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| /* | ||
| * Copyright (c) 2024, NVIDIA CORPORATION. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
|
|
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| #include "tpch_datagen.hpp" | ||
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| #include <cudf/detail/nvtx/ranges.hpp> | ||
| #include <cudf/io/parquet.hpp> | ||
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| /** | ||
| * @brief Write a `cudf::table` to a parquet file | ||
| * | ||
| * @param table The cudf::table to write | ||
| * @param path The path to write the parquet file to | ||
| * @param col_names The names of the columns in the table | ||
| */ | ||
| void write_parquet(std::unique_ptr<cudf::table> table, | ||
| std::string const& path, | ||
| std::vector<std::string> const& col_names) | ||
| { | ||
| CUDF_FUNC_RANGE(); | ||
| cudf::io::table_metadata metadata; | ||
| std::vector<cudf::io::column_name_info> col_name_infos; | ||
| for (auto& col_name : col_names) { | ||
| col_name_infos.push_back(cudf::io::column_name_info(col_name)); | ||
| } | ||
| metadata.schema_info = col_name_infos; | ||
| auto const table_input_metadata = cudf::io::table_input_metadata{metadata}; | ||
| auto builder = cudf::io::chunked_parquet_writer_options::builder(cudf::io::sink_info(path)); | ||
| builder.metadata(table_input_metadata); | ||
| auto const options = builder.build(); | ||
| cudf::io::parquet_chunked_writer(options).write(table->view()); | ||
| } | ||
|
|
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| int main(int argc, char** argv) | ||
| { | ||
| if (argc < 2) { | ||
| std::cerr << "Usage: " << argv[0] << " [scale_factor]" << std::endl; | ||
| return 1; | ||
| } | ||
|
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| double scale_factor = std::atof(argv[1]); | ||
| std::cout << "Generating scale factor: " << scale_factor << std::endl; | ||
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| auto [orders, lineitem, part] = cudf::datagen::generate_orders_lineitem_part( | ||
| scale_factor, cudf::get_default_stream(), rmm::mr::get_current_device_resource()); | ||
| write_parquet(std::move(orders), "orders.parquet", cudf::datagen::schema::ORDERS); | ||
| write_parquet(std::move(lineitem), "lineitem.parquet", cudf::datagen::schema::LINEITEM); | ||
| write_parquet(std::move(part), "part.parquet", cudf::datagen::schema::PART); | ||
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| auto partsupp = cudf::datagen::generate_partsupp( | ||
| scale_factor, cudf::get_default_stream(), rmm::mr::get_current_device_resource()); | ||
| write_parquet(std::move(partsupp), "partsupp.parquet", cudf::datagen::schema::PARTSUPP); | ||
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| auto supplier = cudf::datagen::generate_supplier( | ||
| scale_factor, cudf::get_default_stream(), rmm::mr::get_current_device_resource()); | ||
| write_parquet(std::move(supplier), "supplier.parquet", cudf::datagen::schema::SUPPLIER); | ||
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| auto customer = cudf::datagen::generate_customer( | ||
| scale_factor, cudf::get_default_stream(), rmm::mr::get_current_device_resource()); | ||
| write_parquet(std::move(customer), "customer.parquet", cudf::datagen::schema::CUSTOMER); | ||
|
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| auto nation = cudf::datagen::generate_nation(cudf::get_default_stream(), | ||
| rmm::mr::get_current_device_resource()); | ||
| write_parquet(std::move(nation), "nation.parquet", cudf::datagen::schema::NATION); | ||
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| auto region = cudf::datagen::generate_region(cudf::get_default_stream(), | ||
| rmm::mr::get_current_device_resource()); | ||
| write_parquet(std::move(region), "region.parquet", cudf::datagen::schema::REGION); | ||
| } |
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