Chaoyu Tang created HIVE-14626:
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Summary: 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
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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