A commonly requested use-case is to have a role who can run an unfettered pg_dump without having to explicitly GRANT that user access to all tables, schemas, et al, without that role being a superuser. This address that by adding a "pg_read_all_data" role which implicitly gives any member of this role SELECT rights on all tables, views and sequences, and USAGE rights on all schemas. As there may be cases where it's also useful to have a role who has write access to all objects, pg_write_all_data is also introduced and gives users implicit INSERT, UPDATE and DELETE rights on all tables, views and sequences. These roles can not be logged into directly but instead should be GRANT'd to a role which is able to log in. As noted in the documentation, if RLS is being used then an administrator may (or may not) wish to set BYPASSRLS on the login role which these predefined roles are GRANT'd to. Reviewed-by: Georgios Kokolatos Discussion: https://postgr.es/m/20200828003023.GU29590@tamriel.snowman.net |
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README
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/.