Commits
François Saint-Jacques authored and Benjamin Kietzman committed 769c4daae96
ARROW-7377: [C++][Dataset] Add ScanOptions::MaterializedFields A small utility used to simplify parquet's implementation. Will be useful for other file formats. Closes #6018 from fsaintjacques/ARROW-7377-simplify-parquet-projection and squashes the following commits: ea64d8173 <François Saint-Jacques> ARROW-7377: Add ScanOptions::MaterializedFields Authored-by: François Saint-Jacques <fsaintjacques@gmail.com> Signed-off-by: Benjamin Kietzman <bengilgit@gmail.com>