WordPress 18条必备SQL现成操作语句

WordPress 18条必备SQL现成操作语句

摘要:WordPress是非常好用的系统,其功能强大,操作简单,既然这么好用,大家还等什么,下面就为大家介绍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. 删除掉所有未使用的标签

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. 删除掉所有文章修订版本(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. 删除掉文章的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. 删除掉所有的Pingback

DELETE FROM wp_comments
WHERE comment_type = ‘pingback’

  13. 删除掉所有的垃圾评论

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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