mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
fb774125e8
Fix for a bug with LEAST() in WHERE clause ha_innodb.cc: Fix for a configure bug multi_update.result, multi_update.test: Fix for the update with NULL's in the result set sql_update.cc: Fix for the update with NULL's in the result set Fix for the update with NULL's in the result set Fix for the update with NULL's in the result set
329 lines
9.4 KiB
Text
329 lines
9.4 KiB
Text
drop table if exists t1,t2,t3;
|
|
create table t1(id1 int not null auto_increment primary key, t char(12));
|
|
create table t2(id2 int not null, t char(12));
|
|
create table t3(id3 int not null, t char(12), index(id3));
|
|
select count(*) from t1 where id1 > 95;
|
|
count(*)
|
|
5
|
|
select count(*) from t2 where id2 > 95;
|
|
count(*)
|
|
25
|
|
select count(*) from t3 where id3 > 95;
|
|
count(*)
|
|
250
|
|
update t1,t2,t3 set t1.t="aaa", t2.t="bbb", t3.t="cc" where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 90;
|
|
select count(*) from t1 where t = "aaa";
|
|
count(*)
|
|
10
|
|
select count(*) from t1 where id1 > 90;
|
|
count(*)
|
|
10
|
|
select count(*) from t2 where t = "bbb";
|
|
count(*)
|
|
50
|
|
select count(*) from t2 where id2 > 90;
|
|
count(*)
|
|
50
|
|
select count(*) from t3 where t = "cc";
|
|
count(*)
|
|
500
|
|
select count(*) from t3 where id3 > 90;
|
|
count(*)
|
|
500
|
|
delete t1.*, t2.*, t3.* from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 95;
|
|
check table t1, t2, t3;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
test.t2 check status OK
|
|
test.t3 check status OK
|
|
select count(*) from t1 where id1 > 95;
|
|
count(*)
|
|
0
|
|
select count(*) from t2 where id2 > 95;
|
|
count(*)
|
|
0
|
|
select count(*) from t3 where id3 > 95;
|
|
count(*)
|
|
0
|
|
delete t1, t2, t3 from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 5;
|
|
select count(*) from t1 where id1 > 5;
|
|
count(*)
|
|
0
|
|
select count(*) from t2 where id2 > 5;
|
|
count(*)
|
|
0
|
|
select count(*) from t3 where id3 > 5;
|
|
count(*)
|
|
0
|
|
delete from t1, t2, t3 using t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 0;
|
|
select count(*) from t1 where id1;
|
|
count(*)
|
|
0
|
|
select count(*) from t2 where id2;
|
|
count(*)
|
|
0
|
|
select count(*) from t3 where id3;
|
|
count(*)
|
|
0
|
|
drop table t1,t2,t3;
|
|
create table t1(id1 int not null primary key, t varchar(100)) pack_keys = 1;
|
|
create table t2(id2 int not null, t varchar(100), index(id2)) pack_keys = 1;
|
|
delete t1 from t1,t2 where t1.id1 = t2.id2 and t1.id1 > 500;
|
|
drop table t1,t2;
|
|
CREATE TABLE t1 (
|
|
id int(11) NOT NULL default '0',
|
|
name varchar(10) default NULL,
|
|
PRIMARY KEY (id)
|
|
) TYPE=MyISAM;
|
|
INSERT INTO t1 VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
|
|
CREATE TABLE t2 (
|
|
id int(11) NOT NULL default '0',
|
|
name varchar(10) default NULL,
|
|
PRIMARY KEY (id)
|
|
) TYPE=MyISAM;
|
|
INSERT INTO t2 VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
|
|
CREATE TABLE t3 (
|
|
id int(11) NOT NULL default '0',
|
|
mydate datetime default NULL,
|
|
PRIMARY KEY (id)
|
|
) TYPE=MyISAM;
|
|
INSERT INTO t3 VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
|
|
00:00:00'),(7,'2002-07-22 00:00:00');
|
|
delete t1,t2,t3 from t1,t2,t3 where to_days(now())-to_days(t3.mydate)>=30 and t3.id=t1.id and t3.id=t2.id;
|
|
select * from t3;
|
|
id mydate
|
|
1 2002-02-04 00:00:00
|
|
5 2002-05-12 00:00:00
|
|
6 2002-06-22 00:00:00
|
|
7 2002-07-22 00:00:00
|
|
DROP TABLE IF EXISTS t1,t2,t3;
|
|
CREATE TABLE IF NOT EXISTS `t1` (
|
|
`id` int(11) NOT NULL auto_increment,
|
|
`tst` text,
|
|
`tst1` text,
|
|
PRIMARY KEY (`id`)
|
|
) TYPE=MyISAM;
|
|
CREATE TABLE IF NOT EXISTS `t2` (
|
|
`ID` int(11) NOT NULL auto_increment,
|
|
`ParId` int(11) default NULL,
|
|
`tst` text,
|
|
`tst1` text,
|
|
PRIMARY KEY (`ID`),
|
|
KEY `IX_ParId_t2` (`ParId`),
|
|
FOREIGN KEY (`ParId`) REFERENCES `t1` (`id`)
|
|
) TYPE=MyISAM;
|
|
INSERT INTO t1(tst,tst1) VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
|
|
INSERT INTO t2(ParId) VALUES(1), (2), (3);
|
|
select * from t2;
|
|
ID ParId tst tst1
|
|
1 1 NULL NULL
|
|
2 2 NULL NULL
|
|
3 3 NULL NULL
|
|
UPDATE t2, t1 SET t2.tst = t1.tst, t2.tst1 = t1.tst1 WHERE t2.ParId = t1.Id;
|
|
select * from t2;
|
|
ID ParId tst tst1
|
|
1 1 MySQL MySQL AB
|
|
2 2 MSSQL Microsoft
|
|
3 3 ORACLE ORACLE
|
|
drop table if exists t1, t2 ;
|
|
create table t1 (n numeric(10));
|
|
create table t2 (n numeric(10));
|
|
insert into t2 values (1),(2),(4),(8),(16),(32);
|
|
select * from t2 left outer join t1 using (n);
|
|
n n
|
|
1 NULL
|
|
2 NULL
|
|
4 NULL
|
|
8 NULL
|
|
16 NULL
|
|
32 NULL
|
|
delete t1,t2 from t2 left outer join t1 using (n);
|
|
select * from t2 left outer join t1 using (n);
|
|
n n
|
|
drop table t1,t2 ;
|
|
create table t1 (n int(10) not null primary key, d int(10));
|
|
create table t2 (n int(10) not null primary key, d int(10));
|
|
insert into t1 values(1,1);
|
|
insert into t2 values(1,10),(2,20);
|
|
LOCK TABLES t1 write, t2 read;
|
|
DELETE t1.*, t2.* FROM t1,t2 where t1.n=t2.n;
|
|
Table 't2' was locked with a READ lock and can't be updated
|
|
UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n;
|
|
Table 't2' was locked with a READ lock and can't be updated
|
|
UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;
|
|
Table 't2' was locked with a READ lock and can't be updated
|
|
unlock tables;
|
|
LOCK TABLES t1 write, t2 write;
|
|
UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;
|
|
select * from t1;
|
|
n d
|
|
1 10
|
|
DELETE t1.*, t2.* FROM t1,t2 where t1.n=t2.n;
|
|
select * from t1;
|
|
n d
|
|
select * from t2;
|
|
n d
|
|
2 20
|
|
unlock tables;
|
|
drop table t1,t2;
|
|
set sql_safe_updates=1;
|
|
create table t1 (n int(10), d int(10));
|
|
create table t2 (n int(10), d int(10));
|
|
insert into t1 values(1,1);
|
|
insert into t2 values(1,10),(2,20);
|
|
UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;
|
|
You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
|
|
set sql_safe_updates=0;
|
|
drop table t1,t2;
|
|
set timestamp=1038401397;
|
|
create table t1 (n int(10) not null primary key, d int(10), t timestamp);
|
|
create table t2 (n int(10) not null primary key, d int(10), t timestamp);
|
|
insert into t1 values(1,1,NULL);
|
|
insert into t2 values(1,10,NULL),(2,20,NULL);
|
|
set timestamp=1038000000;
|
|
UPDATE t1,t2 SET t1.d=t2.d WHERE t1.n=t2.n;
|
|
select n,d,unix_timestamp(t) from t1;
|
|
n d unix_timestamp(t)
|
|
1 10 1038000000
|
|
select n,d,unix_timestamp(t) from t2;
|
|
n d unix_timestamp(t)
|
|
1 10 1038401397
|
|
2 20 1038401397
|
|
UPDATE t1,t2 SET 1=2 WHERE t1.n=t2.n;
|
|
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near '1=2 WHERE t1.n=t2.n' at line 1
|
|
drop table t1,t2;
|
|
set timestamp=0;
|
|
set sql_safe_updates=0;
|
|
create table t1 (n int(10) not null primary key, d int(10));
|
|
create table t2 (n int(10) not null primary key, d int(10));
|
|
insert into t1 values(1,1), (3,3);
|
|
insert into t2 values(1,10),(2,20);
|
|
UPDATE t2 left outer join t1 on t1.n=t2.n SET t1.d=t2.d;
|
|
select * from t1;
|
|
n d
|
|
1 10
|
|
3 3
|
|
select * from t2;
|
|
n d
|
|
1 10
|
|
2 20
|
|
drop table t1,t2;
|
|
create table t1 (n int(10), d int(10));
|
|
create table t2 (n int(10), d int(10));
|
|
insert into t1 values(1,1),(1,2);
|
|
insert into t2 values(1,10),(2,20);
|
|
UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n;
|
|
select * from t1;
|
|
n d
|
|
1 10
|
|
1 10
|
|
select * from t2;
|
|
n d
|
|
1 30
|
|
2 20
|
|
drop table t1,t2;
|
|
create table t1 (n int(10), d int(10));
|
|
create table t2 (n int(10), d int(10));
|
|
insert into t1 values(1,1),(3,2);
|
|
insert into t2 values(1,10),(1,20);
|
|
UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n;
|
|
select * from t1;
|
|
n d
|
|
1 10
|
|
3 2
|
|
select * from t2;
|
|
n d
|
|
1 30
|
|
1 30
|
|
drop table t1,t2;
|
|
drop table if exists t1,t2,t3;
|
|
CREATE TABLE t1 ( broj int(4) unsigned NOT NULL default '0', naziv char(25) NOT NULL default 'NEPOZNAT', PRIMARY KEY (broj)) TYPE=MyISAM;
|
|
INSERT INTO t1 VALUES (1,'jedan'),(2,'dva'),(3,'tri'),(4,'xxxxxxxxxx'),(5,'a'),(10,''),(11,''),(12,''),(13,'');
|
|
CREATE TABLE t2 ( broj int(4) unsigned NOT NULL default '0', naziv char(25) NOT NULL default 'NEPOZNAT', PRIMARY KEY (broj)) TYPE=MyISAM;
|
|
INSERT INTO t2 VALUES (1,'jedan'),(2,'dva'),(3,'tri'),(4,'xxxxxxxxxx'),(5,'a');
|
|
CREATE TABLE t3 ( broj int(4) unsigned NOT NULL default '0', naziv char(25) NOT NULL default 'NEPOZNAT', PRIMARY KEY (broj)) TYPE=MyISAM;
|
|
INSERT INTO t3 VALUES (1,'jedan'),(2,'dva');
|
|
update t1,t2 set t1.naziv="aaaa" where t1.broj=t2.broj;
|
|
update t1,t2,t3 set t1.naziv="bbbb", t2.naziv="aaaa" where t1.broj=t2.broj and t2.broj=t3.broj;
|
|
drop table if exists t1,t2,t3;
|
|
CREATE TABLE t1 (a int not null primary key, b int not null, key (b));
|
|
CREATE TABLE t2 (a int not null primary key, b int not null, key (b));
|
|
INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
|
|
INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
|
|
update t1,t2 set t1.a=t1.a+100;
|
|
select * from t1;
|
|
a b
|
|
101 1
|
|
102 2
|
|
103 3
|
|
104 4
|
|
105 5
|
|
106 6
|
|
107 7
|
|
108 8
|
|
109 9
|
|
update t1,t2 set t1.a=t1.a+100 where t1.a=101;
|
|
select * from t1;
|
|
a b
|
|
201 1
|
|
102 2
|
|
103 3
|
|
104 4
|
|
105 5
|
|
106 6
|
|
107 7
|
|
108 8
|
|
109 9
|
|
update t1,t2 set t1.b=t1.b+10 where t1.b=2;
|
|
select * from t1;
|
|
a b
|
|
201 1
|
|
102 12
|
|
103 3
|
|
104 4
|
|
105 5
|
|
106 6
|
|
107 7
|
|
108 8
|
|
109 9
|
|
update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t2.a=t1.a-100;
|
|
select * from t1;
|
|
a b
|
|
201 1
|
|
102 12
|
|
103 5
|
|
104 6
|
|
105 7
|
|
106 6
|
|
107 7
|
|
108 8
|
|
109 9
|
|
select * from t2;
|
|
a b
|
|
1 1
|
|
2 2
|
|
3 13
|
|
4 14
|
|
5 15
|
|
6 6
|
|
7 7
|
|
8 8
|
|
9 9
|
|
drop table t1,t2;
|
|
CREATE TABLE t3 ( KEY1 varchar(50) NOT NULL default '', PARAM_CORR_DISTANCE_RUSH double default NULL, PARAM_CORR_DISTANCE_GEM double default NULL, PARAM_AVG_TARE double default NULL, PARAM_AVG_NB_DAYS double default NULL, PARAM_DEFAULT_PROP_GEM_SRVC varchar(50) default NULL, PARAM_DEFAULT_PROP_GEM_NO_ETIK varchar(50) default NULL, PARAM_SCENARIO_COSTS varchar(50) default NULL, PARAM_DEFAULT_WAGON_COST double default NULL, tmp int(11) default NULL, PRIMARY KEY (KEY1)) TYPE=MyISAM;
|
|
INSERT INTO t3 VALUES ('A',1,1,22,3.2,'R','R','BASE2',0.24,NULL);
|
|
create table t1 (A varchar(1));
|
|
insert into t1 values ("A") ,("B"),("C"),("D");
|
|
create table t2(Z varchar(15));
|
|
insert into t2(Z) select concat(a.a,b.a,c.a,d.a) from t1 as a, t1 as b, t1 as c, t1 as d;
|
|
update t2,t3 set Z =param_scenario_costs;
|
|
drop table t1,t2,t3;
|
|
create table t1 (a int, b int);
|
|
create table t2 (a int, b int);
|
|
insert into t1 values (1,1),(2,1),(3,1);
|
|
insert into t2 values (1,1), (3,1);
|
|
update t1 left join t2 on t1.a=t2.a set t1.b=2, t2.b=2 where t1.b=1 and t2.b=1 or t2.a is NULL;
|
|
select t1.a, t1.b,t2.a, t2.b from t1 left join t2 on t1.a=t2.a where t1.b=1 and t2.b=1 or t2.a is NULL;
|
|
a b a b
|
|
2 2 NULL NULL
|
|
drop table t1,t2;
|