You have to add id also to the creator field: query getEvent($eventId: ID!) { Event(id:$eventId) { id headline photo location startTime creator { id username photo } } } In general, make sure to add id to all subselections of your queries.
GraqhQL provides directives for this very purpose. Create a fragment to define common fields, use @include(if: Boolean) and @skip(if: Boolean) directives on that fragment to get dynamic fields. By dynamic fields we mean fields that are known at execution time. According to spec, it is best to avoid manual string interpolation to construct dynamic queries. … Read more
The fault with my query was that I didn’t download the new schema. You can download the schema by using: apollo schema:download –endpoint=http://localhost:8080/graphql schema.json replace http://localhost:8080/graphql with your server endpoint You can see more at https://www.apollographql.com/docs/ios/downloading-schema/
I had a similar error. I worked it out by adding id to query. for example, my current query was query { service:me { productServices { id title } } } my new query was query { service:me { id // <——- productServices { id title } } }
Apollo exposes two kinds of errors through its API: GraphQL errors, which are returned as part of the response as errors, alongside data, and network errors which occur when a request fails. A network error will occur when a server can’t be reached or if the response status is anything other than 200 — queries … Read more