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Parent is mixing up GraphQL and ORMs which serve two completely different purposes and doesn't seem to have actually used GraphQL. GraphQL is purely a way for a client to request some data instead of REST. How the backend serves that request is not any concern to the frontend, the backend can use an ORM or it can use raw SQL, or whatever else it wants.

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Yes I think you are right; I wasn't following the ORM part either. I mean, you can return whatever you want so long as matches the schema. Hard code it, raw sql, whatever.

I wrote some custom resolvers yesterday to extend graphql on a Cart entity and it works well for that.

I used some existing repositories the backend already had but was not yet available on the GraphQL side.

All the resolvers can lead to extra performance issues of course, but I suppose you can adjust your schema as needed and tune it with more efficient queries or code (ex: move some properties to nested and resolve with a single tuned query)

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