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https://issues.apache.org/jira/browse/DERBY-4189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703394#action_12703394
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Dag H. Wanvik commented on DERBY-4189:
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We had a long thread on DERBY-3137, so this is by design. I think this is all a
bit fuzzy in the standard.
https://issues.apache.org/jira/browse/DERBY-3137?focusedCommentId=12634139&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12634139
SET ROLE also deviates from SET SCHEMA/CURRENT_SCHEMA in the same way. I agree
it's unfortunate, but SET SCHEMA seem to be in violation of the standard.
CURRENT_USER/CURRENT_SCHEMA return a CNF (case normal form) value, CURRENT_ROLE
return an identifier as you have noted.
> CURRENT_ROLE returns role name with double quotes around it
> -----------------------------------------------------------
>
> Key: DERBY-4189
> URL: https://issues.apache.org/jira/browse/DERBY-4189
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.5.1.1
> Reporter: Knut Anders Hatlen
> Priority: Minor
>
> CURRENT_ROLE returns the current role name with quotes around it. This does
> not follow the existing pattern used by CURRENT_USER.
> Example:
> $ java -Dderby.connection.requireAuthentication=true
> -Dderby.database.sqlAuthorization=true -Dderby.user.kah=secret -jar
> lib/derbyrun.jar ij
> ij version 10.5
> ij> connect 'jdbc:derby:db;create=true;user=kah;password=secret';
> ij> create role myrole;
> 0 rows inserted/updated/deleted
> ij> set role myrole;
> 0 rows inserted/updated/deleted
> ij> values current_user;
> 1
>
> --------------------------------------------------------------------------------------------------------------------------------
> KAH
>
> 1 row selected
> ij> values current_role;
> 1
>
> --------------------------------------------------------------------------------------------------------------------------------
> "MYROLE"
>
> 1 row selected
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