怎样取得聚合后的数据 about datax-elasticsearch HOT 6 CLOSED

{
    "took":2,
    "timed_out":false,
    "_shards":{
        "total":1,
        "successful":1,
        "failed":0
    },
    "hits":{
        "total":13844,
        "max_score":1,
        "hits":[
            {
                "_index":"public_pubalert_eoi_20210101_20211231",
                "_type":"log",
                "_id":"AXa6OUpWXaSEQ6uiHp1P",
                "_score":1,
                "_source":{
                    "@timestamp":"2021-01-01T03:14:29.000+08:00",
                    "source":"alert_testdb1",
                    "timestamp":"2021-01-01T03:14:29.000+08:00",
                    "@message":"Fri Jan 01 03:14:29 2021 Stopping background process CJQ0",
                    "@tags":[
                        "tag_on_failure",
                        "SGrok: "
                    ],
                    "@collectiontime":"2021-01-01T03:14:40.065+08:00",
                    "@rownumber":24667,
                    "instance":"testdb1",
                    "@ip":"10.0.0.1",
                    "@hostname":"testdb1",
                    "@@id":"18980b4999d9dddba5836c23bbad8866",
                    "@@datasetid":"263322181648384",
                    "@dataset":"pubalert",
                    "@path":"/u01/oracle/diag/rdbms/testdb/testdb1/trace/alert_testdb1.log"
                }
            }
        ]
    }
}

{ 
"job": {
    "setting": {
      "speed": {
        "byte": 1048576000
      },
      "errorLimit": {
        "record": 0,
        "percentage": 0.02
      }
    },
    "content": [
      {
        "reader": {
          "name": "elasticsearchreader",
          "parameter": {
            "endpoint": "http://10.0.0.1:9200",
            "accessId": "xxxx",
            "accessKey": "xxxx",
            "index": "index_1*",
            "type": "log",
            "searchType": "dfs_query_then_fetch",
            "headers": {
            },
            "scroll": "3m",
            "search": [
{
	"from": 0,
	"query": {
		"bool": {
			"must": [
				{"range": {
           "@timestamp": {
             "gte": "now-1d",
             "lte": "now",
             "format": "yyyy-MM-dd-HH",
             "time_zone":"+08:00"
           }
         }
         },
         {
					"wildcard": {
						"@ip": {
							"wildcard": "*10.0.0.20*",
							"boost": 1
						}
					}
				}
			],
			"disable_coord": false,
			"adjust_pure_negative": true,
			"boost": 1
		}
	},
	"aggregations": {
		"date_histogram_timestamp": {
			"date_histogram": {
				"format": "HH:mm:ss",
				"keyed": false,
				"field": "timestamp",
				"min_doc_count": 0,
				"interval": "1m",
				"offset": 0,
				"order": {
					"_key": "asc"
				},
				"time_zone": "Asia/Shanghai"
			},
			"aggregations": {
				"max_delays": {
					"max": {
						"field": "delays"
					}
				}
			}
		}
	}
}             
            ],
            "table":{
              "name": "index_1*",
              "column": [
                {
                  "name": "@timestamp"
                },
                {
                  "name": "ip_dst"
                },
                {
                  "name": "trans_count"
                },
                
                
              ]
            }
          }
        },
        "writer": {
          "name": "streamwriter",
          "parameter": {
"path": "/tmp/out",
            "fileName":"new-inflxudb.csv",
            "print": true,
            "encoding": "UTF-8"
          }
        }
      }
    ]
  }
}