| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter(at)eisentraut(dot)org> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David E(dot) Wheeler" <david(at)justatheory(dot)com>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Marco Slot <marco(dot)slot(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Christoph Berg <myon(at)debian(dot)org>, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com> |
| Subject: | Re: Potential ABI breakage in upcoming minor releases |
| Date: | 2024-12-04 21:00:56 |
| Message-ID: | 20241204210056.df.nmisch@google.com |
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| Lists: | pgsql-hackers |
On Wed, Dec 04, 2024 at 08:29:57PM +0100, Peter Eisentraut wrote:
> On 29.11.24 21:39, Noah Misch wrote:
> > > I remembered where that's documented:
> > >
> > > https://wiki.postgresql.org/wiki/Committing_checklist#Maintaining_ABI_compatibility_while_backpatching
> > I'd say the source tree's <sect2 id="xfunc-api-abi-stability-guidance">, which
> > David Wheeler mentioned, is authoritative. It currently matches
> > postgr.es/c/e54a42a. Let's update both or change that wiki heading to point
> > to the authoritative doc section.
I hereby revoke the last sentence and replace it with "Let's update both in
some way." The revoked sentence and its replacement are probably the least
important thing I wrote in that mail.
> I don't know if this proposing to merge the text in the wiki into the docs?
The revoked proposal wasn't that specific. 1576843(dot)1732586210(at)sss(dot)pgh(dot)pa(dot)us
offered some wiki changes mostly about struct fields. Doc section
xfunc-api-abi-stability-guidance also writes about struct fields.
Specifically, it discusses "squeezing a new field into padding space or
appending it to the end of a struct". If we change the wiki about struct
fields, we should not leave that quote unchanged. I no longer wish to affect
how we allocate text to the wiki vs. xfunc-api-abi-stability-guidance.
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