mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-10-31 09:41:08 +00:00
Code Issues 32 Releases Wiki Activity

Fixed #19774 -- Deprecated the contenttypes.generic module.

Browse Source 
It contained models, forms and admin objects causing undesirable
import side effects. Refs #16368.

Thanks to Ramiro, Carl and Loïc for the review.
This commit is contained in:
Simon Charette
2014-01-22 01:43:33 -05:00
parent c3881944e8
commit 10e3faf191
33 changed files with 1011 additions and 906 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
docs/releases/1.4.txt
View File

@@ -257,8 +257,7 @@ different strategy and broader scope,
``QuerySet`` that will prefetch each of the specified related lookups in a
single batch as soon as the query begins to be evaluated. Unlike
``select_related``, it does the joins in Python, not in the database, and
supports many-to-many relationships,
:class:`~django.contrib.contenttypes.generic.GenericForeignKey` and more. This
supports many-to-many relationships, ``GenericForeignKey`` and more. This
allows you to fix a very common performance problem in which your code ends up
doing O(n) database queries (or worse) if objects on your primary ``QuerySet``
each have many related objects that you also need to fetch.