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Álvaro Herrera cd7b204b2d
Disallow direct use of the pgrepack logical decoding plugin
Nothing is to be gained from using pgrepack outside of REPACK
(CONCURRENTLY), and it leads to assertion failures in assertion-enabled
builds, and to crashes due to bogus memory lifetime in production
builds.  Reject attempts to do that with a clean error report.

Clean up the nearby code a tad while at it.  The only functional changes
in that are that the output_writer_private context is allocated and
partially filled by the pgrepack output plugin; and that ->relid therein
is now always present (rather than only in assertion-enabled builds).
Other than that it's just minor code rearrangement and added comments.

Author: Álvaro Herrera <alvherre@kurilemu.de>
Reported-by: Nikita Kalinin <n.kalinin@postgrespro.ru>
Suggested-by: Zhijie Hou <houzj.fnst@fujitsu.com>
Reviewed-by: Antonin Houska <ah@cybertec.at> (older version)
Reviewed-by: Srinath Reddy Sadipiralla <srinath2133@gmail.com> (older version)
Discussion: https://postgr.es/m/19500-38a02529a69353a5@postgresql.org
2026-06-09 20:12:55 +02:00
.github ci: Improve ccache handling 2026-06-08 15:26:47 -04:00
config Update config.guess and config.sub 2026-04-09 11:26:14 +02:00
contrib Disallow direct use of the pgrepack logical decoding plugin 2026-06-09 20:12:55 +02:00
doc doc: Expand on proper use of refint. 2026-06-08 10:33:52 -05:00
src Disallow direct use of the pgrepack logical decoding plugin 2026-06-09 20:12:55 +02:00
.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 previous commit to .git-blame-ignore-revs. 2026-06-04 10:16:21 -05:00
.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 Stamp 19beta1. 2026-06-01 16:02:13 -04:00
configure.ac Stamp 19beta1. 2026-06-01 16:02:13 -04:00
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 Stamp 19beta1. 2026-06-01 16:02:13 -04:00
meson_options.txt Revert "Add built-in fuzzing harnesses for security testing." 2026-04-10 09:53:58 -04:00
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/.