GH-44168: [Python][Acero] Provide method to perform aggregations with acero for datasets #44169
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Rationale for this change
See #44168 – implement an
aggregatemethod forDatasetto facilitate out of core aggregations of arbitrary datasets using Acero.What changes are included in this PR?
New
aggregatemethod ofDatasetand associated tests.Are these changes tested?
Equivalent tests to those existing for the
group_by/aggregateidiom ofTablehave been added to the dataset tests.Are there any user-facing changes?
New method of
Dataset