On Mon, Sep 15, 2014 at 03:42:20PM -0700, Peter Geoghegan wrote:
> On Mon, Sep 15, 2014 at 12:45 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> > No. And we don't know how to change the default opclass without
> > breaking things, either.
>
> Is there a page on the Wiki along the lines of "things that we would
> like to change if ever there is a substantial change in on-disk format
> that will break pg_upgrade"? ISTM that we should be intelligently
> saving those some place, just as Redhat presumably save up
> ABI-breakage over many years for the next major release of RHEL.
> Alexander's complaint is a good example of such a change, IMV. Isn't
> it more or less expected that the day will come when we'll make a
> clean break?
It is on the TODO page under pg_upgrade:
Desired changes that would prevent upgrades with pg_upgrade
--
Bruce Momjian <br...@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ Everyone has their own god. +
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