Re: Sort and index

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>
Cc: Dave Held <dave(dot)held(at)arrayservicesgrp(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Sort and index
Date: 2005-04-23 05:00:40
Message-ID: 6536.1114232440@sss.pgh.pa.us
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"Jim C. Nasby" <decibel(at)decibel(dot)org> writes:
>> Feel free to propose better cost equations.

> Where would I look in code to see what's used now?

All the gold is hidden in src/backend/optimizer/path/costsize.c.

regards, tom lane

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