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https://issues.apache.org/jira/browse/HIVE-13629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260887#comment-15260887
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zhihai xu commented on HIVE-13629:
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yes, It will help Hive Hook get more information from DDLTask. The hook
function exposes all completed task from method getCompleteTaskList. If the
task is DDLTask, it will be good for users to get the subtask information for
HiveOperation.TRUNCATETABLE, HiveOperation.ALTERTABLE_MERGEFILES and
HiveOperation.ALTERPARTITION_MERGEFILES. One Very useful information is the
jobID.
> 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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