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Re: Replacement Selection

From: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
To: mac_man2005(at)hotmail(dot)it
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Replacement Selection
Date: 2007-11-26 13:34:30
Message-ID: 474ACB66.3080305@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-hackers
mac_man2005(at)hotmail(dot)it wrote:
> I downloaded the source code of the last stable version of PostgreSQL. 
> Where can I find the part related to the External Sorting algorithm 
> (supposed to be Replacement Selection)?
> I mean, which is the file to be studied and/or modified and/or substituted?

In src/backend/utils/sort/tuplesort.c. The comments at the top of that 
file is a good place to start.

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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