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Li Jin commented on ARROW-1291: ------------------------------- +1 > [Python] pa.RecordBatch.from_pandas doesn't accept DataFrame with numeric > column names > -------------------------------------------------------------------------------------- > > Key: ARROW-1291 > URL: https://issues.apache.org/jira/browse/ARROW-1291 > Project: Apache Arrow > Issue Type: Bug > Components: Python > Affects Versions: 0.5.0 > Reporter: Li Jin > Priority: Minor > Fix For: 0.6.0 > > > {code} > import pyarrow as pa > import pandas as pd > df = pd.DataFrame([1]) > pa.RecordBatch.from_pandas(df) > {code} > Exception: > {code} > TypeError Traceback (most recent call last) > <ipython-input-5-670ba4a2ddb2> in <module>() > 3 > 4 df = pd.DataFrame([1]) > ----> 5 pa.RecordBatch.from_pandas(df) > table.pxi in pyarrow.lib.RecordBatch.from_pandas() > table.pxi in pyarrow.lib._dataframe_to_arrays() > /home/icexelloss/miniconda3/envs/spark-dev/lib/python3.5/site-packages/pyarrow/pandas_compat.py > in construct_metadata(df, index_levels, preserve_index, types) > 187 arrow_type=arrow_type > 188 ) > --> 189 for name, arrow_type in zip(df.columns, df_types) > 190 ] + ( > 191 [ > /home/icexelloss/miniconda3/envs/spark-dev/lib/python3.5/site-packages/pyarrow/pandas_compat.py > in <listcomp>(.0) > 187 arrow_type=arrow_type > 188 ) > --> 189 for name, arrow_type in zip(df.columns, df_types) > 190 ] + ( > 191 [ > /home/icexelloss/miniconda3/envs/spark-dev/lib/python3.5/site-packages/pyarrow/pandas_compat.py > in get_column_metadata(column, name, arrow_type) > 125 raise TypeError( > 126 'Column name must be a string. Got column {} of type > {}'.format( > --> 127 name, type(name).__name__ > 128 ) > 129 ) > TypeError: Column name must be a string. Got column 0 of type int64 > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)