def rollback(self):
        self.validate_thread_sharing()
        self.validate_no_atomic_block()
        self._rollback()
        self.set_clean()
Return a query set in which the returned objects have been annotated
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/backends/__init__.py/BaseDatabaseWrapper.rollback--crossover with--dataset/ETHPy150Open django/django/django/db/models/query.py/QuerySet.annotate