Future-Proof GraphQL Schema Design


In this talk, we will cover schema evolution best practices, common mistakes when extending an existing GraphQL schema and patterns for safely monitoring usage, and finally removing deprecated GraphQL fields over time. The state-of-art GraphQL schema does not need versioning as it only ever returns data that is explicitly requested by a client. In theory, new capabilities and types added to the GraphQL schema are only available as the client updates their operation selection sets. However, in reality, altering and extending a GraphQL schema could easily break existing clients depending on how the change has been implemented, especially when using enum, interface, and union types.

33 min
08 Dec, 2022

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