spring jpa
named query
https://attacomsian.com/blog/spring-data-jpa-named-queries
Spring JPA 参考手册
https://vincentmi.gitbooks.io/spring-jpa-reference-zh/jpa_repository.html
JPA JPQL查詢語法
https://matthung0807.blogspot.com/2018/06/jpa-jpql.html
JPA 2.1 將native sql的query relust型態轉換成POJO的方法
http://saminjava.blogspot.com/2017/06/jpa-21-native-sqlquery-relustpojo.html