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Peter Eisentraut 17f446784d Refactor static_assert() support.
HAVE__STATIC_ASSERT was really a test for GCC statement expressions,
as needed for StaticAssertExpr() now that _Static_assert could be
assumed to be available through our C11 requirement.  This
artificially prevented Visual Studio from being able to use
static_assert() in other contexts.

Instead, make a new test for HAVE_STATEMENT_EXPRESSIONS, and use that
to control only whether StaticAssertExpr() uses fallback code, not the
other variants.  This improves the quality of failure messages in the
(much more common) other variants under Visual Studio.

Also get rid of the two separate implementations for C++, since the C
implementation is also also valid as C++11.  While it is a stretch to
apply HAVE_STATEMENT_EXPRESSIONS tested with $CC to a C++ compiler,
the previous C++ coding assumed that the C++ compiler had them
unconditionally, so it isn't a new stretch.  In practice, the C and
C++ compilers are very likely to agree, and if a combination is ever
reported that falsifies this assumption we can always reconsider that.

Author: Thomas Munro <thomas.munro@gmail.com>
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://postgr.es/m/CA%2BhUKGKvr0x_oGmQTUkx%3DODgSksT2EtgCA6LmGx_jQFG%3DsDUpg%40mail.gmail.com
2025-12-15 11:54:23 +01:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Refactor static_assert() support. 2025-12-15 11:54:23 +01:00
contrib pageinspect: use index_close() for GiST index relation 2025-12-15 10:28:28 +09:00
doc Add retry logic to pg_sync_replication_slots(). 2025-12-15 02:50:21 +00:00
src Refactor static_assert() support. 2025-12-15 11:54:23 +01:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml headerscheck ccache support 2025-12-04 11:23:23 +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 86b276a4a9 to .git-blame-ignore-revs. 2025-12-05 14:21:12 -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 Refactor static_assert() support. 2025-12-15 11:54:23 +01:00
configure.ac Refactor static_assert() support. 2025-12-15 11:54:23 +01:00
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 Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build Refactor static_assert() support. 2025-12-15 11:54:23 +01:00
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

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/.