Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Arthur Silva <arthurprs(at)gmail(dot)com>
Cc: Andreas Karlsson <andreas(at)proxel(dot)se>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates
Date: 2014-10-28 13:24:57
Message-ID: 20141028132457.GJ2639@awork2.anarazel.de
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On 2014-10-28 11:05:11 -0200, Arthur Silva wrote:
> On Sat, Oct 25, 2014 at 12:38 PM, Andreas Karlsson <andreas(at)proxel(dot)se>
> As far as I'm aware int128 types are supported on every major compiler when
> compiling for 64bit platforms. Right?

Depends on what you call major. IIRC some not that old msvc versions
don't for example. Also, there's a couple 32 platforms with int128 bit
support. So I think we should just add a configure test defining the
type + a feature macro.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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