Re: abi-compliance-check failure due to recent changes to pg_{clear,restore}_{attribute,relation}_stats()

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, david(at)justatheory(dot)com, Andrew Dunstan <andrew(at)dunslane(dot)net>
Subject: Re: abi-compliance-check failure due to recent changes to pg_{clear,restore}_{attribute,relation}_stats()
Date: 2025-10-17 17:22:19
Message-ID: CAH2-WznLDZQHYj48H6bLSHw=eY9gP1jmB48_Ope=mPkzNH5DSQ@mail.gmail.com
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On Fri, Oct 17, 2025 at 1:15 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I don't have a problem with the change you made. I do have a problem
> with baza having spun up this check before we settled on a way to
> manage it.

+1.

> AFAIK we don't have any process by which we can decide
> that a reported ABI change is acceptable and then clear the failure.
> There was some discussion of how to control it [1], but nothing's been
> done yet.

The fact that this is now causing problems was entirely predictable
(and was in fact predicted). Having a way to suppress individual
warnings that are deemed to be invalid is 100% essential if we're
detecting ABI changes on a buildfarm animal like this.

--
Peter Geoghegan

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