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| -rw-r--r-- | docs/topics/db/aggregation.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/topics/db/aggregation.txt b/docs/topics/db/aggregation.txt index 310745d869..47563338d6 100644 --- a/docs/topics/db/aggregation.txt +++ b/docs/topics/db/aggregation.txt @@ -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} |