ClickHouse/dbms/include/DB/DataStreams/NullBlockInputStream.h
proller b6e01cd47e Fix isolated usage of all .h files, move some code to .cpp (#578)
* split ColumnAggregateFunction.h

* format

* Allow use re2_st without cmake

* use std type in find_first_symbols.h

* fix ArrayEvaluator.h

* include fixes

* split ColumnConstAggregateFunction.h

* fix StorageMaterializedView.h

* split AddingDefaultBlockOutputStream.h

* move CSVRowInputStream::updateDiagnosticInfo to .cpp

* split ParserEnumElement.h

* format

* split DB/Parsers/ParserUseQuery.h

* clean
2017-03-11 04:27:59 +04:00

21 lines
323 B
C++

#pragma once
#include <DB/DataStreams/IBlockInputStream.h>
namespace DB
{
/** Пустой поток блоков.
*/
class NullBlockInputStream : public IBlockInputStream
{
public:
Block read() override { return Block(); }
String getName() const override { return "Null"; }
String getID() const override;
};
}