The sixth iteration of OpenJPA 2.0 is complete! Content of this iteration is based upon the 03/13/2009 draft of the JPA 2.0 specification. This iteration contains these new features:
With the completion of iteration 6, OpenJPA includes several additional JPA 2.0 (based on the 03/13/2009 spec draft) features. Here is a summary of the new features provided by OpenJPA:
- Query timeout detection for additional databases. Query timeouts are more accurately detected and reported in DB2, Oracle, SQL Server, and Informix.
- Support for scalar expressions in JPQL subqueries. Scalar expressions such as substring can now be used within a subquery.
- Support for explicit access types on persistent types. The persistence access method can now be specified on a per-type and field or method level.
- Spec related updates to OrderColumn and EntityManager methods.
- JPQL queries now support key/value paths as arguments to scalar functions. KEY() and VALUE() can now be used to indicate that a map key or value should be used as an argument to a scalar function.
These new features are available in the latest nightly snapshot build. Be aware that the JPA 2.0 specification is not final so these features are subject to change.
Many thanks to those who contributed to this iteration! If you'd like to be a contributor to the OpenJPA project, please post your interest on the dev mailing list or contact one of the active committers.
-Jeremy