Sql查询从1小时前选择？

Question

我有这个查询，但我想更改日期以基于服务器时间（或如果不可能由服务器时间通过发布日期）从1小时以前删除所有内容。我怎么做？

DELETE FROM wp_posts 
WHERE post_date < '2008-06-06 19:18:00' 
    AND post_status = 'publish' 

Answer 1

用途：

DELETE FROM wp_posts 
WHERE post_date < DATE_SUB(NOW(), INTERVAL 1 HOUR) 
    AND post_status = 'publish' 

参考：

• DATE_ADD
• DATE_SUB

Answer 2

或者更简单：

SELECT NOW() - INTERVAL 1 HOUR; 

所以查询变为：

DELETE FROM wp_posts 
WHERE post_date < NOW() - INTERVAL 1 HOUR 
    AND post_status = 'publish'