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https://issues.apache.org/jira/browse/HIVE-14626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468005#comment-15468005
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Chaoyu Tang commented on HIVE-14626:
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Thanks [~spena] for review. I am not quite sure about Hive on S3, does it
support something like encryption zone and trash? If not, will it possible to
delete/recreate the directory in S3?
> Support Trash in Truncate Table
> -------------------------------
>
> Key: HIVE-14626
> URL: https://issues.apache.org/jira/browse/HIVE-14626
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Priority: Minor
> Attachments: HIVE-14626.patch
>
>
> Currently Truncate Table (or Partition) is implemented using
> FileSystem.delete and then recreate the directory, so
> 1. it does not support HDFS Trash
> 2. if the table/partition directory is initially encryption protected, after
> being deleted and recreated, it is no more protected.
> The new implementation is to clean the contents of directory using
> multi-threaded trashFiles. If Trash is enabled and has a lower encryption
> level than the data directory, the files under it will be deleted. Otherwise,
> they will be Trashed
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