From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | David Fetter <david(at)fetter(dot)org> |
Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Alpha releases: How to tag |
Date: | 2009-08-03 15:32:48 |
Message-ID: | 17429.1249313568@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
David Fetter <david(at)fetter(dot)org> writes:
> On Mon, Aug 03, 2009 at 10:44:32AM -0400, Tom Lane wrote:
>> and it doesn't scale to consider the possibility that we might want
>> to re-release an alpha after fixing some particularly evil bug. A
>> tag without a branch won't handle that either.
> Is this a use case? I truly hope nobody will try using a beta, let
> alone an alpha, in production. Do we need to provide for such a
> possibility? I don't recall that we've ever back-patched a beta, or
> even a release candidate.
I don't really know if it's a use-case or not; I just have a feeling
that if we use a release procedure that guarantees we can't do it,
we'll live to regret that.
The bug-fixing situation for betas and RCs is a bit different because
it's expected that there will be a compatible update available shortly.
So you can usually assume that updating to the next beta/RC/release will
fix whatever problems got found. Alphas are going to be out there on
their own with absolutely no expectation that the next alpha is
catversion-compatible. And I doubt we'd bother generating pg_migrator
builds that work for pairs of alpha releases.
I agree with you that it'd be insane to run anything mission-critical on
an alpha build; but I could see someone having loaded up quite a lot of
test data on one. (If we aren't hoping for some pretty serious testing
of these releases, I am not sure what is the point of doing them at all.)
So it seems to me that having the ability to fix show-stopper bugs
without forcing a migration to a later alpha would be a good thing.
Maybe we'll never need it, or maybe we will.
regards, tom lane
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