text: CREATE OR REPLACE FUNCTION maw.get_role_names
  ()
  RETURNS TABLE (
      name VARCHAR(30)
  )
  LANGUAGE SQL
  AS $$
  
      SELECT name
        FROM maw.role
       ORDER BY name;
  
  $$;
  
  GRANT EXECUTE
     ON FUNCTION maw.get_role_names
     TO website;
  