select b.bug_number from bt_bugs b where b.bug_id = :bug_id and b.project_id = :package_id select rel_id from acs_data_links, cr_items where object_id_one = :bug_id and object_id_two = :related_object_id and item_id = object_id_two and (content_type = 'content_revision' or content_type = 'image') delete from acs_data_links where rel_id = :rel_id