MySQL将timestamp默认值设置为null

2021-08-15 来源：MySQL将timestamp默认值设置为null 分类：技术疑难评论(0)

问题

以前MySQL创建表的的时候，timestamp类型的字段可以不加默认值。

createTime timestamp COMMENT '创建时间',

这样创建是没有问题的。但是现在却报错，“Invalid default value for ‘createTime’”

问题原因：因为MySQL 5.6以后timestamp设定默认值规则改变，不能为0000 00-00 00:00:00

查看网上解决方案是修改mysql安装目录下的my.ini文件。但是我不想改mysql配置。

解决方案

createTime timestamp NULL COMMENT '创建时间',

return_time timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '返回时间',

赞(1) 打赏

未经允许不得转载：猫头鹰源码-毕业设计 » MySQL将timestamp默认值设置为null

Warning: Use of undefined constant ‘标签：’ - assumed '‘标签：’' (this will throw an Error in a future version of PHP) in /home/wwwroot/maotouyingcc.com/wp-content/themes/dux/single.php on line 53

Warning: Use of undefined constant ” - assumed '”' (this will throw an Error in a future version of PHP) in /home/wwwroot/maotouyingcc.com/wp-content/themes/dux/single.php on line 53

Warning: Use of undefined constant ” - assumed '”' (this will throw an Error in a future version of PHP) in /home/wwwroot/maotouyingcc.com/wp-content/themes/dux/single.php on line 53
‘标签：’技术教程”