Fixed #25355 -- Made two tweaks to docs/topics/db/aggregation.txt.
This commit is contained in:
parent
e687794f6b
commit
fe58d96e50
|
@ -73,7 +73,7 @@ In a hurry? Here's how to do common aggregate queries, assuming the models above
|
|||
{'price_per_page': 0.4470664529184653}
|
||||
|
||||
# All the following queries involve traversing the Book<->Publisher
|
||||
# many-to-many relationship backward
|
||||
# foreign key relationship backwards.
|
||||
|
||||
# Each publisher, each with a count of books as a "num_books" attribute.
|
||||
>>> from django.db.models import Count
|
||||
|
@ -242,7 +242,7 @@ price field of the book model to produce a minimum and maximum value.
|
|||
|
||||
The same rules apply to the ``aggregate()`` clause. If you wanted to
|
||||
know the lowest and highest price of any book that is available for sale
|
||||
in a store, you could use the aggregate::
|
||||
in any of the stores, you could use the aggregate::
|
||||
|
||||
>>> Store.objects.aggregate(min_price=Min('books__price'), max_price=Max('books__price'))
|
||||
|
||||
|
|
Loading…
Reference in New Issue