def alter_column(self, keyspace, column_family, column, value_type):

        self._conn.set_keyspace(keyspace)
        cfdef = self.get_keyspace_column_families(keyspace)[column_family]
        self._system_update_column_family(self._alter_column_cfdef(cfdef, column, value_type))
Returns a tuple of (POST QueryDict, FILES MultiValueDict).
dataset/ETHPy150Open pycassa/pycassa/pycassa/system_manager.py/SystemManager.alter_column--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.3/django/http/__init__.py/HttpRequest.parse_file_upload