Horton

Re: dfmgr additional ABI version fields

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Cc: Michael Paquier <michael@paquier.xyz>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Andres Freund <andres@anarazel.de>, Chapman Flack <chap@anastigmatix.net>
Date: 2021-11-19T14:59:17Z
Lists: pgsql-hackers 
Peter Eisentraut <peter.eisentraut@enterprisedb.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

Commits

  1. Add ABI extra field to fmgr magic block