Apollo Federation "Combine Data Stores" Query Plan

queryplan.graphql

QueryPlan {
  Sequence {
    Fetch(service: "/sandbox/src/services/tweet-search.js") {
      {
        search(word: "everyday") {
          id
          __typename
        }
      }
    },
    Flatten(path: "search.@") {
      Fetch(service: "/sandbox/src/services/tweets.js") {
        {
          ... on Tweet {
            __typename
            id
          }
        } =>
        {
          ... on Tweet {
            body
            createdAt
          }
        }
      },
    },
  },
}