FUNCTION getDoTime_Fun(
　　ids NUMBER, flags number)
　　RETURN NUMBER
　　IS
　　V_sum NUMBER;
BEGIN
  if(ids is null) then
    V_sum := 0;
  else
      if(flags :=1) then
    select  DoTime into V_sum from MX_ServiceQuestion where id = ids;
   else
      if(flags :=2) then
    select  DoTime2 into V_sum from MX_ServiceQuestion where id = ids;
  else
    select  DoTime  into V_sum from MX_ServiceQuestion where id = ids;
        end if;
        end if;
        end if;
        
  RETURN V_sum;
    
END getDoTime_Fun;