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https://issues.apache.org/jira/browse/CAY-2282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998481#comment-15998481
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Matt Watson commented on CAY-2282:
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Thanks Nikita.
These flattened/inherited are tricky, but will be really nice when its all
working. I have found other issues regarding inherited relationships but
haven't been able to create a breaking test because of the inconsistency, so I
can't determine the exact cause. Hopefully the work done in 4.1 will take care
of all this.
> Various Update Issues With Vertical Inheritance
> -----------------------------------------------
>
> Key: CAY-2282
> URL: https://issues.apache.org/jira/browse/CAY-2282
> Project: Cayenne
> Issue Type: Bug
> Components: Core Library
> Affects Versions: 4.0.M5
> Reporter: Matt Watson
> Assignee: Nikita Timofeev
> Labels: inheritance, lock, optimistic, relationship, update,
> vertical
> Attachments: breaking_test.patch,
> fixes-2-testUpdateWithOptimisticLocks.patch
>
>
> The two tests in the attached "breaking-test" patch show the two scenarios
> that are broken.
> 1) {{testUpdateTwoObjectsWithMultipleAttributeAndMultipleRelationship}} :
> breaks because of the relationship change. Without changing relationship the
> update actually works fine. But with the relationship change its going
> through {{DataDomainIndirectDiffBuilder.arcDeleted}} and
> {{DataDomainIndirectDiffBuilder.arcCreated}} thus creating flattened Insert
> and Delete statements instead of an UPDATE statement.
> 2) {{testUpdateWithOptimisticLocks}} : breaks because the vertically
> inherited ObjEntity has an attribute using Optimistic Lock for a field that
> is actually on the parent DbEntitity, and the Update query that is built is
> incorrectly referencing the column on the wrong table for the
> {{qualifierExpression}}.
> I actually already have a fix ready for this 2nd issue, but want to get both
> of these issues fixed in this ticket, so anyone helping on this issue please
> focus on fixing the first test.
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