Re: [PATCH] Negative Transition Aggregate Functions (WIP)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, Greg Stark <stark(at)mit(dot)edu>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Negative Transition Aggregate Functions (WIP)
Date: 2013-12-15 01:59:45
Message-ID: 24821.1387072785@sss.pgh.pa.us
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David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> On Sun, Dec 15, 2013 at 2:27 PM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
>> If we're going to disqualify NUMERIC too, we might as well bounce the
>> feature. Without a fast FLOAT or NUMERIC, you've lost most of the
>> target audience.

> I think the feature is worth it alone if we could improve COUNT(*).

Agreed, count(*) and operations on integers are alone enough to be worth
the trouble.

regards, tom lane

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