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https://issues.apache.org/jira/browse/ARROW-12727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michal Nowakiewicz updated ARROW-12727:
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Labels: query-engine (was: )
> [C++][Compute] GroupBy: support more than 2^32 groups
> -----------------------------------------------------
>
> Key: ARROW-12727
> URL: https://issues.apache.org/jira/browse/ARROW-12727
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 4.0.0
> Reporter: Michal Nowakiewicz
> Priority: Major
> Labels: query-engine
> Fix For: 6.0.0
>
>
> Support:
> a) 64-bit hash,
> b) 64-bit group id and
> c) 64-bit hash table key offsets
> in hash group by.
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