Re: Correlation in cost_index()

From: Manfred Koizar <mkoi-pg(at)aon(dot)at>
To: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Correlation in cost_index()
Date: 2002-10-03 16:27:12
Message-ID: 5oropusfmcur82u3l5odpnhkbg8ha0aj5t@4ax.com
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On Wed, 2 Oct 2002 14:07:19 -0600 (MDT), "scott.marlowe"
<scott(dot)marlowe(at)ihs(dot)com> wrote:
>I've found that when the planner misses, sometimes it misses
>by HUGE amounts on large tables,

Scott,

yet another question: are multicolunm indices involved in your
estimator problems?

Servus
Manfred

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