首页 > 数据库技术 > 详细

MySQL 触发器

时间:2018-09-30 19:14:06      阅读:205      评论:0      收藏:0      [点我收藏+]
CREATE TABLE `NewTable` (
`id`  int(10) UNSIGNED NOT NULL AUTO_INCREMENT ,
`name`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`pwd`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
PRIMARY KEY (`id`)
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8 COLLATE=utf8_general_ci
AUTO_INCREMENT=7
ROW_FORMAT=COMPACT
;
CREATE DEFINER=`root`@`localhost` TRIGGER `add` AFTER INSERT ON `NewTable`
FOR EACH ROW BEGIN
    insert into ht_log (logtime,content) values (NOW(),CONCAT(‘添加用户‘,new.name));
END;
CREATE DEFINER=`root`@`localhost` TRIGGER `update` AFTER UPDATE ON `NewTable`
FOR EACH ROW BEGIN
    insert into ht_log (logtime,content) values (NOW(),CONCAT(‘修改用户‘,old.name,‘->‘,new.name,‘;‘,old.pwd,‘->‘,new.pwd));
END;
CREATE DEFINER=`root`@`localhost` TRIGGER `delete` AFTER DELETE ON `NewTable`
FOR EACH ROW BEGIN
    insert into ht_log (logtime,content) values (NOW(),CONCAT(‘删除用户‘,old.name));
END;

MySQL 触发器

原文:https://www.cnblogs.com/fanhuo/p/9732893.html

(0)
(0)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!