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https://issues.apache.org/jira/browse/HIVE-12369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline updated HIVE-12369:
--------------------------------
Description: Implement Native Vector GroupBy using fast hash table
technology developed for Native Vector MapJoin and vector key handling
developed for recent HIVE-12290 Native Vector ReduceSink JIRA. (was: Implement
fast Vector GroupBy using fast hash table technology developed for Native
Vector MapJoin and vector key handling developed for recent HIVE-12290 Native
Vector ReduceSink JIRA.
(Patch also includes making Native Vector MapJoin use Hybrid Grace -- but that
can be separated out))
> Native Vector GroupBy
> ---------------------
>
> Key: HIVE-12369
> URL: https://issues.apache.org/jira/browse/HIVE-12369
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-12369.01.patch, HIVE-12369.02.patch
>
>
> Implement Native Vector GroupBy using fast hash table technology developed
> for Native Vector MapJoin and vector key handling developed for recent
> HIVE-12290 Native Vector ReduceSink JIRA.
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