A few days ago, I joined a discussion on twitter, that started with a statement, that you should not expose your entities as a REST endpoint except you are creating an application for a stage demo. The reason why I joined that discussion was, that I completely disagreed with that statement and still do! I…
This is the fourth and last part of my series about SQL result set mappings: Result Set Mapping: The Basics Result Set Mapping: Complex Mappings Result Set Mapping: Constructor Result Mappings Result Set Mapping: Hibernate Specific Features In the first post, we had a look at some basic mapping definitions to map the query result to an entity. The…
This is the third part of my series about SQL result set mappings: Result Set Mapping: The Basics Result Set Mapping: Complex Mappings Result Set Mapping: Constructor Result Mappings Result Set Mapping: Hibernate Specific Features In the first post of this series, we had a look at some mapping definition between the query result and one entity….
This is the second part of my SQL result set mappings series. We had a look at some basic result type mappings in the first post Result Set Mapping: The Basics. In this one, we will define more complex mappings that can map a query result to multiple entities and handle additional columns that cannot be mapped to…
Quite often JPQL is not powerful enough to perform the queries we need in real world projects. In general, this is not an issue because JPA is designed as a leaky abstraction and we can use the full potential of SQL by using native queries or calling stored procedures. The only downside is, that these…
