postgresql7.1 select content_keyword__new ( :heading, :description, :parent_id, :keyword_id, current_timestamp, :user_id, :creation_ip, :object_type ) select content_keyword__delete (:keyword_id) select content_keyword__set_heading(:keyword_id, :heading) select content_keyword__item_unassign(:item_id, :keyword_id) select content_keyword__item_assign( :item_id, :keyword, null, null, null )