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https://issues.apache.org/jira/browse/HIVE-13629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15268904#comment-15268904
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zhihai xu commented on HIVE-13629:
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[~sershe], thanks for the review and committing the patch!
> Expose Merge-File task and Column-Truncate task from DDLTask
> ------------------------------------------------------------
>
> Key: HIVE-13629
> URL: https://issues.apache.org/jira/browse/HIVE-13629
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Affects Versions: 2.0.0
> Reporter: zhihai xu
> Assignee: zhihai xu
> Attachments: HIVE-13629.000.patch
>
>
> DDLTask will create subtask in mergeFiles and truncateTable to support
> HiveOperation.TRUNCATETABLE, HiveOperation.ALTERTABLE_MERGEFILES and
> HiveOperation.ALTERPARTITION_MERGEFILES.
> It will be better to expose the tasks which are created at function
> mergeFiles and truncateTable from class DDLTask to users.
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