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Heikki Linnakangas 85d799ba8a docs: Update phrase on message lengths in the protocol 
The reasoning for why all the message formats are parseable without
the explicit message length field is anachronistic; the real reason is
that protocol version 2 did not have a message length field. There's
nothing wrong with relying on the message length, like we do in the
CopyData messags, even though it often still makes sense to have
length fields for individual parts in messages.

Discussion: https://www.postgresql.org/message-id/02a4eed2-98f0-4796-9d4f-12128ff44fe0@iki.fi
2025-04-02 15:32:33 +03:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Optimize popcount functions with ARM SVE intrinsics. 2025-03-28 16:20:20 -05:00
contrib read_stream: Introduce and use optional batchmode support 2025-03-30 18:36:41 -04:00
doc docs: Update phrase on message lengths in the protocol 2025-04-02 15:32:33 +03:00
src tests: Fix incompatibility of test_aio with *_FORCE_RELEASE 2025-04-02 07:57:11 -04:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml aio: Add io_method=io_uring 2025-03-26 19:49:13 -04:00
.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
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.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 Fix detection and handling of strchrnul() for macOS 15.4. 2025-04-01 16:50:09 -04:00
configure.ac Fix detection and handling of strchrnul() for macOS 15.4. 2025-04-01 16:50:09 -04:00
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 Fix detection and handling of strchrnul() for macOS 15.4. 2025-04-01 16:50:09 -04:00
meson_options.txt aio: Add liburing dependency 2025-03-26 19:45:32 -04:00
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/.