| From: | Peter Eisentraut <peter(at)eisentraut(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Fix cross-leftover pollution in FOR PORTION OF insert triggers |
| Date: | 2026-06-04 09:17:40 |
| Message-ID: | E1wV4Cq-0011B2-1W@gemulon.postgresql.org |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers |
Fix cross-leftover pollution in FOR PORTION OF insert triggers
When we insert temporal leftovers after an UPDATE FOR PORTION OF, we
must make a new copy of the tuple before each insert. Otherwise, if
an insert trigger assigns to attributes of NEW, the second leftover
sees those changes.
Author: Sergei Patiakin <sergei(dot)patiakin(at)enterprisedb(dot)com>
Reviewed-by: Paul A Jungwirth <pj(at)illuminatedcomputing(dot)com>
Discussion: https://www.postgresql.org/message-id/flat/CANE55rCqcse_pwXBMWhbj3_7XROb8Dks6%3DOLFmKy3bO3zDsCsg%40mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/993a7aa0e4af0922ac86d8914e0e78fc38fb0daf
Modified Files
--------------
src/backend/executor/nodeModifyTable.c | 12 +++++++++
src/test/regress/expected/for_portion_of.out | 38 ++++++++++++++++++++++++++++
src/test/regress/sql/for_portion_of.sql | 38 ++++++++++++++++++++++++++++
3 files changed, 88 insertions(+)
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