kszucs edited a comment on pull request #7073:
URL: https://github.com/apache/arrow/pull/7073#issuecomment-62291
> * Simplified FileSystemDataset to hold a FragmentVector. Each Fragment
must be a FileFragment and is checked at `FileSystemDataset::Make`. Fragments
are not required to u
kszucs edited a comment on pull request #7073:
URL: https://github.com/apache/arrow/pull/7073#issuecomment-62291
> Fragments are not required to use the same backing filesystem nor the same
format.
This makes me wonder, why do we need FileSystemDataset and/or UnionDataset
at all