django1/tests/constraints/models.py

16 lines
394 B
Python

from django.db import models
class Product(models.Model):
name = models.CharField(max_length=255)
price = models.IntegerField()
discounted_price = models.IntegerField()
class Meta:
constraints = [
models.CheckConstraint(
models.Q(price__gt=models.F('discounted_price')),
'price_gt_discounted_price'
)
]