Tom Augspurger created ARROW-1585: ------------------------------------- Summary: serialize_pandas round trip fails on integer columns Key: ARROW-1585 URL: https://issues.apache.org/jira/browse/ARROW-1585 Project: Apache Arrow Issue Type: Bug Components: Python Affects Versions: 0.7.0 Reporter: Tom Augspurger Priority: Minor Fix For: 0.8.0
This roundtrip fails, since the Integer column isn't converted to a string after deserializing {code:python} In [1]: import pandas as pd im In [2]: import pyarrow as pa In [3]: pa.deserialize_pandas(pa.serialize_pandas(pd.DataFrame({"0": [1, 2]}))).columns Out[3]: Index(['0'], dtype='object') {code} That should be an {{ Int64Index([0]) }} for the columns. -- This message was sent by Atlassian JIRA (v6.4.14#64029)