django - transaction

 1 def user_atomic():
 2     User.objects.create(name=‘purk1‘, email=‘[email protected]‘)
 3     User.objects.create(name=‘purk3‘, email=‘[email protected]‘)
 4     try:
 5         User.objects.create(user_id=‘purk2‘, name=‘purk2‘, email=‘[email protected]‘)
 6     except Exception as e:
 7         e
 8
 9
10 @transaction.atomic
11 def user_atomic_decorator():
12     user = User.objects.create(name=‘purk1‘, email=‘[email protected]‘)
13     User.objects.create(name=‘purk3‘, email=‘[email protected]‘)
14     try:
15         User.objects.create(user_id=‘purk2‘, name=‘purk2‘, email=‘[email protected]‘)
16     except Exception as e:
17         e

user_id 为uuid类型，所以try里面肯定会抛异常

result:

用atomic装饰之后，里面的结果就被回滚了