[tom9729]

One way to get this would be to develop a Teiid translator (plugin) for Rethink.

https://issues.jboss.org/browse/TEIID-3303 http://teiid.jboss.org/

The normal use case is to use the Teiid JDBC driver (or Postgres ODBC) to connect with the Teiid server and then that handles talking to your datasources via the translators.

I think there was some work done to make a standalone MongoDB JDBC driver using an embedded Teiid server, but I'm not sure how much progress was made there. Mapping document to relational can be tricky.