def rollback(self):
        self.validate_thread_sharing()
        self.validate_no_atomic_block()
        self._rollback()
        self.set_clean()
Rolls back a transaction and resets the dirty flag.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/backends/__init__.py/BaseDatabaseWrapper.rollback