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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dimitri Fontaine <dimitri@2ndQuadrant.fr>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Simon Riggs <simon@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: proposal: ANSI SQL 2011 syntax for named parameters
Date: Thu, 07 Feb 2013 12:06:30 -0500
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Dimitri Fontaine <dimitri@2ndQuadrant.fr> writes:
> Robert Haas <robertmhaas@gmail.com> writes:
>> I don't know what to add to that.

> There's no technical reason that I'm aware of for hstore 1.1 not to
> support all our maintained releases at the same time. That's exactly how
> we do it with non-core extensions, by the way.

If you're suggesting that we should back-patch hstore 1.1 into 9.1,
there might not be a technical reason why we couldn't do it, but there
are certainly project-policy reasons.  Removing operators, or indeed
changing any SQL interface at all, is exactly the kind of change we do
not make in back branches.

> To make that easier to maintain, there's a patch in the queue
> implementing default_major_version so that we can ship hstore--1.0.sql
> and hstore--1.0--1.1.sql and still have that command just works:
>   CREATE EXTENSION hstore VERSION '1.1';

If the argument for this patch is only to support doing something like
the above, I'd vote for rejecting it entirely.

			regards, tom lane


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