#include <db.h> int DB->get_partition_keys(DB *db, u_int32_t *partsp, DBT *keysp);
        The DB->get_partition_keys() method
        returns the range of keys used to specify the values placed in each
        of a database's partitions. This information is set using the
        DB->set_partition()
        method.
    
         The DB->get_partition_keys() method may
         be called at any time during the life of the application.
    
         The DB->get_partition_keys() 
            
                  method returns a non-zero error value on failure and 0 on success.