Class Author

tests/db_functions/models.py:8–12

class Author(models.Model):
    name = models.CharField(max_length=50)
    alias = models.CharField(max_length=50, null=True, blank=True)
    goes_by = models.CharField(max_length=50, null=True, blank=True)
    age = models.PositiveSmallIntegerField(default=30)


class Article(models.Model):