Horton

Add isolation tests for UPDATE/DELETE FOR PORTION OF

Peter Eisentraut <peter@eisentraut.org>

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Commit: b6ccd30d8ff6422ad0f79ce2fc801f2437d90664
Author: Peter Eisentraut <peter@eisentraut.org>
Date: 2026-04-07T09:22:11Z
Releases: 19 (unreleased) 
Add isolation tests for UPDATE/DELETE FOR PORTION OF

Add documentation about concurrency issues related to UPDATE/DELETE
FOR PORTION OF as well as supporting isolation tests.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://www.postgresql.org/message-id/flat/ec498c3d-5f2b-48ec-b989-5561c8aa2024%40illuminatedcomputing.com

Files

PathChange+/−
doc/src/sgml/dml.sgml modified +38 −0
doc/src/sgml/images/Makefile modified +2 −1
doc/src/sgml/images/meson.build modified +1 −0
doc/src/sgml/images/temporal-isolation.svg added +47 −0
doc/src/sgml/images/temporal-isolation.txt added +44 −0
src/backend/executor/nodeModifyTable.c modified +4 −0
src/test/isolation/expected/for-portion-of.out added +4089 −0
src/test/isolation/isolation_schedule modified +1 −0
src/test/isolation/specs/for-portion-of.spec added +597 −0

Discussion