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REPACK (CONCURRENTLY) is not an MVCC-safe operation; it doesn't preserve the visibility information, which logical decoding needs because it reads user catalog tables under a historic snapshot. Disallow REPACK (CONCURRENTLY) on user catalog tables. Removing this check requires making it MVCC-safe and logical rewrite mappings. Backpatch to v19, where REPACK (CONCURRENTLY) was introduced. Reported-by: Nathan Bossart <nathandbossart@gmail.com> Author: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com> Reviewed-by: Antonin Houska <ah@cybertec.at> Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com> Reviewed-by: Alvaro Herrera <alvherre@kurilemu.de> Discussion: https://postgr.es/m/apBIFWzHYOaG0auN%40nathan Backpatch-through: 19
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/19/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/19/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/.