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Michael Paquier 3631612eae psql: Fix assertion failures with pipeline mode 
A correct cocktail of COPY FROM, SELECT and/or DML queries and
\syncpipeline was able to break the logic in charge of discarding
results of a pipeline, done in discardAbortedPipelineResults().  Such
sequence make the backend generate a FATAL, due to a protocol
synchronization loss.

This problem comes down to the fact that we did not consider the case of
libpq returning a PGRES_FATAL_ERROR when discarding the results of an
aborted pipeline.  The discarding code is changed so as this result
status is handled as a special case, with the caller of
discardAbortedPipelineResults() being responsible for consuming the
result.

A couple of tests are added to cover the problems reported, bringing an
interesting gain in coverage as there were no tests in the tree covering
the case of protocol synchronization loss.

Issue introduced by 41625ab8ea.

Reported-by: Alexander Kozhemyakin <a.kozhemyakin@postgrespro.ru>
Author: Anthonin Bonnefoy <anthonin.bonnefoy@datadoghq.com>
Co-authored-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/ebf6ce77-b180-4d6b-8eab-71f641499ddf@postgrespro.ru
2025-04-24 12:22:53 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Update config.guess and config.sub 2025-04-09 12:41:54 +02:00
contrib Fix a few duplicate words in comments 2025-04-21 10:41:18 +12:00
doc doc: Mention naming convention used by injection points 2025-04-22 12:41:29 +09:00
src psql: Fix assertion failures with pipeline mode 2025-04-24 12:22:53 +09:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml ci: Check for missing dependencies in meson builds 2025-04-09 22:01:58 +02:00
.cirrus.yml ci: Test NetBSD and OpenBSD 2025-02-12 09:40:07 -05:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add script to keep .editorconfig in sync with .gitattributes 2025-02-01 10:09:45 +01:00
.git-blame-ignore-revs Add commit e1a8b1ad58 to .git-blame-ignore-revs. 2025-04-04 09:41:59 -05:00
.gitattributes Add script to keep .editorconfig in sync with .gitattributes 2025-02-01 10:09:45 +01:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
.mailmap Add a Git .mailmap file 2024-11-05 13:56:02 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
configure.ac Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
COPYRIGHT Update copyright for 2025 2025-01-01 11:21:55 -05:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00

README.md

PostgreSQL Database Management System

This directory contains the source code distribution of the PostgreSQL database management system.

PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.

The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.