ClickHouse/src/Processors/QueryPlan/FillingStep.h
2022-06-27 13:16:52 +02:00

32 lines
965 B
C++

#pragma once
#include <Processors/QueryPlan/ITransformingStep.h>
#include <Core/SortDescription.h>
#include <Core/InterpolateDescription.h>
namespace DB
{
/// Implements modifier WITH FILL of ORDER BY clause. See FillingTransform.
class FillingStep : public ITransformingStep
{
public:
FillingStep(const DataStream & input_stream_, SortDescription sort_description_, InterpolateDescriptionPtr interpolate_description_);
String getName() const override { return "Filling"; }
void transformPipeline(QueryPipelineBuilder & pipeline, const BuildQueryPipelineSettings &) override;
void describeActions(JSONBuilder::JSONMap & map) const override;
void describeActions(FormatSettings & settings) const override;
const SortDescription & getSortDescription() const { return sort_description; }
private:
void updateOutputStream() override;
SortDescription sort_description;
InterpolateDescriptionPtr interpolate_description;
};
}