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Peter Eisentraut 409543da54 Move pg_int64 back to postgres_ext.h 
Fix for commit 3c86223c99.  That commit moved the typedef of pg_int64
from postgres_ext.h to libpq-fe.h, because the only remaining place
where it might be used is libpq users, and since the type is obsolete,
the intent was to limit its scope.

The problem is that if someone builds an extension against an
older (pre-PG18) server version and a new (PG18) libpq, they might get
two typedefs, depending on include file order.  This is not allowed
under C99, so they might get warnings or errors, depending on the
compiler and options.  The underlying types might also be
different (e.g., long int vs. long long int), which would also lead to
errors.  This scenario is plausible when using the standard Debian
packaging, which provides only the newest libpq but per-major-version
server packages.

The fix is to undo that part of commit 3c86223c99.  That way, the
typedef is in the same header file across versions.  At least, this is
the safest fix doable before PostgreSQL 18 releases.

Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://www.postgresql.org/message-id/25144219-5142-4589-89f8-4e76948b32db%40eisentraut.org
2025-09-16 10:48:44 +02:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Don't put library-supplied -L/-I switches before user-supplied ones. 2025-07-29 15:17:40 -04:00
contrib Put "excludeOnly" GIN scan keys at the end of the scankey array. 2025-08-26 12:08:57 -04:00
doc Hide duplicate names from extension views 2025-09-15 07:30:00 +02:00
src Move pg_int64 back to postgres_ext.h 2025-09-16 10:48:44 +02:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:53 -04:00
.cirrus.tasks.yml ci: Simplify ci-os-only handling 2025-08-14 12:09:53 -04:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:33:44 -04:00
.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 17a5ca58eb to .git-blame-ignore-revs. 2025-09-13 14:58:49 -05:00
.gitattributes Fix git whitespace warning 2025-08-15 10:32:22 +02:00
.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 Stamp 18rc1. 2025-09-01 16:03:08 -04:00
configure.ac Stamp 18rc1. 2025-09-01 16:03:08 -04:00
COPYRIGHT Align organization wording in copyright statement 2025-05-16 11:20:07 -04:00
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 Adapt REL_18_STABLE to its new status as a stable branch 2025-06-29 23:00:00 -04:00
meson.build Stamp 18rc1. 2025-09-01 16:03:08 -04:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
README.md Adapt REL_18_STABLE to its new status as a stable branch 2025-06-29 23:00:00 -04:00

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/18/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/18/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/.