Re: proposal: tuplestore, tuplesort aggregate functions

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Robert Haas" <robertmhaas(at)gmail(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "David Fetter" <david(at)fetter(dot)org>, "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>, "PostgreSQL Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: proposal: tuplestore, tuplesort aggregate functions
Date: 2010-08-19 20:38:12
Message-ID: 4C6D4FE40200002500034946@gw.wicourts.gov
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Robert Haas <robertmhaas(at)gmail(dot)com> wrote:

> I suppose there could also be a bit of an ambiguity if you're
working
> with a type like int4 where the values are discrete steps. Like,
what
> do you do with {1, 2}?

The same thing you do with the avg function?

-Kevin

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