class MigrateOldMovedPosts < ActiveRecord::Migration def up execute "UPDATE posts SET post_type = 3, action_code = 'split_topic' WHERE post_type = 2 AND raw ~* '^I moved [a\\d]+ posts? to a new topic:'" execute "UPDATE posts SET post_type = 3, action_code = 'split_topic' WHERE post_type = 2 AND raw ~* '^I moved [a\\d]+ posts? to an existing topic:'" end end