pgsql: Fix DELETE/UPDATE FOR PORTION OF with rules

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Fix DELETE/UPDATE FOR PORTION OF with rules
Date: 2026-04-27 08:46:10
Message-ID: E1wHHbV-0032Hz-1w@gemulon.postgresql.org
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Fix DELETE/UPDATE FOR PORTION OF with rules

Previously, these test cases would give internal errors or crash. The
fix is to add some missing fields of ForPortionOfExpr to
expression_tree_walker.

Author: jian he <jian(dot)universality(at)gmail(dot)com>
Reviewed-by: Kirill Reshke <reshkekirill(at)gmail(dot)com>
Reviewed-by: Paul A Jungwirth <pj(at)illuminatedcomputing(dot)com>
Discussion: https://postgr.es/m/CACJufxHs1Hs00EqsZ4NbuAjmYzMzjJyP1sAj12Ne=cBsEVmQOA@mail.gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/33db6c4baf17e0fdf2ac08f7d050155985c0d7e3

Modified Files
--------------
src/backend/nodes/nodeFuncs.c | 4 ++
src/test/regress/expected/for_portion_of.out | 55 ++++++++++++++++++++++++++++
src/test/regress/sql/for_portion_of.sql | 33 +++++++++++++++++
3 files changed, 92 insertions(+)

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