mirror of
https://github.com/MariaDB/server.git
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722 lines
20 KiB
Plaintext
722 lines
20 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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118
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119
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120
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121
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122
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123
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124
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125
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126
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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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 0
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Handler_read_rnd_deleted 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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 2
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Handler_read_rnd_deleted 0
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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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 0
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Handler_read_rnd_deleted 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_last 1
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 0
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Handler_read_rnd_deleted 0
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Handler_read_rnd_next 0
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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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 1
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Handler_read_rnd_deleted 2
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Handler_read_rnd_next 7
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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_last 0
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Handler_read_next 1
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 1
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Handler_read_rnd_deleted 0
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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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 0
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Handler_read_rnd_deleted 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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 0
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Handler_read_rnd_deleted 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_last 0
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Handler_read_next 0
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Handler_read_prev 0
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Handler_read_retry 0
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Handler_read_rnd 0
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Handler_read_rnd_deleted 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_last 0
|
|
Handler_read_next 0
|
|
Handler_read_prev 0
|
|
Handler_read_retry 0
|
|
Handler_read_rnd 0
|
|
Handler_read_rnd_deleted 0
|
|
Handler_read_rnd_next 0
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (
|
|
a INT(11),
|
|
quux decimal( 31, 30 ),
|
|
UNIQUE KEY bar (a),
|
|
KEY quux (quux)
|
|
);
|
|
INSERT INTO
|
|
t1 ( a, quux )
|
|
VALUES
|
|
( 1, 1 ),
|
|
( 2, 0.1 );
|
|
INSERT INTO t1( a )
|
|
SELECT @newA := 1 + a FROM t1 WHERE quux <= 0.1;
|
|
SELECT * FROM t1;
|
|
a quux
|
|
1 1.000000000000000000000000000000
|
|
2 0.100000000000000000000000000000
|
|
3 NULL
|
|
DROP TABLE t1;
|
|
connect con1,localhost,root,,test;
|
|
connection con1;
|
|
set tmp_table_size=1024;
|
|
create table t1 (id int, a int, key idx(a));
|
|
create table t2 (id int unsigned not null auto_increment primary key, a int);
|
|
insert into t2(a) values(1),(2),(3),(4),(5),(6),(7),(8);
|
|
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;
|
|
connection default;
|
|
disconnect con1;
|
|
DROP TABLE IF EXISTS t1;
|
|
DROP FUNCTION IF EXISTS f1;
|
|
CREATE FUNCTION f1() RETURNS INT RETURN f1();
|
|
CREATE TABLE t1 (i INT);
|
|
INSERT INTO t1 VALUES (1);
|
|
UPDATE t1 SET i = 3 WHERE f1();
|
|
ERROR HY000: Recursive stored functions and triggers are not allowed
|
|
UPDATE t1 SET i = f1();
|
|
ERROR HY000: Recursive stored functions and triggers are not allowed
|
|
DROP TABLE t1;
|
|
DROP FUNCTION f1;
|
|
End of 5.0 tests
|
|
#
|
|
# Bug #47919 assert in open_table during ALTER temporary table
|
|
#
|
|
CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT, PRIMARY KEY (f1));
|
|
CREATE TEMPORARY TABLE t2 LIKE t1;
|
|
INSERT INTO t1 VALUES (1);
|
|
INSERT INTO t2 VALUES (1);
|
|
ALTER TABLE t2 COMMENT = 'ABC';
|
|
UPDATE t2, t1 SET t2.f1 = 2, t1.f1 = 9;
|
|
ALTER TABLE t2 COMMENT = 'DEF';
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# Bug#50545: Single table UPDATE IGNORE crashes on join view in
|
|
# sql_safe_updates mode.
|
|
#
|
|
CREATE TABLE t1 ( a INT, KEY( a ) );
|
|
INSERT INTO t1 VALUES (0), (1);
|
|
CREATE VIEW v1 AS SELECT t11.a, t12.a AS b FROM t1 t11, t1 t12;
|
|
SET SESSION sql_safe_updates = 1;
|
|
UPDATE IGNORE v1 SET a = 1;
|
|
ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
|
|
SET SESSION sql_safe_updates = DEFAULT;
|
|
DROP TABLE t1;
|
|
DROP VIEW v1;
|
|
#
|
|
# Bug#54734 assert in Diagnostics_area::set_ok_status
|
|
#
|
|
DROP TABLE IF EXISTS t1, not_exists;
|
|
DROP FUNCTION IF EXISTS f1;
|
|
DROP VIEW IF EXISTS v1;
|
|
CREATE TABLE t1 (PRIMARY KEY(pk)) AS SELECT 1 AS pk;
|
|
CREATE FUNCTION f1() RETURNS INTEGER RETURN (SELECT 1 FROM not_exists);
|
|
CREATE VIEW v1 AS SELECT pk FROM t1 WHERE f1() = 13;
|
|
UPDATE v1 SET pk = 7 WHERE pk > 0;
|
|
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
|
|
DROP VIEW v1;
|
|
DROP FUNCTION f1;
|
|
DROP TABLE t1;
|
|
# Bug #21143080: UPDATE ON VARCHAR AND TEXT COLUMNS PRODUCE INCORRECT
|
|
# RESULTS
|
|
CREATE TABLE t1 (a VARCHAR(50), b TEXT, c CHAR(50)) ENGINE=INNODB;
|
|
INSERT INTO t1 (a, b, c) VALUES ('start trail', '', 'even longer string');
|
|
UPDATE t1 SET b = a, a = 'inject';
|
|
SELECT a, b FROM t1;
|
|
a b
|
|
inject start trail
|
|
UPDATE t1 SET b = c, c = 'inject';
|
|
SELECT c, b FROM t1;
|
|
c b
|
|
inject even longer string
|
|
DROP TABLE t1;
|
|
#
|
|
# MDEV-3948 Assertion `records_are_comparable(table)' fails in compare_record(const TABLE*) on UPDATE with simple AND condition, index_merge+index_merge_intersection, InnoDB
|
|
#
|
|
# Verify that UPDATE does the same number of handler_update
|
|
# operations, no matter if there is ORDER BY or not.
|
|
#
|
|
CREATE TABLE t1 (i INT) ENGINE=INNODB;
|
|
INSERT INTO t1 VALUES (10),(11),(12),(13),(14),(15),(16),(17),(18),(19),
|
|
(20),(21),(22),(23),(24),(25),(26),(27),(28),(29),
|
|
(30),(31),(32),(33),(34),(35);
|
|
CREATE TABLE t2 (a CHAR(2), b CHAR(2), c CHAR(2), d CHAR(2),
|
|
INDEX idx (a,b(1),c)) ENGINE=INNODB;
|
|
INSERT INTO t2 SELECT i, i, i, i FROM t1;
|
|
FLUSH STATUS;
|
|
START TRANSACTION;
|
|
UPDATE t2 SET d = 10 WHERE b = 10 LIMIT 5;
|
|
SHOW STATUS LIKE 'HANDLER_UPDATE';
|
|
Variable_name Value
|
|
Handler_update 1
|
|
ROLLBACK;
|
|
FLUSH STATUS;
|
|
START TRANSACTION;
|
|
UPDATE t2 SET d = 10 WHERE b = 10 ORDER BY a, c LIMIT 5;
|
|
SHOW STATUS LIKE 'HANDLER_UPDATE';
|
|
Variable_name Value
|
|
Handler_update 1
|
|
ROLLBACK;
|
|
Same test with a different UPDATE.
|
|
ALTER TABLE t2 DROP INDEX idx, ADD INDEX idx2 (a, b);
|
|
FLUSH STATUS;
|
|
START TRANSACTION;
|
|
UPDATE t2 SET c = 10 LIMIT 5;
|
|
SHOW STATUS LIKE 'HANDLER_UPDATE';
|
|
Variable_name Value
|
|
Handler_update 5
|
|
ROLLBACK;
|
|
FLUSH STATUS;
|
|
START TRANSACTION;
|
|
UPDATE t2 SET c = 10 ORDER BY a, b DESC LIMIT 5;
|
|
SHOW STATUS LIKE 'HANDLER_UPDATE';
|
|
Variable_name Value
|
|
Handler_update 5
|
|
ROLLBACK;
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# MDEV-8938: Server Crash on Update with joins
|
|
#
|
|
CREATE TABLE `t1` (
|
|
`name` varchar(255) NOT NULL,
|
|
`value` varchar(4095) DEFAULT NULL,
|
|
PRIMARY KEY (`name`)
|
|
);
|
|
UPDATE `t1` SET value = CONCAT("*.",(SELECT `temptable`.`value` FROM (SELECT * FROM `t1` WHERE `name`="consoleproxy.url.domain") AS `temptable` WHERE `temptable`.`name`="consoleproxy.url.domain")) WHERE `name`="consoleproxy.url.domain";
|
|
drop table t1;
|
|
CREATE TABLE `t1` (
|
|
`name` varchar(255) NOT NULL,
|
|
`value` varchar(4095) DEFAULT NULL,
|
|
PRIMARY KEY (`name`)
|
|
);
|
|
create table t2 (
|
|
`name` varchar(255) NOT NULL,
|
|
`value` varchar(4095) DEFAULT NULL,
|
|
PRIMARY KEY (`name`)
|
|
);
|
|
UPDATE t1
|
|
SET value = (SELECT value FROM t2 WHERE `name`= t1.name)
|
|
WHERE value is null ;
|
|
drop table t1,t2;
|
|
#
|
|
#MDEV-8701: Crash on derived query
|
|
#
|
|
CREATE TABLE t1 (
|
|
data_exit_entry_id int(11) NOT NULL,
|
|
data_entry_id int(11) NOT NULL,
|
|
data_entry_exit_id int(11) NOT NULL,
|
|
data_exit_entry_quantity double NOT NULL
|
|
) DEFAULT CHARSET=utf8;
|
|
CREATE TABLE t2 (
|
|
data_entry_id int(11) NOT NULL,
|
|
data_entry_cost double NOT NULL,
|
|
data_entry_quantity double NOT NULL
|
|
) DEFAULT CHARSET=utf8;
|
|
create algorithm=temptable view v1 as SELECT data_entry_exit_id, data_exit_entry_quantity, data_entry_cost
|
|
FROM t1 INNER JOIN t2 as dt ON dt.data_entry_id = t1.data_entry_id;
|
|
UPDATE t2
|
|
SET data_entry_cost
|
|
= ( ( SELECT SUM(data_exit_entry_quantity * data_entry_cost)
|
|
FROM
|
|
v1 AS query
|
|
WHERE data_entry_exit_id = t2.data_entry_id
|
|
)
|
|
);
|
|
UPDATE t2
|
|
SET data_entry_cost
|
|
= ( ( SELECT SUM(data_exit_entry_quantity * data_entry_cost)
|
|
FROM
|
|
( SELECT data_entry_exit_id, data_exit_entry_quantity, data_entry_cost
|
|
FROM t1 INNER JOIN t2 as dt ON dt.data_entry_id = t1.data_entry_id) AS query
|
|
WHERE data_entry_exit_id = t2.data_entry_id
|
|
)
|
|
);
|
|
drop view v1;
|
|
drop table t1, t2;
|
|
#
|
|
# MDEV-4410: update does not want to use a covering index, but select uses it.
|
|
#
|
|
create table t2(a int);
|
|
insert into t2 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t1 (key1 int, col1 int, key(key1));
|
|
insert into t1
|
|
select A.a + 10 * B.a + 100 * C.a, 1234 from t2 A, t2 B, t2 C;
|
|
# This must not have "Using filesort":
|
|
explain
|
|
update t1 set key1=key1+1 where key1 between 10 and 110 order by key1 limit 2;
|
|
id select_type table type possible_keys key key_len ref rows Extra
|
|
1 SIMPLE t1 range key1 key1 5 NULL 2 Using where; Using buffer
|
|
flush status;
|
|
update t1 set key1=key1+1 where key1 between 10 and 110 order by key1 limit 2;
|
|
show status like 'Handler_read%';
|
|
Variable_name Value
|
|
Handler_read_first 0
|
|
Handler_read_key 1
|
|
Handler_read_last 0
|
|
Handler_read_next 1
|
|
Handler_read_prev 0
|
|
Handler_read_retry 0
|
|
Handler_read_rnd 2
|
|
Handler_read_rnd_deleted 0
|
|
Handler_read_rnd_next 0
|
|
drop table t1, t2;
|
|
# End of MariaDB 10.0 tests
|