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8e9ea08bae
Commit 8ff1c94649 allowed TRUNCATE command to truncate foreign tables. Previously the information about "ONLY" options specified in TRUNCATE command were passed to the foreign data wrapper. Then postgres_fdw constructed the TRUNCATE command to issue the remote server and included "ONLY" options in it based on the passed information. On the other hand, "ONLY" options specified in SELECT, UPDATE or DELETE have no effect when accessing or modifying the remote table, i.e., are not passed to the foreign data wrapper. So it's inconsistent to make only TRUNCATE command pass the "ONLY" options to the foreign data wrapper. Therefore this commit changes the TRUNCATE command so that it doesn't pass the "ONLY" options to the foreign data wrapper, for the consistency with other statements. Also this commit changes postgres_fdw so that it always doesn't include "ONLY" options in the TRUNCATE command that it constructs. Author: Fujii Masao Reviewed-by: Bharath Rupireddy, Kyotaro Horiguchi, Justin Pryzby, Zhihong Yu Discussion: https://postgr.es/m/551ed8c1-f531-818b-664a-2cecdab99cd8@oss.nttdata.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.