Peter Eisentraut <peter.eisentr...@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