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https://issues.apache.org/jira/browse/HIVE-955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Yongqiang updated HIVE-955:
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Attachment: ColumnarStruct_columnids_2009-11-25.2.patch
> Passing columns needed onto ColumnarStruct
> ------------------------------------------
>
> Key: HIVE-955
> URL: https://issues.apache.org/jira/browse/HIVE-955
> Project: Hadoop Hive
> Issue Type: Improvement
> Reporter: He Yongqiang
> Assignee: He Yongqiang
> Attachments: ColumnarStruct_columnids_2009-11-25.2.patch
>
>
> This can avoid unneeded loop cycle in ColumnarStruct's init method. This can
> saves a lot when the table's column number is big.
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