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https://issues.apache.org/jira/browse/DERBY-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dag H. Wanvik updated DERBY-3736:
---------------------------------
Attachment: derby-3736.stat
derby-3736.diff
Enclosing a patch which fixes the issue by adding a
line for the column case in TablePrivilegeInfo:
> dd.getDependencyManager().invalidateFor
(td, DependencyManager.INTERNAL_RECOMPILE_REQUEST, lcc);
There is already such a line for the case when a table level privilege is
revoked
and there it carries the following comment:
// When revoking a privilege from a Table we need to
// invalidate all GPSs refering to it. But GPSs aren't
// Dependents of TablePermsDescr, but of the
// TableDescriptor itself, so we must send
// INTERNAL_RECOMPILE_REQUEST to the TableDescriptor's
// Dependents.
The patch adds the test case to GrantRevokeDDLTest uploaded earlier.
It fails without the above change to TablePrivilegeInfo, but works with it.
Running regressions now, ready for review.
> Revoking a column level privilege from a user, a prepared statement relying
> on that privilege can still be executed
> --------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3736
> URL: https://issues.apache.org/jira/browse/DERBY-3736
> Project: Derby
> Issue Type: Bug
> Components: Security, SQL
> Affects Versions: 10.3.1.4, 10.3.2.1, 10.3.3.0, 10.4.1.3
> Reporter: Dag H. Wanvik
> Assignee: Dag H. Wanvik
> Attachments: column-level.sql, derby-3736.diff, derby-3736.stat,
> GrantRevokeDDLTest.diff, table-level.sql
>
>
> When a table level SELECT privilege is revoked, a dependent prepared
> statement is
> invalidated and can no longer be executed, but in the case of a column level
> privilege
> SELECT privilege, the dependent prepared statement can still be executed.
> This works as expected in 10.2, but does not work in all 10.3 and 10.4
> releases.
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