Elasticsearch查询之Term Query示例解析

GET /{index}/_search
{
    "query": {
        "term": {
            "{field}": "{value}"
        }
    }
}

// TODO 省略导入包
import java.io.IOException;
public class TerMQueryExample {
    public static void main(String[] args) throws IOException {
        RestHighLevelClient client = new RestHighLevelClient(
                RestClient.builder(
                        new HttpHost("localhost", 9200, "http")));
        SearchRequest searchRequest = new SearchRequest("my_index");
        // 这里的searchSourceBuilder 相当于 query:{}
        SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
        // query:{term:{"field_name":"field_value"}}
        searchSourceBuilder.query(QueryBuilders.termQuery("field_name", "field_value"));
        searchSourceBuilder.timeout(new TimeValue(60, TimeUnit.SECONDS));
        searchRequest.source(searchSourceBuilder);
        // 执行查询
        SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
        // TODO: 解析搜索结果
        client.close();
    }
}

GET /{index}/_search
{
    "query": {
        "terms": {
            "{field}": [
                "{value1}",
                "{value2}",
                "{value3}"
            ]
        }
    }
}

SearchRequest searchRequest = new SearchRequest("index");
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
// 注意这里是使用termsQuery("field",value1,value2)
TermsQueryBuilder termsQueryBuilder = QueryBuilders.termsQuery("field", "value1", "value2", "value3");
searchSourceBuilder.query(termsQueryBuilder);
searchRequest.source(searchSourceBuilder);
SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);