Function GetPayloadSize

cpp/src/arrow/ipc/writer.cc:1115–1122

}

int64_t GetPayloadSize(const IpcPayload& payload, const IpcWriteOptions& options) {
  const int32_t prefix_size = options.write_legacy_ipc_format ? 4 : 8;
  const int32_t flatbuffer_size = static_cast<int32_t>(payload.metadata->size());
  const int32_t padded_message_length = static_cast<int32_t>(
      PaddedLength(flatbuffer_size + prefix_size, options.alignment));
  // body_length already accounts for padding
  return payload.body_length + padded_message_length;
}

Status GetRecordBatchSize(const RecordBatch& batch, int64_t* size) {
  return GetRecordBatchSize(batch, IpcWriteOptions::Defaults(), size);