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https://issues.apache.org/jira/browse/HIVE-16803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chaoyu Tang updated HIVE-16803:
-------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.0
                   3.0.0
           Status: Resolved  (was: Patch Available)

Committed to 3.0.0 and 2.4.0. Thank [~pxiong] for reviewing the patch.

> Alter table change column comment should not try to get column stats for 
> update
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-16803
>                 URL: https://issues.apache.org/jira/browse/HIVE-16803
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>            Reporter: Chaoyu Tang
>            Assignee: Chaoyu Tang
>            Priority: Minor
>             Fix For: 3.0.0, 2.4.0
>
>         Attachments: HIVE-16803.patch
>
>
> When running command like "alter table .. change .." (e.g. ALTER TABLE 
> testtbl CHANGE col col string COMMENT 'change column comment';) to change a 
> column's comment, Hive should not go to fetch the column stats for update 
> since the comment change does not affect table/partition column stats.



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