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From: "Thejas M Nair (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HIVE-5928) Add a hive authorization plugin api
 that does not assume privileges needed
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    [ https://issues.apache.org/jira/browse/HIVE-5928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13838190#comment-13838190 ] 

Thejas M Nair commented on HIVE-5928:
-------------------------------------

During this refactor, we need to explore how the existing access control statement update code can be re-used across both old and new authorization models.


> Add a hive authorization plugin api that does not assume privileges needed
> --------------------------------------------------------------------------
>
>                 Key: HIVE-5928
>                 URL: https://issues.apache.org/jira/browse/HIVE-5928
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Authorization
>            Reporter: Thejas M Nair
>
> The existing HiveAuthorizationProvider interface implementations can be used to support custom authorization models.
> But this interface limits the customization for these reasons -
> 1. It has assumptions about the privileges required for an action.
> 2. It does have not functions that you can implement for having custom ways of doing the actions of access control statements.
> This jira proposes a new interface HiveBaseAuthorizationProvider that does not make assumptions of the privileges required for the actions. The authorize() functions will be equivalent of authorize(<hive object>, <action>). It will also have functions that will be called from the access control statements.
> The current HiveAuthorizationProvider will continue to be supported for backward compatibility. There will be a subclass of HiveBaseAuthorizationProvider that executes actions using this interface.



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