From: | David Fetter <david(at)fetter(dot)org> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, Feng Tian <ftian(at)vitessedata(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] Decimal64 and Decimal128 |
Date: | 2018-11-12 23:01:49 |
Message-ID: | 20181112230149.GC4032@fetter.org |
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Thread: | |
Lists: | pgsql-hackers |
On Mon, Nov 12, 2018 at 02:57:37PM -0800, Andres Freund wrote:
> Hi,
>
> On 2018-11-12 23:51:35 +0100, David Fetter wrote:
> > On Tue, Nov 13, 2018 at 11:01:33AM +1300, David Rowley wrote:
> > > On 13 November 2018 at 10:39, Thomas Munro
> > > <thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> > > > ... and it has just been voted into the next revision of the C language:
> > > >
> > > > https://gustedt.wordpress.com/2018/11/12/c2x/
> > >
> > > Nice. Maybe we can get DECFLOAT into core around PostgreSQL 32 or so :-)
> >
> > That's the same schedule we were on for C99, assuming linearity. If
> > instead we assume that the speed increases with, say, more developers,
> > it seems reasonable to imagine that we'd have optional C2X features in
> > PostgreSQL 14 or 15, assuming support for it in at least two common
> > compiler toolchains ;)
>
> I don't think developer time is particularly relevant here. C99 adoption
> wasn't limited by somebody doing the work to make it so, but the desire
> to support some old platforms. I'm personally perfectly fine with being
> more aggressive around that, but there are some other quarters that are
> more resistant to such ideas... But even if we're more aggressive, 15
> seems quite unrealistic - there'll be a lot of platforms that won't have
> a bleeding edge version of $compiler.
So if this got added to a lot of compilers, that might suffice.
Does this have any coupling to the C++ integration, or is it pretty
much orthogonal?
Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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