Bogdan Ilchyshyn (
https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%...
) *created* an issue
Hibernate ORM (
https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiY2VmOGE4YmU4...
) / Bug (
https://hibernate.atlassian.net/browse/HHH-17033?atlOrigin=eyJpIjoiY2VmOG...
) HHH-17033 (
https://hibernate.atlassian.net/browse/HHH-17033?atlOrigin=eyJpIjoiY2VmOG...
) Invalid SQL generated when implicit joins are used (
https://hibernate.atlassian.net/browse/HHH-17033?atlOrigin=eyJpIjoiY2VmOG...
)
Issue Type: Bug Affects Versions: 6.2.7 Assignee: Unassigned Attachments:
hibernate-path-sql-issue-.zip Created: 03/Aug/2023 20:40 PM Priority: Major Reporter:
Bogdan Ilchyshyn (
https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%...
)
Consider the following query which uses implicit joins:
select r.id, flr.id, ur1.id, ur2.id, ur3.id from RootEntity r
inner join r.firstLevelReference as flr
left join UnrelatedEntity ur1 on ur1.id = flr.secondLevelReferenceA.id
left join UnrelatedEntity ur2 on ur2.id = flr.secondLevelReferenceB.id
left join UnrelatedEntity ur3 on ur3.id = flr.secondLevelReferenceB.thirdLevelReference.id
Generated SQL is invalid as it references the alias in join conditions before it was
declared:
select
r1_0.id,
r1_0.firstLevelReference_id,
u1_0.id,
u2_0.id,
u3_0.id
from
RootEntity r1_0
join
FirstLevelReferencedEntity f1_0
on f1_0.id=r1_0.firstLevelReference_id
left join
UnrelatedEntity u1_0
on u1_0.id=f1_0.secondLevelReferenceA_id
left join
UnrelatedEntity u2_0
on u2_0.id=f1_0.secondLevelReferenceB_id
left join
UnrelatedEntity u3_0
on u3_0.id=s2_0.thirdLevelReference_id
join
SecondLevelReferencedEntityB s2_0
on s2_0.id=f1_0.secondLevelReferenceB_id
and produces exception:
2023-08-04 13:32:02 WARN SqlExceptionHelper:145 - SQL Error: 42122, SQLState: 42S22
2023-08-04 13:32:02 ERROR SqlExceptionHelper:150 - Column
"S2_0.THIRDLEVELREFERENCE_ID" not found; SQL statement:
This query, however, works on Hibernate 5.x - the generated SQL is valid.
Please see a reproducer attached.
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