We have just released version 0.3.1 of the Foreign Data Wrapper for databases with JDBC interface.
This release can work with PostgreSQL 13, 14 and 15.
This FDW is implemented in C language with JDK.
This release improves the following features :
Support execute a query and get results from the DB behind jdbc connection
The FDW supports following key features :
SELECT, INSERT, UPDATE and DELETE of foreign tables
WHERE clauses is push-downed
Aggregate is push-downed
This is developed by Toshiba Software Engineering & Technology Center. Please see the repository for details. Source repository : https://github.com/pgspider/jdbc_fdw