wukan1986 opened a new issue #12458:
URL: https://github.com/apache/arrow/issues/12458
```python
import pandas as pd
import pyarrow as pa
print(pd.__version__) # 1.4.1
print(pa.__version__) # 7.0.0
dr = pd.date_range(start='2022-01-01', end='2022-01-10', freq='D')
df = pd.DataFrame(index=dr)
df['A'] = pd.to_datetime('today')
df['B'] = 1.0
df['C'] = 'a'
df['D'] = 2
df.head(1).to_parquet('b/0.parquet') # not empty dataframe
df.to_parquet('b/1.parquet')
pd.read_parquet('b') # pass
df.head(0).to_parquet('b/0.parquet') # empty dataframe
pd.read_parquet('b') # pyarrow.lib.ArrowNotImplementedError
```
```python
Traceback (most recent call last):
File "D:/a.py", line 19, in <module>
pd.read_parquet('b') # pyarrow.lib.ArrowNotImplementedError
File
"D:\Users\Kan\miniconda3\envs\py38\lib\site-packages\pandas\io\parquet.py",
line 493, in read_parquet
return impl.read(
File
"D:\Users\Kan\miniconda3\envs\py38\lib\site-packages\pandas\io\parquet.py",
line 240, in read
result = self.api.parquet.read_table(
File
"D:\Users\Kan\miniconda3\envs\py38\lib\site-packages\pyarrow\parquet.py", line
1996, in read_table
return dataset.read(columns=columns, use_threads=use_threads,
File
"D:\Users\Kan\miniconda3\envs\py38\lib\site-packages\pyarrow\parquet.py", line
1831, in read
table = self._dataset.to_table(
File "pyarrow\_dataset.pyx", line 323, in pyarrow._dataset.Dataset.to_table
File "pyarrow\_dataset.pyx", line 2311, in
pyarrow._dataset.Scanner.to_table
File "pyarrow\error.pxi", line 143, in
pyarrow.lib.pyarrow_internal_check_status
File "pyarrow\error.pxi", line 120, in pyarrow.lib.check_status
pyarrow.lib.ArrowNotImplementedError: Unsupported cast from string to null
using function cast_null
```
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