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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-5923) SQL std auth - parser changes
Date Tue, 22 Jul 2014 06:41:40 GMT

    [ https://issues.apache.org/jira/browse/HIVE-5923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14069903#comment-14069903
] 

Lefty Leverenz commented on HIVE-5923:
--------------------------------------

[~thejas], do the changes in the release note also apply to default Hive authorization?  (The
wiki still shows ROLE and TABLE keywords.) 

Also, while checking the Authorization doc for these changes I noticed a flaw in the syntax
for GRANT priv and REVOKE priv:  they both say "ON object_type" where object_type can be TABLE
or DATABASE, but the name of the table or database isn't in the syntax.  Have I misunderstood,
or does this need to be fixed?

{code}
GRANT
    priv_type [(column_list)]
      [, priv_type [(column_list)]] ...
    [ON object_type]
    TO principal_specification [, principal_specification] ...
    [WITH GRANT OPTION]

REVOKE [GRANT OPTION FOR]
    priv_type [(column_list)]
      [, priv_type [(column_list)]] ...
    [ON object_type priv_level]
    FROM principal_specification [, principal_specification] ...

object_type:
    TABLE
  | DATABASE
{code}

Of course, if this jira's changes don't apply to the default authorization then this comment
belongs somewhere else.

* [Authorization -- Grant/Revoke Privileges | https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Authorization#LanguageManualAuthorization-Grant/RevokePrivileges]

> SQL std auth - parser changes
> -----------------------------
>
>                 Key: HIVE-5923
>                 URL: https://issues.apache.org/jira/browse/HIVE-5923
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Authorization
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 0.13.0
>
>         Attachments: HIVE-5923.1.patch, HIVE-5923.2.patch, HIVE-5923.3.patch, HIVE-5923.4.patch
>
>   Original Estimate: 96h
>          Time Spent: 168h
>  Remaining Estimate: 0h
>
> There are new access control statements proposed in the functional spec in HIVE-5837
. It also proposes some small changes to the existing query syntax (mostly extensions and
some optional keywords).
> The syntax supported should depend on the current authorization mode.



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