Re: pgsql: Invalidate RI fast-path metadata on operator family changes - Mailing list pgsql-committers

From Amit Langote
Subject Re: pgsql: Invalidate RI fast-path metadata on operator family changes
Date
Msg-id CA+HiwqEGMLYUaUjXO6sGB1Xf2XUaj6aGtBaiZxW1TjZDS-z-3Q@mail.gmail.com
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In response to Re: pgsql: Invalidate RI fast-path metadata on operator family changes  (Amit Langote <amitlangote09@gmail.com>)
List pgsql-committers
On Sun, Sep 20, 2026 at 14:20 Amit Langote <amitlangote09@gmail.com> wrote:
On Sun, Sep 20, 2026 at 1:20 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Amit Langote <amitlangote09@gmail.com> writes:
> > Added pgsql-release. For context: the change is regression-test-only.
> > It wraps the operator-family test added by c62b330912e in a
> > rolled-back transaction so the family is never visible to concurrently
> > running tests, which has been causing intermittent plan-shape failures
> > in window.sql and equivclass.sql on several buildfarm animals (six in
> > the last ~24h as Tom noted).
> > Patch I would like to push is attached.  I'd like concurrence to push
> > it to REL_19_STABLE during the freeze.
>
> To add to that: we've got about 40 hours before the 19beta4 wrap.
> Given that these buildfarm failures are intermittent, that's already
> not enough time to be 100% sure that the patch fixes them --- I think
> it will, but perhaps not.  However, the worst-case outcome is that
> this makes things visibly worse, in which case we could revert it
> sometime Monday and be no worse off than we are now.  So my vote is
> to go ahead, and not be too slow about that.

OK, I've pushed to both master and 19.

16 hours in and no new reds so far, so the fix seems to have worked.

- Amit

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