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searchSource Builder.postFilter

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Articles by searchSource Builder.postFilter

elasticsearch高级功能之聚合查询_sumaggregationbuilder_nandao158的博客-CSDN博客

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By searchSource Builder.aggregation, filterAggregation Builder.subAggregation, searchSource Builder.postFilter, termsAggregation Builder.order
| CSDN
elasticsearch高级功能之聚合查询，是比较复杂的的高级功能，其中包含相关的统计功能，比如最大值、最小值、平均值、求和等，又比如筛选完数据后，还需要过滤筛选项，今天我们详细分析一下： 一、聚合指标 1、基本的统计指标 1.1、计算基本类型的平均值 GET /nandao_scenic/_search { "size": 0, "aggs": { "my_agg": { "avg": { "field": "price" } } } } 1.2、计算非基本类型的平均值 GET /nandao_scenic/_search { "size": 0, "aggs": { "my_agg": { "avg": { "field": "comment.properties.good" } } } } java客户端： public void getAvgAggSearch() throws IOException { SearchRequest searchRequest = new SearchRequest(" scenic");//创建搜索请求...
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