java - 在elasticsearch中构建复合查询

Question

我试图在elasticsearch中使用BoolQueryBuilder搜索以下案例

 select * from students where (name = "XXX" and rollno = 1) or (name = "YYY" and rollno = 2)

我必须为其构建查询生成器。

任何人都可以建议我使用 BoolQueryBuilder 来构建查询。

ElasticSearch 6.1.2

非常感谢任何帮助。

Answer 1

这是用于构建 BooleanQueryBuilder 条件的 java api

        BoolQueryBuilder booleanQuery = QueryBuilders.boolQuery();
        booleanQuery.must(QueryBuilders.termQuery("name", "XXX"));
        booleanQuery.must(QueryBuilders.termQuery("rollno", 1));

        BoolQueryBuilder booleanQuery2 = QueryBuilders.boolQuery();
        booleanQuery2.must(QueryBuilders.termQuery("name", "YYY"));
        booleanQuery2.must(QueryBuilders.termQuery("rollno", 2));

        BoolQueryBuilder boolQueryBuilder3 = QueryBuilders.boolQuery();
        boolQueryBuilder3.should(booleanQuery2);
        boolQueryBuilder3.should(booleanQuery);