{"id":220,"date":"2015-04-29T22:05:09","date_gmt":"2015-04-29T22:05:09","guid":{"rendered":"http:\/\/blog.chen-hongyi.com\/?p=220"},"modified":"2015-04-29T22:05:09","modified_gmt":"2015-04-29T22:05:09","slug":"mysql%e5%ae%9e%e7%8e%b0%e4%b8%80%e4%ba%9b%e5%ae%89%e5%85%a8%e5%92%8c%e7%89%88%e6%9c%ac%e6%8e%a7%e5%88%b6%e7%9a%84%e6%80%9d%e8%b7%af","status":"publish","type":"post","link":"https:\/\/chen-hongyi.com\/?p=220","title":{"rendered":"mysql\u5b9e\u73b0\u4e00\u4e9b\u5b89\u5168\u548c\u7248\u672c\u63a7\u5236\u7684\u601d\u8def"},"content":{"rendered":"<section id=\"idp59767440\" class=\"article\" xml:lang=\"zh-cn\">\n<div class=\"toc\">\n<div class=\"toc-title\">http:\/\/netkiller.github.io\/journal\/mysql.security.html \u6765\u6e90<\/div>\n<div class=\"toc-title\"><\/div>\n<div class=\"toc-title\">\u76ee\u5f55<\/div>\n<ul class=\"toc\">\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#what\">1. \u4ec0\u4e48\u662f\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#why\">2. \u4e3a\u4ec0\u4e48\u8981\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#when\">3. \u4f55\u65f6\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#where\">4. \u5728\u54ea\u91cc\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#who\">5. \u8c01\u53bb\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#how\">6. \u600e\u6837\u5b9e\u73b0\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/a><\/span>\n<ul>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#idp59833664\">6.1. \u9650\u5236\u5220\u9664<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#idp59836096\">6.2. \u9650\u5236\u4fee\u6539<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#idp59840720\">6.3. \u4e3a\u6570\u636e\u5b89\u5168\u800c\u5206\u5e93<\/a><\/span><\/li>\n<\/ul>\n<\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#traces\">7. \u600e\u6837\u5b9e\u73b0\u6570\u636e\u4fee\u6539\u7559\u75d5<\/a><\/span>\n<ul>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#idp59853168\">7.1. \u7248\u672c\u63a7\u5236<\/a><\/span><\/li>\n<li><span class=\"section\"><a href=\"http:\/\/netkiller.github.io\/journal\/mysql.security.html#idp59859504\">7.2. \u4e00\u5f20\u8868\u5b9e\u73b0\u5386\u53f2\u65e5\u5fd7\u8bb0\u5f55<\/a><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<section id=\"what\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">1.\u00a0\u4ec0\u4e48\u662f\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<p>\u7981\u6b62\u6570\u636e\u5220\u9664\uff0c\u6570\u636e\u4e00\u65e6\u589e\u52a0\u4e0d\u5141\u8bb8\u6570\u636e\u88ab\u4efb\u4f55\u4eba\u5220\u9664<\/p>\n<p>\u7981\u6b62\u6570\u636e\u4fee\u6539\uff0c\u6570\u636e\u4e00\u65e6\u5efa\u7acb\u4e0d\u5141\u8bb8\u5bf9\u6570\u636e\u505a\u4fee\u6539\u64cd\u4f5c<\/p>\n<\/section>\n<section id=\"why\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">2.\u00a0\u4e3a\u4ec0\u4e48\u8981\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<p>\u5f88\u591a\u65f6\u5019\u6211\u4eec\u7684\u6570\u636e\u662f\u53ea\u589e\u52a0\uff0c\u4e0d\u4f1a\u5220\u9664\u6570\u636e\u3002\u6709\u4e9b\u654f\u611f\u5b50\u6bb5\u4e00\u65e6\u6570\u636e\u5bb6\u91cc\u662f\u4e0d\u5141\u8bb8\u518d\u4fee\u6539\u7684\uff0c\u4f8b\u5982\u94f6\u884c\u8d26\u6237\u8868\u4e2d\u7684\u8d44\u91d1\u5b50\u6bb5\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u539f\u56e0\u662f\u6211\u4eec\u9632\u6b62\u8bef\u64cd\u4f5c<\/p>\n<\/section>\n<section id=\"when\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">3.\u00a0\u4f55\u65f6\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6211\u8ba4\u4e3a\u5728\u6570\u636e\u5e93\u8bbe\u8ba1\u65f6\u5c31\u5e94\u8be5\u8003\u8651\u5012\u8fd9\u4e9b\u95ee\u9898\uff0c\u5982\u679c\u53d1\u73b0\u6570\u636e\u88ab\u5220\u9664\u6216\u8005\u88ab\u64b0\u6539\uff0c\u4ea1\u7f8a\u8865\u7262\u4e5f\u4e0d\u665a\uff0c\u6211\u4eec\u4e0d\u80fd\u5141\u8bb8\u518d\u6b21\u53d1\u751f\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u53d6\u6d88\u7528\u6237\u7684 DELETE \u6743\u9650\uff0c\u4f7f\u4e4b\u53ea\u80fd\u505a\u67e5\u8be2\u64cd\u4f5c\uff0c\u4f46\u4fee\u6539\uff08UPDATE\uff09\u5462\uff1f\u4f60\u5c31\u65e0\u80fd\u4e3a\u529b\uff01\u5982\u679c\u53d6\u6d88UPDATE\u7a0b\u5e8f\u5c06\u4e0d\u80fd\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<\/section>\n<section id=\"where\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">4.\u00a0\u5728\u54ea\u91cc\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<p>\u7a0b\u5e8f\u8bbe\u8ba1\u4e4b\u521d\u4f60\u5c31\u5e94\u8be5\u60f3\u5230\u8fd9\u4e9b\u95ee\u9898\uff0c\u5982\u679c\u6ca1\u6709\u8003\u8651\u5012\uff0c\u4f60\u53ea\u80fd\u4fee\u6539\u73b0\u6709\u903b\u8f91\u3002\u901a\u5e38\u7684\u505a\u6cd5\u662f\u6240\u6709\u8868\u589e\u52a0\u4e00\u4e2a\u5220\u9664\u72b6\u6001\u5b50\u6bb5\uff0c\u5220\u9664\u64cd\u4f5c\u5373\u662f\u66f4\u65b0\u72b6\u6001\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e5f\u6709\u5f0a\u7aef\u5c31\u662f\u5783\u573e\u6570\u636e\u4f1a\u4e0d\u505c\u5730\u81a8\u80c0\u3002<\/p>\n<\/section>\n<section id=\"who\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">5.\u00a0\u8c01\u53bb\u505a\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6211\u8ba4\u4e3a\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u4eba\uff0c\u4e00\u79cd\u662fDBA,\u4e00\u79cd\u662f\u5f00\u53d1\u8005\u3002\u8fd9\u91cc\u4e3b\u8981\u5c06\u6570\u636e\u5e93\u90e8\u5206\u3002<\/p>\n<\/section>\n<section id=\"how\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">6.\u00a0\u600e\u6837\u5b9e\u73b0\u9632\u5220\u9664\uff0c\u9632\u64b0\u6539\u9650\u5236<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<section id=\"idp59833664\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h3 class=\"title\">6.1.\u00a0\u9650\u5236\u5220\u9664<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<pre class=\"screen\">CREATE DEFINER=`dba`@`192.168.%` TRIGGER `account_before_delete` BEFORE DELETE ON `account` FOR EACH ROW BEGIN\r\n\tSIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Permission denied', MYSQL_ERRNO = 1001;\r\nEND\r\n<\/pre>\n<p>\u5bf9account\u8868\u4e2d\u7684\u8bb0\u5f55\u505a\u5220\u9664\u64cd\u4f5c\uff0c\u6570\u636e\u5e93\u629b\u51fa\u5f02\u5e38 Permission denied<\/p>\n<\/section>\n<section id=\"idp59836096\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h3 class=\"title\">6.2.\u00a0\u9650\u5236\u4fee\u6539<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<p>\u7981\u6b62\u6240\u6709\u4fee\u6539\u64cd\u4f5c<\/p>\n<pre class=\"screen\">DELIMITER $$\r\nCREATE DEFINER=`dba`@`192.168.%` TRIGGER `logging_before_update` BEFORE UPDATE ON `logging` FOR EACH ROW BEGIN\r\n\tSIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Permission denied', MYSQL_ERRNO = 1001;\r\nEND\t\t\t\r\n<\/pre>\n<p>\u9650\u5236\u90e8\u5206\u5b50\u6bb5\u4fee\u6539\uff0c\u5176\u4ed6\u5b50\u6bb5\u6254\u5141\u8bb8\u4fee\u6539<\/p>\n<pre class=\"screen\">CREATE DEFINER=`dba`@`192.168.%` TRIGGER `members_before_update` BEFORE UPDATE ON `members` FOR EACH ROW BEGIN\r\n\tSET NEW.`id` = OLD.id;\r\n\tSET NEW.`name` = OLD.name;\r\n\tSET NEW.`chinese_name` = OLD.chinese_name;\r\n\tSET NEW.`english_name` = OLD.english_name;\r\n\tSET NEW.`sex` = OLD.sex;\r\n\tSET NEW.`address` = OLD.address;\r\n\tSET NEW.`zipcode` = OLD.zipcode;\r\n\tSET NEW.`country_code` = OLD.country_code;\r\n\tSET NEW.`mobile` = OLD.mobile;\r\n\tSET NEW.`email` = OLD.email;\r\n\tSET NEW.`qq` = OLD.qq;\r\n\tSET NEW.`question` = OLD.question;\r\n\tSET NEW.`answer` = OLD.answer;\r\n\tSET NEW.`ctime` = OLD.ctime;\r\nEND\r\n<\/pre>\n<p>\u5728\u6570\u636e\u5e93\u4fee\u6539\u524d\u6211\u4eec\u8986\u76d6\u6389\u4fee\u6539\u7684\u6570\u636e\uff0c\u4f7f\u4e4b\u66f4\u65b0\u540e\u6570\u636e\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<\/section>\n<section id=\"idp59840720\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h3 class=\"title\">6.3.\u00a0\u4e3a\u6570\u636e\u5b89\u5168\u800c\u5206\u5e93<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6211\u4eec\u901a\u5e38\u4f7f\u7528\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\uff0c\u8be5\u6570\u636e\u5e93\u5305\u542b\u4e86\u524d\u540e\u53f0\u6240\u6709\u7684\u529f\u80fd\uff0c\u6211\u5efa\u8bae\u5c06\u524d\u540e\u53f0\u7b49\u7b49\u529f\u80fd\u8fdb\u884c\u5206\u5e93\u7136\u540e\u5bf9\u5e94\u5404\u79cd\u5e73\u53f0\u5206\u914d\u7528\u6237\u6743\u9650\uff0c\u4f8b\u5982<\/p>\n<p>\u6211\u4eec\u521b\u5efa\u4e09\u4e2a\u6570\u636e\u5e93cms,frontend,backend \u540c\u65f6\u5bf9\u5e94\u521b\u5efa\u4e09\u4e2a\u7528\u6237 cms,frontend,backend \u4e09\u4e2a\u7528\u6237\u53ea\u80fd\u5206\u522b\u8bbf\u95ee\u81ea\u5df1\u7684\u6570\u636e\u5e93\uff0c\u6ce8\u610f\u5728\u7cfb\u7edf\u7684\u8bbe\u8ba1\u4e4b\u521d\u4f60\u8981\u8003\u8651\u597d\u8fd9\u6837\u7684\u5212\u5206\u968f\u4e4b\u7cfb\u7edf\u9700\u8981\u505a\u76f8\u5e94\u7684\u8c03\u6574\u3002<\/p>\n<pre class=\"programlisting\">CREATE DATABASE `cms` \/*!40100 COLLATE 'utf8_general_ci' *\/;\r\nCREATE DATABASE `frontend` \/*!40100 COLLATE 'utf8_general_ci' *\/;\r\nCREATE DATABASE `backend` \/*!40100 COLLATE 'utf8_general_ci' *\/;\r\n<\/pre>\n<p>backend \u8d1f\u8d23\u540e\u53f0\uff0c\u6743\u9650\u6700\u9ad8<\/p>\n<pre class=\"programlisting\">mysql&gt; SHOW GRANTS FOR 'backend'@'localhost';\r\n+--------------------------------------------------------------------------------------+\r\n| Grants for backend@localhost                                                         |\r\n+--------------------------------------------------------------------------------------+\r\n| GRANT USAGE ON *.* TO 'backend'@'localhost'                                          |\r\n| GRANT SELECT, INSERT, UPDATE, DELETE ON `cms`.* TO 'backend'@'localhost'             |\r\n| GRANT SELECT, INSERT, UPDATE, DELETE ON `frontend`.* TO 'backend'@'localhost'        |\r\n| GRANT SELECT, INSERT, UPDATE, DELETE, CREATE ON `backend`.* TO 'backend'@'localhost' |\r\n+--------------------------------------------------------------------------------------+\r\n4 rows in set (0.04 sec)\t\t\r\n<\/pre>\n<p>frontend \u662f\u524d\u53f0\u6743\u9650\uff0c\u4e3b\u8981\u662f\u7528\u6237\u7528\u6237\u4e2d\u5fc3\uff0c\u7528\u6237\u6ce8\u518c\uff0c\u767b\u5f55\uff0c\u7528\u6237\u4fe1\u606f\u8d44\u6599\u7f16\u8f91\uff0c\u67e5\u770b\u65b0\u95fb\u7b49\u7b49<\/p>\n<pre class=\"programlisting\">mysql&gt; SHOW GRANTS FOR 'frontend'@'localhost';\r\n+------------------------------------------------------------------------+\r\n| Grants for frontend@localhost                                          |\r\n+------------------------------------------------------------------------+\r\n| GRANT USAGE ON *.* TO 'frontend'@'localhost'                           |\r\n| GRANT SELECT, INSERT, UPDATE ON `frontend`.* TO 'frontend'@'localhost' |\r\n| GRANT SELECT ON `cms`.`news` TO 'frontend'@'localhost'                 |\r\n+------------------------------------------------------------------------+\r\n3 rows in set (0.00 sec)\t\t\r\n<\/pre>\n<p>cms \u7528\u6237\u662f\u7f51\u7ad9\u5185\u5bb9\u7ba1\u7406\uff0c\u4e3b\u8981\u8d1f\u8d23\u5185\u5bb9\u66f4\u65b0\uff0c\u4f46\u767b\u9646CMS\u540e\u53f0\u9700\u8981`backend`.`Employees`\u8868\u7528\u6237\u8ba4\u8bc1\uff0c\u6240\u4ee5\u4ed6\u9700\u8981\u8bfb\u53d6\u6743\u9650\uff0c\u4f46\u4e0d\u5141\u8bb8\u4fee\u6539\u5176\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<pre class=\"programlisting\">mysql&gt; SHOW GRANTS FOR 'cms'@'localhost';\r\n+----------------------------------------------------------------------+\r\n| Grants for cms@localhost                                             |\r\n+----------------------------------------------------------------------+\r\n| GRANT USAGE ON *.* TO 'cms'@'localhost'                              |\r\n| GRANT SELECT, INSERT, UPDATE, DELETE ON `cms`.* TO 'cms'@'localhost' |\r\n| GRANT SELECT ON `backend`.`Employees` TO 'cms'@'localhost'           |\r\n+----------------------------------------------------------------------+\r\n3 rows in set (0.00 sec)\t\t\r\n<\/pre>\n<p>cms\u4e0ebackend \u901a\u5e38\u6211\u4eec\u4f1a\u9650\u5236IP\u5730\u5740\u6765\u6e90\uff0c\u5b89\u5168\u76f8\u5bf9\u597d\u63a7\u5236\u3002<\/p>\n<p>frontend \u4e3b\u8981\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u6211\u4eec\u5047\u8bbe\u4e00\u65e6\u88ab\u9a87\u5ba2\u5165\u4fb5\uff0c\u6240\u6ce2\u53ca\u7684\u8303\u56f4\u88ab\u9650\u5236\u5728frontend\u6743\u9650\u4e0b\uff0c\u81f3\u5c11`backend`.`Employees`\u4e0d\u4f1a\u88ab\u64b0\u6539\uff0cCMS\u5185\u5bb9\u4e5f\u5f97\u5230\u4e86\u4fdd\u62a4\u3002<\/p>\n<p>\u60f3100%\u89e3\u51b3\u6570\u636e\u7684\u5b89\u5168\u662f\u975e\u5e38\u7a7a\u96be\u7684\uff0c\u4f46\u6211\u4eec\u81f3\u5c11\u4fdd\u62a4\u4e86\u4e00\u90e8\u4efd\u6570\u636e\u7684\u5b89\u5168\u3002\u4f7f\u5176\u5b89\u5168\u4e0d\u4f1a\u8fdb\u4e00\u6b65\u6269\u6563\u5f71\u54cd\u3002<\/p>\n<\/section>\n<\/section>\n<section id=\"traces\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h2 class=\"title\">7.\u00a0\u600e\u6837\u5b9e\u73b0\u6570\u636e\u4fee\u6539\u7559\u75d5<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6570\u636e\u8bb0\u5f55\u6bcf\u4e00\u6b21\u4fee\u6539\u6211\u4eec\u90fd\u9700\u8981\u4fdd\u7559\u4e4b\u524d\u7684\u6570\u636e\uff0c\u8fd9\u6837\u53ef\u4ee5\u968f\u65f6\u8c03\u51fa\u5386\u53f2\u6570\u636e\uff0c\u7528\u6237\u5ba1\u8ba1\u7b49\u7b49\u3002<\/p>\n<section id=\"idp59853168\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h3 class=\"title\">7.1.\u00a0\u7248\u672c\u63a7\u5236<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<p>\u4e3b\u8868<\/p>\n<pre class=\"screen\">CREATE TABLE `article` (\r\n\t`article_id` MEDIUMINT(8) UNSIGNED NOT NULL AUTO_INCREMENT,\r\n\t`cat_id` SMALLINT(5) NOT NULL DEFAULT '0',\r\n\t`title` VARCHAR(150) NOT NULL DEFAULT '',\r\n\t`content` LONGTEXT NOT NULL,\r\n\t`author` VARCHAR(30) NOT NULL DEFAULT '',\r\n\t`keywords` VARCHAR(255) NOT NULL DEFAULT '',\r\n\tPRIMARY KEY (`article_id`),\r\n\tINDEX `cat_id` (`cat_id`)\r\n)\r\nENGINE=MyISAM\r\nROW_FORMAT=DEFAULT\r\nAUTO_INCREMENT=1\t\t\t\r\n<\/pre>\n<p>\u672c\u7248\u63a7\u5236\u8868\uff0c\u7528\u4e8e\u8bb0\u5f55\u6bcf\u6b21\u53d8\u52a8<\/p>\n<pre class=\"screen\">CREATE TABLE `article_history` (\r\n\t`id` MEDIUMINT(8) UNSIGNED NOT NULL AUTO_INCREMENT,\r\n\t`article_id` MEDIUMINT(8) UNSIGNED NOT NULL,\r\n\t`cat_id` SMALLINT(5) NOT NULL DEFAULT '0',\r\n\t`title` VARCHAR(150) NOT NULL DEFAULT '',\r\n\t`content` LONGTEXT NOT NULL,\r\n\t`author` VARCHAR(30) NOT NULL DEFAULT '',\r\n\t`keywords` VARCHAR(255) NOT NULL DEFAULT '',\r\n\tPRIMARY KEY (`id`),\r\n\tINDEX `article_id` (`article_id`)\r\n)\r\nENGINE=MyISAM\r\nROW_FORMAT=DEFAULT\r\nAUTO_INCREMENT=1\r\n<\/pre>\n<p>\u7248\u672c\u63a7\u5236\u89e6\u53d1\u5668<\/p>\n<pre class=\"screen\">DROP TRIGGER article_history;\r\n\r\nDELIMITER \/\/\r\nCREATE TRIGGER article_history BEFORE update ON article FOR EACH ROW\r\nBEGIN\r\n\tINSERT INTO article_history SELECT * FROM article WHERE article_id = OLD.article_id;\r\nEND; \/\/\r\nDELIMITER;\t\t\t\t\t\r\n<\/pre>\n<p>\u4efb\u4f55\u6570\u636e\u7684\u53d8\u5316\u90fd\u4f1a\u590d\u5236\u4e00\u4efd\u5230\u5386\u53f2\u8868\uff0c\u6211\u4eec\u53ef\u4ee5\u968f\u65f6\u6bd4\u8f83\u4e24\u4e2a\u7248\u672c\u6570\u636e\u7684\u53d8\u5316\uff0c\u6211\u8fd8\u4e3a\u6b64\u5f00\u53d1\u4e86\u4e00\u4e2a\u7c7b\u4f3cdiff\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u9010\u884c\u6bd4\u8f83\uff0c\u901a\u8fc7\u8272\u5f69\u53d8\u5316\u73b0\u5b9e\u6570\u636e\u7684\u4e0d\u540c\u3002<\/p>\n<\/section>\n<section id=\"idp59859504\" class=\"section\">\n<div class=\"titlepage\">\n<div>\n<div>\n<h3 class=\"title\">7.2.\u00a0\u4e00\u5f20\u8868\u5b9e\u73b0\u5386\u53f2\u65e5\u5fd7\u8bb0\u5f55<\/h3>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6211\u6709\u4e00\u4e2a\u8868\uff0c\u91cc\u9762\u53ea\u6709\u56fa\u5b9a\u884c\u6570\u7684\u884c\u8bb0\u5f55\uff0c\u8fd9\u4e9b\u6570\u636e\u5c31\u662f\u914d\u7f6e\u53c2\u6570\uff0c\u6211\u4eec\u5c06\u914d\u7f6e\u6587\u4ef6\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u56e0\u4e3a\u9700\u8981\u505a\u8d1f\u8f7d\u5747\u8861\u800c\u4e0d\u80fd\u4f7f\u7528\u6587\u4ef6\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p>\u6709\u8fd9\u6837\u4e00\u4e2a\u9700\u6c42\uff0c\u8fd9\u4e2a\u8bb0\u5f55\u6bcf\u6b21\u4fee\u6539\u90fd\u8981\u4fdd\u5b58\u5386\u53f2\u8bb0\u5f55\uff0c\u7528\u4e8e\u5ba1\u8ba1\u7b49\u7b49\u3002\u6211\u662f\u8fd9\u6837\u8bbe\u8ba1\u8be5\u8868\u7684<\/p>\n<pre class=\"screen\">CREATE TABLE `config_fee` (\r\n\t`id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,\r\n\t`level` INT(11) NULL DEFAULT NULL COMMENT '\u5c42\u7ea7',\r\n\t`type` ENUM('Deposit','Withdrawing') NOT NULL DEFAULT 'Withdrawing' COMMENT '\u7c7b\u578b\uff0c\u5b58\u6b3e\uff0c\u53d6\u6b3e',\r\n\t`min_fee` FLOAT(10,2) NOT NULL COMMENT '\u6700\u4f4e\u624b\u7eed\u8d39',\r\n\t`max_fee` FLOAT(10,2) NOT NULL COMMENT '\u6700\u9ad8\u624b\u7eed\u8d39',\r\n\t`ratio` FLOAT(10,2) NOT NULL COMMENT '\u624b\u7eed\u8d39\u6bd4\u4f8b',\r\n\t`operator` VARCHAR(10) NOT NULL COMMENT '\u64cd\u4f5c\u8005',\r\n\t`status` ENUM('Current','Trash') NOT NULL DEFAULT 'Current',\r\n\t`ctime` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,\r\n\t`mtime` TIMESTAMP NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,\r\n\tPRIMARY KEY (`id`)\r\n)\r\nCOMMENT='\u624b\u7eed\u8d39\u7ba1\u7406'\r\nCOLLATE='utf8_general_ci'\r\nENGINE=InnoDB;\t\t\t\r\n<\/pre>\n<p>\u6570\u636e\u8bb0\u5f55\u7684\u5f62\u6001<\/p>\n<pre class=\"screen\">mysql&gt; select type,operator,status,ctime,mtime from config_mtf_fee;\r\n+---------+----------+---------+---------------------+---------------------+\r\n| type    | operator | status  | ctime               | mtime               |\r\n+---------+----------+---------+---------------------+---------------------+\r\n| Deposit | jam      | Trash   | 2014-07-20 11:10:17 | 2014-07-20 11:10:57 |\r\n| Deposit | lucy     | Trash   | 2014-08-24 11:10:17 | 2014-08-24 11:10:57 |\r\n| Deposit | lily     | Trash   | 2014-08-25 11:10:17 | 2014-08-25 11:10:57 |\r\n| Deposit | kitty    | Trash   | 2014-08-27 11:10:17 | 2014-08-27 11:10:57 |\r\n| Deposit | neo      | Current | 2014-08-28 11:10:54 | 2014-08-28 11:10:59 |\r\n+---------+----------+---------+---------------------+---------------------+\r\n2 rows in set (0.00 sec)\t\t\t\r\n<\/pre>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u72b6\u6001 Current \u662f\u5f53\u524d\u8bb0\u5f55\uff0c\u800cTrash\u662f\u5e9f\u5f03\u7684\u5386\u53f2\u8bb0\u5f55\u3002<\/p>\n<p>\u6bcf\u6b21\u4fee\u6539\u6570\u636e\uff0c\u9996\u5148\u5c06Current\u6539\u4e3aTrash\uff0c\u7136\u540e\u63d2\u5165\u4e00\u6761\u65b0\u6570\u636e\u72b6\u6001\u4e3aCurrent\uff0c\u6211\u4eec\u53ea\u4f1a\u4f7f\u7528\u6700\u540e\u4e00\u6761\u72b6\u6001\u4e3acurrent\u7684\u6570\u636e\u3002<\/p>\n<p>\u6211\u4eec\u4f7f\u7528\u66f4\u65b0\u89e6\u53d1\u5668\u63a7\u5236\u9664\u4e86status,mtime\u610f\u5916\u7684\u5b57\u6bb5\u4fee\u6539<\/p>\n<pre class=\"screen\">CREATE DEFINER=`root`@`%` TRIGGER `config_fee_before_update` BEFORE UPDATE ON `config_fee` FOR EACH ROW BEGIN\r\n\tSET NEW.`id` = OLD.id;\r\n\tSET NEW.`level` = OLD.level;\r\n\tSET NEW.`type` = OLD.type;\r\n\tSET NEW.`min_amount` = OLD.min_amount;\r\n\tSET NEW.`min_fee` = OLD.min_fee;\r\n\tSET NEW.`max_fee` = OLD.max_fee;\r\n\tSET NEW.`ratio` = OLD.ratio;\r\n\tSET NEW.`operator` = OLD.operator;\r\n\tSET NEW.`ctime` = OLD.ctime;\r\nEND;\t\t\t\r\n<\/pre>\n<p>\u9650\u5236\u5220\u9664\u7684\u89e6\u53d1\u5668<\/p>\n<pre class=\"screen\">CREATE DEFINER=`dba`@`192.168.%` TRIGGER `config_fee_before_delete` BEFORE DELETE ON `config_fee` FOR EACH ROW BEGIN\r\n\tSIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Permission denied', MYSQL_ERRNO = 1001;\r\nEND\t\t\t\r\n<\/pre>\n<\/section>\n<\/section>\n<\/section>\n<div id=\"bdshare\" class=\"bdshare_t bds_tools_32 get-codes-bdshare\"><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/netkiller.github.io\/journal\/mysql &hellip; <a href=\"https:\/\/chen-hongyi.com\/?p=220\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-220","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=\/wp\/v2\/posts\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=220"}],"version-history":[{"count":1,"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=\/wp\/v2\/posts\/220\/revisions"}],"predecessor-version":[{"id":221,"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=\/wp\/v2\/posts\/220\/revisions\/221"}],"wp:attachment":[{"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chen-hongyi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}