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Python Django ORM Total Control F objects

Dillon Ginley
.a{fill-rule:evenodd;}techdegree seal-36
Dillon Ginley
Python Web Development Techdegree Graduate 26,890 Points

proper syntax of update and F function

What is the proper syntax for this F function; what am I doing wrong

from django.db.models import F

from . import models

def double_ratings():
    reviews = Review.objects.all().update(rating=F('rating')*2)

1 Answer

Cheo R
Cheo R
37,150 Points

The line:

reviews = Review.objects.all().update(rating=F('rating')*2)

Is missing models before Review.