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Re: [jpa-dev] Persistence.NEXT


On Wed, Apr 5, 2023, 2:55 AM Christian Beikov <christian.beikov@xxxxxxxxx> wrote:

Hi,

here are some ideas:

  • Make use of Jakarta Config for configuring JPA properties. We could define interfaces that contain methods for all the JPA configuration properties. Implementations would then read the configuration through that mechanism, if the Config API is on the classpath. This could allow making the persistence.xml optional.
+1 
  • If the supported Java version is upgraded to 17, we could specify that record classes are valid types to use for embeddable types.

As per https://github.com/jakartaee/jakartaee-platform/issues/553#issuecomment-1378504306, the Java version is 21.  

With the huge amount of work left to do for TCK refactoring, we could consider Java version 25 or whatever the LTS is after 21.

Scott 

  • Add support for some SQL constructs: subquery in FROM clause, WITH clause, window functions and ordered set aggregate functions (e.g. listagg), tuples/row value constructor
  • Continue standardizing some SQL functions: extract, format, truncate, left/right, replace, collate, octet_length, pi/radians/degrees, log, tan/sin/cos, tanh/sinh/cosh, atan/atan2/asin/acos, atanh/asinh/acosh, cot/sec/csc

Overall, I don't think we are in need of a new major version.

Regards,

Christian

Am 04.04.2023 um 15:02 schrieb Lukas Jungmann:
Hi,

   with ongoing Jakarta EE 11 planning[1] (discussion[2]), what do you think the Persistence specification should aim for?

   Do we want to provide minor, incremental update to the persistence specification OR is there a preference to do major update giving us an opportunity to do bigger and possibly also some breaking changes?

Thanks,
--lukas


[1]: https://jakartaee.github.io/jakartaee-platform/jakartaee11/JakartaEE11ReleasePlan
[2]: https://docs.google.com/document/d/1m-dkvbL0iFFzitO4vt1SVq6GGSJyFdCDM2NU_FzGS10/edit#heading=h.1oyn459kodrn


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