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https://issues.apache.org/jira/browse/ARROW-15126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-15126:
-----------------------------------
Labels: pull-request-available (was: )
> [C++] Support Null type as group keys
> -------------------------------------
>
> Key: ARROW-15126
> URL: https://issues.apache.org/jira/browse/ARROW-15126
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Chenxi Li
> Assignee: Chenxi Li
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
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