Method code

cpp/src/arrow/c/bridge.h:425–425

code is an errno-compatible error code

  std::string ToString() const override { return message_; }
  // code is an errno-compatible error code
  int code() const { return code_; }
  // returns any metadata that was returned with the error, likely in a
  // key-value format similar to ArrowSchema metadata
  const std::string& ErrorMetadataString() const { return metadata_; }