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Enums
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Enums
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=====
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=====
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A ``Enum`` is a special ``GraphQL`` type that represents a set of
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An ``Enum`` is a special ``GraphQL`` type that represents a set of
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symbolic names (members) bound to unique, constant values.
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symbolic names (members) bound to unique, constant values.
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Definition
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Definition
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@ -91,7 +91,7 @@ For example, you can define a field ``hero`` that resolves to any
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schema = graphene.Schema(query=Query, types=[Human, Droid])
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schema = graphene.Schema(query=Query, types=[Human, Droid])
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This allows you to directly query for fields that exist on the Character interface
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This allows you to directly query for fields that exist on the Character interface
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as well as selecting specific fields on any type that implments the interface
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as well as selecting specific fields on any type that implements the interface
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using `inline fragments <https://graphql.org/learn/queries/#inline-fragments>`_.
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using `inline fragments <https://graphql.org/learn/queries/#inline-fragments>`_.
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For example, the following query:
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For example, the following query:
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@ -46,13 +46,13 @@ The above ``Person`` ObjectType has the following schema representation:
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Resolvers
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Resolvers
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---------
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---------
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A resolver is a method that resolves certain fields within a
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A resolver is a method that resolves certain fields within an
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``ObjectType``. If not specified otherwise, the resolver of a
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``ObjectType``. If not specified otherwise, the resolver of a
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field is the ``resolve_{field_name}`` method on the ``ObjectType``.
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field is the ``resolve_{field_name}`` method on the ``ObjectType``.
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By default resolvers take the arguments ``info`` and ``*args``.
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By default resolvers take the arguments ``info`` and ``*args``.
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NOTE: The resolvers on a ``ObjectType`` are always treated as ``staticmethod``\ s,
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NOTE: The resolvers on an ``ObjectType`` are always treated as ``staticmethod``\ s,
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so the first argument to the resolver method ``self`` (or ``root``) need
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so the first argument to the resolver method ``self`` (or ``root``) need
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not be an actual instance of the ``ObjectType``.
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not be an actual instance of the ``ObjectType``.
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