Re: Planning aggregates which require sorted or distinct

From: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
To: Karen Hill <karen_hill22(at)yahoo(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Planning aggregates which require sorted or distinct
Date: 2007-01-19 19:57:55
Message-ID: 45B122C3.9070408@kaltenbrunner.cc
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Karen Hill wrote:
> Gavin Sherry wrote:
>> Recenly, I've been researching and putting together a proposal for window
>> functions.
>
> Implementing NULLS FIRST and NULLS LAST appears like another
> challenging step to getting window functions wrapped up. Has your
> research lead you to any ideas on what your strategy for NULLS FIRST
> and NULLS LAST likely would be?

maybe I'm missunderstanding your question but tom implemented that
already in -HEAD:

http://archives.postgresql.org/pgsql-committers/2007-01/msg00123.php

Stefan

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