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List: postgresql-general
Subject: Re: [HACKERS] Exposing PG_VERSION_NUM in pg_config
From: Peter Eisentraut <peter_e () gmx ! net>
Date: 2015-03-31 23:50:51
Message-ID: 551B32DB.6030707 () gmx ! net
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On 3/31/15 1:05 AM, Michael Paquier wrote:
>
>
> On Tue, Mar 31, 2015 at 9:40 AM, Peter Eisentraut <peter_e@gmx.net
> <mailto:peter_e@gmx.net>> wrote:
>
> On 3/30/15 6:29 PM, Michael Paquier wrote:
> >
> >
> > On Tue, Mar 31, 2015 at 5:39 AM, Peter Eisentraut <peter_e@gmx.net <mailto:peter_e@gmx.net>
> > <mailto:peter_e@gmx.net <mailto:peter_e@gmx.net>>> wrote:
> >
> > On 3/25/15 1:32 AM, Michael Paquier wrote:
> > > Well, I have no other cases than ones of the type mentioned upthread,
> > > and honestly I am fine as long as we do not apply maths to a version
> > > string. So attached is a patch that adds VERSION_NUM in
> > > Makefile.global.
> >
> > How would you make use of this in an extension makefile?
> >
> >
> > One use case is regression test list filtering depending on backend version.
>
> I'm interested in the exact syntax you'd use, to compare it to the
> currently used techniques.
>
>
> With the presence of VERSION_NUM directly in pg_config, the following
> expression:
> VERSION_NUM=$(shell $(PG_CONFIG) --version-num)
My question is, once you have this version number in a variable like
VERSION_NUM, what specifically would you do with it?
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