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Tom Lane ca1f1ade3f Remove read_archive_file()'s "count" parameter. 
Instead, always try to fill the allocated buffer completely.
The previous coding apparently intended (though it's undocumented)
to read only small amounts of data until we are able to identify the
WAL segment size and begin filtering out unwanted segments.  However
this extra complication has no measurable value according to simple
testing here, and it could easily be a net loss if there is a
substantial amount of non-WAL data in the archive file before the
first WAL file.

Discussion: https://postgr.es/m/3341199.1774221191@sss.pgh.pa.us
2026-03-24 12:17:12 -04:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Hardcode override of typeof_unqual for clang-for-bitcode 2026-03-16 19:24:49 +01:00
contrib Don't include storage/lock.h in so many headers 2026-03-24 17:11:12 +01:00
doc Add support for lock statistics in pgstats 2026-03-24 15:32:09 +09:00
src Remove read_archive_file()'s "count" parameter. 2026-03-24 12:17:12 -04:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml ci: Run headerscheck and cpluspluscheck in parallel 2026-03-23 08:40:29 +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 015d32016d to .git-blame-ignore-revs. 2026-03-19 13:45:07 +09:00
.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 Enable -Wstrict-prototypes and -Wold-style-definition by default 2026-03-18 14:31:50 +01:00
configure.ac Enable -Wstrict-prototypes and -Wold-style-definition by default 2026-03-18 14:31:50 +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 Enable -Wstrict-prototypes and -Wold-style-definition by default 2026-03-18 14:31:50 +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/.