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Previously, we sorted rules by schema name and then rule name; if that wasn't unique, we sorted by rule OID. This can be problematic for comparing dumps from databases with different histories, especially since certain rule names like "_RETURN" are very common. Let's make the sort key schema name, rule name, table name, which should be unique. (This is the same behavior we've long used for triggers and RLS policies.) Andreas Karlsson This back-patches v18 commit 350e6b8ea86c22c0b95c2e32a4e8d109255b5596 to all supported branches. The next commit will assert that pg_dump provides a stable sort order for all object types. That assertion would fail without stabilizing DO_RULE order as this commit did. Discussion: https://postgr.es/m/b4e468d8-0cd6-42e6-ac8a-1d6afa6e0cf1@proxel.se Discussion: https://postgr.es/m/20250707192654.9e.nmisch@google.com Backpatch-through: 13-17
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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.