{
   "queryPlanner":{
      "plannerVersion":1,
      "namespace":"test.users",
      "indexFilterSet":false,
      "parsedQuery":{
         "$not":{
            "code":{
               "$exists":true
            }
         }
      },
      "winningPlan":{
         "stage":"COLLSCAN",
         "filter":{
            "$not":{
               "code":{
                  "$exists":true
               }
            }
         },
         "direction":"forward"
      },
      "rejectedPlans":[

      ]
   },
   "executionStats":{
      "executionSuccess":true,
      "nReturned":4,
      "executionTimeMillis":0,
      "totalKeysExamined":0,
      "totalDocsExamined":9,
      "executionStages":{
         "stage":"COLLSCAN",
         "filter":{
            "$not":{
               "code":{
                  "$exists":true
               }
            }
         },
         "nReturned":4,
         "executionTimeMillisEstimate":0,
         "works":11,
         "advanced":4,
         "needTime":6,
         "needYield":0,
         "saveState":0,
         "restoreState":0,
         "isEOF":1,
         "invalidates":0,
         "direction":"forward",
         "docsExamined":9
      },
      "allPlansExecution":[

      ]
   },
   "serverInfo":{
      "host":"lateral-dev-box",
      "port":27017,
      "version":"3.2.7",
      "gitVersion":"4249c1d2b5999ebbf1fdf3bc0e0e3b3ff5c0aaf2"
   },
   "ok":1
}