The purpose of this project is to implement"external table" function which implemented by Oracle and DB2. We hope to offer users a free solution instead of charged one.
The PGExternalTableproject is a PostgreSQL Community project that is a part of the pgFoundry.
The pgFoundry page for the project is at http://pgfoundry.org/projects/pgexternaltable, where you can find downloads, documentation, bug reports, mailing lists, and a whole lot more.