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https://issues.apache.org/jira/browse/DERBY-2207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12563603#action_12563603
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Daniel John Debrunner commented on DERBY-2207:
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The SQL TECHNICAL CORRIGENDUM 1 section 18.3 changes the syntax rules for SET 
ROLE. My reading of it is that NONE can now only appear as a keyword, NONE as a 
value expression does not mean set the current role to nothing. Not sure what 
the code is doing at the moment, I couldn't see any processing for NONE.

For connection pooling I think that the reset of a connection from Derby's 
PooledConnection needs to reset the role to nothing. Is that being handled?

> Improve usability of Derby's client/server security by implementing ANSI Roles
> ------------------------------------------------------------------------------
>
>                 Key: DERBY-2207
>                 URL: https://issues.apache.org/jira/browse/DERBY-2207
>             Project: Derby
>          Issue Type: New Feature
>          Components: Security, SQL
>            Reporter: Rick Hillegas
>            Assignee: Dag H. Wanvik
>         Attachments: spec.html, spec.html, spec.html, spec.html, spec.html, 
> spec.html
>
>
> Implementing ANSI Roles will make it easier to manage security for multi-user 
> applications with high user turnover.

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