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https://issues.apache.org/jira/browse/HIVE-5267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13769065#comment-13769065
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Yin Huai commented on HIVE-5267:
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+1. Will commit it if all tests pass.
> Use array instead of Collections if possible in DemuxOperator
> -------------------------------------------------------------
>
> Key: HIVE-5267
> URL: https://issues.apache.org/jira/browse/HIVE-5267
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-5267.D12867.1.patch, HIVE-5267.patch
>
>
> DemuxOperator accesses Maps twice+ for each row, which can be replaced by
> array.
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