ramannanda9 opened a new issue, #33845:
URL: https://github.com/apache/arrow/issues/33845
### Describe the bug, including details regarding any error messages,
version, and platform.
To reproduce..
```python
df=pd.Dataframe({'a':[1,2],'b':[3,4],'_part_col':[5,6]})
table = pa.Table.from_pandas(df)
pq.write_to_dataset('/tmp/path', use_legacy_dataset=False)
pq.read_table('/tmp/path', use_legacy_dataset=False) # reads nothing
pq.read_table('/tmp/path', use_legacy_dataset=True) # this reads data???
```
Perhaps there should be a warning for users to notify them of the same that
_prefixed columns aren't supported with V2 of the API.
### Component(s)
Python
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