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https://issues.apache.org/jira/browse/HIVE-21019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713414#comment-16713414
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Vineet Garg commented on HIVE-21019:
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[~ychena] I don't think it is not a good idea to turn off the optimization in
tests. We should fix the underlying issue. I am closing this and marking it as
duplicate of HIVE-16100 since that fixes the problem.
> Fix autoColumnStats tests to make auto stats gather possible.
> -------------------------------------------------------------
>
> Key: HIVE-21019
> URL: https://issues.apache.org/jira/browse/HIVE-21019
> Project: Hive
> Issue Type: Bug
> Components: Test
> Affects Versions: 4.0.0
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Priority: Major
> Attachments: HIVE-21019.1.patch
>
>
> Before https://issues.apache.org/jira/browse/HIVE-20915 , the optimizer sort
> dynamic partitions is turn off for these tests. So these test can have group
> by in the query plan which can trigger compute statistics. After the jira,
> the optimizer is enabled, because of a a known bug with dynamic sorted
> partition optimization (HIVE-16100), the computer statistics does not happen.
> Fix the tests to disable the optimizer to test the same code path as before.
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