Antony Mayi created ARROW-2145: ---------------------------------- Summary: decimal conversion not working for NaN values Key: ARROW-2145 URL: https://issues.apache.org/jira/browse/ARROW-2145 Project: Apache Arrow Issue Type: Bug Components: C++, Python Affects Versions: 0.8.0 Reporter: Antony Mayi
{code:python} import pyarrow as pa import pandas as pd import decimal pa.Table.from_pandas(pd.DataFrame({'a': [decimal.Decimal('1.1'), decimal.Decimal('NaN')]})) {code} throws following exception: {code} Traceback (most recent call last): File "<stdin>", line 1, in <module> File "pyarrow/table.pxi", line 875, in pyarrow.lib.Table.from_pandas (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:44927) File "/lib/python3.6/site-packages/pyarrow/pandas_compat.py", line 350, in dataframe_to_arrays convert_types)] File "/lib/python3.6/site-packages/pyarrow/pandas_compat.py", line 349, in <listcomp> for c, t in zip(columns_to_convert, File "/lib/python3.6/site-packages/pyarrow/pandas_compat.py", line 345, in convert_column return pa.array(col, from_pandas=True, type=ty) File "pyarrow/array.pxi", line 170, in pyarrow.lib.array (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:29224) File "pyarrow/array.pxi", line 70, in pyarrow.lib._ndarray_to_array (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:28465) File "pyarrow/error.pxi", line 98, in pyarrow.lib.check_status (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:9068) pyarrow.lib.ArrowException: Unknown error: an integer is required (got type str) {code} Same problem with other special decimal values like {{infinity}}. -- This message was sent by Atlassian JIRA (v7.6.3#76005)