Question

I have this kind of code:

class Base(models.Model):
    pub_date = models.DateTimeField(_('pub_date'),default=timezone.now)

    class Meta:
        abstract = True

class A(Base):
    ...
class B(Base):
    ...

how can i do ,if i want to order A and B instances in the same time ? thxs

Answer 1

You can’t combine queries on children of an abstract class. You will need to chain the result afterwards either by converting to sequences and adding, or via itertools.chain().