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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/topics/db/models.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/topics/db/models.txt b/docs/topics/db/models.txt index 9833ff5afb..ec725b77c2 100644 --- a/docs/topics/db/models.txt +++ b/docs/topics/db/models.txt @@ -1082,6 +1082,18 @@ created directly as a ``Place`` object or was the parent of some other class), referring to ``p.restaurant`` would raise a ``Restaurant.DoesNotExist`` exception. +The automatically-created :class:`~django.db.models.OneToOneField` on +``Restaurant`` that links it to ``Place`` looks like this:: + + place_ptr = models.OneToOneField( + Place, on_delete=models.CASCADE, + parent_link=True, + ) + +You can override that field by declaring your own +:class:`~django.db.models.OneToOneField` with :attr:`parent_link=True +<django.db.models.OneToOneField.parent_link>` on ``Restaurant``. + .. _meta-and-multi-table-inheritance: ``Meta`` and multi-table inheritance |