wjones127 commented on issue #12458:
URL: https://github.com/apache/arrow/issues/12458#issuecomment-1043768987
> Can pyarrow skip merge emtpy file when index length is 0?
I don't think we have any functionality that does that.
If you don't want to change how you write your DataFrame, you can pass the
schema into `ds.dataset()` and that will ignore the empty file.
```python
import pyarrow.dataset as ds
schema = pa.schema([('A', pa.timestamp('us')), ('B', pa.float64()), ('C',
pa.string()), ('D', pa.int64())])
ds.dataset(temp_dir, schema=schema).to_table().to_pandas()
```
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