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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/contenttypes.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/contenttypes.txt b/docs/contenttypes.txt index 51ca8f0198..96e3b0939c 100644 --- a/docs/contenttypes.txt +++ b/docs/contenttypes.txt @@ -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 |