Message-ID: <5a039d60-d13b-4cf0-a807-9c7269f06831@gmail.com>
Date: Thu, 19 Mar 2026 08:18:03 +0100
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Subject: Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by
 Complex Join with Self-Referencing Tables
To: Kirill Reshke <reshkekirill@gmail.com>
Cc: Alexander Korotkov <aekorotkov@gmail.com>,
 Tender Wang <tndrwang@gmail.com>, Fujii Masao <masao.fujii@gmail.com>,
 ammmkilo@163.com, pgsql-bugs@lists.postgresql.org
References: <19435-3cc1a87f291129f1@postgresql.org>
 <CAHGQGwEEHFnH8DsZbwxdZeiHozm2LCRTLSgL8Qn=5MoN4450ZA@mail.gmail.com>
 <CAPpHfdsDQhDqvqi+-UxvyYRP72ASkdWzCn43e2Hj6WsY15opvA@mail.gmail.com>
 <CAHewXNmU3E0oXLgvoOtXw7kfTiAZsKu8La_hQ=pyScgxvP45iw@mail.gmail.com>
 <CAHewXN=LjuWz3PcyhjdbJAyo+Zs9MisPDRYnSZBUy4PMeKi+zA@mail.gmail.com>
 <CALdSSPj1kTTQvmV3H3HMf5P3um8ybxoH3DaTPm+XgdYAur1Q4A@mail.gmail.com>
 <CAHewXNndByMu3S+_h4LLDkXA5qrO1s=s-CE8HqUtc9vTA9yrjg@mail.gmail.com>
 <CAPpHfdv6gzSTXHJxYSgB8sULadXM4wvhgoQODaOxYCJfagKNPw@mail.gmail.com>
 <CAHewXN=7kDJjUcgEm+6qhaKOXuqzvhRqAAKdafNCRgn0yH7BGg@mail.gmail.com>
 <CAHewXNm5OOREJ8wZ1cLJdQz7O1aQ0E1RBB55S6O138K8vBdc9g@mail.gmail.com>
 <CAPpHfducqLJ=o3LkoPKGfZJVQuuei+P=2oUF6hX6rzHTZSxoyA@mail.gmail.com>
 <a78fe5d4-e6b8-4b3c-9cfd-135edbb68e4c@gmail.com>
 <CAPpHfduTWFCHaK8U7bDfYid5pjVA=FHG1b0nTEMFqFKHebGJxQ@mail.gmail.com>
 <a498f5b8-2f17-4ee0-b021-63ff9829b45b@gmail.com>
 <CALdSSPhpUdY7-5Zg38oS1uRtu5iTFzdo0R7Z2YZD603M9RpJxg@mail.gmail.com>
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From: Andrei Lepikhov <lepihov@gmail.com>
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On 18/3/26 18:55, Kirill Reshke wrote:
> On Wed, 18 Mar 2026 at 18:31, Andrei Lepikhov <lepihov@gmail.com> wrote:
>>
>> On 18/3/26 13:21, Alexander Korotkov wrote:
>>> On Wed, Mar 18, 2026 at 2:18 PM Andrei Lepikhov <lepihov@gmail.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.
> Hi!
> Is `cool_bool` a typo of `col_bool` in regression test ?

This is actually a happy coincidence, not a typo. We made this mistake 
during initial development because I didn't realise that a boolean 
operation on a bool variable is never wrapped in an expression 
structure. It's a 'cool' example that shows a rare edge case.

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

Yeah, let the committer manage the award part.

-- 
regards, Andrei Lepikhov,
pgEdge