Ben Kietzman created ARROW-12010:
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Summary: [C++][Compute] Improve performance of the hash table used
in GroupIdentifier
Key: ARROW-12010
URL: https://issues.apache.org/jira/browse/ARROW-12010
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Affects Versions: 3.0.0
Reporter: Ben Kietzman
Assignee: Michal Nowakiewicz
Fix For: 4.0.0
ARROW-11591 adds support for grouped aggregation with a very basic hash table.
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