multi_update.test

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#
# Test reuse of same table
#

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;
drop table t1;

# Test multi-update and multi-delete with impossible where

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;
select * from t2;

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;

#
# Test for bug #1820.
#

create table t1 ( a int not null, b int not null) ;
--disable_query_log
insert into t1 values (1,1),(2,2),(3,3),(4,4);
let $1=19;
set @d=4;
while ($1)
{
  eval insert into t1 select a+@d,b+@d from t1;
  eval set @d=@d*2;
  dec $1;
}

--enable_query_log
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;
delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 2;
select 't2 rows after small delete', count(*) from t2;
select 't1 rows after small delete', count(*) from t1;

## Try deleting many rows 

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

drop table t1,t2;

#
# Test alias (this is not correct in 4.0)
#

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;
--error 1109
DELETE t1 FROM t1 AS t3, t2 AS t4;
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;
SELECT * from t2;
DELETE t2 FROM t1 AS t2, t2 AS t1 where t1.a=t2.a and t1.a=2;
SELECT * from t1;
SELECT * from t2;
DROP TABLE t1,t2;

#
# Test update with const tables
#
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;
select * from t2;
drop table t1, t2;

#
# privilege check for multiupdate with other tables
#

connect (root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
connection root;
--disable_warnings
create database mysqltest;
--enable_warnings
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;
connect (user1,localhost,mysqltest_1,,mysqltest,$MASTER_MYPORT,$MASTER_MYSOCK);
connection user1;
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;
connection root;
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;

#
# multi delete wrong table check
#
create table t1 (a int, primary key (a));
create table t2 (a int, primary key (a));
create table t3 (a int, primary key (a));
-- error 1109
delete t1,t3 from t1,t2 where t1.a=t2.a and t2.a=(select t3.a from t3 where t1.a=t3.a);
drop table t1, t2, t3;

#
# multi* unique updating table check
#
create table t1 (col1 int); 
create table t2 (col1 int);
-- error 1093
update t1,t2 set t1.col1 = (select max(col1) from t1) where t1.col1 = t2.col1;
-- error 1093
delete t1 from t1,t2 where t1.col1 < (select max(col1) from t1) and t1.col1 = t2.col1;
drop table t1,t2;

# Test for BUG#5837 - delete with outer join and const tables
--disable_warnings
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;
--enable_warnings
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;

#
# Bug#19225: unchecked error leads to server crash
#
create table t1(a int);
create table t2(a int);
--error 1093
delete from t1,t2 using t1,t2 where t1.a=(select a from t1);
drop table t1, t2;
# End of 4.1 tests

#
# Test for bug #1980.
#
--disable_warnings
create table t1 ( c char(8) not null ) engine=innodb;
--enable_warnings

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;

--disable_warnings
create table t1 ( c char(8) not null ) engine=bdb;
--enable_warnings

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;

connect (locker,localhost,root,,test);
connection locker;
lock table t1 write;

connect (changer,localhost,root,,test);
connection changer;
send alter table t1 add column c int default 100 after a;

connect (updater,localhost,root,,test);
connection updater;
send update t1, v1 set t1.b=t1.a+t1.b+v1.b where t1.a=v1.a;

connection locker;
sleep 2;
unlock tables;

connection changer;
reap;

connection updater;
reap;
select * from t1;
select * from t2;
drop view v1;
drop table t1, t2;

#
# Bug#27716  	multi-update did partially and has not binlogged
#

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 ;

# A. testing multi_update::send_eof() execution branch
insert into t1 values (1,1),(2,2);
insert into t2 values (1,1),(4,4);
reset master;
--error ER_DUP_ENTRY
UPDATE t2,t1 SET t2.a=t1.a+2;
# check
select * from t2 /* must be (3,1), (4,4) */;
show master status /* there must be the UPDATE query event */;

# B. testing multi_update::send_error() execution branch
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;
--error ER_DUP_ENTRY
UPDATE t2,t1  SET t2.a=t2.b where t2.a=t1.a;
show master status /* there must be the UPDATE query event */;

# cleanup bug#27716
drop table t1, t2;

--echo end of tests