Alternative for people reading this with a fear for SQL…………… (or finding this via Google after Januari 2011):
Wait for this action until 3.1 comes out, then go to a post, check all comments and bulk “move to trash” 🙂 (it should come out any day now) (http://wordpress.org/about/roadmap/)
(or download 3.1 RC3 from http://wordpress.org/download/release-archive/)
