def rollback(self):
        self.validate_thread_sharing()
        self.validate_no_atomic_block()
        self._rollback()
        # A successful rollback means that the database connection works.
        self.errors_occurred = False

        self.run_on_commit = []
Create a new vPool for VSA.
dataset/ETHPy150Open django/django/django/db/backends/base/base.py/BaseDatabaseWrapper.rollback--crossover with--dataset/ETHPy150Open nii-cloud/dodai-compute/nova/api/openstack/contrib/virtual_storage_arrays.py/VsaVPoolController.create