Commits
Wes McKinney authored 5653711a370
ARROW-5717: [Python] Unify variable dictionaries when converting to pandas I also fixed a bug in checking dictionary types in `DictionaryUnifier::Unify` Closes #5458 from wesm/ARROW-5717 and squashes the following commits: c5b12a88b <Wes McKinney> Some refinement, do not scan dictionary indices twice when transferring 8a85d5278 <Wes McKinney> Add unit test for variable dictionaries and fix issues a2695efd9 <Wes McKinney> Start refactoring Authored-by: Wes McKinney <wesm+git@apache.org> Signed-off-by: Wes McKinney <wesm+git@apache.org>