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Posted to dev@orc.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2021/09/29 08:27:00 UTC

[jira] [Created] (ORC-1012) Support specifying columns in the orc-scan tool

Quanlong Huang created ORC-1012:
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             Summary: Support specifying columns in the orc-scan tool
                 Key: ORC-1012
                 URL: https://issues.apache.org/jira/browse/ORC-1012
             Project: ORC
          Issue Type: Improvement
          Components: tools
            Reporter: Quanlong Huang
            Assignee: Quanlong Huang


Currently the orc-scan tool will scan all columns. I find it useful to specifying columns when profiling read performance on specified data types.



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