Re: SQL:2011 application time

From: Paul Jungwirth <pj(at)illuminatedcomputing(dot)com>
To: Peter Eisentraut <peter(at)eisentraut(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, jian he <jian(dot)universality(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, vignesh C <vignesh21(at)gmail(dot)com>
Subject: Re: SQL:2011 application time
Date: 2025-02-12 17:14:10
Message-ID: 28522855-4fcb-4309-8a81-6765a30a24fa@illuminatedcomputing.com
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On 2/12/25 07:23, Peter Eisentraut wrote:
> I committed your patch on Sunday, and now it's about 72 hours later.
>
> I've been observing this on cfbot for some time.  Before the patch, you could go to cfbot at any
> time and find between 5 and 10 test failures from this problem.  And now there are none.  So I'm
> calling provisional success on this.

That's great! It's sort of unsatisfying though---and unnerving. I wish when the test failed we knew
what the oids were for the RESTRICT constraint and the just-dropped NO ACTION constraint. (There's
no way to get that after the fact, is there?) I probably won't keep putting time into this, but it
seems like there must still be a hard-to-hit bug in the code for caching query plans. Since the
behavior disappeared, it is more evidence that that's where the real problem lies.

Yours,

--
Paul ~{:-)
pj(at)illuminatedcomputing(dot)com

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