Commits

Antoine Pitrou authored 6c4118b274c
ARROW-4562: [C++] Avoid copies when serializing Flight data Also massage the Flight headers to avoid unnecessary includes and declarations. Author: Antoine Pitrou <antoine@python.org> Closes #3705 from pitrou/ARROW-4562-no-copy-grpc-serialization and squashes the following commits: b24194baa <Antoine Pitrou> ARROW-4562: Avoid copies when serializing Flight data