#pragma once

#include <DB/DataStreams/IBlockInputStream.h>


namespace DB
{

/** Пустой поток блоков.
  */
class NullBlockInputStream : public IBlockInputStream
{
public:
	Block read() { return Block(); }
	String getName() const { return "NullBlockInputStream"; }
	BlockInputStreamPtr clone() { return new NullBlockInputStream(); }
};

}