lidavidm commented on code in PR #13402:
URL: https://github.com/apache/arrow/pull/13402#discussion_r903652474
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python/pyarrow/tests/test_pandas.py:
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@@ -149,6 +149,12 @@ def test_non_string_columns(self):
table = pa.Table.from_pandas(df)
assert table.field(0).name == '0'
+ def test_non_string_columns_with_index(self):
+ df = pd.DataFrame({0: [1, 2, 3], 1: [4, 5, 6]})
+ df = df.set_index(0)
+ table = pa.Table.from_pandas(df)
+ assert table.field(0).name == '1'
Review Comment:
I suppose, assuming round-tripping the type of the index names works, we
should also `_check_pandas_roundtrip(df, preserve_index=True)` here
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