Handle partial responses when the server returns an error

XXX in QueryManager#makeRequest.

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[oliverjam]

Can we re-open this? The problem still exists—I just hit it today.

Querying event data means that for some languages e.g. a town might not exist and returns null.

query eventQuery {
  transaction(id: 111111) {
    performance(siteId: 1) {
      venue {
        name
        town
      }
    }
  }
}

We get this response:

{
  "data": {
    "transaction": {
      "performance": {
        "venue": {
          "name": "Kobetamendi",
          "town": null,
        }
      }
    }
  },
  "errors": [
    {
      "message": "Error trying to resolve town.",
      "locations": [
        {
          "line": 9,
          "column": 11
        }
      ]
    }
  ]
}

Apollo doesn’t pass any of the partial data it gets right now, which is frustrating.