Re: Optimizing numeric SUM() aggregate

From: Andres Freund <andres(at)anarazel(dot)de>
To: Andrey Borodin <amborodin(at)acm(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: Optimizing numeric SUM() aggregate
Date: 2016-08-03 20:07:49
Message-ID: 20160803200749.khyet6ik2u2r7kzv@alap3.anarazel.de
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On 2016-08-03 17:47:20 +0000, Andrey Borodin wrote:
> I suppose this proves performance impact of a patch. I don't think
> that sum calculation was a common bottleneck, but certainly patch will
> slightly improve performance of a very huge number of queries.

They commonly are in OLAP style workloads.

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