Function StringFromFlatbuffers

cpp/src/arrow/ipc/metadata_internal.h:117–119

}

inline std::string StringFromFlatbuffers(const flatbuffers::String* s) {
  return (s == NULLPTR) ? "" : s->str();
}

// Read interface classes. We do not fully deserialize the flatbuffers so that
// individual fields metadata can be retrieved from very large schema without