Additional arguments to aggregate functions

From: Artacus <artacus(at)comcast(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Additional arguments to aggregate functions
Date: 2008-06-05 06:31:11
Message-ID: 4847882F.3060109@comcast.net
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Is there a way to send additional arguments when defining a custom
aggregate?

I wrote a mysql style group_concat aggregate. You get DISTINCT "for
free." I want to be able to define if it is sorted and what the
separator is.

Art

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