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Posted to issues@orc.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2022/02/02 23:56:00 UTC

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

     [ https://issues.apache.org/jira/browse/ORC-1012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun closed ORC-1012.
------------------------------

> 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
>    Affects Versions: 1.7.2
>            Reporter: Quanlong Huang
>            Assignee: Quanlong Huang
>            Priority: Major
>             Fix For: 1.7.2
>
>
> 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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