Hi David,
Thanks for the clarification. I agree about not exposing Protobuf in the public API. But it's a pity it forces us to such manual data wrangling... Regards Antoine. Le 03/04/2019 à 17:12, David Li a écrit : > Hi Antoine, > > The ToProto/FromProto methods convert between Protobuf structs and > Flight-specific structs. They aren't actually parsing or serializing > anything. While you could argue for just using the Protobuf structs > directly, I there are a few reasons not to: > > - We don't want to expose Protobuf in the public APIs, and > - Google's official guidance recommends against using Protobuf structs > to actually model application data [1] (and while they claim Protobuf > structs are basically "dumb data structs", they're quite far from > that, with lots of generated methods [2]) > > [1]: > https://developers.google.com/protocol-buffers/docs/cpptutorial#parsing-and-serialization > [2]: > https://developers.google.com/protocol-buffers/docs/reference/cpp-generated > > Best, > David > > On 4/3/19, Antoine Pitrou <solip...@pitrou.net> wrote: >> >> Hello, >> >> Why do we have parsing / unparsing implementations in >> src/arrow/flight/internal.cc? >> >> I assumed gRPC / protobuf would give this to us for free. Instead it >> seems we have to write it ourselves? >> >> Regards >> >> Antoine. >> >> >>