{
    "queryType": "topN",
    "dataSource": "twitterstream",
    "granularity": "all",
    "dimension": "lang",
    "threshold": 10,
    "metric": "totally",
    "aggregations":[
    { "type": "count", "name": "rows"},
    { "type": "doubleSum", "fieldName": "events", "name": "e"},

    { "type": "max", "fieldName": "maxStatusesCount", "name": "theMaxStatusesCount"},
    { "type": "max", "fieldName": "maxRetweetCount", "name": "theMaxRetweetCount"},

    { "type": "max", "fieldName": "maxFriendsCount", "name": "theMaxFriendsCount"},
    { "type": "max", "fieldName": "maxFollowerCount", "name": "theMaxFollowerCount"},

    { "type": "doubleSum", "fieldName": "totalStatusesCount", "name": "totally"}

    ],
    "postAggregations":[
    {"type":"arithmetic","name":"avg_f","fn":"/","fields":[{"type":"fieldAccess","name":"dummy","fieldName":"totally"},{"type":"fieldAccess","name":"rows","fieldName":"rows"}]}
    ],
    "intervals":["2012-10-01T00:00/2020-01-01T00"]
}