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Re: [HACKERS] how solve diff of API counstruct_md_array between

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-patches(at)postgresql(dot)org, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, Joe Conway <mail(at)joeconway(dot)com>, Pavel Stehule <pavel(dot)stehule(at)hotmail(dot)com>
Subject: Re: [HACKERS] how solve diff of API counstruct_md_array between
Date: 2006-02-28 17:30:46
Message-ID: 16386.1141147846@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Bruce Momjian wrote:
>> OK, updated version of the patch attached and applied.

> I still object to this.  What is wrong with using the catalog version 
> number?

It's partially redundant, but only partially, and I agree that it'll
probably be easier for people to use than the catversion number.

The case where it's not redundant would be if an add-on needs to deal
with an internal API change made in a sub-release, e.g. 8.1.4, where
the catversion number is not going to change.  We've certainly done that
before and will do so again, when there's no other way to fix a bug.

			regards, tom lane

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