Thoughts On GraphQL In Existing Systems

Anshulee Asthana shares some thoughts after researching GraphQL implementation details:

The Existing System

  • SQL Server DB with SPs, functions, views, and queries. SPs are non-modular in the sense they join various tables and return values specific to the calls being made.
  • Connection with the DB is using basic ADO.NET and not with EF/LINQ, etc.
  • ASP.NET WebAPI2.0 (Not .NET Core) and Java-based APIs.
  • Native Android, iOS and Web Clients. Some portion of the web clients bypasses the API and talks to the DB directly.
  • WebClients: ASP.NET and React.
  • A React Native-based app.

System Maturity

  • System has been in production for few years now and is stable.
  • As the system is in a competitive space, new features are always getting added apart from usual maintenance.

Customer Ask

  • Whether it makes sense to wrap our existing APIs into a GraphQL Endpoint.

  • For a new feature in the react app evaluate making the new .NET based APIs in GraphQL.

It’s nice that Anshulee shared this case study, especially because there’s relatively little involving GraphQL + .NET.

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