Delete deleted-posts permanently in bulk?

[JammyDodger]

It’s not something I’ve done, but is this topic helpful:

The proper way to completely delete hundred of topics via rails?

Hi. I would like to delete ALL topics from a single category (~5000 topics) in order to re-import these topics from phpbb. I could delete these topics, but since Discourse doesn’t really delete them but hide them, my phpbb import won’t re-import these messages. I can’t just re-import from scratch either because I did a lot of configuration since my import. Not only discourse admin config but also reorganized categories, moved hundreds of topics by keywords, filtered a lot of messages with reg…