吾上云WORDPRESS教程最新“WordPress如何将标题重复的文章一次性删除?”
有些站长朋友使用wordpress做采集站,不断的采集各类文章自动发布到自己的网站上。但采集站最大的问题就是会采集到很多重复文章。这时,我们需将采集过来的重复文章进行去重处理。那么WordPress如何将标题重复的文章一次性删除?
以下是二种一次性去除标题重复文章的方法:
去除重复文章,只保留一篇
CREATE TABLE my_tmp AS SELECT MIN(ID) AS col1 FROM wp_posts GROUP BY post_title; DELETE FROM wp_posts WHERE ID NOT IN (SELECT col1 FROM my_tmp); DROP TABLE my_tmp;
去除重复文章,一片都不保留
CREATE TABLE my_tmp AS Select ID AS col1 From wp_posts Where post_title In (Select post_title From wp_posts Group By post_title Having Count(*)>2); DELETE FROM wp_posts WHERE ID IN (SELECT col1 FROM my_tmp); DROP TABLE my_tmp;
另一种去除所有重复文章的方法
CREATE TABLE my_tmp AS Select ID AS col1 From wp_posts Where post_title In (Select post_title From wp_posts Group By post_title Having Count(*)>2);DELETE FROM wp_posts WHERE ID IN (SELECT col1 FROM my_tmp); DROP TABLE my_tmp;
操作方法很简单,只需将上面的SQL语句,放到自己网站数据库的 SQL框里,然后执行就可以了。
文章来源于互联网WORDPRESS教程:WordPress如何将标题重复的文章一次性删除?,
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