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https://issues.apache.org/jira/browse/HIVE-2093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762594#comment-13762594
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Navis commented on HIVE-2093:
-----------------------------
create table/partition does not have input/output entities in PREHOOK stage.
IMO, database should act in same manner.
> create/drop database should populate inputs/outputs and check concurrency and
> user permission
> ---------------------------------------------------------------------------------------------
>
> Key: HIVE-2093
> URL: https://issues.apache.org/jira/browse/HIVE-2093
> Project: Hive
> Issue Type: Bug
> Components: Authorization, Locking, Metastore, Security
> Reporter: Namit Jain
> Assignee: Navis
> Attachments: HIVE.2093.1.patch, HIVE.2093.2.patch, HIVE.2093.3.patch,
> HIVE.2093.4.patch, HIVE.2093.5.patch, HIVE-2093.6.patch,
> HIVE-2093.D12807.1.patch
>
>
> concurrency and authorization are needed for create/drop table. Also to make
> concurrency work, it's better to have LOCK/UNLOCK DATABASE and SHOW LOCKS
> DATABASE
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