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https://issues.apache.org/jira/browse/ORC-1012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved ORC-1012.
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Fix Version/s: 1.8.0
Resolution: Fixed
This is resolved via https://github.com/apache/orc/pull/921
> 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
> Priority: Major
> Fix For: 1.8.0
>
>
> 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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