Re: Very poor estimates from planner

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Rod Taylor <rbt(at)rbt(dot)ca>
Cc: Scott Marlowe <scott(dot)marlowe(at)ihs(dot)com>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Very poor estimates from planner
Date: 2003-11-05 23:57:04
Message-ID: 14611.1068076624@sss.pgh.pa.us
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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.

regards, tom lane

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