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This role can be granted to non-superusers to allow them to issue CREATE SUBSCRIPTION. The non-superuser must additionally have CREATE permissions on the database in which the subscription is to be created. Most forms of ALTER SUBSCRIPTION, including ALTER SUBSCRIPTION .. SKIP, now require only that the role performing the operation own the subscription, or inherit the privileges of the owner. However, to use ALTER SUBSCRIPTION ... RENAME or ALTER SUBSCRIPTION ... OWNER TO, you also need CREATE permission on the database. This is similar to what we do for schemas. To change the owner of a schema, you must also have permission to SET ROLE to the new owner, similar to what we do for other object types. Non-superusers are required to specify a password for authentication and the remote side must use the password, similar to what is required for postgres_fdw and dblink. A superuser who wants a non-superuser to own a subscription that does not rely on password authentication may set the new password_required=false property on that subscription. A non-superuser may not set password_required=false and may not modify a subscription that already has password_required=false. This new password_required subscription property works much like the eponymous postgres_fdw property. In both cases, the actual semantics are that a password is not required if either (1) the property is set to false or (2) the relevant user is the superuser. Patch by me, reviewed by Andres Freund, Jeff Davis, Mark Dilger, and Stephen Frost (but some of those people did not fully endorse all of the decisions that the patch makes). Discussion: http://postgr.es/m/CA+TgmoaDH=0Xj7OBiQnsHTKcF2c4L+=gzPBUKSJLh8zed2_+Dg@mail.gmail.com |
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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/.