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From "Dyre Tjeldvoll (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2594) Revoking a privilege from an SQL Object should invalidate statements dependent on that object
Date Wed, 02 May 2007 16:03:16 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dyre Tjeldvoll updated DERBY-2594:
----------------------------------

    Attachment: out.txt
                DependencyTraceUntested.diff

Attaching a patch for the trace (DependencyTraceUntested.diff). I have only tried it with
lang.GrantRevokeDDLTest and the resulting output is attached as out.txt.

> Revoking a privilege from an SQL Object should invalidate statements dependent on that
object
> ---------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2594
>                 URL: https://issues.apache.org/jira/browse/DERBY-2594
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.2.1.6
>            Reporter: Dyre Tjeldvoll
>         Assigned To: Dyre Tjeldvoll
>         Attachments: DependencyTraceUntested.diff, derby-2594.v1.diff, derby-2594.v1.stat,
out.txt, revoke_prelim.diff
>
>
> Revoking a privilege on a table will currently cause the DependencyManager.invalidateFor()
to be called on the table's TablePermsDescriptor with the action=REVOKE_PRIVILEGE. However,
the prepared statements that refer to that table are dependents of the table's TableDescriptor,
but NOT its TablePermsDescriptor, so the statements are not invalidated after revoke.
> This problem is currently hidden by the fact that authorization is checked on every execution,
but this will change when language result sets are no longer reused (see DERBY-827). 

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