));

CREATE TABLE t2 (a int, PRIMARY KEY (a));

CREATE TABLE t3 (a int, PRIMARY KEY (a)) ENGINE=MyISAM;

create trigger trg_del_t3 before  delete on t3 for each row insert into t1 values (1);

insert into t2 values (1),(2);

insert into t3 values (1),(2);

reset master;

delete t3.* from t2,t3 where t2.a=t3.a;

ERROR 23000: Duplicate entry '1' for key 'PRIMARY'

select count(*) from t1 /* must be 1 */;

count(*)

1

select count(*) from t3 /* must be 1 */;

count(*)

1

drop table t1, t2, t3;

end of tests