path: root/mysql-test/t/update.test

#
# test of updating of keys
#

--disable_warnings
drop table if exists t1,t2;
--enable_warnings

create table t1 (a int auto_increment , primary key (a));
insert into t1 values (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL); 
update t1 set a=a+10 where a > 34;
update t1 set a=a+100 where a > 0;

# Some strange updates to test some otherwise unused code
update t1 set a=a+100 where a=1 and a=2;
--error 1054
update t1 set a=b+100 where a=1 and a=2; 
--error 1054
update t1 set a=b+100 where c=1 and a=2; 
--error 1054
update t1 set d=a+100 where a=1;
select * from t1;
drop table t1;

CREATE TABLE t1
 (
 place_id int (10) unsigned NOT NULL,
 shows int(10) unsigned DEFAULT '0' NOT NULL,
 ishows int(10) unsigned DEFAULT '0' NOT NULL,
 ushows int(10) unsigned DEFAULT '0' NOT NULL,
 clicks int(10) unsigned DEFAULT '0' NOT NULL,
 iclicks int(10) unsigned DEFAULT '0' NOT NULL,
 uclicks int(10) unsigned DEFAULT '0' NOT NULL,
 ts timestamp(14),
 PRIMARY KEY (place_id,ts)
 );

INSERT INTO t1 (place_id,shows,ishows,ushows,clicks,iclicks,uclicks,ts)
VALUES (1,0,0,0,0,0,0,20000928174434);
UPDATE t1 SET shows=shows+1,ishows=ishows+1,ushows=ushows+1,clicks=clicks+1,iclicks=iclicks+1,uclicks=uclicks+1 WHERE place_id=1 AND ts>="2000-09-28 00:00:00";
select place_id,shows from t1;
drop table t1;

#
# Test bug with update reported by Jan Legenhausen
#

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(14) 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;

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;
update t1 set status=1 where type='Open';
select status from t1;
drop table t1;

#
# Test of ORDER BY
#

create table t1 (a int not null, b int not null, key (a));
insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3);
SET @tmp=0;
update t1 set b=(@tmp:=@tmp+1) order by a;
update t1 set b=99 where a=1 order by b asc limit 1;
select * from t1 order by a,b;
update t1 set b=100 where a=1 order by b desc limit 2;
update t1 set a=a+10+b where a=1 order by b;
select * from t1 order by a,b;
create table t2 (a int not null, b int not null);
insert into t2 values (1,1),(1,2),(1,3);
update t1 set b=(select distinct 1 from (select * from t2) a);
drop table t1,t2;

#
# Test with limit (Bug #393)
#

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;

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;
drop table t1;

#
# Multi table update test from bugs
#

create table t1 (F1 VARCHAR(30), F2 VARCHAR(30), F3 VARCHAR(30), cnt int, groupid int, KEY groupid_index (groupid));

insert into t1 (F1,F2,F3,cnt,groupid) values ('0','0','0',1,6),
('0','1','2',1,5), ('0','2','0',1,3), ('1','0','1',1,2),
('1','2','1',1,1), ('1','2','2',1,1), ('2','0','1',2,4),
('2','2','0',1,7);
delete from m1 using t1 m1,t1 m2 where m1.groupid=m2.groupid and (m1.cnt < m2.cnt or m1.cnt=m2.cnt and m1.F3>m2.F3);
select * from t1;
drop table t1;

#
# Bug#5553 - Multi table UPDATE IGNORE fails on duplicate keys 
#

CREATE TABLE t1 ( 
   `colA` int(10) unsigned NOT NULL auto_increment,
   `colB` int(11) NOT NULL default '0',
   PRIMARY KEY  (`colA`)
);
INSERT INTO t1 VALUES (4433,5424);
CREATE TABLE t2 (
  `colC` int(10) unsigned NOT NULL default '0',
  `colA` int(10) unsigned NOT NULL default '0',
  `colD` int(10) unsigned NOT NULL default '0',
  `colE` int(10) unsigned NOT NULL default '0',
  `colF` int(10) unsigned NOT NULL default '0',
  PRIMARY KEY  (`colC`,`colA`,`colD`,`colE`)
);
INSERT INTO t2 VALUES (3,4433,10005,495,500);
INSERT INTO t2 VALUES (3,4433,10005,496,500);
INSERT INTO t2 VALUES (3,4433,10009,494,500);
INSERT INTO t2 VALUES (3,4433,10011,494,500);
INSERT INTO t2 VALUES (3,4433,10005,497,500);
INSERT INTO t2 VALUES (3,4433,10013,489,500);
INSERT INTO t2 VALUES (3,4433,10005,494,500);
INSERT INTO t2 VALUES (3,4433,10005,493,500);
INSERT INTO t2 VALUES (3,4433,10005,492,500);
UPDATE IGNORE t2,t1 set t2.colE = t2.colE + 1,colF=0 WHERE t1.colA = t2.colA AND (t1.colB & 4096) > 0 AND (colE + 1) < colF;
SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;

#
# Bug #6054 
#
create table t1 (c1 int, c2 char(6), c3 int);
create table t2 (c1 int, c2 char(6));
insert into t1 values (1, "t1c2-1", 10), (2, "t1c2-2", 20);
update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1";
update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1" where t1.c3 = 10;
drop table t1, t2;

#
# Bug #8057
#
create table t1 (id int not null auto_increment primary key, id_str varchar(32));
insert into t1 (id_str) values ("test");
update t1 set id_str = concat(id_str, id) where id = last_insert_id();
select * from t1;
drop table t1;

#
# Bug #8942: a problem with update and partial key part
#

create table t1 (a int, b char(255), key(a, b(20)));
insert into t1 values (0, '1');
update t1 set b = b + 1 where a = 0;
select * from t1;
drop table t1;

# BUG#9103 "Erroneous data truncation warnings on multi-table updates"
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;
update t1, t2 set t1.a = t2.a where t2.b = t1.b;
show warnings;
drop table t1, t2;

#
# Bug #11868 Update with subquery with ref built with a key from the updated
#            table crashes server
#
create table t1(f1 int, f2 int);
create table t2(f3 int, f4 int);
create index idx on t2(f3);
insert into t1 values(1,0),(2,0);
insert into t2 values(1,1),(2,2);
UPDATE t1 SET t1.f2=(SELECT MAX(t2.f4) FROM t2 WHERE t2.f3=t1.f1);
select * from t1;
drop table t1,t2;

#
# Bug #13180 sometimes server accepts sum func in update/delete where condition
#
create table t1(f1 int);
select DATABASE();
--error 1111
update t1 set f1=1 where count(*)=1;
select DATABASE();
--error 1111
delete from t1 where count(*)=1;
drop table t1;

# BUG#12915: Optimize "DELETE|UPDATE ... ORDER BY ... LIMIT n" to use an index
create table t1 ( a int, b int default 0, index (a) );
insert into t1 (a) values (0),(0),(0),(0),(0),(0),(0),(0);

flush status;
select a from t1 order by a limit 1;
show status like 'handler_read%';

flush status;
update t1 set a=9999 order by a limit 1;
update t1 set b=9999 order by a limit 1;
show status like 'handler_read%';

flush status;
delete from t1 order by a limit 1;
show status like 'handler_read%';

flush status;
delete from t1 order by a desc limit 1;
show status like 'handler_read%';

alter table t1 disable keys;

flush status;
delete from t1 order by a limit 1;
show status like 'handler_read%';

select * from t1;
update t1 set a=a+10,b=1 order by a limit 3;
update t1 set a=a+11,b=2 order by a limit 3;
update t1 set a=a+12,b=3 order by a limit 3;
select * from t1 order by a;

drop table t1;

#
# Bug#14186 select datefield is null not updated
#
create table t1 (f1 date not null);
insert into t1 values('2000-01-01'),('0000-00-00');
update t1 set f1='2002-02-02' where f1 is null;
select * from t1;
drop table t1;
# End of 4.1 tests