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Violation of Liskov Substitution Principle #247

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enewhuis opened this issue May 14, 2019 · 0 comments
Open

Violation of Liskov Substitution Principle #247

enewhuis opened this issue May 14, 2019 · 0 comments

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@enewhuis
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enewhuis commented May 14, 2019 •
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https://github.com/graphql-python/graphql-core/blob/3ba7f9218bca7a039b109b103cf57b1511d970c7/graphql/execution/executor.py#L704

Above referenced line violates Liskov Substitution Principle when used with at least Graphene-Django and the underlying model is itself a subclass of aDjangoObjectType.Meta.model class.

A popular variant of this violation is use of django-polymorphic, which is quite prevalent. However, we're talking basic Python here.
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