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https://issues.apache.org/jira/browse/HIVE-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896594#comment-13896594
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Remus Rusanu commented on HIVE-5998:
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https://reviews.apache.org/r/17899/
> Add vectorized reader for Parquet files
> ---------------------------------------
>
> Key: HIVE-5998
> URL: https://issues.apache.org/jira/browse/HIVE-5998
> Project: Hive
> Issue Type: Sub-task
> Reporter: Remus Rusanu
> Assignee: Remus Rusanu
> Priority: Minor
> Attachments: HIVE-5998.1.patch
>
>
> HIVE-5783 is adding native Parquet support in Hive. As Parquet is a columnar
> format, it makes sense to provide a vectorized reader, similar to how RC and
> ORC formats have, to benefit from vectorized execution engine.
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