问需要将两个模型文件作为主键

EN

class QuickApproximation(models.Model):
        profile = models.CharField(primary_key=True, null=False, max_length=1024, default=None)
        category = models.CharField(null=False, max_length=1024, default=None)
        approximation = models.IntegerField(null=False, default=None)

Profile,Category,Approximations
Always on road,Groceries,500
Always on road,Dining,500
Always on road,Gas,500
Always on road,Others,1500
Social Butterfly,Groceries,500
Social Butterfly,Dining,500
Social Butterfly,Gas,500
Social Butterfly,Others,1500
Foodie,Groceries,500
Foodie,Dining,500
Foodie,Gas,500
Foodie,Others,1500
Pantry Stocker,Groceries,500
Pantry Stocker,Dining,500
Pantry Stocker,Gas,500
Pantry Stocker,Others,1500
Avid Shopper,Groceries,500
Avid Shopper,Dining,500
Avid Shopper,Gas,500
Avid Shopper,Others,1500
Healthy nut,Groceries,500
Healthy nut,Dining,500
Healthy nut,Gas,500
Healthy nut,Others,1500
Digital Junky,Groceries,500
Digital Junky,Dining,500
Digital Junky,Gas,500
Digital Junky,Others,1500