1 | #include <Processors/ISimpleTransform.h> |
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2 | |
3 | namespace DB |
4 | { |
5 | |
6 | /// Converts columns-constants to full columns ("materializes" them). |
7 | class MaterializingTransform : public ISimpleTransform |
8 | { |
9 | public: |
10 | explicit MaterializingTransform(const Block & header); |
11 | |
12 | String getName() const override { return "MaterializingTransform"; } |
13 | |
14 | protected: |
15 | void transform(Chunk & chunk) override; |
16 | }; |
17 | |
18 | } |
19 |