def encode(self):
        return (self.data, self.signature, self.client_creds)
Returns a dictionary of {field_index: (field_index_other_table, other_table)}
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/rbac.py/Credentials.encode--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/backends/sqlite3/introspection.py/DatabaseIntrospection.get_relations