思路一:根据sku销量排序,分页,业务上不是很精准==>sort:根据sale_volume销量排序,collapse:根据spuId去重得到去重后的记录,配合"from": 0, "size": 10分页得到结果,cardinality:根据spuId得到去重统计结果,即列表spu数据的总数total。 思路二:根据spu销量排序,分页,业务上精准(相当于先
TermsAggregationBuilder termsAggregationBuilder = AggregationBuilders.terms(termsAggName).field("city"); BucketOrder bucketOrder = BucketOrder.key(true); termsAggregationBuilder.order(bucketOrder); String topHitsAggName="my_top";//聚合的名称 TopHitsAggregationBuilder topHitsAgg = AggregationBuilders.topH...
Some shortcomings when Using Elasticsearch Collapse Probably the biggest shortcoming would be that it is impossible to know in advance how many collapsed groups exist. For that, a high precision `cardinality` aggregation would be in order, or a `terms` aggregation with a large size, but this la...
searchSourceBuilder.collapse(newCollapseBuilder("name.keyword")); 但是有个问题,就是hits的total value不对,对应的还是未去重的数量,其实想要的是去重后的总数 可以借助 Aggregation 中的cardinality来实现 java API SearchSourceBuildersearchSourceBuilder=newSearchSourceBuilder();AggregationBuilderaggregation=Aggregation...
使用collapse进行去重:collapse是Elasticsearch 7.x版本引入的新特性,可以根据指定的字段进行去重,并返回每个去重字段的最相关的文档。例如,可以根据商品ID字段对数据进行去重,并返回每个商品的最新一条数据。 推荐的腾讯云相关产品:腾讯云ES(Elasticsearch Service) 产品介绍链接地址:https://cloud.tencent.com/product/es ...
collapse+cardinality实现分页去重查询 GET my_order/_search { "from": 0, "size": 6, "track_total_hits": true, "query": { "bool": { "must": [ { "terms": { "tenant_id": [ 1, 2, 3, 4 ] } } ] } }, "aggs": { "cidAgg": { "cardinality": { "field": "cid" } } ...
SearchSourceBuilder searchSourceBuilder=newSearchSourceBuilder();searchSourceBuilder.collapse(newCollapseBuilder("name.keyword")); 但是有个问题,就是hits的total value不对,对应的还是未去重的数量,其实想要的是去重后的总数 可以借助 Aggregation 中的cardinality来实现 ...
GET idx_local_sku_shop_fat/_search { "query": { "bool": { "must": [ { "term": { "delete": { "value": false } } } ] } }, "from":0, "size": 10, "sort": [], "collapse": { "field": "merchantId", "inner_hits":{ "name":"top_rate", "size":2, "sort": [ ...
"collapse": { "field": "year", "inner_hits": { "name": "year_results",tgcode"_source": [ "text", "year" ] } }, "_source": [ "text", "topic" ] } 分页 – pagination 正如文档中所述,复合检索器也支持分页。与 standard 查询相比,复合检索器有一个显著的区别,与上面的折叠类似,rank...
searchSourceBuilder.collapse(new CollapseBuilder("name.keyword")); 1. 2. 但是有个问题,就是hits的total value不对,对应的还是未去重的数量,其实想要的是去重后的总数 可以借助 Aggregation 中的cardinality来实现 java API SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder(); ...