| From: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Rod Taylor <rbt(at)rbt(dot)ca>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Very poor estimates from planner |
| Date: | 2003-11-06 00:30:34 |
| Message-ID: | Pine.LNX.4.33.0311051730110.11103-100000@css120.ihs.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Wed, 5 Nov 2003, Tom Lane wrote:
> Rod Taylor <rbt(at)rbt(dot)ca> writes:
> >> I'm not sure if that will actually change the default_statistics_target
>
> > Hmm.. I was under the impression that it would work for any tables that
> > haven't otherwise been overridden.
>
> It will. I think Scott is recalling the original circa-7.2
> implementation, where it wouldn't. If you're unsure that you
> affected it, check out the actual sizes of the array values in pg_stats.
Hey, can anyone guess what version I'm running in production :-) Thanks
for the catch.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Neil Conway | 2003-11-06 00:44:37 | Re: equal() perf tweak |
| Previous Message | Gaetano Mendola | 2003-11-06 00:26:21 | Re: equal() perf tweak |