ElasticSearch：使用dsl语句同时查询出最近2小时、最近1天、最近7天、最近30天的数量

飞翔的佩奇2024-11-14 19:41

场景

需要使用dsl语句同时查询出最近2小时、最近1天、最近7天、最近30天的数量，如果按照常规逻辑，需要写四个dsl语句，才能查询出来，那么能不能使用一句dsl就可以查询出结果呢？

show time

xml 复制代码

GET alarm_forward_history_*/_search
{
  "size": 0,
  "query": {
    "bool": {
      "must": [
        {
          "term": {
            "sourceName": {
              "value": "运维123"
            }
          }
        },
        {
          "term": {
            "sourceAlertKey": {
              "value": "生产问题描述223"
            }
          }
        },
        {
          "term": {
            "cmdb.app_name": {
              "value": "dba数据库"
            }
          }
        }
      ]
    }
  },
  "aggs": {
    "date": {
      "date_range": {
        "field": "@timestamp",
        "ranges": [
          {
            "from": "now-2h",
            "to": "now",
            "key": "lastTwoHour"
          },
          {
            "from": "now-1d",
            "to": "now",
            "key": "lastDay"
          },
          {
            "from": "now-7d",
            "to": "now",
            "key": "lastSevenDay"
          },
          {
            "from": "now-30d",
            "to": "now",
            "key": "lastMonth"
          }
        ]
      }
    }
  }
}

输出结果大致如下：

xml 复制代码

"aggregations" : {
    "date" : {
      "buckets" : [
        {
          "key" : "lastMonth",
          "from" : 1.728359639296E12,
          "from_as_string" : "2024-10-08T03:53:59.296Z",
          "to" : 1.730951639296E12,
          "to_as_string" : "2024-11-07T03:53:59.296Z",
          "doc_count" : 7
        },
        {
          "key" : "lastSevenDay",
          "from" : 1.730346839296E12,
          "from_as_string" : "2024-10-31T03:53:59.296Z",
          "to" : 1.730951639296E12,
          "to_as_string" : "2024-11-07T03:53:59.296Z",
          "doc_count" : 0
        },
        {
          "key" : "lastDay",
          "from" : 1.730865239296E12,
          "from_as_string" : "2024-11-06T03:53:59.296Z",
          "to" : 1.730951639296E12,
          "to_as_string" : "2024-11-07T03:53:59.296Z",
          "doc_count" : 0
        },
        {
          "key" : "lastTwoHour",
          "from" : 1.730944439296E12,
          "from_as_string" : "2024-11-07T01:53:59.296Z",
          "to" : 1.730951639296E12,
          "to_as_string" : "2024-11-07T03:53:59.296Z",
          "doc_count" : 0
        }
      ]
    }
  }
}

总结

直接采用date_range函数，即可解决