#include <db_cxx.h> DbMpoolFile * Db::get_mpf();
The Db::get_mpf() method returns the handle for the cache file
underlying the database.
The Db::get_mpf() method should be used with caution on a replication client site.
This method exposes an internal structure that may not be valid after a client site synchronizes with its master site.
The Db::get_mpf() method may be called at any time during the life of
the application.