Django Polymorphic Method To Get Child Attribute. Attributes of a Class in Python AskPython When we store models that inherit from a Project model… It can also be very useful to know that using select_related() on the base model's queryset will also get the child objects, that are.
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As per the docs for django-polymorphic this causes the list view to retrieve child models, making them available to admin class methods PolymorphicModel (* args, ** kwargs) ¶ Bases: Model
Django Forms Handling & Django Form Validation Master the Concept DataFlair
For simple inheritance situations, child_models is the best solution By default, the non_polymorphic() method will be called on the queryset, so only the Parent model will be provided to the list template. Each subclassed model will require Django to perform an INNER JOIN to fetch the model fields from the database
Django Forms Handling & Django Form Validation Master the Concept DataFlair. So this method certainly has got it's shortcomings There's a very simple django app called django-polymorphic-models that helps you with that
Views In Django Python. Django polymorphic builds on top of standard django model inheritance, by adding extra column polymorphic_ctype which allows to identify subclass having only a parent object. While taking this in mind, there are valid reasons for using subclassed models