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CREATE TABLE t1 (
lfdnr int(10) unsigned NOT NULL default '0',
ticket int(10) unsigned NOT NULL default '0',
client varchar(255) NOT NULL default '',
replyto varchar(255) NOT NULL default '',
subject varchar(100) NOT NULL default '',
timestamp int(10) unsigned NOT NULL default '0',
tstamp timestamp NOT NULL,
status int(3) NOT NULL default '0',
type varchar(15) NOT NULL default '',
assignment int(10) unsigned NOT NULL default '0',
fupcount int(4) unsigned NOT NULL default '0',
parent int(10) unsigned NOT NULL default '0',
activity int(10) unsigned NOT NULL default '0',
priority tinyint(1) unsigned NOT NULL default '1',
cc varchar(255) NOT NULL default '',
bcc varchar(255) NOT NULL default '',
body text NOT NULL,
comment text,
header text,
PRIMARY KEY (lfdnr),
KEY k1 (timestamp),
KEY k2 (type),
KEY k3 (parent),
KEY k4 (assignment),
KEY ticket (ticket)
) ENGINE=MyISAM;
Warnings:
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
INSERT INTO t1 VALUES (773,773,'','','',980257344,20010318180652,0,'Open',10,0,0,0,1,'','','','','');
alter table t1 change lfdnr lfdnr int(10) unsigned not null auto_increment;
Warnings:
Warning 1681 Integer display width is deprecated and will be removed in a future release.
update t1 set status=1 where type='Open';
select status from t1;
status
1
drop table t1;
CREATE TABLE t1 (
`id_param` smallint(3) unsigned NOT NULL default '0',
`nom_option` char(40) NOT NULL default '',
`valid` tinyint(1) NOT NULL default '0',
KEY `id_param` (`id_param`,`nom_option`)
) ENGINE=MyISAM;
Warnings:
Warning 1681 Integer display width is deprecated and will be removed in a future release.
Warning 1681 Integer display width is deprecated and will be removed in a future release.
INSERT INTO t1 (id_param,nom_option,valid) VALUES (185,'600x1200',1);
UPDATE t1 SET nom_option='test' WHERE id_param=185 AND nom_option='600x1200' AND valid=1 LIMIT 1;
select * from t1;
id_param nom_option valid
185 test 1
drop table t1;
create table t1 (a int, b varchar(10), key b(b(5))) engine=myisam;
create table t2 (a int, b varchar(10)) engine=myisam;
insert into t1 values ( 1, 'abcd1e');
insert into t1 values ( 2, 'abcd2e');
insert into t2 values ( 1, 'abcd1e');
insert into t2 values ( 2, 'abcd2e');
analyze table t1,t2;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
update t1, t2 set t1.a = t2.a where t2.b = t1.b;
show warnings;
Level Code Message
drop table t1, t2;
create table t1 (f1 date not null) engine=myisam;
insert into t1 values('2000-01-01'),('0000-00-00');
Warnings:
Warning 1264 Out of range value for column 'f1' at row 2
update t1 set f1='2002-02-02' where f1 is null;
select * from t1;
f1
2000-01-01
2002-02-02
drop table t1;
# Bug#18439019 Assert in mysql_multi_update with ordered view
CREATE TABLE t1 (
a int unsigned not null auto_increment primary key,
b int unsigned
) ENGINE=MyISAM;
CREATE TABLE t2 (
a int unsigned not null auto_increment primary key,
b int unsigned
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (NULL, 0);
INSERT INTO t1 SELECT NULL, 0 FROM t1;
INSERT INTO t2 VALUES (NULL, 0), (NULL,1);
CREATE VIEW v1 AS SELECT a FROM t1 ORDER BY a;
ANALYZE TABLE t1,t2;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
explain UPDATE t2, v1 AS t SET t2.b = t.a+5 ;
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 UPDATE t2 NULL ALL NULL NULL NULL NULL 2 100.00 NULL
1 SIMPLE t1 NULL index NULL PRIMARY 4 NULL 2 100.00 Using index
Warnings:
Note 1003 update `test`.`t2` join `test`.`t1` set `test`.`t2`.`b` = (`test`.`t1`.`a` + 5)
UPDATE t2, v1 AS t SET t2.b = t.a+5 ;
DROP VIEW v1;
DROP TABLE t1, t2;
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