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https://issues.apache.org/jira/browse/SUBMARINE-1080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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cdmikechen resolved SUBMARINE-1080.
-----------------------------------
    Resolution: Pending Closed

Since our new version doesn't support spark at the moment, I'll close this 
issue for now

> push down masking project to relation
> -------------------------------------
>
>                 Key: SUBMARINE-1080
>                 URL: https://issues.apache.org/jira/browse/SUBMARINE-1080
>             Project: Apache Submarine
>          Issue Type: Improvement
>          Components: Security
>            Reporter: qiuliang
>            Priority: Major
>              Labels: pull-request-available
>
> We ran into a problem with Submarine's Spark Security for Column Masking
> For example,
> select col_1, col_2 from tbl_1 union select col_3, col_4 from tbl_2
> If masking policies for col_2 and col_4 are different, col_4 will use col_2's 
> policy instead of its own
> because col_4 is not in "plan.output"
> we can push down masking project to relation like row filter



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