amol- commented on a change in pull request #11624:
URL: https://github.com/apache/arrow/pull/11624#discussion_r746457225
##########
File path: python/pyarrow/tests/test_table.py
##########
@@ -1746,3 +1746,29 @@ def test_table_select():
result = table.select(['f2'])
expected = pa.table([a2], ['f2'])
assert result.equals(expected)
+
+
+def test_table_group_by():
+ table = pa.table([
+ pa.array([1, 2, 3, 4, 5]),
+ pa.array(["a", "a", "b", "b", "c"]),
+ ], names=["values", "keys"])
+
+ r = table.group_by("keys", ["values"], "hash_sum")
Review comment:
:+1:
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