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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/topics/composite-primary-key.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/topics/composite-primary-key.txt b/docs/topics/composite-primary-key.txt index 883c1b3e6f..68356593b4 100644 --- a/docs/topics/composite-primary-key.txt +++ b/docs/topics/composite-primary-key.txt @@ -186,6 +186,16 @@ field :exc:`.FieldError`. :attr:`.Field.editable` to ``False`` on all primary key fields to exclude them from ModelForms. +Composite primary keys in model validation +========================================== + +Since ``pk`` is only a virtual field, including ``pk`` as a field name in the +``exclude`` argument of :meth:`.Model.clean_fields` has no effect. To exclude +the composite primary key fields from +:ref:`model validation <validating-objects>`, specify each field individually. +:meth:`.Model.validate_unique` can still be called with ``exclude={"pk"}`` to +skip uniqueness checks. + Building composite primary key ready applications ================================================= |