sorry, i forgot to mentioned that you first save the A object. On Aug 24, 1:28 am, ernando <dmitry.home...@gmail.com> wrote: > Hi all, > > maybe it's newbie question but I wasn't able to find clear answer/ > solution on it. > > For example, we have the following models: > > class A(models.Model): > id = models.AutoField(primary_key=True) > title = models.CharField(max_length=30) > > class B(models.Model): > id = models.AutoField(primary_key=True) > title = models.CharField(max_length=30) > aItems = models.OneToOneField(A) > > And try to save them in the following way: > > a = A(title="123") > b = B(title="333", aItems = a) > b.save() > > This code runs with the error: (1364, "Field 'aItems_id' doesn't have > a default value") > if I firstly save a object - everything goes smoothly. So, the > question is - should we always save all related objects manually? > According to django docs we have to create object at first. But that's > now always convenient - e.g. I receive full model from the 3rd part > service and want to save it into DB with one call and not do it for > each item. > > Regards, > Dmitry
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