mirror of https://github.com/django/django.git
Fixed #7785 -- Added a note in the contenttypes documentation that GenericRelations must share a common field type for primary keys. Thanks to Rudolph for the suggestion and initial draft.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7976 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
parent
825622d912
commit
b5b0febc4c
|
@ -205,6 +205,11 @@ model. There are three parts to setting up a ``GenericForeignKey``:
|
|||
models you'll be relating to. (For most models, this means an
|
||||
``IntegerField`` or ``PositiveIntegerField``.)
|
||||
|
||||
This field must be of the same type as the primary key of the models
|
||||
that will be involved in the generic relation. For example, if you use
|
||||
``IntegerField``, you won't be able to form a generic relation with a
|
||||
model that uses a ``CharField`` as a primary key.
|
||||
|
||||
3. Give your model a ``GenericForeignKey``, and pass it the names of
|
||||
the two fields described above. If these fields are named
|
||||
"content_type" and "object_id", you can omit this -- those are the
|
||||
|
|
Loading…
Reference in New Issue