def openDatabase(self):
        self._init_rdf_graph()
        L.debug("opening " + str(self.source))
        self.source.open()
        nm = NamespaceManager(self['rdf.graph'])
        self['rdf.namespace_manager'] = nm
        self['rdf.graph'].namespace_manager = nm

        nm.bind("", self['rdf.namespace'])
Updates the name and/or availability_zone of given aggregate.
dataset/ETHPy150Open openworm/PyOpenWorm/PyOpenWorm/data.py/Data.openDatabase--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/openstack/compute/legacy_v2/contrib/aggregates.py/AggregateController.update