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Peter Eisentraut f2d7570cdd Reduce the scope of volatile qualifiers 
Commit c66a7d75e6 introduced a new "cast discards ‘volatile’"
warning (-Wcast-qual) in vac_truncate_clog().

Instead of making use of unvolatize(), remove the warning by reducing the
scope of the volatile qualifier (added in commit 2d2e40e3be) to only
2 fields.

Also do the same for vac_update_datfrozenxid(), since the intent of
commit f65ab862e3 was to prevent the same kind of race condition that
commit 2d2e40e3be was fixing.

Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Suggested-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Nathan Bossart <nathandbossart@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/aZ3a%2BV82uSfEjDmD%40ip-10-97-1-34.eu-west-3.compute.internal
2026-03-03 10:02:28 +01:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Support using copyObject in standard C++ 2026-03-02 11:48:13 +01:00
contrib Fix local-variable shadowing in pg_trgm's printSourceNFA(). 2026-03-02 14:40:29 -05:00
doc Add COPY (on_error set_null) option 2026-03-03 07:37:12 +01:00
src Reduce the scope of volatile qualifiers 2026-03-03 10:02:28 +01:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml meson: allow disabling building/installation of static libraries. 2026-02-23 16:45:40 +01:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:54:03 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.git-blame-ignore-revs Add commit 7b24959434 to .git-blame-ignore-revs. 2026-03-02 13:23:28 -06:00
.gitattributes Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.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 Support using copyObject in standard C++ 2026-03-02 11:48:13 +01:00
configure.ac Support using copyObject in standard C++ 2026-03-02 11:48:13 +01:00
COPYRIGHT Update copyright for 2026 2026-01-01 13:24:10 -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 Restore AIX support. 2026-02-23 13:34:22 -05:00
meson.build Support using copyObject in standard C++ 2026-03-02 11:48:13 +01:00
meson_options.txt Update copyright for 2026 2026-01-01 13:24:10 -05:00
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/.