ClickHouse/dbms/src/Columns/ColumnNothing.h

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#pragma once
#include <Columns/IColumnDummy.h>
namespace DB
{
class ColumnNothing final : public IColumnDummy
{
public:
using IColumnDummy::IColumnDummy;
const char * getFamilyName() const override { return "Nothing"; }
ColumnPtr cloneDummy(size_t s) const override { return std::make_shared<ColumnNothing>(s); };
};
}