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Hello all,
Is HQL a superset of JPQL or a completely different language?
I’m asking because I’m currently adding JPAQL constructions to HQL (see HHH-9342 and
HHH-9345), and I want to be sure it is the right thing to do.
Since the reference documentation doesn’t say anything about JPQL, I suspect the former
(HQL superset of JPQL), but I’d like to be sure.
Regards,
--
Etienne Miret
Hi Etienne,
2014-08-17 9:07 GMT+02:00 Etienne Miret <etienne.miret(a)ens-lyon.org>:
Hello all,
Is HQL a superset of JPQL or a completely different language?
Yes, HQL is a superset.
I’m asking because I’m currently adding JPAQL constructions to HQL (see
HHH-9342 and HHH-9345), and I want to be sure it is the right thing to do.
Since the reference documentation doesn’t say anything about JPQL, I
suspect the former (HQL superset of JPQL), but I’d like to be sure.
The Developer Guide [1] has this to say:
"The Hibernate Query Language (HQL) and Java Persistence Query Language
(JPQL) are both object model focused query languages similar in nature to
SQL. JPQL is a heavily-inspired-by subset of HQL. A JPQL query is always a
valid HQL query, the reverse is not true however."
Hth,
--Gunnar
[1] https://docs.jboss.org/hibernate/orm/4.3/devguide/en-US/html/ch11.html
Regards,
--
Etienne Miret
_______________________________________________
hibernate-dev mailing list
hibernate-dev(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/hibernate-dev
Hi Gunnar,
Thank you for your reply, and sorry I missed the answer in the Developer Guide. I’ll
search it more carefully next time.
Regards,
--
Etienne Miret
Hi Etienne,
don't worry, it's actually great to know that you're working on that.
Always welcome to ask!
Cheers,
Sanne
On 17 August 2014 12:18, Etienne Miret <etienne.miret(a)ens-lyon.org> wrote:
Hi Gunnar,
Thank you for your reply, and sorry I missed the answer in the Developer Guide. I’ll
search it more carefully next time.
Regards,
--
Etienne Miret
_______________________________________________
hibernate-dev mailing list
hibernate-dev(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/hibernate-dev
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Etienne Miret -
Gunnar Morling -
Sanne Grinovero