elastic search查询

分类查询topN

PUT /test
{
    "mappings" : {
      "properties" : {
        "firstName" : {
          "type" : "text"
        },
        "lastName" : {
          "type" : "text"
        },
        "mobile" : {
          "type" : "text"
        },
        "htime":{
          "type": "date",
          "format": "yyyy-MM-dd HH:mm:ss"
        },
        "ltime":{
          "type": "long"
        }
      }
    }
}

// 插入数据

PUT /test/_doc/1 ... 3
{
"firstName":"m3",
"lastName":"w3",
"mobile":"18258211286",
"htime":"2021-08-11 12:12:12",
"ltime":1475251200000
}

分类查询

GET test/_search
{
  "size": 3,
  "query": {
    "match_all": {}
  },
  "aggs": {
    "top_tags": {
      "terms": {
        "field": "htime",
        "size": 3
      },
      "aggs": {
        "most_bytes": {
          "top_hits": {
            "sort": [
              {
                "ltime": {
                  "order": "desc"
                }
              }
            ],
            "_source": {
              "includes": [
                "htime",
                "ltime",
                "lastName",
                "firstName"
              ]
            },
            "size": 2
          }
        }
      }
    }
  }
}

结果

{
  "took" : 1,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 1.0,
        "_source" : {
          "firstName" : "m",
          "lastName" : "w",
          "ltime" : 1475251200000,
          "lmonthDay" : "10-01",
          "monthDay" : "08-09",
          "mobile" : "18258211286",
          "htime" : "2021-08-09 12:12:12"
        }
      },
      {
        "_index" : "test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "firstName" : "m1",
          "lastName" : "w1",
          "mobile" : "18258211286",
          "htime" : "2021-08-10 12:12:12",
          "ltime" : 1475251200000
        }
      },
      {
        "_index" : "test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "firstName" : "m3",
          "lastName" : "w3",
          "mobile" : "18258211286",
          "htime" : "2021-08-11 12:12:12",
          "ltime" : 1475251200000
        }
      }
    ]
  },
  "aggregations" : {
    "top_tags" : {
      "doc_count_error_upper_bound" : 0,
      "sum_other_doc_count" : 0,
      "buckets" : [
        {
          "key" : 1628511132000,
          "key_as_string" : "2021-08-09 12:12:12",
          "doc_count" : 1,
          "most_bytes" : {
            "hits" : {
              "total" : {
                "value" : 1,
                "relation" : "eq"
              },
              "max_score" : null,
              "hits" : [
                {
                  "_index" : "test",
                  "_type" : "_doc",
                  "_id" : "1",
                  "_score" : null,
                  "_source" : {
                    "firstName" : "m",
                    "lastName" : "w",
                    "ltime" : 1475251200000,
                    "htime" : "2021-08-09 12:12:12"
                  },
                  "sort" : [
                    1475251200000
                  ]
                }
              ]
            }
          }
        },
        {
          "key" : 1628597532000,
          "key_as_string" : "2021-08-10 12:12:12",
          "doc_count" : 1,
          "most_bytes" : {
            "hits" : {
              "total" : {
                "value" : 1,
                "relation" : "eq"
              },
              "max_score" : null,
              "hits" : [
                {
                  "_index" : "test",
                  "_type" : "_doc",
                  "_id" : "2",
                  "_score" : null,
                  "_source" : {
                    "firstName" : "m1",
                    "lastName" : "w1",
                    "ltime" : 1475251200000,
                    "htime" : "2021-08-10 12:12:12"
                  },
                  "sort" : [
                    1475251200000
                  ]
                }
              ]
            }
          }
        },
        {
          "key" : 1628683932000,
          "key_as_string" : "2021-08-11 12:12:12",
          "doc_count" : 1,
          "most_bytes" : {
            "hits" : {
              "total" : {
                "value" : 1,
                "relation" : "eq"
              },
              "max_score" : null,
              "hits" : [
                {
                  "_index" : "test",
                  "_type" : "_doc",
                  "_id" : "3",
                  "_score" : null,
                  "_source" : {
                    "firstName" : "m3",
                    "lastName" : "w3",
                    "ltime" : 1475251200000,
                    "htime" : "2021-08-11 12:12:12"
                  },
                  "sort" : [
                    1475251200000
                  ]
                }
              ]
            }
          }
        }
      ]
    }
  }