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Bryan Pendleton commented on DERBY-2594:
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Thanks Dyre. Addressing this tracing later and separately seems reasonable to me.
> 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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