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https://issues.apache.org/jira/browse/DERBY-3137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634574#action_12634574
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Rick Hillegas commented on DERBY-3137:
--------------------------------------

Thanks for bringing my attention to the DERBY-3137-ijfix patch, Dag. It looks 
good. For extra credit, someone may want to implement a similar command which 
shows the session's role closure. It's a useful slug of information--that is, 
other databases have bothered to implement the enabled_roles view defined in 
chapter 11 of the SQL standard (InformationSchema). Thanks.

> SQL roles: add catalog support
> ------------------------------
>
>                 Key: DERBY-3137
>                 URL: https://issues.apache.org/jira/browse/DERBY-3137
>             Project: Derby
>          Issue Type: Task
>          Components: Security, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>             Fix For: 10.5.0.0
>
>         Attachments: DERBY-3137-2.diff, DERBY-3137-2.stat, DERBY-3137-2.txt, 
> DERBY-3137-ijfix.diff, DERBY-3137-ijfix.diff, DERBY-3137-ijfix.stat, 
> DERBY-3137-ijfix.stat, DERBY-3137-rename-b.diff, DERBY-3137-rename-b.stat, 
> DERBY-3137-rename.diff, DERBY-3137-rename.diff, DERBY-3137-rename.stat, 
> DERBY-3137-rename.stat, DERBY-3137-setRoleNoCNF-2.diff, 
> DERBY-3137-setRoleNoCNF-2.stat, DERBY-3137-setRoleNoCNF-3.diff, 
> DERBY-3137-setRoleNoCNF-3.stat, DERBY-3137-setRoleNoCNF.diff, 
> DERBY-3137-setRoleNoCNF.diff, DERBY-3137-setRoleNoCNF.stat, 
> DERBY-3137-setRoleNoCNF.stat, DERBY-3137-uuid-2.diff, DERBY-3137-uuid.diff, 
> DERBY-3137-uuid.stat, DERBY-3137.diff, DERBY-3137.diff, DERBY-3137.stat, 
> DERBY-3137.txt
>
>
> As a next step after adding support for the roles syntax, I intend to
> make a patch which implements catalog support for roles,
> cf. SYS.SYSROLES described in the specification (attached to
> DERBY-2207). Also the patch should tie this support up to the parser
> support, so the role statements can be executed. Any privileges
> granted to roles would still have no effect at run-time.

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