AlenkaF commented on code in PR #34445:
URL: https://github.com/apache/arrow/pull/34445#discussion_r1126116923
##########
python/pyarrow/tests/test_pandas.py:
##########
@@ -647,6 +647,23 @@ def test_mismatch_metadata_schema(self):
result = new_table.to_pandas()
tm.assert_frame_equal(result, expected)
+ @pytest.mark.parametrize("index", ["a", ["a", "b"]])
+ def test_to_pandas_types_mapper_index(self, index):
+ if Version(pd.__version__) < Version("1.5.0"):
+ pytest.skip("ArrowDtype missing")
+ df = pd.DataFrame(
+ {
+ "a": [1, 2],
+ "b": [3, 4],
+ "c": [5, 6],
+ },
+ dtype=pd.ArrowDtype(pa.int64()),
+ ).set_index(index)
+ expected = df.copy()
Review Comment:
Why is the copy needed?
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