[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3139) select elements(collection) does not return all composite key segments when used in subquery
select elements(collection) does not return all composite key segments when used in
subquery
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Key: HHH-3139
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3139
Project: Hibernate3
Issue Type: Bug
Components: query-hql
Affects Versions: 3.2.4
Environment: HB 3, Oracle 10g
Reporter: Carl Allain
Priority: Blocker
When dealing with collection of entities having composite keys, elements() seems to return
all key segment columns, which seems fine.
So, in our case (CountrySubdivision has a composite PK, :CTRSD_CD + CTR_ISO_CD), when we
do
select elements(mks.countrySubdivisions) from MarketSegmentPdo mks
it gives this:
select
countrysub1_.CTRSD_CD as col_0_0_,
countrysub1_.CTR_ISO_CD as col_0_1_
from
MKSG_MKS marketsegm0_,
MKSG_MKSCTRSD countrysub1_
where
marketsegm0_.MKS_NRI=countrysub1_.MKS_NRI
while using the same elements() function construct in a subquery, only one PK segment is
included by Hibernate!. So:
from CountrySubdivisionPdo cs where cs.id in (select elements(mks.countrySubdivisions)
from MarketSegmentPdo mks)
gives this:
select
countrysub0_.CTRSD_CD as CTRSD1_65_,
countrysub0_.CTR_ISO_CD as CTR2_65_,
countrysub0_.CTRSD_TS as CTRSD3_65_
from
PLGE_CTRSD countrysub0_
where
(
countrysub0_.CTRSD_CD, countrysub0_.CTR_ISO_CD
) in (
select
countrysub2_.CTRSD_CD <---------------------------------- WHERE is
CTR_ISO_CD???????
from
MKSG_MKS marketsegm1_,
MKSG_MKSCTRSD countrysub2_
where
marketsegm1_.MKS_NRI=countrysub2_.MKS_NRI
)
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