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docs: added warning to authorization

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Laurent Riviere 2023-06-08 09:24:12 +00:00
parent f80bf5f006
commit ccce70e3cd
1 changed files with 10 additions and 0 deletions
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docs/authorization.rst
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@ -144,6 +144,16 @@ If you are using ``DjangoObjectType`` you can define a custom `get_queryset`.
return queryset.filter(published=True) return queryset.filter(published=True)
return queryset return queryset
.. warning::
Defining a custom ``get_queryset`` gives the guaranteed it will be called
when resolving the ``DjangoObjectType``, even through related objects.
Note that because of this, benefits from using ``select_related``
in objects that define a relation to this ``DjangoObjectType`` will be canceled out.
In the case of ``prefetch_related``, the benefits of the optimization will be lost only
if the custom ``get_queryset`` modifies the queryset. For more information about this, refers
to Django documentation about ``prefetch_related``: https://docs.djangoproject.com/en/4.2/ref/models/querysets/#prefetch-related.
Filtering ID-based Node Access Filtering ID-based Node Access
------------------------------ ------------------------------