this was reported in https://github.com/BryanCutler/spark/pull/23#issuecomment-278496371 **Reporter**: [Wes McKinney](https://issues.apache.org/jira/browse/ARROW-544) / @wesm **Assignee**: [Wes McKinney](https://issues.apache.org/jira/browse/ARROW-544) / @wesm #### Related issues: - [Arrow release 0.2](https://github.com/apache/arrow/issues/15866) (blocks) <sub>**Note**: *This issue was originally created as [ARROW-544](https://issues.apache.org/jira/browse/ARROW-544). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*</sub>