On Saturday, January 5, 2013 8:48:00 AM UTC-8, Saqib Ali wrote:
>
>
> I have a Django Model as follows:
>
>
> class myModel(models.Model):
>
> a = models.IntegerField()
>
> b = models.IntegerField()
>
>
> I want to add a models.BooleanField() named c to the myModel class.
> However the value of c is simply derived from a and b so I don't want it to
> be stored in the Database.
> I want to c to be True if a > b, otherwise False. I want c to reflect the
> correct/current value even when a and b get modifed. And I want to be able
> to access c using myModel.c just like I can access a and b.
>
> Is there any way to do this?
>
Use a property inside your class
@property
def c(self):
return self.a > self.b
Now you can access c as myModel.c anytime.
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