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[JammyDodger]

据我所知，rake destroy 任务不会从数据库中删除数据，它们只会进行软删除。要进行硬删除，您需要访问 rails 控制台。

我的 rails 技能不是很好，所以我不敢提供任何具体的建议，尤其是对于这么大的工作 ，但有一些现有的建议可以用来研究您需要做什么。例如：

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…