Loading docs/topics/db/aggregation.txt +1 −0 Original line number Diff line number Diff line Loading @@ -68,6 +68,7 @@ In a hurry? Here's how to do common aggregate queries, assuming the models above {'price__max': Decimal('81.20')} # Cost per page >>> from django.db.models import F, FloatField, Sum >>> Book.objects.all().aggregate( ... price_per_page=Sum(F('price')/F('pages'), output_field=FloatField())) {'price_per_page': 0.4470664529184653} Loading Loading
docs/topics/db/aggregation.txt +1 −0 Original line number Diff line number Diff line Loading @@ -68,6 +68,7 @@ In a hurry? Here's how to do common aggregate queries, assuming the models above {'price__max': Decimal('81.20')} # Cost per page >>> from django.db.models import F, FloatField, Sum >>> Book.objects.all().aggregate( ... price_per_page=Sum(F('price')/F('pages'), output_field=FloatField())) {'price_per_page': 0.4470664529184653} Loading