Method Init

cpp/src/arrow/acero/tpch_node.cc:2690–2697

      : gen_(std::move(gen)) {}

  Status Init(std::vector<std::string> columns, double scale_factor, int64_t batch_size,
              int64_t seed) override {
    seed_ = seed;
    scale_factor_ = scale_factor;
    batch_size_ = batch_size;
    ARROW_ASSIGN_OR_RAISE(schema_, gen_->SetPartOutputColumns(columns));
    return Status::OK();
  }

  Status StartProducing(size_t num_threads, OutputBatchCallback output_callback,
                        FinishedCallback finished_callback,