Re: [HACKERS] [PATCH] Provide 8-byte transaction IDs to user level

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Darcy Buskermolen <darcyb(at)commandprompt(dot)com>
Cc: pgsql-patches(at)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>, Marko Kreen <markokr(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Jan Wieck <JanWieck(at)yahoo(dot)com>
Subject: Re: [HACKERS] [PATCH] Provide 8-byte transaction IDs to user level
Date: 2006-07-26 21:03:23
Message-ID: 18071.1153947803@sss.pgh.pa.us
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Darcy Buskermolen <darcyb(at)commandprompt(dot)com> writes:
>> The question though is if we did that, would Slony actually use it?

> If it made sence to do it, then yes we would do it. The problem ends up being
> Slony is designed to work across a multitude of versions of PG, and unless
> this was backported to at least 7.4, it would take a while (ie when we
> stopped supporting versions older than it was ported into) before we would
> make use of it.

[ shrug... ] That's not happening; for one thing the change requires a
layout change in pg_control and we have no mechanism to do that without
initdb.

regards, tom lane

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