def savepoint_commit(self, sid):
        if not self._savepoint_allowed():
            return

        self.validate_thread_sharing()
        self._savepoint_commit(sid)
Releases a savepoint. Does nothing if savepoints are not supported.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/backends/__init__.py/BaseDatabaseWrapper.savepoint_commit