2011-11-06 06:22:52 +00:00
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#pragma once
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#include <DB/DataStreams/IProfilingBlockInputStream.h>
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namespace DB
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{
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/** Преобразует столбцы-константы в полноценные столбцы ("материализует" их).
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*/
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class MaterializingBlockInputStream : public IProfilingBlockInputStream
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{
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public:
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2016-08-10 19:12:29 +00:00
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MaterializingBlockInputStream(BlockInputStreamPtr input_);
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String getName() const override;
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String getID() const override;
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2013-05-03 10:20:53 +00:00
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2012-10-20 02:10:47 +00:00
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protected:
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2016-08-10 19:12:29 +00:00
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Block readImpl() override;
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2011-11-06 06:22:52 +00:00
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};
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}
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