mariadb/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 t1 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;