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https://issues.apache.org/jira/browse/PARQUET-2116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xinli Shang updated PARQUET-2116:
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External issue URL:
https://docs.google.com/document/d/1Q-d98Os_aJahUynznPrWvXwWQeN0aFDRhZj3hXt_JOM/edit#
> Cell Level Encryption
> ----------------------
>
> Key: PARQUET-2116
> URL: https://issues.apache.org/jira/browse/PARQUET-2116
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Reporter: Xinli Shang
> Assignee: Xinli Shang
> Priority: Major
>
> Cell level encryption can do finer-grained encryption than modular
> encryption(Parquet-1178) or file encryption. The idea is only some fields
> inside the column are encrypted based on a filter expression. For example, a
> table with column a, b, c.x, c.y, d, we can encrypt column a, c.x where d ==
> 5 and c.y > 0.
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