mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-02 20:42:04 +00:00
dfd8ff7675
Added Gorilla column encoding for any fixed-width type; Added tests for Float32 and Float64 values.
31 lines
693 B
C++
31 lines
693 B
C++
#pragma once
|
|
|
|
#include <Compression/ICompressionCodec.h>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
class CompressionCodecGorilla : public ICompressionCodec
|
|
{
|
|
public:
|
|
CompressionCodecGorilla(UInt8 data_bytes_size_);
|
|
|
|
UInt8 getMethodByte() const override;
|
|
|
|
String getCodecDesc() 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;
|
|
|
|
UInt32 getMaxCompressedDataSize(UInt32 uncompressed_size) const override;
|
|
|
|
private:
|
|
UInt8 data_bytes_size;
|
|
};
|
|
|
|
}
|