Elasticsearch: aggregation Aggregation可不指定查询条件, 默认查询所有 求和: 以price进行分组 #以price进行分组 get vanilla/_search { "query":{ "match_all": {} }, "aggs":{ "group_price":{ "terms": { "field": "price", "size": 3 # 取分组前三 } } } } # 最大值 get vanilla/_...
boolQueryBuilder.must(rangeQueryBuilder); boolQueryBuilder.must(QueryBuilders.termQuery(ElasticsearchConstants.ES_QUERY_STATUS,3)); boolQueryBuilder.must(QueryBuilders.termQuery(ElasticsearchConstants.ES_QUERY_ENABLE,1)); boolQueryBuilder.must(QueryBuilders.termQuery(ElasticsearchConstants.ES_QUERY_TEMPLATE_S...
Elasticsearch Aggregation-从找到的文档返回数组列表 我正在使用聚合功能查询时间序列数据。要查询的数据具有分类性质。我首先使用日期直方图来创建存储桶。从这些生成的bucket中,我希望从找到的文档中提取实际值,形成一个数组。 解决方案的一个解决方案可能是在aggs对象中推送hits对象。也不知道怎么做。 The query: GET ...
"query": { "multi_match": { "query": "TEXT", "fields": ["FIELD1", " FIELD12"] } } } 1. 2. 3. 4. 5. 6. 7. 8. 9. (2)精确查询 精确查询一般是查找keyword、数值、日期、boolean等类型字段。所以不会对搜索条件分词。常见的有: term:根据词条精确值查询 range:根据值的范围查询 精确...
这里需要注意的是payerId这个doc的属性在实际构造的Aggregation query 中变成了payerId.keyword,Elasticsearch 默认对于分词的字段(text类型)不支持聚合,会报出 "Fielddata is disabled on text fields by default. Set fielddata=true"的错误. fielddata聚合是一个非常costly的运算,一般不建议使用. 好在Elasticsearch索引...
In the above example, the AggregationBuilders.sum method is used to create a sum aggregation. The “agg” parameter is the name of the aggregation, and “field” is the name of the field to aggregate. Conclusion As shown in this article, the Elasticsearch Query Builder is a very powerful ...
import org.elasticsearch.client.transport.TransportClient; import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.transport.InetSocketTransportAddress; import org.elasticsearch.index.query.QueryBuilders; import org.elasticsearch.search.SearchHit; ...
Elasticsearch - Terms Aggregation for nested field in, That would be query to aggregate using raw field: Elasticsearch Terms or Cardinality Aggregation - Order by number of distinct values. 3. ElasticSearch terms aggregation on tokenized field. 3. How to get the parent document in a nested top_...
简介:Elasticsearch:significant terms aggregation 作者:刘晓国 在本文中,我们将重点关注significant terms和significant text聚合。这些聚合旨在搜索数据集中有趣和/或不寻常的术语,这些术语可以告诉您有关数据的隐藏属性的更多信息。此功能对于以下用例特别有用: ...
in elasticsearch.yml. With this set to 1, I see ordering by the metric sub aggregate always sorting in ascending order! Leaving it blank (or setting it to 2 or higher) means that the descending order works as expected. So, I think that's a bug. At least I wasn't doing something da...