Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables

From: Tender Wang <tndrwang(at)gmail(dot)com>
To: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
Cc: Andrei Lepikhov <lepihov(at)gmail(dot)com>, Kirill Reshke <reshkekirill(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, ammmkilo(at)163(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables
Date: 2026-03-19 01:11:10
Message-ID: CAHewXNn0UqaX5xgP78MF2UsOeY+0iBHcCN8YWUMAf+s37NW4HQ@mail.gmail.com
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Alexander Korotkov <aekorotkov(at)gmail(dot)com> 于2026年3月18日周三 22:38写道:
>
> On Wed, Mar 18, 2026 at 3:31 PM Andrei Lepikhov <lepihov(at)gmail(dot)com> wrote:
> > On 18/3/26 13:21, Alexander Korotkov wrote:
> > > On Wed, Mar 18, 2026 at 2:18 PM Andrei Lepikhov <lepihov(at)gmail(dot)com> wrote:
> > >> What is the reason for the second change? Tender, can you show us how to
> > >> reproduce the issue so we can support your update to
> > >> restrict_infos_logically_equal? If we include it, we should add a test.
> > >
> > > I think Tender already shown this in [1]. The same qual is present
> > > twice in the plan.
> > Got it. I suggest making this a separate commit to keep the history
> > clear. Let me share a draft with a test case for the bug fix first.
>
> Yes, I was also thinking about splitting this into two distinct
> commit. The patch you've attached looks good for me. I'm going to
> push and backpatch it if no objections. And let's continue the
> investigation on restrict_infos_logically_equal().

Agree.
And the patch seems to have forgotten to add "Reported by".

--
Thanks,
Tender Wang

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