[jira] [Created] (SUBMARINE-1080) push down masking project to relation

["qiuliang (Jira)" <ji...@apache.org>]

qiuliang created SUBMARINE-1080:
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             Summary: 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


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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