Commits
Wes McKinney authored f70dbd1dbdb
ARROW-4872: [Python] Keep backward compatibility for ParquetDatasetPiece Still needs to run dask integration test. Author: Wes McKinney <wesm+git@apache.org> Author: Krisztián Szűcs <szucs.krisztian@gmail.com> Closes #3988 from kszucs/ARROW-4872 and squashes the following commits: 305e747d8 <Wes McKinney> Add deprecation warning about now unused preserve_index argument in write_to_dataset f85e3ac8f <Wes McKinney> Revert metadata for serialized index columns to simple string, no dict 7c63bd9da <Krisztián Szűcs> fix compare sides 47c3174e5 <Krisztián Szűcs> keep backward compatibility in ParquetDatasetPiece