Re: planner document?

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: laser <laserlist(at)pgsqldb(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: planner document?
Date: 2008-06-16 01:07:37
Message-ID: 1213578457.10313.4.camel@jdavis
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On Mon, 2008-06-16 at 08:59 +0800, laser wrote:
> Hi,
>
> we recently try to build a costumer index type around 8.3, for now
> want to teach
> planner to pick up specific index for our query, so we'd like to use
> some document
> about how a query tree trun into different query plan and how to
> decide which one
> to use. Is there any document about that? Any hints will be great
> appreciated!
>

In the PostgreSQL source:

src/backend/optimizer/README

Regards,
Jeff Davis

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