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https://issues.apache.org/jira/browse/IMPALA-7571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zsombor Fedor updated IMPALA-7571:
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Summary: is_member() function to determine if the current user is in a
group (was: is_member() function to determine the current user is in a group)
> is_member() function to determine if the current user is in a group
> -------------------------------------------------------------------
>
> Key: IMPALA-7571
> URL: https://issues.apache.org/jira/browse/IMPALA-7571
> Project: IMPALA
> Issue Type: New Feature
> Components: Security
> Reporter: Zsombor Fedor
> Priority: Minor
>
> A function which returns if a user is member of a group.
>
> Basically, depending on user groups membership, we could mask or hide certain
> columns or rows of data, similarly how it's implemented in Dremio. Similar
> concept is available in Oracle, it's called Oracle Virtual Private Database.
>
> It can be implemented for other user-to-group mappings too.
>
> For example Dremio, uses a cache for is_member() calls (defautls to 24h), so
> this group membership check can be cached and consequentially resolved very
> quickly.
>
> For reference:
> [https://docs.dremio.com/security/column-masking.html]
> [https://docs.dremio.com/security/row-level-permissions.html]
> [https://docs.oracle.com/cd/B28359_01/network.111/b28531/vpd.htm]
>
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