mirror of
https://github.com/MariaDB/server.git
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495 lines
13 KiB
Plaintext
495 lines
13 KiB
Plaintext
drop table if exists t1,t2;
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create table t1 (a int auto_increment , primary key (a));
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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);
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update t1 set a=a+10 where a > 34;
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update t1 set a=a+100 where a > 0;
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update t1 set a=a+100 where a=1 and a=2;
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update t1 set a=b+100 where a=1 and a=2;
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ERROR 42S22: Unknown column 'b' in 'field list'
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update t1 set a=b+100 where c=1 and a=2;
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ERROR 42S22: Unknown column 'c' in 'where clause'
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update t1 set d=a+100 where a=1;
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ERROR 42S22: Unknown column 'd' in 'field list'
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select * from t1;
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a
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101
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102
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103
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104
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105
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106
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107
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108
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109
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110
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111
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112
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113
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114
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115
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116
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117
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119
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120
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122
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123
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125
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127
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128
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129
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130
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131
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132
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133
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134
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145
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146
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drop table t1;
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CREATE TABLE t1
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(
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place_id int (10) unsigned NOT NULL,
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shows int(10) unsigned DEFAULT '0' NOT NULL,
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ishows int(10) unsigned DEFAULT '0' NOT NULL,
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ushows int(10) unsigned DEFAULT '0' NOT NULL,
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clicks int(10) unsigned DEFAULT '0' NOT NULL,
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iclicks int(10) unsigned DEFAULT '0' NOT NULL,
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uclicks int(10) unsigned DEFAULT '0' NOT NULL,
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ts timestamp,
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PRIMARY KEY (place_id,ts)
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);
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INSERT INTO t1 (place_id,shows,ishows,ushows,clicks,iclicks,uclicks,ts)
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VALUES (1,0,0,0,0,0,0,20000928174434);
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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";
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select place_id,shows from t1;
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place_id shows
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1 1
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drop table t1;
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CREATE TABLE t1 (
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lfdnr int(10) unsigned NOT NULL default '0',
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ticket int(10) unsigned NOT NULL default '0',
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client varchar(255) NOT NULL default '',
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replyto varchar(255) NOT NULL default '',
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subject varchar(100) NOT NULL default '',
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timestamp int(10) unsigned NOT NULL default '0',
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tstamp timestamp NOT NULL,
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status int(3) NOT NULL default '0',
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type varchar(15) NOT NULL default '',
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assignment int(10) unsigned NOT NULL default '0',
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fupcount int(4) unsigned NOT NULL default '0',
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parent int(10) unsigned NOT NULL default '0',
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activity int(10) unsigned NOT NULL default '0',
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priority tinyint(1) unsigned NOT NULL default '1',
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cc varchar(255) NOT NULL default '',
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bcc varchar(255) NOT NULL default '',
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body text NOT NULL,
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comment text,
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header text,
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PRIMARY KEY (lfdnr),
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KEY k1 (timestamp),
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KEY k2 (type),
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KEY k3 (parent),
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KEY k4 (assignment),
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KEY ticket (ticket)
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) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (773,773,'','','',980257344,20010318180652,0,'Open',10,0,0,0,1,'','','','','');
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alter table t1 change lfdnr lfdnr int(10) unsigned not null auto_increment;
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update t1 set status=1 where type='Open';
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select status from t1;
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status
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1
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drop table t1;
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create table t1 (a int not null, b int not null, key (a));
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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);
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SET @tmp=0;
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update t1 set b=(@tmp:=@tmp+1) order by a;
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update t1 set b=99 where a=1 order by b asc limit 1;
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select * from t1 order by a,b;
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a b
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1 2
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1 3
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1 99
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2 4
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2 5
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2 6
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3 7
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3 8
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3 9
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3 10
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3 11
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3 12
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update t1 set b=100 where a=1 order by b desc limit 2;
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update t1 set a=a+10+b where a=1 order by b;
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select * from t1 order by a,b;
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a b
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2 4
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2 5
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2 6
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3 7
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3 8
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3 9
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3 10
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3 11
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3 12
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13 2
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111 100
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111 100
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create table t2 (a int not null, b int not null);
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insert into t2 values (1,1),(1,2),(1,3);
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update t1 set b=(select distinct 1 from (select * from t2) a);
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drop table t1,t2;
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CREATE TABLE t1 (
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`id_param` smallint(3) unsigned NOT NULL default '0',
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`nom_option` char(40) NOT NULL default '',
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`valid` tinyint(1) NOT NULL default '0',
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KEY `id_param` (`id_param`,`nom_option`)
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) ENGINE=MyISAM;
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INSERT INTO t1 (id_param,nom_option,valid) VALUES (185,'600x1200',1);
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UPDATE t1 SET nom_option='test' WHERE id_param=185 AND nom_option='600x1200' AND valid=1 LIMIT 1;
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select * from t1;
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id_param nom_option valid
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185 test 1
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drop table t1;
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create table t1 (F1 VARCHAR(30), F2 VARCHAR(30), F3 VARCHAR(30), cnt int, groupid int, KEY groupid_index (groupid));
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insert into t1 (F1,F2,F3,cnt,groupid) values ('0','0','0',1,6),
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('0','1','2',1,5), ('0','2','0',1,3), ('1','0','1',1,2),
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('1','2','1',1,1), ('1','2','2',1,1), ('2','0','1',2,4),
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('2','2','0',1,7);
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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);
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select * from t1;
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F1 F2 F3 cnt groupid
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0 0 0 1 6
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0 1 2 1 5
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0 2 0 1 3
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1 0 1 1 2
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1 2 1 1 1
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2 0 1 2 4
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2 2 0 1 7
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drop table t1;
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CREATE TABLE t1 (
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`colA` int(10) unsigned NOT NULL auto_increment,
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`colB` int(11) NOT NULL default '0',
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PRIMARY KEY (`colA`)
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);
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INSERT INTO t1 VALUES (4433,5424);
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CREATE TABLE t2 (
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`colC` int(10) unsigned NOT NULL default '0',
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`colA` int(10) unsigned NOT NULL default '0',
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`colD` int(10) unsigned NOT NULL default '0',
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`colE` int(10) unsigned NOT NULL default '0',
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`colF` int(10) unsigned NOT NULL default '0',
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PRIMARY KEY (`colC`,`colA`,`colD`,`colE`)
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);
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INSERT INTO t2 VALUES (3,4433,10005,495,500);
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INSERT INTO t2 VALUES (3,4433,10005,496,500);
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INSERT INTO t2 VALUES (3,4433,10009,494,500);
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INSERT INTO t2 VALUES (3,4433,10011,494,500);
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INSERT INTO t2 VALUES (3,4433,10005,497,500);
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INSERT INTO t2 VALUES (3,4433,10013,489,500);
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INSERT INTO t2 VALUES (3,4433,10005,494,500);
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INSERT INTO t2 VALUES (3,4433,10005,493,500);
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INSERT INTO t2 VALUES (3,4433,10005,492,500);
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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;
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SELECT * FROM t2;
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colC colA colD colE colF
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3 4433 10005 495 500
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3 4433 10005 496 500
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3 4433 10009 495 0
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3 4433 10011 495 0
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3 4433 10005 498 0
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3 4433 10013 490 0
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3 4433 10005 494 500
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3 4433 10005 493 500
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3 4433 10005 492 500
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DROP TABLE t1;
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DROP TABLE t2;
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create table t1 (c1 int, c2 char(6), c3 int);
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create table t2 (c1 int, c2 char(6));
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insert into t1 values (1, "t1c2-1", 10), (2, "t1c2-2", 20);
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update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1";
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update t1 left join t2 on t1.c1 = t2.c1 set t2.c2 = "t2c2-1" where t1.c3 = 10;
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drop table t1, t2;
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create table t1 (id int not null auto_increment primary key, id_str varchar(32));
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insert into t1 (id_str) values ("test");
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update t1 set id_str = concat(id_str, id) where id = last_insert_id();
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select * from t1;
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id id_str
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1 test1
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drop table t1;
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create table t1 (a int, b char(255), key(a, b(20)));
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insert into t1 values (0, '1');
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update t1 set b = b + 1 where a = 0;
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select * from t1;
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a b
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0 2
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drop table t1;
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create table t1 (a int, b varchar(10), key b(b(5))) engine=myisam;
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create table t2 (a int, b varchar(10)) engine=myisam;
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insert into t1 values ( 1, 'abcd1e');
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insert into t1 values ( 2, 'abcd2e');
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insert into t2 values ( 1, 'abcd1e');
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insert into t2 values ( 2, 'abcd2e');
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analyze table t1,t2;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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test.t2 analyze status OK
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update t1, t2 set t1.a = t2.a where t2.b = t1.b;
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show warnings;
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Level Code Message
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drop table t1, t2;
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create table t1(f1 int, f2 int);
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create table t2(f3 int, f4 int);
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create index idx on t2(f3);
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insert into t1 values(1,0),(2,0);
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insert into t2 values(1,1),(2,2);
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UPDATE t1 SET t1.f2=(SELECT MAX(t2.f4) FROM t2 WHERE t2.f3=t1.f1);
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select * from t1;
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f1 f2
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1 1
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2 2
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drop table t1,t2;
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create table t1(f1 int);
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select DATABASE();
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DATABASE()
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test
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update t1 set f1=1 where count(*)=1;
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ERROR HY000: Invalid use of group function
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select DATABASE();
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DATABASE()
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test
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delete from t1 where count(*)=1;
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ERROR HY000: Invalid use of group function
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drop table t1;
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create table t1 ( a int, b int default 0, index (a) );
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insert into t1 (a) values (0),(0),(0),(0),(0),(0),(0),(0);
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flush status;
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select a from t1 order by a limit 1;
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a
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0
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show status like 'handler_read%';
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Variable_name Value
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Handler_read_first 1
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Handler_read_key 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 0
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flush status;
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update t1 set a=9999 order by a limit 1;
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update t1 set b=9999 order by a limit 1;
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show status like 'handler_read%';
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Variable_name Value
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Handler_read_first 1
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Handler_read_key 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 2
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Handler_read_rnd_next 9
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flush status;
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delete from t1 order by a limit 1;
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show status like 'handler_read%';
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Variable_name Value
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Handler_read_first 1
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Handler_read_key 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 0
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flush status;
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delete from t1 order by a desc limit 1;
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show status like 'handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 1
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Handler_read_rnd_next 9
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alter table t1 disable keys;
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flush status;
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delete from t1 order by a limit 1;
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show status like 'handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 1
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Handler_read_rnd_next 9
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select * from t1;
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a b
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0 0
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0 0
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0 0
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0 0
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0 0
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update t1 set a=a+10,b=1 order by a limit 3;
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update t1 set a=a+11,b=2 order by a limit 3;
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update t1 set a=a+12,b=3 order by a limit 3;
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select * from t1 order by a;
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a b
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11 2
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21 2
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22 3
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22 3
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23 3
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drop table t1;
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create table t1 (f1 date not null);
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insert into t1 values('2000-01-01'),('0000-00-00');
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update t1 set f1='2002-02-02' where f1 is null;
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select * from t1;
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f1
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2000-01-01
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2002-02-02
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drop table t1;
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create table t1 (f1 int);
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create table t2 (f2 int);
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insert into t1 values(1),(2);
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insert into t2 values(1),(1);
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update t1,t2 set f1=3,f2=3 where f1=f2 and f1=1;
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affected rows: 3
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info: Rows matched: 3 Changed: 3 Warnings: 0
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update t2 set f2=1;
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update t1 set f1=1 where f1=3;
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update t2,t1 set f1=3,f2=3 where f1=f2 and f1=1;
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affected rows: 3
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info: Rows matched: 3 Changed: 3 Warnings: 0
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drop table t1,t2;
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create table t1 (a int);
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insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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create table t2 (a int, filler1 char(200), filler2 char(200), key(a));
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insert into t2 select A.a + 10*B.a, 'filler','filler' from t1 A, t1 B;
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flush status;
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update t2 set a=3 where a=2;
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show status like 'handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 1
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Handler_read_next 1
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Handler_read_prev 0
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Handler_read_rnd 1
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Handler_read_rnd_next 0
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drop table t1, t2;
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create table t1(f1 int, `*f2` int);
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insert into t1 values (1,1);
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update t1 set `*f2`=1;
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drop table t1;
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create table t1(f1 int);
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update t1 set f2=1 order by f2;
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ERROR 42S22: Unknown column 'f2' in 'order clause'
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drop table t1;
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CREATE TABLE t1 (
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request_id int unsigned NOT NULL auto_increment,
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user_id varchar(12) default NULL,
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time_stamp datetime NOT NULL default '0000-00-00 00:00:00',
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ip_address varchar(15) default NULL,
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PRIMARY KEY (request_id),
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KEY user_id_2 (user_id,time_stamp)
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);
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INSERT INTO t1 (user_id) VALUES ('user1');
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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INSERT INTO t1(user_id) SELECT user_id FROM t1;
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flush status;
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SELECT user_id FROM t1 WHERE request_id=9999999999999;
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user_id
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show status like '%Handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 1
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 0
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SELECT user_id FROM t1 WHERE request_id=999999999999999999999999999999;
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user_id
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show status like '%Handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 2
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 0
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UPDATE t1 SET user_id=null WHERE request_id=9999999999999;
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show status like '%Handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 3
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 0
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UPDATE t1 SET user_id=null WHERE request_id=999999999999999999999999999999;
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show status like '%Handler_read%';
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Variable_name Value
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Handler_read_first 0
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Handler_read_key 3
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_rnd 0
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Handler_read_rnd_next 0
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DROP TABLE t1;
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CREATE TABLE t1 (
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a INT(11),
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quux decimal( 31, 30 ),
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UNIQUE KEY bar (a),
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KEY quux (quux)
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);
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INSERT INTO
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t1 ( a, quux )
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VALUES
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( 1, 1 ),
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( 2, 0.1 );
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INSERT INTO t1( a )
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SELECT @newA := 1 + a FROM t1 WHERE quux <= 0.1;
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SELECT * FROM t1;
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a quux
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1 1.000000000000000000000000000000
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2 0.100000000000000000000000000000
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3 NULL
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DROP TABLE t1;
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set tmp_table_size=1024;
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create table t1 (id int, a int, key idx(a));
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create table t2 (id int unsigned not null auto_increment primary key, a int);
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insert into t2(a) values(1),(2),(3),(4),(5),(6),(7),(8);
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|
insert into t2(a) select a from t2;
|
|
insert into t2(a) select a from t2;
|
|
insert into t2(a) select a from t2;
|
|
update t2 set a=id;
|
|
insert into t1 select * from t2;
|
|
select count(*) from t1 join t2 on (t1.a=t2.a);
|
|
count(*)
|
|
64
|
|
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
|
|
affected rows: 0
|
|
info: Rows matched: 64 Changed: 0 Warnings: 0
|
|
insert into t2(a) select a from t2;
|
|
update t2 set a=id;
|
|
truncate t1;
|
|
insert into t1 select * from t2;
|
|
select count(*) from t1 join t2 on (t1.a=t2.a);
|
|
count(*)
|
|
128
|
|
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
|
|
affected rows: 0
|
|
info: Rows matched: 128 Changed: 0 Warnings: 0
|
|
update t1 set a=1;
|
|
update t2 set a=1;
|
|
select count(*) from t1 join t2 on (t1.a=t2.a);
|
|
count(*)
|
|
16384
|
|
update t1 join t2 on (t1.a=t2.a) set t1.id=t2.id;
|
|
affected rows: 127
|
|
info: Rows matched: 128 Changed: 127 Warnings: 0
|
|
drop table t1,t2;
|
|
End of 5.0 tests
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