Commits
Alessandro Molina authored and Joris Van den Bossche committed 999d97add8e
ARROW-14608: [Python] Provide access to hash_aggregate functions through a Table.group_by method Closes #11624 from amol-/ARROW-14608 Authored-by: Alessandro Molina <amol@turbogears.org> Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>