--- Hengky Lie <[EMAIL PROTECTED]> wrote: > My Question is : How to make argument 4 optional ? When IS NULL the function > will show all transaction between date $1 and $2 and product ID=$3
Could you simply overload your function by having two functions? One with arguement 4 and one without? Regards, Richard Broersma Jr. ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster