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DROP OWNED BY has a specific code path to remove ACLs stored in pg_default_acl when cleaning up shared dependencies that had no coverage with the existing tests. This issue has been found while digging into the bug fixed by 21378e1. As ALTER DEFAULT PRIVILEGES impacts the ACLs of all objects created while the default permissions are visible, the test uses a transaction rollback to isolate the test and avoid any impact with other sessions running in parallel. Reviewed-by: Álvaro Herrera Discussion: https://postgr.es/m/YAbQ1OD+3ip4lRv8@paquier.xyz
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/.