[jira] [Resolved] (ARROW-1354) [Python] Segfault in Table.from_pandas with Mixed-Type Categories

["Wes McKinney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-1354.
---------------------------------
    Resolution: Fixed
      Assignee: Phillip Cloud  (was: Wes McKinney)

Phillip fixed this in https://github.com/apache/arrow/commit/b36aab5abfa7b398c9b307930a9f1ba4c9dc08c8. It now raises an exception

> [Python] Segfault in Table.from_pandas with Mixed-Type Categories
> -----------------------------------------------------------------
>
>                 Key: ARROW-1354
>                 URL: https://issues.apache.org/jira/browse/ARROW-1354
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.5.0
>            Reporter: Nick White
>            Assignee: Phillip Cloud
>             Fix For: 0.7.0
>
>
> I'm not sure what the expected behaviour should be, but it's not segfaulting!
> {code}
> import pandas as pd
> import pyarrow as pa
> print("Pandas: %s" % pd.__version__)
> print("Pyarrow: %s" % pa.__version__)
> df = pd.DataFrame({"B": (1, 'A')})
> df = df.assign(B=df.B.astype("category"))
> pa.Table.from_pandas(df)  # this segfaults!
> {code}
> Versions:
> {code}
> Pandas: 0.20.1
> Pyarrow: 0.5.0
> {code}



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