#7623: Multi-table inheritance does not allow linking new instance of child
model
to existing parent model instance.
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Reporter: brooks.travis@… | Owner: nobody
Type: Bug | Status: reopened
Component: Database layer | Version: master
(models, ORM) | Resolution:
Severity: Normal | Triage Stage: Design
Keywords: model-inheritance, | decision needed
multi-table-inheritance | Needs documentation: 1
Has patch: 1 | Patch needs improvement: 1
Needs tests: 1 | UI/UX: 0
Easy pickings: 0 |
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Comment (by sammiestoel@…):
There is an even easier work around not 100% sure if it works as expected
yet though:
{{{
child = Restaurant(place_ptr_id=place.pk)
child.__dict__.update(place.__dict__)
child.save()
}}}
Tested it myself for my use case as working.
Thanks to: http://stackoverflow.com/questions/4064808/django-model-
inheritance-create-sub-instance-of-existing-instance-downcast
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Ticket URL: <https://code.djangoproject.com/ticket/7623#comment:21>
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