es聚合查询后返回数据格式问题

GET statistic_analysis/_search

{

  "size": 0,

  "aggregations": {

    "total_row_num": {

      "sum": {

        "field": "rowNum"

      }

    }

  }

}

返回值

"aggregations" : {

    "total_row_num" : {

      "value" : 3.2152986E8

    }

  }