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Custom scalar deserialization error #247

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@jesskfullwood

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@jesskfullwood

Not sure if I'm just misunderstanding how this is supposed to work. I have a somewhat complicated type that I would like to send over GraphQL. No problem, I used the juniper::graphql_scalar! macro to just dump it to and load from a JSON string, seem to compile and serializes fine.

But when I query the server with the client, the client doesn't use the from_str function, it just tries to call serde_json::from_str on the whole graphql blob here, which of course fails because my custom type is now just a string from serde's point of view. Is this intended behavior? I expected the client to use it's own deserialization rather than rely on serde.

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