| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Greg Smith <gsmith(at)gregsmith(dot)com> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Gregory Stark <stark(at)enterprisedb(dot)com>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, Zdenek Kotala <Zdenek(dot)Kotala(at)sun(dot)com>, Greg Stark <greg(dot)stark(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [WIP] In-place upgrade |
| Date: | 2008-11-07 01:43:20 |
| Message-ID: | 18128.1226022200@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Greg Smith <gsmith(at)gregsmith(dot)com> writes:
> On Thu, 6 Nov 2008, Tom Lane wrote:
>> Another thought here is that I don't think we are yet committed to any
>> changes that require extra space between 8.3 and 8.4, are we? The
>> proposed addition of CRC words could be put off to 8.5, for instance.
> I was just staring at that code as you wrote this thinking about the same
> thing. ...
> -Is it worth considering making CRCs an optional compile-time feature, and
> that (for now at least) you couldn't get them and the in-place upgrade at
> the same time?
Hmm ... might be better than not offering them in 8.4 at all, but the
thing is that then you are asking packagers to decide for their
customers which is more important. And I'd bet you anything you want
that in-place upgrade would be their choice.
Also, having such an option would create extra complexity for 8.4-to-8.5
upgrades.
regards, tom lane
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