Re: complex custom aggregate function

From: Scara Maccai <m_lists(at)yahoo(dot)it>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: complex custom aggregate function
Date: 2009-01-30 12:45:57
Message-ID: 527028.60196.qm@web24606.mail.ird.yahoo.com
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Gregory Stark wrote:
> From what I read of your
> description you want to produce one record per input record.

Exactly.

> 8.4 Will have OLAP Window functions which can implement things like
> moving averages.

Using 8.3: could I do it caching all the values "somewhere" in a custom aggregation function to sort them before giving back the result?

Thank you.

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