Method CreateNode

cpp/src/arrow/acero/tpch_node.cc:3464–3470

template <typename Generator>
Result<ExecNode*> TpchGenImpl::CreateNode(const char* name,
                                          std::vector<std::string> columns) {
  std::unique_ptr<Generator> generator = std::make_unique<Generator>();
  RETURN_NOT_OK(generator->Init(std::move(columns), scale_factor_, batch_size_,
                                kSeedDist(seed_rng_)));
  return plan_->EmplaceNode<TpchNode>(plan_, name, std::move(generator));
}

Result<ExecNode*> TpchGenImpl::Supplier(std::vector<std::string> columns) {
  return CreateNode<SupplierGenerator>("Supplier", std::move(columns));