ES 查询示例 搜索 分组 去重 分页 排序

es 查询示例 搜索 分组 去重 分页 排序
java 语句

  @Autowired
    private static RestHighLevelClient client;
    @PostConstruct
    public void init() {
        client = this.restHighLevelClient;
    }


	try{
  		BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
        boolQueryBuilder.must(QueryBuilders.rangeQuery("timestampStr").gte(startTime));
        boolQueryBuilder.must(QueryBuilders.rangeQuery("timestampStr").lte(now));
        boolQueryBuilder.must(QueryBuilders.wildcardQuery("orgCode.keyword", "**" + orgCode + "**"));
  		//索引  
  		List indexes = Collections.singletonList(BizConstants.VAG_DETECTION_CODE_RECORD_INDEX);
  		SearchRequest request = new SearchRequest(indexes.toArray(new String[indexes.size()]));
  		SearchSourceBuilder searchSourceBuilder = (new SearchSourceBuilder()).trackTotalHits(true);
  		//添加查询条件
        searchSourceBuilder.query(boolQueryBuilder);
        //查询的条数
        searchSourceBuilder.size(1);
         //根据 attributeName  分组  可以多字段分组  增加一组 .subAggregation()
        TermsAggregationBuilder imsiNum = AggregationBuilders.terms("countNum").field("attributeName.keyword").size(30)
        			//在分组的基础上imsi 去重
                    .subAggregation(AggregationBuilders.cardinality("imsiNum").field("imsi.keyword"));
         searchSourceBuilder.aggregation(imsiNum);
         //排序
         searchSourceBuilder.sort(((new FieldSortBuilder("timestampStr")).order(SortOrder.DESC)).unmappedType("long"));
         //分页
         searchSourceBuilder.from(0).size(2);
         request.source(searchSourceBuilder);
         SearchResponse response = client.search(request, RequestOptions.DEFAULT);
         if (response.status().getStatus() == 200) {
                //搜索结果
                List aggregations = response.getAggregations().asList();
                if (CollectionUtils.isEmpty(aggregations)) {
                    return null;
                }
                Object object = aggregations.get(0);
                List buckets;
                //ParsedStringTerms 查询的返回值类型  取适用结果的类型
                if (object instanceof ParsedStringTerms) {
                    ParsedStringTerms stringTerms = (ParsedStringTerms)object;
                    buckets = stringTerms.getBuckets();
                    buckets.stream().forEach((e) -> {
                        //e.getKey() 为分组的值 e.getDocCount() 为分组的计数
                        //取去重的数值
                        List imsiAgg = e.getAggregations().asList();
                        if(!CollectionUtils.isEmpty(imsiAgg) && imsiAgg.get(0) instanceof ParsedCardinality){
                            ParsedCardinality imsiParse = (ParsedCardinality)imsiAgg.get(0);
                            //imsiParse.getValue()  为去重的计数
                        }
                    });
                }
            }
        } catch (Exception var21) {
            var21.printStackTrace();
        }          

es搜索语句

GET vag_detection_code_record_index/_search
{
    "from":0,
    "size":2,
    "query":{
        "bool":{
            "must":[
                {
                    "range":{
                        "timestampStr":{
                            "from":1645173471,
                            "to":null,
                            "include_lower":true,
                            "include_upper":true,
                            "boost":1
                        }
                    }
                },
                {
                    "range":{
                        "timestampStr":{
                            "from":null,
                            "to":1645778271,
                            "include_lower":true,
                            "include_upper":true,
                            "boost":1
                        }
                    }
                }
            ],
            "adjust_pure_negative":true,
            "boost":1
        }
    },
    "sort":[
        {
            "timestampStr":{
                "order":"desc",
                "unmapped_type":"long"
            }
        }
    ],
    "track_total_hits":2147483647,
    "aggregations":{
        "countNum":{
            "terms":{
                "field":"attributeName.keyword",
                "size":3,
                "min_doc_count":1,
                "shard_min_doc_count":0,
                "show_term_doc_count_error":false,
                "order":[
                    {
                        "_count":"desc"
                    },
                    {
                        "_key":"asc"
                    }
                ]
            },
            "aggregations":{
               "imsiNum": {
                  "cardinality": {
                   "field": "imsi.keyword"
              }
              } 
            }
        }
    }
}

es搜索结果

{
  "took" : 236,
  "timed_out" : false,
  "_shards" : {
    "total" : 3,
    "successful" : 3,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1226108,
      "relation" : "eq"
    },
    "max_score" : null,
    "hits" : [
      {
        "_index" : "vag_detection_code_record_index",
        "_type" : "_doc",
        "_id" : "39736326",
        "_score" : null,
        "_source" : {
          "orgCode" : "431003002004",
          "attributeName" : "湖南 郴州",
          "id" : 39736326,
          "timestamp" : 1645778271,
          "genericClass" : "class java.lang.Long",
          "threeUpdateTime" : null,
          "updateTime" : null,
          "timestampStr" : 1645778271
        },
        "sort" : [
          1645778271
        ]
      },
      {
        "_index" : "vag_detection_code_record_index",
        "_type" : "_doc",
        "_id" : "39736325",
        "_score" : null,
        "_source" : {
          "imsi" : "460002502631473",
          "attributeName" : "湖南 郴州",   
          "id" : 39736325,
          "timestamp" : 1645778270,
          "genericClass" : "class java.lang.Long",
          "cameraId" : 740921880386469919,
          "createTime" : "2022-02-25T16:34:23.022Z",     
          "crossingId" : "4310030006",
          "timestampStr" : 1645778270
        },
        "sort" : [
          1645778270
        ]
      }
    ]
  },
  "aggregations" : {
    "countNum" : {
      "doc_count_error_upper_bound" : 13975,
      "sum_other_doc_count" : 551580,
      "buckets" : [
        {
          "key" : "湖南 郴州",
          "doc_count" : 544313,
          "imsiNum" : {
            "value" : 54835
          }
        },
        {
          "key" : "",
          "doc_count" : 80852,
          "imsiNum" : {
            "value" : 9450
          }
        },
        {
          "key" : "北京",
          "doc_count" : 49363,
          "imsiNum" : {
            "value" : 6689
          }
        }
      ]
    }
  }
}