| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Chapman Flack <chap(at)anastigmatix(dot)net> |
| Subject: | Re: dfmgr additional ABI version fields |
| Date: | 2021-11-19 14:59:17 |
| Message-ID: | 3042924.1637333957@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> writes:
>> On Wed, Oct 13, 2021 at 12:50:38PM -0400, Robert Haas wrote:
>>> Would it be reasonable to consider something similar for the control
>>> file, for the benefit of distributions that are not the same on disk?
> The catalog version already serves this purpose.
We already have fields in pg_control for that, and fields to check
endianness, maxalign, etc, ie the things that matter for data storage.
Perhaps there is a need for more such fields, but I don't see that
extension ABI questions are directly related.
regards, tom lane
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