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https://issues.apache.org/jira/browse/DERBY-2594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492897
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Bryan Pendleton commented on DERBY-2594:
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This tracing seems very useful, too -- can you include it as part of your patch?
> 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: 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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