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34 lines
840 B
C++
34 lines
840 B
C++
#pragma once
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#include <ext/shared_ptr_helper.h>
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#include <Storages/IStorage.h>
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namespace DB
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{
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/* One block storage used for values table function
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* It's structure is similar to IStorageSystemOneBlock
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*/
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class StorageValues final : public ext::shared_ptr_helper<StorageValues>, public IStorage
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{
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friend struct ext::shared_ptr_helper<StorageValues>;
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public:
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std::string getName() const override { return "Values"; }
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Pipes read(
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const Names & column_names,
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const SelectQueryInfo & query_info,
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const Context & context,
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QueryProcessingStage::Enum processed_stage,
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size_t max_block_size,
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unsigned num_streams) override;
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private:
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Block res_block;
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protected:
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StorageValues(const StorageID & table_id_, const ColumnsDescription & columns_, const Block & res_block_);
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};
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}
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