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https://issues.apache.org/jira/browse/IMPALA-8981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963622#comment-16963622
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Quanlong Huang commented on IMPALA-8981:
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Some experiments on Hive's behaviors: 
https://docs.google.com/document/d/1LYk2wxT3GMw4ur5y9JBBykolfAs31P3gWRStk21PomM/edit?usp=sharing

> Support column masking in Impala
> --------------------------------
>
>                 Key: IMPALA-8981
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8981
>             Project: IMPALA
>          Issue Type: Epic
>    Affects Versions: Impala 3.4.0
>            Reporter: Kurt Deschler
>            Assignee: Kurt Deschler
>            Priority: Critical
>         Attachments: impala_column_masking.patch
>
>
> Related Hive Jira https://issues.apache.org/jira/browse/HIVE-13125
> Column Masking High-level design:
> [https://docs.google.com/document/d/1GC7au6F5Snp8zQisRopOhKSjKsI1XPPg8S2foQxfJrA/edit?usp=sharing]



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