ClickHouse/utils/check-marks/main.cpp
2020-12-29 22:41:17 +03:00

86 lines
2.5 KiB
C++

#include <iostream>
#include <boost/program_options.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <Compression/CompressedWriteBuffer.h>
#include <Compression/CompressedReadBuffer.h>
#include <IO/WriteHelpers.h>
#include <IO/Operators.h>
#include <IO/ReadBufferFromFile.h>
#include <IO/ReadHelpers.h>
#include <IO/WriteBufferFromFileDescriptor.h>
#include <Compression/CompressedReadBufferFromFile.h>
/** This program checks correctness of .mrk/.mrk2 (marks) file for corresponding compressed .bin file.
*/
static void checkByCompressedReadBuffer(const std::string & mrk_path, const std::string & bin_path)
{
DB::ReadBufferFromFile mrk_in(mrk_path);
DB::CompressedReadBufferFromFile bin_in(bin_path, 0, 0, 0);
DB::WriteBufferFromFileDescriptor out(STDOUT_FILENO);
bool mrk2_format = boost::algorithm::ends_with(mrk_path, ".mrk2");
for (size_t mark_num = 0; !mrk_in.eof(); ++mark_num)
{
UInt64 offset_in_compressed_file = 0;
UInt64 offset_in_decompressed_block = 0;
UInt64 index_granularity_rows = 0;
DB::readBinary(offset_in_compressed_file, mrk_in);
DB::readBinary(offset_in_decompressed_block, mrk_in);
out << "Mark " << mark_num << ", points to " << offset_in_compressed_file << ", " << offset_in_decompressed_block;
if (mrk2_format)
{
DB::readBinary(index_granularity_rows, mrk_in);
out << ", has rows after " << index_granularity_rows;
}
bin_in.seek(offset_in_compressed_file, offset_in_decompressed_block);
out << ", decompressed size " << bin_in.available();
out << ".\n" << DB::flush;
}
}
int main(int argc, char ** argv)
{
boost::program_options::options_description desc("Allowed options");
desc.add_options()
("help,h", "produce help message")
;
boost::program_options::variables_map options;
boost::program_options::store(boost::program_options::parse_command_line(argc, argv, desc), options);
if (options.count("help") || argc != 3)
{
std::cout << "Usage: " << argv[0] << " file.mrk[2] file.bin" << std::endl;
std::cout << desc << std::endl;
return 1;
}
try
{
checkByCompressedReadBuffer(argv[1], argv[2]);
}
catch (const DB::Exception & e)
{
std::cerr << e.what() << ", " << e.message() << std::endl
<< std::endl
<< "Stack trace:" << std::endl
<< e.getStackTraceString()
<< std::endl;
throw;
}
return 0;
}