使用场景和用途
1.由于网站之前网站启用了Autotags插件,导致乱截取关键词什么a,b,c等等这种单个字母的文字用处不大还占用了tag标签地搜索引擎的影响。因为标签和文章绑定关系所以要多表联查删除。所以有了今天的教程。
查询分类下的文章信息
select ID from wp_posts,wp_term_relationships,wp_term_taxonomy where ID=object_id and wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id and post_type="post" and post_status = "publish" and wp_term_relationships.term_taxonomy_id = 393 and taxonomy = "category"
查询指定标签的数量
SELECT * FROM wp_terms AS a LEFT JOIN wp_term_taxonomy AS c ON a.term_id = c.term_id LEFT JOIN wp_term_relationships AS b ON b.term_taxonomy_id = c.term_taxonomy_id WHERE c.taxonomy = 'post_tag' AND c.count = 0
删除指定标签的名称(查询条件按数量)
DELETE a,b,c FROM wp_terms AS a LEFT JOIN wp_term_taxonomy AS c ON a.term_id = c.term_id LEFT JOIN wp_term_relationships AS b ON b.term_taxonomy_id = c.term_taxonomy_id WHERE c.taxonomy = 'post_tag' AND c.count = 0
特殊说明:如果进行了以下操作可能会无法正常显示分页信息,即删除了分页和数量都在,其实已经都删除掉了
如果网站进行了这篇文章的更改会出现以上问题。点我前往>>>>文章源自玩技e族-https://www.playezu.com/175285.html
文章源自玩技e族-https://www.playezu.com/175285.html 文章源自玩技e族-https://www.playezu.com/175285.html
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