ElasticSearch聚合查詢

ElasticSearch聚合查詢

1.group distinct

參數：Set

返回結果：Map<Long, Set>

select distinct(playCategory) group by uid

{
  "from": 0,
  "size": 1,
  "query": {
    "bool": {
      "filter": [
        {
          "terms": {
            "uid": [
              "1835212121800011",
              "1835212105600007"
            ],
            "boost": 1
          }
        }
      ],
      "adjust_pure_negative": true,
      "boost": 1
    }
  },
  "_source": {
    "includes": [
      "playCategory.keyword"
    ],
    "excludes": []
  },
  "aggregations": {
    "group_info": {
      "terms": {
        "field": "uid"
      },
      "aggregations": {
        "distinct_info": {
          "terms": {
            "field": "playCategory.keyword"
          }
        }
      }
    }
  }
}

查詢結果如下

{
  "took": 2,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "skipped": 0,
    "failed": 0
  },
  "hits": {
    "total": 267,
    "max_score": 0,
    "hits": [
      {
        "_index": "bixin_playmate_order",
        "_type": "bixin_playmate_order",
        "_id": "50942322",
        "_score": 0,
        "_source": {

        }
      }
    ]
  },
  "aggregations": {
    "group_info": {
      "doc_count_error_upper_bound": 0,
      "sum_other_doc_count": 0,
      "buckets": [
        {
          "key": 1835212121800011,
          "doc_count": 221,
          "distinct_info": {
            "doc_count_error_upper_bound": 0,
            "sum_other_doc_count": 0,
            "buckets": [
              {
                "key": "d2525eb038dfcf29ae1d3d2eb65d076c",
                "doc_count": 78
              },
              {
                "key": "c",
                "doc_count": 63
              },
              {
                "key": "587b8da9b832b013e2aca3e171aae07c",
                "doc_count": 43
              },
              {
                "key": "b2f36bbf94624eda70367bb5146e8bcf",
                "doc_count": 22
              },
              {
                "key": "8efb76c4477637c4c70352b8ce2be686",
                "doc_count": 8
              },
              {
                "key": "471028758308978688",
                "doc_count": 3
              },
              {
                "key": "bf78dd67d648dc541dff0dc86f8af718",
                "doc_count": 2
              },
              {
                "key": "08f02ad405f2433f81774780c5f45a73",
                "doc_count": 1
              },
              {
                "key": "8efb76c4477637c4c70352b8ce2be687",
                "doc_count": 1
              }
            ]
          }
        },
        {
          "key": 1835212105600007,
          "doc_count": 46,
          "distinct_info": {
            "doc_count_error_upper_bound": 0,
            "sum_other_doc_count": 0,
            "buckets": [
              {
                "key": "d2525eb038dfcf29ae1d3d2eb65d076c",
                "doc_count": 16
              },
              {
                "key": "8efb76c4477637c4c70352b8ce2be686",
                "doc_count": 12
              },
              {
                "key": "bf78dd67d648dc541dff0dc86f8af718",
                "doc_count": 9
              },
              {
                "key": "b2f36bbf94624eda70367bb5146e8bcf",
                "doc_count": 6
              },
              {
                "key": "067aeaa0542ebd54881f1de5ac66ae0b",
                "doc_count": 1
              },
              {
                "key": "471028758308978688",
                "doc_count": 1
              },
              {
                "key": "bfd0af06fe612a5e7348b5718d1da7a2",
                "doc_count": 1
              }
            ]
          }
        }
      ]
    }
  }
}