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fixed two bugs in multi-table update

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Sinisa@sinisa.nasamreza.org
2002-08-06 21:24:12 +03:00
parent 9c49005ff5
commit e679540cfd
4 changed files with 96 additions and 12 deletions
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35
mysql-test/r/multi_update.result
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@ -100,3 +100,38 @@ id mydate
6 2002-06-22 00:00:00
7 2002-07-22 00:00:00
DROP TABLE IF EXISTS a,b,c;
drop table if exists parent, child;
CREATE TABLE IF NOT EXISTS `parent` (
`id` int(11) NOT NULL auto_increment,
`tst` text,
`tst1` text,
PRIMARY KEY (`id`)
) TYPE=MyISAM;
CREATE TABLE IF NOT EXISTS `child` (
`ID` int(11) NOT NULL auto_increment,
`ParId` int(11) default NULL,
`tst` text,
`tst1` text,
PRIMARY KEY (`ID`),
KEY `IX_ParId_child` (`ParId`),
FOREIGN KEY (`ParId`) REFERENCES `test.parent` (`id`)
) TYPE=MyISAM;
INSERT INTO parent(tst,tst1)
VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
INSERT INTO child(ParId)
VALUES(1), (2), (3);
select * from child;
ID ParId tst tst1
1 1 NULL NULL
2 2 NULL NULL
3 3 NULL NULL
UPDATE child, parent
SET child.tst = parent.tst,
child.tst1 = parent.tst1
WHERE child.ParId = parent.Id;
select * from child;
ID ParId tst tst1
1 1 MySQL MySQL AB
2 2 MSSQL Microsoft
3 3 ORACLE ORACLE
drop table parent, child;