diff options
| -rw-r--r-- | docs/topics/db/models.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/docs/topics/db/models.txt b/docs/topics/db/models.txt index b7bd36bc81..98fb149b98 100644 --- a/docs/topics/db/models.txt +++ b/docs/topics/db/models.txt @@ -720,6 +720,24 @@ refer to the other model class wherever needed. For example:: null=True, ) +Alternatively, you can use a lazy reference to the related model, specified as +a string in the format ``"app_label.ModelName"``. This does not require the +related model to be imported. For example:: + + from django.db import models + + + class Restaurant(models.Model): + # ... + zip_code = models.ForeignKey( + "geography.ZipCode", + on_delete=models.SET_NULL, + blank=True, + null=True, + ) + +See :ref:`lazy relationships <lazy-relationships>` for more details. + Field name restrictions ----------------------- |