From: | Andres Freund <andres(at)anarazel(dot)de> |
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To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Time to drop old-style (V0) functions? |
Date: | 2017-03-01 07:22:25 |
Message-ID: | 20170301072225.ffnxvx6vtezxcf2k@alap3.anarazel.de |
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On 2017-02-28 23:15:15 -0800, Andres Freund wrote:
> On 2016-12-08 13:34:41 -0800, Andres Freund wrote:
> > Hi,
> >
> > I'm wondering if it's not time for $subject:
> > - V0 causes confusion / weird crashes when PG_FUNCTION_INFO_V1 was
> > forgotten
> > - They have us keep weird hacks around just for the sake of testing V0
> > - they actually cost performance, because we have to zero initialize Datums, even if
> > the corresponding isnull marker is set.
> > - they allow to call arbitrary functions pretty easily
> >
> > I don't see any reason to keep them around. If seriously doubt anybody
> > is using them seriously in anything but error.
>
> Patches attached.
One unaddressed question in those patches is what we do with
src/backend/utils/fmgr/README - I'm not quite sure what its purpose is,
in its current state. If we want to keep it, we'd probably have to
pretty aggressively revise it?
- Andres
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