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https://issues.apache.org/jira/browse/HIVE-8499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline resolved HIVE-8499.
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Resolution: Incomplete
> Vectorizing Map-Side GROUP BY output is broken (corrupts Decimal columns)
> -------------------------------------------------------------------------
>
> Key: HIVE-8499
> URL: https://issues.apache.org/jira/browse/HIVE-8499
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Major
>
> Tried vectorizing the output of VectorGroupByOperator on the map-side, but
> Decimal columns get corrupted. Was added as part of 0.14.0 but was turned
> off in HIVE-8478.
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