def get_field_type(self, data_type, description):
        return self.data_types_reverse[data_type]
Return a minimum spanning tree or forest of an undirected 
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/db/backends/__init__.py/BaseDatabaseIntrospection.get_field_type--crossover with--dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/algorithms/mst.py/prim_mst