raulcd commented on code in PR #46884:
URL: https://github.com/apache/arrow/pull/46884#discussion_r3401574358
##########
python/pyarrow/tests/test_pandas.py:
##########
@@ -421,8 +421,18 @@ def test_index_level_name_bump(self):
)
_check_pandas_roundtrip(df, preserve_index=True)
- t = pa.Table.from_pandas(df, preserve_index=True)
- assert t.schema.names == ['col', '__index_level_0__',
'__index_level_1__']
+ # Explicit test
+ t = pa.table(df)
+ expected_schema = pa.schema([
+ ("col", pa.int64()),
+ ("__index_level_0__", pa.int64()),
+ ("__index_level_1__", pa.int64())
+ ])
+ assert t.schema.equals(expected_schema)
+
+ df2 = t.to_pandas()
+ assert df2.index.equals(pd.Index([10, 20, 30]))
Review Comment:
yes, I think I was going for this! Thanks @AlenkaF
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