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https://issues.apache.org/jira/browse/DERBY-3722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12605933#action_12605933
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Dag H. Wanvik commented on DERBY-3722:
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Regression tests passed. If there are no further comments I will commit version
#3 tomorrow.
> Add circularity check for the GRANT role statement
> --------------------------------------------------
>
> Key: DERBY-3722
> URL: https://issues.apache.org/jira/browse/DERBY-3722
> Project: Derby
> Issue Type: Sub-task
> Components: Security, SQL
> Reporter: Dag H. Wanvik
> Assignee: Dag H. Wanvik
> Fix For: 10.5.0.0
>
> Attachments: derby-3722-1.diff, derby-3722-1.stat, derby-3722-2.diff,
> derby-3722-2.stat, derby-3722-3.diff, derby-3722-3.stat
>
>
> When a role is granted to another role (with the GRANT <role> statement), we
> need to check that the grant relation does not give rise to a circularity.
> This is described in Section 12.5, Syntax rule 1 of ISO/IEC 9075-2 2003.
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