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RI_Initial_Check was setting up a list of RTEPermissionInfo for ExecCheckPermissions() wrong, and the problem is subtle enough that it doesn't have any immediate effect in core code. However, if an extension is using the ExecutorCheckPerms_hook, then it would get the wrong parameters and perhaps arrive at a wrong conclusion, or outright malfunction. Fix by constructing that list and the RTE list more honestly. We also add an assertion check to verify that these lists match. This new assertion would have caught this bug. Co-authored-by: Олег Целебровский (Oleg Tselebrovskii) <o.tselebrovskiy@postgrespro.ru> Co-authored-by: Álvaro Herrera <alvherre@alvh.no-ip.org> Reviewed-by: Amit Langote <amitlangote09@gmail.com> Discussion: https://postgr.es/m/3722b7a2cbe27a1796ee40824bd86dd1@postgrespro.ru
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/.