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Posted to dev@parquet.apache.org by "Xinli Shang (Jira)" <ji...@apache.org> on 2020/02/09 14:21:00 UTC

[jira] [Created] (PARQUET-1791) Add 'prune' command to parquet-tools

Xinli Shang created PARQUET-1791:
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             Summary: Add 'prune' command to parquet-tools 
                 Key: PARQUET-1791
                 URL: https://issues.apache.org/jira/browse/PARQUET-1791
             Project: Parquet
          Issue Type: Improvement
          Components: parquet-mr
    Affects Versions: 1.11.0
            Reporter: Xinli Shang
            Assignee: Xinli Shang
             Fix For: 1.12.0


During data retention, there is a need to remove unused or personal columns. Adding a 'prune' command in Parquet-tool to remove the columns and retain all other columns unchanged. The way it works should be like 'merge' command.  



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