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