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https://issues.apache.org/jira/browse/RANGER-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15702563#comment-15702563
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Don Bosco Durai commented on RANGER-1234:
-----------------------------------------

[~jonesn], are you referring to filtering out results?

If so, we have to see for which components we can support it. With Hive, we are 
already doing wrt Row Level Filtering and Column Masking. HBase might be 
another candidate. But for some others, we only do the authorization and for 
filtering out, we might need more hooks at the native component level.

Anyway, it will be good know your thoughts also.

> Post-evaluation phase user extensions
> -------------------------------------
>
>                 Key: RANGER-1234
>                 URL: https://issues.apache.org/jira/browse/RANGER-1234
>             Project: Ranger
>          Issue Type: Improvement
>            Reporter: Nigel Jones
>
> As per 
> https://cwiki.apache.org/confluence/display/RANGER/Dynamic+Policy+Hooks+in+Ranger+-+Configure+and+Use
>  we have the ability to add
>  - content enricher
>  - condition evaluator
> user extensions to a ranger plugin.
> However the third phase -- post evaluation -- could also lend itself to user 
> extension such as additional user defined filtering of resultant data sets



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