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help / color / mirror / Atom feedFrom: Tom Lane <tgl@sss.pgh.pa.us>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Andrei Lepikhov <lepihov@gmail.com>
Cc: Kirill Reshke <reshkekirill@gmail.com>
Cc: Tender Wang <tndrwang@gmail.com>
Cc: Fujii Masao <masao.fujii@gmail.com>
Cc: ammmkilo@163.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables
Date: Mon, 23 Mar 2026 17:34:31 -0400
Message-ID: <3697913.1774301671@sss.pgh.pa.us> (raw)
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References: <19435-3cc1a87f291129f1@postgresql.org>
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Alexander Korotkov <aekorotkov@gmail.com> writes:
> Please, consider my additions to the comment. They explain why we use
> ChangeVarNodes_walker() instead of expression_tree_walker(), and gives
> a bit more details about difference in processing of top-level Query
> and subquery.
I'm fine with this, although in
+ * ... We invoke ChangeVarNodes_walker directly rather than
+ * expression_tree_walker
I would write "rather than via expression_tree_walker".
regards, tom lane
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Subject: Re: BUG #19435: Error: "No relation entry for relid 2" Triggered by Complex Join with Self-Referencing Tables
In-Reply-To: <3697913.1774301671@sss.pgh.pa.us>
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