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8185bb5347
Allow CREATE SUBSCRIPTION to accept a foreign server using the SERVER
clause instead of a raw connection string using the CONNECTION clause.
* Enables a user with sufficient privileges to create a subscription
using a foreign server by name without specifying the connection
details.
* Integrates with user mappings (and other FDW infrastructure) using
the subscription owner.
* Provides a layer of indirection to manage multiple subscriptions
to the same remote server more easily.
Also add CREATE FOREIGN DATA WRAPPER ... CONNECTION clause to specify
a connection_function. To be eligible for a subscription, the foreign
server's foreign data wrapper must specify a connection_function.
Add connection_function support to postgres_fdw, and bump postgres_fdw
version to 1.3.
Bump catversion.
Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Reviewed-by: Shlok Kyal <shlok.kyal.oss@gmail.com>
Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/61831790a0a937038f78ce09f8dd4cef7de7456a.camel@j-davis.com
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "make all" and "make
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.