永久删除：有数据库命令吗？

[Canapin (Coin-coin le Canapin)]

如果您的愿望是彻底删除所有软删除的帖子，那么您可以使用 Rails 脚本循环遍历它们并使用 destroy 方法。

这可能会提供一些信息：

How to delete thousands of Personal Messages?

Revisiting this old topic, since none of the answers are 100% correct. The rake task rake destroy:private_messages does not hard delete all private messages, it soft deletes them. They can still be seen by an admin and they can be recovered. The Rails code Topic.where(archetype: 'private_message').where("user_id > 0").destroy_all destroys the topics, but not the actual messages. They are still in the database and can be viewed using for instance the data explorer plugin. This code will perma…