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This option is normally false, but can be set to true to obtain the legacy behavior where the subscription runs with the permissions of the subscription owner rather than the permissions of the table owner. The advantages of this mode are (1) it doesn't require that the subscription owner have permission to SET ROLE to each table owner and (2) since no role switching occurs, the SECURITY_RESTRICTED_OPERATION restrictions do not apply. On the downside, it allows any table owner to easily usurp the privileges of the subscription owner - basically, to take over their account. Because that's generally quite undesirable, we don't make this mode the default, but we do make it available, just in case the new behavior causes too many problems for someone. Discussion: http://postgr.es/m/CA+TgmoZ-WEeG6Z14AfH7KhmpX2eFh+tZ0z+vf0=eMDdbda269g@mail.gmail.com
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/.