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https://issues.apache.org/jira/browse/HIVE-21019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yongzhi Chen updated HIVE-21019:
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    Description: 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.  (was: 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 bug of )

> 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
>
> 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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