// by Kristian Allikmaa

DROP FUNCTION f_insert_order_bron(orders.id%type, orders.travel_from_id%
type, orders.travel_to_id%type, orders.name%type, orders.phone%type,
orders.address%type, orders.email%type, orders.comment%type,
orders.payment_type_id%type, orders.order_status_id%type,
orders.worker_id%type) CASCADE;