| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Andreas Pflug <pgadmin(at)pse-consulting(dot)de>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: Numeric 508 datatype |
| Date: | 2005-11-17 16:59:43 |
| Message-ID: | 1132246783.4959.150.camel@localhost.localdomain |
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| Lists: | pgsql-general pgsql-hackers pgsql-patches |
On Thu, 2005-11-17 at 11:20 -0500, Tom Lane wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> > However, I don't think we can promise never to change the ondisk
> > representation of data, nor the page layout. Sometimes an inplace
> > upgrade just won't work, ISTM.
>
> We have talked about batching on-disk changes so that they'd only occur
> once every few release cycles. But until we have a pg_upgrade, there is
> no reason to adopt such a policy.
If the patch is accepted technically, in can be applied at any time,
right up to code freeze for this or the next release. It's a fairly
independent patch.
I'd suggest we check it out now, then put it in a holding pen for awhile
to see if an upgrade tool emerges.
Best Regards, Simon Riggs
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