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#pragma once
#include <Processors/QueryPlan/ISourceStep.h>
namespace DB
{
/// Create NullSource with specified structure.
class ReadNothingStep : public ISourceStep
{
public:
explicit ReadNothingStep(Block output_header);
String getName() const override { return "ReadNothing"; }
void initializePipeline(QueryPipelineBuilder & pipeline, const BuildQueryPipelineSettings &) override;
};
}
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