WordPress的18条必备SQL操作语句

  导读:WordPress是一套非常好的CSM(或者叫做BLOG)系统,其实它早已经超越了BLOG系统。功能强大,操作简单,插件繁多。下面是对WordPress操作的18条WordPress SQL查询语句(不仅仅是查询语句),还有删除和修改语句。
  1. 删除所有未使用的标签

   
   
   
   
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

  2. 删除所有文章修订版本(Revisions)以及它们的Meta数据

   
   
   
   
DELETE a,b,c
FROM wp_posts a
LEFT JOIN wp_term_relationships b ON (a.ID = b. object_id )
LEFT JOIN wp_postmeta c ON (a.ID = c.post_id)
WHERE a.post_type = ' revision '

  3. 更改WordPress地址和首页地址

   
   
   
   
UPDATE wp_options
SET option_value = replace (option_value, ' http://www.旧网址.com ' , ' http://www.新网址.com ' )
WHERE option_name = ' home ' OR option_name = ' siteurl '

  4. 更改文章的GUID

   
   
   
   
UPDATE wp_posts
SET guid = REPLACE (guid, ' http://www.旧网址.com ' , ' http://www.新网址.com ' )

  5. 更改正文中的链接地址

   
   
   
   
UPDATE wp_posts
SET post_content = REPLACE (post_content, ' http://www.旧网址.com ' , ' http://www.新网址.com ' )

  6. 更新文章的Meta值

   
   
   
   
UPDATE wp_postmeta
SET meta_value = REPLACE (meta_value, ' http://www.旧网址.com ' , ' http://www.新网址.com '

  7. 重设Admin密码

   
   
   
   
UPDATE wp_users
SET user_pass = MD5( ' new_password ' )
WHERE user_login = ' admin '

  8. 重设admin的用户名

   
   
   
   
UPDATE wp_users
SET user_login = ' newname '
WHERE user_login = ' admin '

  9. 将作者a的文章全部转移到作者b

   
   
   
   
UPDATE wp_posts
SET post_author = ' b '
WHERE post_author = ' a '

  10. 删除文章的meta标签

   
   
   
   
DELETE FROM wp_postmeta
WHERE meta_key = ' your-meta-key '

  11. 导出所有评论中的邮件地址

   
   
   
   
SELECT DISTINCT comment_author_email
FROM wp_comments

  12. 删除所有的Pingback

   
   
   
   
DELETE FROM wp_comments
WHERE comment_type = ' pingback '

  13. 删除所有的垃圾评论

   
   
   
   
DELETE FROM wp_comments
WHERE comment_approved = ' spam '

  14. 禁用所有激活的插件

   
   
   
   
UPDATE wp_options
SET option_value = ''
WHERE option_name = ' active_plugins '

  15. 罗列所有未使用的Meta标签

   
   
   
   
SELECT *
FROM wp_postmeta pm
LEFT JOIN wp_posts wp ON wp.ID = pm.post_id
WHERE wp.ID IS NULL

  16. 关闭旧文章的留言

   
   
   
   
UPDATE wp_posts
SET comment_status = ' closed '
WHERE post_date < ' 2009-01-01 ' AND post_status = ' publish '

  17. 更新留言者的网址

   
   
   
   
UPDATE wp_comments
SET comment_author_url = REPLACE ( comment_author_url, ' http://旧网址.com ' , ' http://新网址.com ' )

  18. 更新正文内所有的’target=”_blank”‘为’rel=”nofollow”‘

   
   
   
   
UPDATE wp_posts
SET post_content = REPLACE (post_content, ' target="_blank ' , ' rel

  这就是全部的WordPress的18条必备SQL操作语句,希望大家能灵活掌握,学以致用,为以后的工作带去方便。

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