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. ( https://hibernate.atlassian.net/browse/HHH-17033#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-17033#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100233- sha1:06f5c37 )