def destroy_all_by_project_and_user(self, context, project_id, user_id):

        db.quota_destroy_all_by_project_and_user(context, project_id, user_id)
Destroy all quotas, usages, and reservations associated with a
dataset/ETHPy150Open openstack/nova/nova/quota.py/DbQuotaDriver.destroy_all_by_project_and_user