From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andreas Karlsson <andreas(at)proxel(dot)se>, Peter Geoghegan <pg(at)heroku(dot)com>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Using 128-bit integers for sum, avg and statistics aggregates |
Date: | 2015-03-22 09:34:26 |
Message-ID: | CAApHDvqvx_t3FRrn34cuFkfvBQ0FMO2_yRvB3q3dpW3TXeiM0g@mail.gmail.com |
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On 22 March 2015 at 22:22, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> On March 22, 2015 6:17:28 AM GMT+01:00, Michael Paquier <
> michael(dot)paquier(at)gmail(dot)com> wrote:
> >On Sun, Mar 22, 2015 at 12:32 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> >> Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> >>> Pushed with that additional change. Let's see if the buildfarm
> >thinks.
> >>
> >> jacana, apparently alone among buildfarm members, does not like it.
> >
> >All the windows nodes don't pass tests with this patch, the difference
> >is in the exponential precision: e+000 instead of e+00.
>
> That's due to a different patch though, right?
Yes this is due to cc0d90b.
> When I checked earlier only jacana had problems due to this, and it looked
> like random memory was being output. It's interesting that that's on the
> one windows (not cygwin) critter that does the 128bit dance...
>
Yeah, I can't recreate the issue locally on my windows machine, but I may
try with gcc if I can get some time.
Regards
David Rowley
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