django summing over values or function values

Asked Jun 05 '18 at 19:51

Active Jun 05 '18 at 19:51

Viewed 22 times

In a django-project I have the following line:

person_lista = Personal.objects.annotate(tjgtid=Sum('personyear__tjgtim'))

When the class PersonYear contained the variable

tjgtim = models.FloatField(default=0)

this worked fine. But now I have changed it so that it is a function:

def tjgtim:
    return .....

and now it does not work. Why is that? What should I do differently?

Thanks in advance, -anders

asked Jun 05 '18 at 19:51

anders

The error is 'Cannot resolve keyword 'tjgtim' into field' – anders Jun 05 '18 at 19:53
Possible duplicate of [Filter by property](https://stackoverflow.com/questions/1205375/filter-by-property) – Brown Bear Jun 05 '18 at 20:05
Are you using the same name for the field and the function? That will probably cause errors. – voodoo-burger Jun 05 '18 at 20:37

0 Answers0