William Cox created ARROW-1004: ---------------------------------- Summary: ArrowInvalid: Invalid: Python object of type float is not None and is not a string, bool, or date object Key: ARROW-1004 URL: https://issues.apache.org/jira/browse/ARROW-1004 Project: Apache Arrow Issue Type: Bug Reporter: William Cox
in python 3.6, arrow 0.3.0 and pandas 0.20.1 running the following: {code} import pyarrow as pa import pandas as pd rec2_df = pd.DataFrame({'0.7': {49283: 0.0}, '@proxy_inject': {49283: '@jst'}}, dtype=object) bad_table = pa.Table.from_pandas(rec2_df) {code} yields this error: {code} --------------------------------------------------------------------------- ArrowInvalid Traceback (most recent call last) <ipython-input-1-d84bff18cc35> in <module>() 3 4 rec2_df = pd.DataFrame({'0.7': {49283: 0.0}, '@proxy_inject': {49283: '@jst'}}, dtype=object) ----> 5 bad_table = pa.Table.from_pandas(rec2_df) /Users/william/anaconda/envs/parquet-python/lib/python3.6/site-packages/pyarrow/_table.pyx in pyarrow._table.Table.from_pandas (/Users/travis/miniconda3/conda-bld/pyarrow_1494071287970/work/arrow-d8db8f8a11abbbb6c45645b2d7370610311731bd/python/build/temp.macosx-10.9-x86_64-3.6/_table.cxx:9250)() /Users/william/anaconda/envs/parquet-python/lib/python3.6/site-packages/pyarrow/_table.pyx in pyarrow._table._dataframe_to_arrays (/Users/travis/miniconda3/conda-bld/pyarrow_1494071287970/work/arrow-d8db8f8a11abbbb6c45645b2d7370610311731bd/python/build/temp.macosx-10.9-x86_64-3.6/_table.cxx:5997)() /Users/william/anaconda/envs/parquet-python/lib/python3.6/site-packages/pyarrow/_array.pyx in pyarrow._array.Array.from_pandas (/Users/travis/miniconda3/conda-bld/pyarrow_1494071287970/work/arrow-d8db8f8a11abbbb6c45645b2d7370610311731bd/python/build/temp.macosx-10.9-x86_64-3.6/_array.cxx:16456)() /Users/william/anaconda/envs/parquet-python/lib/python3.6/site-packages/pyarrow/_error.pyx in pyarrow._error.check_status (/Users/travis/miniconda3/conda-bld/pyarrow_1494071287970/work/arrow-d8db8f8a11abbbb6c45645b2d7370610311731bd/python/build/temp.macosx-10.9-x86_64-3.6/_error.cxx:1249)() ArrowInvalid: Invalid: Python object of type float is not None and is not a string, bool, or date object {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)