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    文章目录一,基本概念主要聚合类型二,实战1,搜索address中包含mill的所有人的年龄分布以及平均年龄,但不显示这些人的详情2,按照年龄聚合,并且请求每个年龄的平均薪资Elasticsearch的聚合(Aggregations)功能允许用户对数据集进行聚合分析,从而获得数据的摘要信息。聚
  • 2023-09-05ES中reverse_nested+sum+bucket_sort
    记一次嵌套sum聚合的排序DSL场景:根据nested_gs2Entity.kw_entity聚合,filter对聚合结果过滤类型是产品,实体是需要关心的产品列表,在结果中sum互动量long_interaction,和花费long_paidPrice然后在结果中根据sum的结果排序{"aggregations":{"agg_entity_a":{"aggre
  • 2023-06-15Elasticsearch专题精讲—— Aggregations —— Metrics aggregations(度量聚合)
    Aggregations——Metricsaggregations(度量聚合)https://www.elastic.co/guide/en/elasticsearch/reference/8.8/search-aggregations-metrics.html#search-aggregations-metricsTheaggregationsinthisfamilycomputemetricsbasedonvaluesextractedinone
  • 2023-06-14Elasticsearch专题精讲—— Aggregations(聚合)
    Aggregations(聚合)https://www.elastic.co/guide/en/elasticsearch/reference/8.8/search-aggregations.html#search-aggregationsAnaggregationsummarizesyourdataasmetrics,statistics,orotheranalytics.Aggregationshelpyouanswerquestionsl
  • 2023-01-1936-ElasticSearch-aggregations(执行聚合)
    聚合提供了从数据中分组和提取数据的能力。最简单的聚合方法大致等于SQLGROUPBY和SQL聚合函数。在Elasticsearch中,您有执行搜索返回hits(命中结果),并且同时返回聚
  • 2022-12-07aggregations、bucket_sort、top_hits
    以下语句的含义是,从es中查询在指定时间(snapshotTime)范围内的数据,并且将数据按车牌进行分组统计(carPlateNumber),并且进行分页(bucket_sort),每组显示一条数据详情(top_hits
  • 2022-10-23Elasticsearch SpringBoot 整合 复杂检索
    官方文档:https://www.elastic.co/guide/en/elasticsearch/client/java-rest/current/java-rest-high-search.html一、例子packagecom.atguigu.gulimall.search;imp
  • 2022-10-09记一次es restAPI的filters聚合
    pointMap.forEach((provinceName,points)->{GeoPolygonQueryBuilderpolygonFilterBuilder=QueryBuilders.geoPolygonQuery("location",points);FiltersAggr