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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                # Filter Aggregation(過濾器聚合) 原文鏈接 : [https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filter-aggregation.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations-bucket-filter-aggregation.html) 譯文鏈接 :[Filter Aggregation(過濾器聚合)](/pages/viewpage.action?pageId=10028748) 貢獻者 : @于永超,[ApacheCN](/display/~apachecn),[Apache中文網](/display/~apachechina) ## ?Filter Aggregation(過濾器聚合) 定義當前文檔集上下文中與指定過濾器匹配的所有文檔的單個bucket(桶)。 通常這將用于將當前聚合上下文縮小到一組特定的文檔。 例子: ``` POST /sales/_search?size=0 { "aggs" : { "t_shirts" : { "filter" : { "term": { "type": "t-shirt" } }, "aggs" : { "avg_price" : { "avg" : { "field" : "price" } } } } } } ``` 在上面的例子中,我們計算了type(類型)為t-shirt的所有產品的平均價格。 響應結果: ``` { ... "aggregations" : { "t_shirts" : { "doc_count" : 3, "avg_price" : { "value" : 128.33333333333334 } } } } ```
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