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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18739) Add support for Export from Acid table
Date Mon, 26 Mar 2018 19:15:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414349#comment-16414349
] 

Eugene Koifman commented on HIVE-18739:
---------------------------------------

The temp table is created and populated by the user who submits the Export command.  
A meaningful default security policy would be configured so that this table is only readable
by the user creating it in which case there is no issue.  If the default is for all objects
to fully public then the problem lies with that.

Regarding compaction, exporting any file produced by it will have ROW_IDs embedded in it.
 These do not make sense in a different table/cluster w/o all the metadata in the metastore.
 


> Add support for Export from Acid table
> --------------------------------------
>
>                 Key: HIVE-18739
>                 URL: https://issues.apache.org/jira/browse/HIVE-18739
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Transactions
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Major
>         Attachments: HIVE-18739.01.patch, HIVE-18739.04.patch, HIVE-18739.04.patch, HIVE-18739.06.patch,
HIVE-18739.08.patch, HIVE-18739.09.patch, HIVE-18739.10.patch, HIVE-18739.11.patch, HIVE-18739.12.patch
>
>




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