ClickHouse/dbms/src/IO/CompressedReadBuffer.h
2017-05-28 16:29:40 +02:00

34 lines
641 B
C++

#pragma once
#include <IO/CompressedReadBufferBase.h>
#include <IO/BufferWithOwnMemory.h>
#include <IO/ReadBuffer.h>
namespace DB
{
class CompressedReadBuffer : public CompressedReadBufferBase, public BufferWithOwnMemory<ReadBuffer>
{
private:
size_t size_compressed = 0;
bool nextImpl() override;
public:
CompressedReadBuffer(ReadBuffer & in_)
: CompressedReadBufferBase(&in_), BufferWithOwnMemory<ReadBuffer>(0)
{
}
size_t readBig(char * to, size_t n) override;
/// The compressed size of the current block.
size_t getSizeCompressed() const
{
return size_compressed;
}
};
}