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https://issues.apache.org/jira/browse/RANGER-2501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16880671#comment-16880671
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Bolke de Bruin commented on RANGER-2501:
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I'll check this, but I am pretty sure that we see columns in our setup.
> Ranger-admin not showing presto columns
> ---------------------------------------
>
> Key: RANGER-2501
> URL: https://issues.apache.org/jira/browse/RANGER-2501
> Project: Ranger
> Issue Type: Bug
> Components: admin, plugins
> Affects Versions: 2.0.0
> Reporter: Pedro Gonçalves Rossi Rodrigues
> Priority: Minor
>
> The RangerSystemAccessControl
> (https://github.com/apache/ranger/blob/master/ranger-presto-plugin-shim/src/main/java/org/apache/ranger/authorization/presto/authorizer/RangerSystemAccessControl.java)
> which Presto invokes doesn't have a fundamental method that its interfaces
> defaults to deny *checkCanShowColumnsMetadata*
> ([https://github.com/prestosql/presto/blob/master/presto-spi/src/main/java/io/prestosql/spi/security/SystemAccessControl.java#L209)]
> resulting in the fact that the Ranger-Admin cannot list any columns in the
> interface for the user.
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