Elasticsearch 类比 mysql 实现 in and like or

Posted 2020-12-21 Bonnie_ξ

 

常用的查询方式类比mysql

     　　<dependency>
            <groupId>org.elasticsearch</groupId>
            <artifactId>elasticsearch</artifactId>
            <version>5.6.1</version>
        </dependency>

        <dependency>
            <groupId>org.elasticsearch.client</groupId>
            <artifactId>transport</artifactId>
            <version>5.6.1</version>
        </dependency>    

 

• and

select * from user where about=‘中华人民共和国‘ and firstName=‘张’

QueryBuilders.boolQuery().must(QueryBuilders.termQuery("about","中华人民共和国")).must(QueryBuilders.termQuery("firstName","张"))

• or

select * from user where about=‘中华人民共和国‘ and firstName=‘王’
QueryBuilders.boolQuery().should(QueryBuilders.termQuery("about","中华人民共和国")).should(QueryBuilders.termQuery("firstName","王"))

• and or 连用

select * from user where  firstName=‘张‘ and( firstName=‘王’ or about=‘中华人民共和国公民‘)

QueryBuilders.boolQuery()
                        .must(QueryBuilders.termQuery("firstName","张"))
                        .must(QueryBuilders.boolQuery()
                                        .should(QueryBuilders.termQuery("firstName","王"))
                                        .should(QueryBuilders.termQuery("about","中华人民共和国公民"))

• like

select * from user where about like ‘%中华%‘


QueryBuilders.wildcardQuery("about","*中华*")

• in

select * from user where about in (‘中华人民共和国‘,‘中华人民共和国公民‘)

QueryBuilders.boolQuery()
                        .should(QueryBuilders.termQuery("about","中华人民共和国"))
                        .should(QueryBuilders.termQuery("about","中华人民共和国公民"))