team-10/venv/Lib/site-packages/pyarrow/include/arrow/acero/tpch_node.h
2025-08-02 02:00:33 +02:00

65 lines
2.6 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "arrow/acero/type_fwd.h"
#include "arrow/acero/visibility.h"
#include "arrow/result.h"
#include "arrow/status.h"
namespace arrow {
namespace acero {
namespace internal {
class ARROW_ACERO_EXPORT TpchGen {
public:
virtual ~TpchGen() = default;
/*
* \brief Create a factory for nodes that generate TPC-H data
*
* Note: Individual tables will reference each other. It is important that you only
* create a single TpchGen instance for each plan and then you can create nodes for each
* table from that single TpchGen instance. Note: Every batch will be scheduled as a new
* task using the ExecPlan's scheduler.
*/
static Result<std::unique_ptr<TpchGen>> Make(
ExecPlan* plan, double scale_factor = 1.0, int64_t batch_size = 4096,
std::optional<int64_t> seed = std::nullopt);
// The below methods will create and add an ExecNode to the plan that generates
// data for the desired table. If columns is empty, all columns will be generated.
// The methods return the added ExecNode, which should be used for inputs.
virtual Result<ExecNode*> Supplier(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> Part(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> PartSupp(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> Customer(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> Orders(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> Lineitem(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> Nation(std::vector<std::string> columns = {}) = 0;
virtual Result<ExecNode*> Region(std::vector<std::string> columns = {}) = 0;
};
} // namespace internal
} // namespace acero
} // namespace arrow