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ALTER POLICY hadn't fully considered partial policy alternation (eg: change just the roles on the policy, or just change one of the expressions) when rebuilding the dependencies. Instead, it would happily remove all dependencies which existed for the policy and then only recreate the dependencies for the objects referred to in the specific ALTER POLICY command. Correct that by extracting and building the dependencies for all objects referenced by the policy, regardless of if they were provided as part of the ALTER POLICY command or were already in place as part of the pre-existing policy.
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.