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https://issues.apache.org/jira/browse/HIVE-30107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denys Kuzmenko updated HIVE-30107:
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Summary: Vectorized hash GROUP BY on a single STRING/CHAR/VARCHAR/BINARY
key (was: speeds up the key lookup)
> Vectorized hash GROUP BY on a single STRING/CHAR/VARCHAR/BINARY key
> -------------------------------------------------------------------
>
> Key: HIVE-30107
> URL: https://issues.apache.org/jira/browse/HIVE-30107
> Project: Hive
> Issue Type: Sub-task
> Reporter: Denys Kuzmenko
> Priority: Major
> Labels: performance
>
> operator 3.0–3.6×
>
>
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