Re: Index-only scans

From: Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>
To: Mischa Sandberg <mischa(dot)sandberg(at)sophos(dot)com>
Cc: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Index-only scans
Date: 2009-07-14 03:39:49
Message-ID: 3073cc9b0907132039q3f0c89f7v1ef4d665932e9334@mail.gmail.com
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On Mon, Jul 13, 2009 at 5:38 PM, Mischa
Sandberg<mischa(dot)sandberg(at)sophos(dot)com> wrote:
> Does PG have an intermediate execution node to sort/batch index entries (heap tuple ptrs) by heap page prior to lookup? Something mssql does ...
>

it sounds a lot like a bitmap index scan

--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157

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