Class UniqueConstraintProduct

tests/constraints/models.py:72–84

class UniqueConstraintProduct(models.Model):
    name = models.CharField(max_length=255)
    color = models.CharField(max_length=32, null=True)
    age = models.IntegerField(null=True)
    updated = models.DateTimeField(null=True)

    class Meta:
        constraints = [
            models.UniqueConstraint(
                fields=["name", "color"],
                name="name_color_uniq",
            )
        ]


class ChildUniqueConstraintProduct(UniqueConstraintProduct):