Result Set Mapping In Jpa. The core functionality here involves mapping result sets from database SQL statements into Java objects. Resultset Mapping With Two Entities.
However the SqlResultSetMapping annotation is the most flexible approach as you can use it to fetch DTOs entities or scalar column values. Resultset Mapping With Two Entities. Cast Result List To Generic Collection.
These provide a functionality similar to the JPQL constructor expressions and map the result of a query to constructor calls.
You can use the JPQL constructor expression or fetch the results as a Tuple. Sql ResultSet Mapping For Hierarchical Entity. Before we look at its usage lets do some setup. Resultset Mapping With Two Entities.