**[Kazuki Shimizu](https://jira.spring.io/secure/ViewProfile.jspa?name=kazuki43zoo)** opened **[DATAJDBC-172](https://jira.spring.io/browse/DATAJDBC-172?redirect=false)** and commented In current implementation, the `@Query` method does not support entity type, `java.util.Optional`), nor `java.util.stream.Stream` as return type. I will supports various types. --- **Affects:** 1.0 M1 (Lovelace) **Referenced from:** commits https://github.com/spring-projects/spring-data-jdbc/commit/7ed2ed7d7e55789c6e772a3f290f8c95b3dfd5b9, https://github.com/spring-projects/spring-data-jdbc/commit/30651606b81e580a39eb5161a831a439a1325f53, https://github.com/spring-projects/spring-data-jdbc/commit/6f6499026a4b79b58a4b71dcefef45968f40c711