| From: | Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Michail Nikolaev <michail(dot)nikolaev(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: BUG: Postgres 14 + vacuum_defer_cleanup_age + FOR UPDATE + UPDATE |
| Date: | 2023-01-10 03:24:33 |
| Message-ID: | C08E56F1-B226-4306-9C66-303D4A3D0B23@enterprisedb.com |
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| Lists: | pgsql-hackers |
> On Jan 9, 2023, at 2:07 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> The tests encounter the issue today. If you add
> Assert(TransactionIdIsValid(ctx->next_xid));
> Assert(FullTransactionIdIsValid(ctx->next_fxid));
> early in FullTransactionIdFromXidAndCtx() it'll be hit in the
> amcheck/pg_amcheck tests.
Ok, I can confirm that. I find the assertion
Assert(epoch != (uint32)-1);
a bit simpler to reason about, but either way, I agree it is a bug. Thanks for finding this.
—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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