ClickHouse/dbms/src/Compression/CompressionCodecMultiple.h

33 lines
736 B
C++

#pragma once
#include <Compression/ICompressionCodec.h>
namespace DB
{
class CompressionCodecMultiple final : public ICompressionCodec
{
public:
CompressionCodecMultiple() = default;
explicit CompressionCodecMultiple(Codecs codecs);
UInt8 getMethodByte() const override;
String getCodecDesc() const override;
UInt32 getMaxCompressedDataSize(UInt32 uncompressed_size) const override;
void useInfoAboutType(DataTypePtr data_type) override;
protected:
UInt32 doCompressData(const char * source, UInt32 source_size, char * dest) const override;
void doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const override;
private:
Codecs codecs;
};
}