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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3722) Add circularity check for the GRANT role statement
Date Tue, 17 Jun 2008 00:05:45 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-3722:
---------------------------------

    Attachment: derby-3722-3.stat
                derby-3722-3.diff

I made a new version of the patch, derby-3722-3, which lets the
iterator's 'next' method return a role name string instead of the
RoleGrantDescriptor in the graph. This simplifies usage. 

I also fixed the typo pointed out by Rick, and started using
BaseTestCase#fail in RolesTest where exception chaining is
useful. 

Version 2 of the patch passed regression tests, so I expect this one
to it as well, although not finished yet.


> Add circularity check for the GRANT role statement
> --------------------------------------------------
>
>                 Key: DERBY-3722
>                 URL: https://issues.apache.org/jira/browse/DERBY-3722
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Security, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>             Fix For: 10.5.0.0
>
>         Attachments: derby-3722-1.diff, derby-3722-1.stat, derby-3722-2.diff, derby-3722-2.stat,
derby-3722-3.diff, derby-3722-3.stat
>
>
> When a role is granted to another role (with the GRANT <role> statement), we need
to check that the grant relation does not give rise to a circularity. This is described in
Section 12.5, Syntax rule 1 of ISO/IEC 9075-2 2003.

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