From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Transaction Snapshot Cloning |
Date: | 2008-01-14 09:34:45 |
Message-ID: | 1200303285.4266.1487.camel@ebony.site |
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Lists: | pgsql-hackers |
On Sat, 2008-01-12 at 16:22 -0500, Tom Lane wrote:
> Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> > ... So if we did this via an installable module approach then we
> > would be able to use it much sooner for upgrading to 8.3, rather than
> > waiting for 8.4
>
> I think it borders on ludicrous to imagine making this work with just an
> installable module and no core-code changes. So no, I refuse to spend
> any time helping to design an implementation for 8.3.
Refuse is a strong word, so apologies if I've offended.
I already know how to write it, the main question was how dangerous is
it and I think we answered that. Misuse seems to be the issue you seem
to be worried about. In the wrong hands it could prove to be a Foot Gun
with a larger than normal kill zone.
Dangerous enough that you actively want me to not write it? Or just
saying you're not sure it can be done?
> It'll be a hard enough problem to make this work for 8.4.
Agreed.
--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com
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