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
2026-06-08 15:26:47 -04:00
2026-04-09 11:26:14 +02:00
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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/.

S
Description
Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
Readme 850 MiB
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