sql 删除WordPress Raw中的所有孤儿用户元

Posted 2021-05-13

DELETE FROM wp_usermeta
WHERE NOT EXISTS (
  SELECT * FROM wp_users
	WHERE wp_usermeta.user_id = wp_users.ID
)

DELETE FROM wp_postmeta
WHERE NOT EXISTS (
  SELECT * FROM wp_posts
	WHERE wp_postmeta.post_id = wp_posts.ID
)