[hibernate-dev] HHH-9329

Steve Ebersole steve at hibernate.org
Fri Sep 23 13:36:33 EDT 2016 

Well again we were just talking about HHH-10707 and you asked "will it be
integrated upstream"...

I can tell by your reaction that you really were asking whether *your*
change would be integrated upstream, but that was not obviously from your
email :)


On Fri, Sep 23, 2016 at 12:32 PM Christian Beikov <
christian.beikov at gmail.com> wrote:

> Is the fix I proposed in my PR(
> https://github.com/hibernate/hibernate-orm/pull/1561) non-compatible?
> Did I miss discussion about that somewhere or didn't you have time to
> review that yet?
>
>
> Am 23.09.2016 um 18:50 schrieb Steve Ebersole:
>
> Depends on the "fix" we all agree on.  Mainly whether that leads to any
> non-compatible SPI changes.
>
>
> On Fri, Sep 23, 2016 at 11:41 AM Christian Beikov <
> christian.beikov at gmail.com> wrote:
>
>> Ahh okay, I see. Sorry, I didn't fully read my previous mail and forgot I
>> asked that question ^^
>> Well then I'll try upgrading to 5.2 and hope for the best :)
>>
>> So are you considering merging that to 5.2 then?
>>
>>
>>
>> Am 23.09.2016 um 18:36 schrieb Steve Ebersole:
>>
>> Nope.  You asked:
>>
>> Are the problems with Hibernate 5.1+ and Infinispan fixed yet? I didn't
>> consider upgrading yet because I read of some issues.
>>
>> Now its possibly I misread your reference to HIbernate+Infinispan
>> problems to mean the only ones I know of. hence the HHH-10707 reference.
>> If you meant some other "Hibernate 5.1+ and Infinispan" problem, then I
>> guess you could have been more specific ;)
>>
>>
>>
>> On Fri, Sep 23, 2016 at 11:33 AM Christian Beikov <
>> christian.beikov at gmail.com> wrote:
>>
>>> Wrong thread?
>>>
>>>
>>> Am 23.09.2016 um 17:53 schrieb Steve Ebersole:
>>>
>>> There are some conceptual mismatch problem that IMO stem from the L2C
>>> SPI.  We are discussing that all as part of
>>> https://hibernate.atlassian.net/browse/HHH-10707
>>>
>>> Whether that affects you really depends how you configure caching.  If
>>> you try to reuse regions for different types of data (entity, collection,
>>> etc) then it will affect you.  If you define different access strategies
>>> for the same region then it will affect you.
>>>
>>>
>>> On Fri, Sep 23, 2016 at 1:02 AM Christian Beikov <
>>> christian.beikov at gmail.com> wrote:
>>>
>>>> Well to be fair, I already reported that this "regression" was
>>>> introduced in 4.2.8 by placing the ON predicate on the target table join
>>>> instead of the collection table join as was done before in 4.2.7.SP1.
>>>> I am not using 4.x anymore but since Wildfly ships with Hibernate 5.0, I
>>>> suppose that others could benefit from this too.
>>>> Are the problems with Hibernate 5.1+ and Infinispan fixed yet? I didn't
>>>> consider upgrading yet because I read of some issues.
>>>>
>>>>
>>>> Regards,
>>>> Christian
>>>>
>>>> Am 22.09.2016 um 22:10 schrieb Gail Badner:
>>>> > Hi Christian,
>>>> >
>>>> > We are only backporting critical issues and regressions to 5.0 at this
>>>> > point, so it can't be backported to 5.0. If no regressions caused by
>>>> > this fix are reported in 5.2, I would consider backporting to 5.1.
>>>> >
>>>> > Regards,
>>>> > Gail
>>>> >
>>>> > On Wed, Sep 21, 2016 at 12:14 AM, Christian Beikov
>>>> > <christian.beikov at gmail.com <mailto:christian.beikov at gmail.com>>
>>>> wrote:
>>>> >
>>>> >     Thanks, I know that it's a beauty ^^
>>>> >     Hope this can get into all 5.x branches?
>>>> >
>>>> >     Regards,
>>>> >     Christian
>>>> >     Am 20.09.2016 um 23:05 schrieb Steve Ebersole:
>>>> >     > I took a quick look.  I'd prefer to see better solution as we
>>>> >     migrate
>>>> >     > to SQM; but for 5.x, given how Hibernate generates SQL there, I
>>>> >     am not
>>>> >     > sure how else you would possibly do this
>>>> >     >
>>>> >     >
>>>> >     > On Tue, Sep 20, 2016 at 12:54 PM Vlad Mihalcea
>>>> >     > <mihalcea.vlad at gmail.com <mailto:mihalcea.vlad at gmail.com>
>>>> >     <mailto:mihalcea.vlad at gmail.com <mailto:mihalcea.vlad at gmail.com
>>>> >>>
>>>> >     wrote:
>>>> >     >
>>>> >     >     Thanks,
>>>> >     >
>>>> >     >     I'm going to review it tomorrow.
>>>> >     >
>>>> >     >     Vlad
>>>> >     >
>>>> >     >     On Tue, Sep 20, 2016 at 8:38 PM, Christian Beikov <
>>>> >     >christian.beikov at gmail.com <mailto:christian.beikov at gmail.com>
>>>> >     <mailto:christian.beikov at gmail.com
>>>> >     <mailto:christian.beikov at gmail.com>>> wrote:
>>>> >     >
>>>> >     >     > Hey again,
>>>> >     >     >
>>>> >     >     > I implemented the approach that I proposed in the issue
>>>> and a
>>>> >     >     test in
>>>> >     >     > https://github.com/hibernate/hibernate-orm/pull/1561
>>>> >     <https://github.com/hibernate/hibernate-orm/pull/1561>
>>>> >     >     >
>>>> >     >     > It detects left joins with join tables that use the target
>>>> >     table
>>>> >     >     alias.
>>>> >     >     > The join table is replaced with a subquery and the WITH
>>>> clause
>>>> >     >     is moved
>>>> >     >     > to the join of the subquery.
>>>> >     >     >
>>>> >     >     > Any comments?
>>>> >     >     >
>>>> >     >     > Regards,
>>>> >     >     > Christian
>>>> >     >     > _______________________________________________
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>>>> >     >     >
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