In my understanding graphql-kotlin does not support persisted queries out of the box. How difficult it would be to add this support?

depends whether you are looking for automatic persisted queries or not -> if you pre-register your persisted queries then you could just add another endpoint that would take the SHA, retrieve the query and then process it so should be fairly "easy"

Thanks, I guess going with manual approach should be fine. Any pointer to how can I switch from my endpoint controller (assuming my persisted query handler) and call graphql engine directly by providing the query with parameters and calling the eingine without going through

/graphql

endpoint - ideally I'd like to expose only persisted queries in our prod environment and disable

/graphql

endpoint completely (security team asks for this).

in the simplest form you would need to inject an instance of

GraphQL

bean, somehow map the query SHA to a query and then use it to create

ExecutionInput

i.e. something like https://github.com/ExpediaGroup/graphql-kotlin/blob/master/servers/graphql-kotlin-[…]/expediagroup/graphql/server/execution/GraphQLRequestHandler.kt

Perfect, thanks 🙂

You can also do this in the one level in the

GraphQLServer

https://github.com/ExpediaGroup/graphql-kotlin/blob/669d62b022b798be315c18a62d9a06[…]tlin/com/expediagroup/graphql/server/execution/GraphQLServer.kt You can override the entire method or the individual,

GraphQLRequestParser

,

GraphQLContextFactory

, and

GraphQLRequestHandler

Thanks, will look into that 🙂