ClickHouse/src/IO/NullWriteBuffer.h
2020-04-03 18:14:31 +03:00

19 lines
436 B
C++

#pragma once
#include <IO/WriteBuffer.h>
#include <IO/BufferWithOwnMemory.h>
#include <boost/noncopyable.hpp>
namespace DB
{
/// Simply do nothing, can be used to measure amount of written bytes.
class NullWriteBuffer : public BufferWithOwnMemory<WriteBuffer>, boost::noncopyable
{
public:
NullWriteBuffer(size_t buf_size = 16<<10, char * existing_memory = nullptr, size_t alignment = false);
void nextImpl() override;
};
}