Re: Help with pre-loaded arbitrary key sequences

On Jan 17, 2008 9:19 AM, James B. Byrne <byrnejb(at)harte-lyne(dot)ca> wrote:
>
> On Thu, January 17, 2008 10:15, Scott Marlowe wrote:
> >
> > If race conditions are a possible issue, you use a sequence and
> > increment that until you get a number that isn't used. That way two
> > clients connecting at the same time can get different, available
> > numbers.
> >
>
> That is close to the idea that I originally had. I was simply wondering
> if the built-in sequencer could handle this case or whether I need to roll
> my own.

Got bored, hacked this aggregious pl/pgsql routine up. It looks
horrible, but I wanted it to be able to use indexes. Seems to work.
Test has ~750k rows and returns in it and returns a new id in < 1ms
on my little server.

File attached.