On Tue, 6 Apr 2004, Nabil Sayegh wrote:
> Stephan Szabo wrote:
>
> > One other possibility is that the planning is taking a really long time.
> > How long do explain (non-analyze) on the two systems take? And how many
> > joins are there precisely?
>
> Yeah, that seems to be it.
> It takes ~
> (real) 3.776s on 7.4
> (real) 0.082s on 7.3
> measured with bash/time but shouldn't make a difference
>
> So the plan is actually better but takes much longer to ... plan, right?
Yes. You might want to see if lowering join_collapse_limit helps any, I'd
suggest trying 0 first and then incrementing it.