Searching for paper about pg's optimizer cost model

From: Daniel Bausch <DanielBausch(at)gmx(dot)de>
To: pgsql-general(at)postgresql(dot)org
Subject: Searching for paper about pg's optimizer cost model
Date: 2010-05-28 11:24:43
Message-ID: 201005281324.43270.DanielBausch@gmx.de
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Hello,

does anybody know a paper (or any document but the code itself) containing a
description of the current cost model used by the query optimizer/planner.
I'm about to write a master thesis in this area that aims for more exact
estimates. Best would be some mathematical formulas with a rationale, but
anything else would help, too.

Regards,
Daniel Bausch
TU-Darmstadt (Germany)

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