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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2594) Revoking a privilege from a table should invalidate statements dependent on that table
Date Thu, 26 Apr 2007 14:27:15 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492026
] 

Daniel John Debrunner commented on DERBY-2594:
----------------------------------------------

I think this should be more generic than table, it should be for any SQL object, e.g.:

Revoking a privilege from a (SQL) object should invalidate statements dependent on that object

> Revoking a privilege from a table should invalidate statements dependent on that table
> --------------------------------------------------------------------------------------
>
>                 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
>
> 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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