mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-03 23:20:48 +00:00
21 lines
315 B
C++
21 lines
315 B
C++
#pragma once
|
|
|
|
#include <DataStreams/IBlockInputStream.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/** Empty stream of blocks.
|
|
*/
|
|
class NullBlockInputStream : public IBlockInputStream
|
|
{
|
|
public:
|
|
Block read() override { return Block(); }
|
|
String getName() const override { return "Null"; }
|
|
|
|
String getID() const override;
|
|
};
|
|
|
|
}
|