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In commit 6c268df, pg_init_privs was added to track the initial privileges of catalog objects and extensions. Unfortunately, that commit didn't include understanding of ALTER EXTENSION ADD/DROP, which allows the objects associated with an extension to be changed after the initial CREATE EXTENSION script has been run. The result of this meant that ACLs for objects added through ALTER EXTENSION ADD were not recorded into pg_init_privs and we would end up including those ACLs in pg_dump when we shouldn't have. This commit corrects that by making sure to have pg_init_privs updated when ALTER EXTENSION ADD/DROP is run, recording the permissions as they are at ALTER EXTENSION ADD time, and removing any if/when ALTER EXTENSION DROP is called. This issue was pointed out by Moshe Jacobson as commentary on bug #14456 (which was actually a bug about versions prior to 9.6 not handling custom ACLs on extensions correctly, an issue now addressed with pg_init_privs in 9.6). Back-patch to 9.6 where pg_init_privs was introduced.
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/.