How is inner context persistent if we call 'createContext' for every batch?

As per title. According to the docs, inner context doesn't depend on the request, and is useful for persistent objects like your database connection. However, given that createContext is called for every request, I fail to see how calling createInnerContext inside of createContext provides persistence? Docs that I read: https://trpc.io/docs/server/context#inner-and-outer-context
Context | tRPC
Your context holds data that all of your tRPC procedures will have access to, and is a great place to put things like database connections or authentication information.
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BeBoRE32d ago
createInnerContext isn't about persistence, it just doesn't depend on something like a request object. You don't need a createInnerContext if you aren't doing stuff like integration tests or you need to create a caller where you don't have access to the request object. You can just put your db connection in the createContext if you want to, createInnerContext isn't neccessary