RestHighLevelClient 多条件 相似度查询
时间: 2023-12-22 16:25:17 浏览: 51
可以使用BoolQueryBuilder来实现多条件查询和相似度查询。示例代码如下:
```
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
boolQueryBuilder.must(QueryBuilders.matchQuery("field1", "value1"));
boolQueryBuilder.must(QueryBuilders.matchQuery("field2", "value2"));
boolQueryBuilder.should(QueryBuilders.matchQuery("field3", "value3"));
boolQueryBuilder.filter(QueryBuilders.matchQuery("field4", "value4"));
boolQueryBuilder.filter(QueryBuilders.matchQuery("field5", "value5").fuzziness(Fuzziness.AUTO));
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
searchSourceBuilder.query(boolQueryBuilder);
SearchRequest searchRequest = new SearchRequest("indexName");
searchRequest.source(searchSourceBuilder);
RestHighLevelClient client = new RestHighLevelClient(
RestClient.builder(new HttpHost("localhost", 9200, "http")));
SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
```
上述代码中,boolQueryBuilder是一个BoolQueryBuilder对象,用于构建多条件查询。其中,must表示必须满足的条件,should表示可选的条件,filter表示过滤条件。在示例代码中,我们使用了matchQuery来实现相似度查询,并且设置了fuzziness参数为AUTO,表示自动计算相似度。
相关推荐
![rar](https://img-home.csdnimg.cn/images/20210720083606.png)
![rar](https://img-home.csdnimg.cn/images/20210720083606.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)