Re: Suggestion for aggregate function

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Greg Stark <gsstark(at)mit(dot)edu>
Cc: Bruno Wolff III <bruno(at)wolff(dot)to>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Suggestion for aggregate function
Date: 2003-01-17 23:17:12
Message-ID: 19622.1042845432@sss.pgh.pa.us
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Greg Stark <gsstark(at)mit(dot)edu> writes:
>> select min(column1),lookup_min(column1,column2) from tab

One small problem is that we only support single-argument aggregates.
As of 7.3 this is no longer wired into the system catalog layout, but
it's still wired into various internal datastructures. Anyone
interested in trying to fix it?

regards, tom lane

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