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// 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.
#include <arrow/csv/api.h>
#include <arrow/io/api.h>
#include <arrow/ipc/api.h>
#include <arrow/pretty_print.h>
#include <arrow/result.h>
#include <arrow/status.h>
#include <arrow/table.h>
#include <iostream>
using arrow::Status;
namespace {
Status RunMain(int argc, char** argv) {
const char* csv_filename = "test.csv";
const char* arrow_filename = "test.arrow";
std::cerr << "* Reading CSV file '" << csv_filename << "' into table" << std::endl;
ARROW_ASSIGN_OR_RAISE(auto input_file, arrow::io::ReadableFile::Open(csv_filename));
ARROW_ASSIGN_OR_RAISE(auto csv_reader, arrow::csv::TableReader::Make(
arrow::io::default_io_context(), input_file,
arrow::csv::ReadOptions::Defaults(),
arrow::csv::ParseOptions::Defaults(),
arrow::csv::ConvertOptions::Defaults()));
ARROW_ASSIGN_OR_RAISE(auto table, csv_reader->Read());
std::cerr << "* Read table:" << std::endl;
ARROW_RETURN_NOT_OK(arrow::PrettyPrint(*table, {}, &std::cerr));
std::cerr << "* Writing table into Arrow IPC file '" << arrow_filename << "'"
<< std::endl;
ARROW_ASSIGN_OR_RAISE(auto output_file,
arrow::io::FileOutputStream::Open(arrow_filename));
ARROW_ASSIGN_OR_RAISE(auto batch_writer,
arrow::ipc::MakeFileWriter(output_file, table->schema()));
ARROW_RETURN_NOT_OK(batch_writer->WriteTable(*table));
ARROW_RETURN_NOT_OK(batch_writer->Close());
return Status::OK();
}
} // namespace
int main(int argc, char** argv) {
Status st = RunMain(argc, argv);
if (!st.ok()) {
std::cerr << st << std::endl;
return 1;
}
return 0;
}
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