Re: Very poor estimates from planner

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
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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.

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