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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HIVE-21019) Fix autoColumnStats tests to make auto stats gather possible.
Date Fri, 07 Dec 2018 23:41:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713414#comment-16713414
] 

Vineet Garg edited comment on HIVE-21019 at 12/7/18 11:40 PM:
--------------------------------------------------------------

[~ychena] I don't think it is 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.


was (Author: vgarg):
[~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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