ClickHouse/dbms/src/Processors/Transforms/ExpressionTransform.h
2019-04-10 14:04:56 +03:00

27 lines
582 B
C++

#pragma once
#include <Processors/ISimpleTransform.h>
namespace DB
{
class ExpressionActions;
using ExpressionActionsPtr = std::shared_ptr<ExpressionActions>;
class ExpressionTransform : public ISimpleTransform
{
public:
ExpressionTransform(const Block & header, ExpressionActionsPtr expression, bool on_totals = false, bool default_totals = false);
String getName() const override { return "ExpressionTransform"; }
protected:
void transform(Chunk & chunk) override;
private:
ExpressionActionsPtr expression;
bool on_totals;
bool default_totals;
};
}