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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4191) Lack of SELECT privilege does not prevent SELECT COUNT(*)
Date Thu, 19 Nov 2009 22:03:39 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12780295#action_12780295
] 

Mamta A. Satoor commented on DERBY-4191:
----------------------------------------

Rick, I really appreciate you taking the time on thinking about this jira. As a start, I am
thinking I will go ahead and work on getMinimalSelectPermissionsList/getRequiredPermissionsListForCountStar()
approach. I think the actual implementation of that method will be required even by the alternative
approach you suggested. So, for now, I will work on implementing the new method and have it
used for count(*) case. Once I have that working, we can see if we should add a new internal
privilege type MINIMAL_SELECT_PRIVILEGE and use that privilege type rather than internal method
calls to implement the final solution. Once I have some kind of code ready, I will post it
to this jira so we are more clear on what I am proposing to do. Thanks.

> Lack of SELECT privilege does not prevent SELECT COUNT(*)
> ---------------------------------------------------------
>
>                 Key: DERBY-4191
>                 URL: https://issues.apache.org/jira/browse/DERBY-4191
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.4.2.0, 10.5.1.1
>            Reporter: Knut Anders Hatlen
>         Attachments: repro.sql
>
>
> A user that does not have SELECT privilege on a table can still perform a SELECT COUNT(*)
on that table. Counting a specific column (e.g., SELECT COUNT(X)) is prevented.

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