From: Kai Hessing <kai.hessing@hobsons.de>
To: pgsql-sql@postgresql.org
Subject: Re: Advanced SELECT
Date: Thu, 24 Feb 2005 14:38:47 +0100
Message-ID: <3863naF5jkqp2U2@individual.net> (raw)
In-Reply-To: <421D8EA6.7020107@archonet.com>
References: <383fk1F5hq3hhU1@individual.net>
<421D8EA6.7020107@archonet.com>
Richard Huxton schrieb:
> Search the mailing-list archives for "custom aggregate concat" and
> you'll quickly find an example of how to write your own custom aggregate
> (like SUM()).
>
> Warning - I don't think you can guarantee the order of elements in the
> aggregated sectors.
Thank you very much. This was the right hint where to search. For the
order I'll try to find some possibilities to write a function, that does
a sort on this ;) We'll see...
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To: pgsql-general@postgresql.org
Cc: kai.hessing@hobsons.de, pgsql-sql@postgresql.org
Subject: Re: Advanced SELECT
In-Reply-To: <3863naF5jkqp2U2@individual.net>
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