title: Elasticsearch lucene query in grafana
body: <p>I have Grafana 2.6 and Elasticsearch 1.6.2 as datasource</p>
  
  <p>on each of my documents, I have a field "status" that can have the values "Queued", "Complete"</p>
  
  <p>I would like to graph the number of documents with <em>status:Queued</em> on time</p>
  
  <p>here is 1 document:</p>
  
  <pre><code>{
    "_index": "myindex",
    "_type": "e_sdoc",
    "_id": "AVHFTlZiGCWSWOI9Qtj4",
    "_score": 3.2619324,
    "_source": {
      "status": "Queued",
      "update_date": "2015-12-04T00:01:35.589956",
      "md5": "738b67990f820ba28f3c10bc6c8b6ea3",
      "sender": "Someone",
      "type": "0",
      "last_client_update": "2015-11-18T18:13:32.879085",
      "uuid": "a80efd11-8ecc-4ef4-afb3-e8cd75d167ad",
      "name": "Europe",
      "insert_date": "2015-11-18T18:14:34.302295",
      "filesize": 10948809532,
      "is_online": "off",
      "id1": 77841,
      "id2": 53550932
    },
    "fields": {
      "insert_date": [
        1447870474302
      ],
      "update_date": [
        1449187295589
      ],
      "last_client_update": [
        1447870412879
      ]
    }
  }
  </code></pre>
  
  <p>My question is: Grafana wants a lucene query to submit to ES
  but I have no idea what I should use</p>
  
  <p>Have searched through the official doc, Grafana issues or looked into ES query made by Kibana but I can't find a valid syntax that is working :/</p>