Re: What can I use as a [non-aggregate] minimum function

All you need is a "max" function with two arguments. To find the
max of four numbers you can do this

max(max(max(a,b),c),d)

It is not even all that ugly.

Tom Lane wrote:
>
> "=?iso-8859-1?Q?Paul_Wehr?=" <postgresql(at)industrialsoftworks(dot)com> writes:
> > Since you didn't volunteer "just use not_aggregate_max()", I'm assuming
> > there's no built-in thing, so the follow-up question(s) would be:
> > 1) can a function be defined with a variable number of arguments
>
> No, although sometimes you can fake it by defining a family of functions
> with the same name and different numbers of arguments.
>
> > 2) can a function be created that calls itself (i.e. recursive)
>
> Sure, although I don't see how that helps in this case.
>
> > 3) can you do it for me? :)
>
> Nope, got too many things to do already...
>
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 1: subscribe and unsubscribe commands go to majordomo(at)postgresql(dot)org

--

--
Chris Albertson
Redondo Beach, California
home: 310-376-1029 chrisalbertson90278(at)yahoo(dot)com
cell: 310-990-7550
office: 310-336-5189 Christopher(dot)J(dot)Albertson(at)aero(dot)org