Function ReadSchema

cpp/src/arrow/ipc/reader.cc:2247–2256

ReadStats StreamDecoder::stats() const { return impl_->stats(); }

Result<std::shared_ptr<Schema>> ReadSchema(io::InputStream* stream,
                                           DictionaryMemo* dictionary_memo) {
  std::unique_ptr<MessageReader> reader = MessageReader::Open(stream);
  ARROW_ASSIGN_OR_RAISE(std::unique_ptr<Message> message, reader->ReadNextMessage());
  if (!message) {
    return Status::Invalid("Tried reading schema message, was null or length 0");
  }
  CHECK_MESSAGE_TYPE(MessageType::SCHEMA, message->type());
  return ReadSchema(*message, dictionary_memo);
}

Result<std::shared_ptr<Schema>> ReadSchema(const Message& message,
                                           DictionaryMemo* dictionary_memo) {