INSERT INTO `t1` VALUES (1,NULL),(2,NULL),(4,NULL),(11,NULL);
UNLOCK TABLES;
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
DELIMITER //;
/*!50003 SET SESSION SQL_MODE=""*/ //
/*!50003 SET SESSION SQL_MODE=""*/ //
/*!50003 CREATE TRIGGER `trg1` BEFORE INSERT ON `t1` FOR EACH ROW
begin
if new.a > 10 then
set new.a := 10;
set new.a := 11;
end if;
end*/ //
end*/ //
/*!50003 SET SESSION SQL_MODE=""*/ //
/*!50003 SET SESSION SQL_MODE=""*/ //
/*!50003 CREATE TRIGGER `trg2` BEFORE UPDATE ON `t1` FOR EACH ROW begin
if old.a % 2 = 0 then set new.b := 12; end if;
end*/ //
end*/ //
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER"*/ //
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER"*/ //
/*!50003 CREATE TRIGGER `trg3` AFTER UPDATE ON `t1` FOR EACH ROW
begin
if new.a = -1 then
set @fired:= "Yes";
end if;
end*/ //
end*/ //
DELIMITER ;//
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE*/;
/*!40000 ALTER TABLE `t1` DISABLE KEYS */;
LOCK TABLES `t1` WRITE;
INSERT INTO `t1` VALUES (1,NULL),(2,NULL),(4,NULL),(11,NULL);
UNLOCK TABLES;
/*!40000 ALTER TABLE `t1` ENABLE KEYS */;
DROP TABLE IF EXISTS `t2`;
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE */;DROP TABLE IF EXISTS `t2`;
CREATE TABLE `t2` (
`a` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */;
LOCK TABLES `t2` WRITE;
UNLOCK TABLES;
/*!40000 ALTER TABLE `t2` ENABLE KEYS */;
/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;
DELIMITER //;
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER"*/ //
/*!50003 SET SESSION SQL_MODE="STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER"*/ //
/*!50003 CREATE TRIGGER `trg4` BEFORE INSERT ON `t2` FOR EACH ROW
begin
if new.a > 10 then
set @fired:= "No";
end if;
end*/ //
end*/ //
DELIMITER ;//
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE*/;
/*!40000 ALTER TABLE `t2` DISABLE KEYS */;
LOCK TABLES `t2` WRITE;
UNLOCK TABLES;
/*!40000 ALTER TABLE `t2` ENABLE KEYS */;
/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE */;
/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
...
...
@@ -1875,6 +1875,37 @@ set @fired:= "No";
end if;
end BEFORE # STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER
DROP TABLE t1, t2;
DROP TABLE IF EXISTS `test1`;
Warnings:
Note 1051 Unknown table 'test1'
CREATE TABLE `test1` (
`a1` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
DROP TABLE IF EXISTS `test2`;
Warnings:
Note 1051 Unknown table 'test2'
CREATE TABLE `test2` (
`a2` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
CREATE TRIGGER `testref` BEFORE INSERT ON `test1` FOR EACH ROW BEGIN
INSERT INTO test2 SET a2 = NEW.a1; END //
INSERT INTO `test1` VALUES (1);
SELECT * FROM `test2`;
a2
1
SHOW TRIGGERS;
Trigger Event Table Statement Timing Created sql_mode
testref INSERT test1 BEGIN
INSERT INTO test2 SET a2 = NEW.a1; END BEFORE NULL