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mysql5.7 datetime 默认值0000-00-00 00:00:00出错
实验环境:MySQL 5.7.17
使用wordpress的表wp_postsmysql > CREATE TABLE `wp_posts` (
-> `ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-> `post_author` bigint(20) unsigned NOT NULL DEFAULT ‘0‘,
-> `post_date` datetime NOT NULL DEFAULT ‘0000-00-00 00:00:00‘,
-> `post_date_gmt` datetime NOT NULL DEFAULT ‘0000-00-00 00:00:00‘,
-> `post_content` longtext NOT NULL,
-> `post_title` text NOT NULL,
-> `post_excerpt` text NOT NULL,
-> `post_status` varchar(20) NOT NULL DEFAULT ‘publish‘,
-> `comment_status` varchar(20) NOT NULL DEFAULT ‘open‘,
-> `ping_status` varchar(20) NOT NULL DEFAULT ‘open‘,
-> `post_password` varchar(20) NOT NULL DEFAULT ‘‘,
-> `post_name` varchar(200) NOT NULL DEFAULT ‘‘,
-> `to_ping` text NOT NULL,
-> `pinged` text NOT NULL,
-> `post_modified` datetime NOT NULL DEFAULT ‘0000-00-00 00:00:00‘,
-> `post_modified_gmt` datetime NOT NULL DEFAULT ‘0000-00-00 00:00:00‘,
-> `post_content_filtered` longtext NOT NULL,
-> `post_parent` bigint(20) unsigned NOT NULL DEFAULT ‘0‘,
-> `guid` varchar(255) NOT NULL DEFAULT ‘‘,
-> `menu_order` int(11) NOT NULL DEFAULT ‘0‘,
-> `post_type` varchar(20) NOT NULL DEFAULT ‘post‘,
-> `post_mime_type` varchar(100) NOT NULL DEFAULT ‘‘,
-> `comment_count` bigint(20) NOT NULL DEFAULT ‘0‘,
-> PRIMARY KEY (`ID`),
-> KEY `post_name` (`post_name`(191)),
-> KEY `type_status_date` (`post_type`,`post_status`,`post_date`,`ID`),
-> KEY `post_parent` (`post_parent`),
-> KEY `post_author` (`post_author`)
-> ) ENGINE=innodb AUTO_INCREMENT=536 DEFAULT CHARSET=utf8;
ERROR 1067 (42000): Invalid default value for ‘post_date‘
出现以上问题:是因为mysql5.7版本后,sql_mode参数被设置了NO_ZERO_IN_DATE,NO_ZERO_DATEmysql > show variables like ‘sql_mode‘;
+---------------+-------------------------------------------------------------------------------------------------------------------------------------------+
| Variable_name | Value |
+---------------+-------------------------------------------------------------------------------------------------------------------------------------------+
| sql_mode | ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION |
+---------------+-------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.01 sec)
解决方法:
方法一:临时修改方法mysql> set global sql_mode=‘ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION‘ ;
mysql> set session sql_mode=‘ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION‘ ;
方法二:永久修改方法,需要重启mysql服务:修改mysql的配置文件my.cnf,添加以下参数sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION //实际是去除NO_ZERO_IN_DATE,NO_ZERO_DATE
方法三:修改datetime的默认值
原文:http://corasql.blog.51cto.com/5908329/1913178
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