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Posted to dev@parquet.apache.org by "Xinli Shang (Jira)" <ji...@apache.org> on 2021/07/01 20:18:00 UTC

[jira] [Updated] (PARQUET-1792) Add 'mask' command to parquet-tools/parquet-cli

     [ https://issues.apache.org/jira/browse/PARQUET-1792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xinli Shang updated PARQUET-1792:
---------------------------------
    Fix Version/s: 1.12.0

> Add 'mask' command to parquet-tools/parquet-cli
> -----------------------------------------------
>
>                 Key: PARQUET-1792
>                 URL: https://issues.apache.org/jira/browse/PARQUET-1792
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-mr
>    Affects Versions: 1.12.0
>            Reporter: Xinli Shang
>            Assignee: Xinli Shang
>            Priority: Major
>             Fix For: 1.12.0
>
>
> Some personal data columns need to be masked instead of being pruned(Parquet-1791). We need a tool to replace the raw data columns with masked value. The masked value could be hash, null, redact etc.  For the unchanged columns, they should be moved as a whole like 'merge', 'prune' command in Parquet-tools. 
>  
> Implementing this feature in file format is 10X faster than doing it by rewriting the table data in the query engine. 



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