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From: Dominique Devienne <[email protected]>
To: [email protected]
Subject: Test cluster with high OIDs above the signed-int limit (2B+)
Date: Mon, 20 Apr 2026 11:44:46 +0200
Message-ID: <CAFCRh--J4F0hFm_+x4rwW5eLEZnz_fNcp05Q1whO4YoKnQgJpg@mail.gmail.com> (raw)

Hi. A few weeks ago, one of our clusters, with high DDL churn from
UTs, crossed the 2B mark for OIDs, which exposed a bug in our code.
I'm moving into creating clusters on-the-fly for testing, and would
like to force that situation to avoid a future silent regression,
since it takes a long time to cross that threshold, and we do move up
in major versions, so the over-the-threshold cluster will be
abandoned. How can I achieve that? A quick AI query yielded nothing,
but this is unusual enough that there's little to no material to have
good answers. Can PostgreSQL experts/hackers weigh in on this please?
If not possible now, can this be supported in the future please? --DD

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