[ https://issues.apache.org/jira/browse/ARROW-1188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney reassigned ARROW-1188: ----------------------------------- Assignee: Wes McKinney > Segfault when trying to serialize a DataFrame with Null-only Categorical > Column > ------------------------------------------------------------------------------- > > Key: ARROW-1188 > URL: https://issues.apache.org/jira/browse/ARROW-1188 > Project: Apache Arrow > Issue Type: Bug > Reporter: Panagiotis Mavrogiorgos > Assignee: Wes McKinney > Fix For: 0.5.0 > > > {code} > import pandas as pd > import feather > print("Pandas: %s" % pd.__version__) > print("Feather: %s" % feather.version.version) > df = pd.DataFrame({"A": (1, 2, 3), "B": ("a", "b", "c")}) # if we use this > line everything works fine > df = pd.DataFrame({"A": (1, 2, 3), "B": (None, None, None)}) > df = df.assign(B=df.B.astype("category")) > #feather.write_dataframe(df, "/tmp/foo.feather") # this segfaults! > {code} > {code} > Pandas: 0.19.2 > Feather: 0.4.0 > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)