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https://issues.apache.org/jira/browse/DERBY-6064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan resolved DERBY-6064.
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Resolution: Fixed
Fix Version/s: 10.9.2.1
Merged the fix into the 10.9 branch with revision 1442552.
Resolving issue.
> Failures in upgradeTests.Changes10_9 related to index cardinality statistics
> ----------------------------------------------------------------------------
>
> Key: DERBY-6064
> URL: https://issues.apache.org/jira/browse/DERBY-6064
> Project: Derby
> Issue Type: Bug
> Components: Test
> Affects Versions: 10.9.1.0
> Reporter: Kristian Waagan
> Assignee: Kristian Waagan
> Fix For: 10.10.0.0, 10.9.2.1
>
> Attachments: derby-6064-1a-istat_upgrade_test_fixes.diff,
> derby-6064-2a-fix_comment.diff
>
>
> The upgrade test fails when run with 10.8.3. The reason is that a fix has
> been backported to 10.8.3, and older branches back to 10.3, and this fix
> invalidates assumptions made in some of the tests in Changes10_9.
> Example of failures:
> https://builds.apache.org/job/Derby-10.9-suites.All/60/testReport/
> As a side note, I'm wondering if we don't have good enough routines to make
> sure we run the upgrade tests with maintenance releases on older branches
> before releasing them. I don't know if we can avoid this situation in
> general, that would at least require very careful consideration on how to
> write the upgrade test.
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