thank you. you give me more confidence вторник, 30 декабря 2014 г., 17:19:53 UTC+3 пользователь Vijay Khemlani написал: > > If you want to change a user's cashbox then yes, you would need to use > your solution, but it's easier to get c1 by just saying > > c1 = user.cashbox > > instead of Cashbox.objects.get.... > > A more definite solution would be to add the OneToOne relation to the User > model instead of the Cashbox object, but I'm not sure how that works in > your project. > > On Tue, Dec 30, 2014 at 6:56 AM, madjardi <[email protected] > <javascript:>> wrote: > >> class Cashbox(models.Model): >> cashier = models.OneToOneField('User', null=True, blank=True, >> related_name='cashbox', on_delete=models.SET_NULL) >> >> in other code: >> User.object.get(pk=1) >> user.cashbox = None >> >> AttributeError: 'NoneType' object has no attribute 'cashier_id' >> >> one version solving is: >> c1 = Cashbox.objects.get(pk=user.cashbox.id) >> c1.cashier = None >> c1.save() >> >> >> c2 = Cashbox.object.get(pk=10) >> c2.cashier = user >> c2.save() >> >> >> i need get other Cashbox to set link None. Why i need do so. is there a >> better solution. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at http://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/9bac63fa-64e3-4353-82ae-6b31fa8f281f%40googlegroups.com >> >> <https://groups.google.com/d/msgid/django-users/9bac63fa-64e3-4353-82ae-6b31fa8f281f%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > >
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