elasticsearch 我的弹性平均查询中出错-格式不正确

我得到一个原因“[query]查询格式错误，查询名称后没有开始对象”错误，不确定原因

该查询旨在获取两个日期字段之间的差异，并计算所有结果的平均值，我认为这应该可行，但可能不可行

任何帮助都将不胜感激

我使用的是弹性版本5.6.12

查询如下：

POST index_my.test/_search
{
  "size":10,
   "query": {
      "bool": {
      "must": [
        {
            "query": 
              "match_all": {}
          }
        }
      ]
    }
         "filter": {
            "and": [
               {
                  "exists": {
                     "field": "activity.timeline.found"
                  }
               }
               {
                  "exists": {
                     "field": "activity.timeline.sent"
                  }
               }
            ]
         },
         "aggs": {
      "avg_timedifference": {
         "avg": {
            "script" : "Math.ceil(doc['activity.timeline.found'].value - doc['activity.timeline.sent'].value)"
         }
      }
   }
}

您忘记在“筛选器”之前加逗号。请尝试以下操作：

POST index_my.test/_search
{
  "size":10,
   "query": {
      "bool": {
      "must": [
        {
            "query": 
              "match_all": {}
          }
        }
      ]
    },
         "filter": {
            "and": [
               {
                  "exists": {
                     "field": "activity.timeline.found"
                  }
               }
               {
                  "exists": {
                     "field": "activity.timeline.sent"
                  }
               }
            ]
         },
         "aggs": {
      "avg_timedifference": {
         "avg": {
            "script" : "Math.ceil(doc['activity.timeline.found'].value - doc['activity.timeline.sent'].value)"
         }
      }
   }
}