Henrikh Kantuni created ARROW-14268:
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Summary: Cannot convert DataFrame with complex128 cells to Table
Key: ARROW-14268
URL: https://issues.apache.org/jira/browse/ARROW-14268
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 5.0.0
Reporter: Henrikh Kantuni
Example:
{code:java}
import numpy as np
import pandas as pd
import pyarrow as pa
data = np.array([1 + 1j])
df = pd.DataFrame(data)
table = pa.Table.from_pandas(df)
print(table)
{code}
Throws the following error:
{code:java}
Traceback (most recent call last):
File "/Users/Henrikh/Desktop/tmp.py", line 7, in <module>
table = pa.Table.from_pandas(df)
File "pyarrow/table.pxi", line 1553, in pyarrow.lib.Table.from_pandas
File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line
594, in dataframe_to_arrays
arrays = [convert_column(c, f)
File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line
594, in <listcomp>
arrays = [convert_column(c, f)
File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line
581, in convert_column
raise e
File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line
575, in convert_column
result = pa.array(col, type=type_, from_pandas=True, safe=safe)
File "pyarrow/array.pxi", line 302, in pyarrow.lib.array
File "pyarrow/array.pxi", line 79, in pyarrow.lib._ndarray_to_array
File "pyarrow/array.pxi", line 67, in pyarrow.lib._ndarray_to_type
File "pyarrow/error.pxi", line 118, in pyarrow.lib.check_status
pyarrow.lib.ArrowNotImplementedError: ('Unsupported numpy type 15', 'Conversion
failed for column 0 with type complex128'){code}
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