Re: Using Sum() for a models method inside a Query

What do you mean by the sum or average of the method? As in the sum or average of the method applied to a list of objects "X"?

On Sun, Nov 23, 2014 at 7:41 PM, Jorge Andrés Vergara Ebratt <javebratt@gmail.com> wrote:

Hello everyone,

Well, the tittle says it all:

I have a model X

class X(models.Model)

    a = models.IntegerField()

    b = models.IntegerField()

def getC(self):

    return a + b

So, when I'm inside a template I can call {{x.getC}} and it gets the method for the current instance it's in, but how can I get the Sum, or Avg of that method? I tried doing Sum('getC') but I get the error because getC isn't callable in the query...

Thanks in advance for the help

--

Jorge Andres Vergara Ebratt

#SoftwareDeveloper (Or at least trying to be)

@javebratt

facebook.com/javebratt

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