Consultas Django Managers

customizar la queries que se usen mucho

class PersonQuerySet(model.QuerySet):
    def annotate_full_name(self):
        return self.annotate(
            full_name=Concat(
                "first_name", value(" "), "last_name"
            )
        )

class Person(models.Model):
    ...
    objects = PersonQuerySet.as_manager()

Person.objects.annotate_full_name().values_list("full_name")