> On 25 Oct 2023, at 13:39, Smolkin Grigory <smallk...@gmail.com> wrote:
>
> We are running PG13.10 and recently we have encountered what appears to be a
> bug due to some race condition between ALTER TABLE ... ADD CONSTRAINT and
> some other catalog-writer, possibly ANALYZ
> I've tried to reproduce this scenario with CREATE INDEX and various
> concurrent statements, but no luck.
Maybe it would be possible to reproduce with modifying tests for concurrent
index creation. For example add “ANALYZE” here [0].
Keep in mind that for easier reproduction it would make sense to increase
transaction count radically.
Best regards, Andrey Borodin.
[0]
https://github.com/postgres/postgres/blob/master/contrib/amcheck/t/002_cic.pl#L34
