delete from eduwiki_groups_map where party_id = :eduwiki_group_id and eduwiki_id = :eduwiki_id delete from eduwiki_pages_map where party_id = :eduwiki_group_id and eduwiki_id = :eduwiki_id select page_id from eduwiki_pages_map where party_id = :eduwiki_group_id and eduwiki_id = :eduwiki_id