cpp/tools/commands/cmd_meta.cc

/*
 * 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 <string>

#include "cli/exit_codes.h"
#include "commands/commands.h"
#include "commands/statistics.h"
#include "reader/tsfile_reader.h"

namespace tsfile_cli {

int cmd_meta(const ParsedArgs& args, storage::TsFileReader& reader,
             OutputFormat fmt, std::ostream& out, std::ostream& err) {
    FileSummary s;
    const int summary_ret = collect_file_summary(args, reader, s, err);
    if (summary_ret != kExitOk) {
        return summary_ret;
    }
    RowWriter w(out, fmt, {"size_bytes", "format_version", "model"},
                {common::INT64, common::INT64, common::STRING}, false);
    if (!w.write({std::to_string(s.file_size_bytes),
                  std::to_string(reader.get_file_version()), s.model},
                 {false, false, false}) ||
        !w.finish()) {
        err << "Error: failed to write output\n";
        return kExitRuntime;
    }
    return kExitOk;
}

}  // namespace tsfile_cli