Commits


Kenta Murata authored and Wes McKinney committed a2cd5891737
ARROW-4662: [Python] Add support of type_codes in UnionType UnionType should have `type_codes` property. Author: Kenta Murata <mrkn@mrkn.jp> Closes #3732 from mrkn/python_union_type_codes and squashes the following commits: 3bf83b07 <Kenta Murata> Add support of type_codes in UnionType