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31 lines
531 B
C++
31 lines
531 B
C++
#include <Processors/ISimpleTransform.h>
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namespace DB
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{
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class ExtremesTransform : public ISimpleTransform
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{
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public:
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explicit ExtremesTransform(const Block & header);
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String getName() const override { return "ExtremesTransform"; }
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OutputPort & getExtremesPort() { return outputs.back(); }
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Status prepare() override;
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void work() override;
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protected:
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void transform(Chunk & chunk) override;
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bool finished_transform = false;
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Chunk extremes;
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private:
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MutableColumns extremes_columns;
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};
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}
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