[jira] Updated: (DERBY-4837) Prepare lang.UpdateStatisticsTest for automatic index statistics generation

["Kristian Waagan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-4837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kristian Waagan updated DERBY-4837:
-----------------------------------

    Attachment: derby-4837-2a-disable_auto_istat.diff

Attaching patch 2a, which disables automatic index statistics update.

I removed the second TODO, because the relevant code will still be run even though the automatic update is disabled.
Patch ready for review.

> Prepare lang.UpdateStatisticsTest for automatic index statistics generation
> ---------------------------------------------------------------------------
>
>                 Key: DERBY-4837
>                 URL: https://issues.apache.org/jira/browse/DERBY-4837
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Test
>    Affects Versions: 10.7.1.1
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>            Priority: Minor
>         Attachments: derby-4837-1a-updatestatisticstest_adjustment.diff, derby-4837-2a-disable_auto_istat.diff
>
>
> Rewrite test to use the new index stats helper class.
> Due to timing issues, automatic index statistics generation should be disabled for this test.
> Note that the test case testNoExclusiveLockOnTable should be run with autogen enabled, as it covers an issue with the data dictionary access pattern (discovered during prototyping).

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