{
    "queryType": "topN",
    "dataSource": "randSeq",
    "granularity": "all",
    "dimension": "target",
    "threshold": 10,
    "metric": "randomNumberSum",
    "aggregations":[
    { "type": "count", "name": "rows"},
    { "type": "doubleSum", "fieldName": "events", "name": "e"},
    { "type": "doubleSum", "fieldName": "outColumn", "name": "randomNumberSum"}
    ],
    "postAggregations":[
    {"type":"arithmetic","name":"avg_random","fn":"/","fields":[{"type":"fieldAccess","name":"randomNumberSum","fieldName":"randomNumberSum"},{"type":"fieldAccess","name":"rows","fieldName":"rows"}]}
    ],
    "intervals":["2012-10-01T00:00/2020-01-01T00"]
}