注释查询并仅返回带有弹性数据弹性搜索的特定嵌套字段
版本:
springboot:2.1.7。发布
spring-data-elasticsearch:2.1.7.RELEASE
elasticsearch:6.5.4
文档:
@Data
@Document(indexName = "test_book", type = "test_book")
public class Book {
@Id
private String id;
private String name;
private LocalDateTime time;
/**
*
*/
private Publishing publishing;
/**
*
*/
private Author author;
}
存储库:
public interface BookRepository extends ElasticsearchRepository<Book,String> {
@Query("{" +
"\"_source\": {" +
" \"includes\": " +
" [ \"name\"]" +
"}," +
"\"bool\" : {" +
" \"must\" : [{" +
" \"term\" : {" +
" \"id.keyword\" : \"?0\"" +
" }" +
" }]" +
" }" +
"}")
Book queryBookNameById(String id);
}
我只想获取名称的数据,这样可以相对节省内存资源。但是我有一个错误,我不能这样使用吗?还是只能使用elasticsearchTemplate?
ParsingException[no [query] registered for [_source]
]
at org.elasticsearch.index.query.AbstractQueryBuilder.parseInnerQueryBuilder(AbstractQueryBuilder.java:332)
at org.elasticsearch.index.query.WrapperQueryBuilder.doRewrite(WrapperQueryBuilder.java:165)
at org.elasticsearch.index.query.AbstractQueryBuilder.rewrite(AbstractQueryBuilder.java:279)
at org.elasticsearch.search.builder.SearchSourceBuilder.rewrite(SearchSourceBuilder.java:921)
at org.elasticsearch.search.builder.SearchSourceBuilder.rewrite(SearchSourceBuilder.java:80)
at org.elasticsearch.index.query.Rewriteable.rewriteAndFetch(Rewriteable.java:97)
at org.elasticsearch.index.query.Rewriteable.rewriteAndFetch(Rewriteable.java:87)
at org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:215)
at org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:68)
at org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:167)
at org.elasticsearch.xpack.security.action.filter.SecurityActionFilter.apply(SecurityActionFilter.java:126)
......
答案 0 :(得分:0)
当前不适用于仓库的@Query
注释。 Spring Data Elasticsearch会将注释的值包装为 query 值,因此将_source
部分包含在查询中。
我们需要将其他参数添加到注释(includes
和excludes
)中,以便能够建立正确的查询并使其正常工作。我将为此创建一个Jira问题来跟踪此功能请求。