firestore/internal/conformance/testdata/query-select.json

{
  "tests": [
    {
      "description": "query: Select clause with some fields",
      "comment": "An ordinary Select clause.",
      "query": {
        "collPath": "projects/projectID/databases/(default)/documents/C",
        "clauses": [
          {
            "select": {
              "fields": [
                {
                  "field": [
                    "a"
                  ]
                },
                {
                  "field": [
                    "b"
                  ]
                }
              ]
            }
          }
        ],
        "query": {
          "select": {
            "fields": [
              {
                "fieldPath": "a"
              },
              {
                "fieldPath": "b"
              }
            ]
          },
          "from": [
            {
              "collectionId": "C"
            }
          ]
        }
      }
    }
  ]
}