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27 lines
808 B
C++
27 lines
808 B
C++
#pragma once
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#include <common/shared_ptr_helper.h>
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#include <Storages/System/StorageSystemPartsBase.h>
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namespace DB
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{
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class Context;
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/** Implements system table 'projection_parts' which allows to get information about projection parts for tables of MergeTree family.
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*/
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class StorageSystemProjectionParts final : public shared_ptr_helper<StorageSystemProjectionParts>, public StorageSystemPartsBase
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{
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friend struct shared_ptr_helper<StorageSystemProjectionParts>;
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public:
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std::string getName() const override { return "SystemProjectionParts"; }
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protected:
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explicit StorageSystemProjectionParts(const StorageID & table_id_);
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void processNextStorage(
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MutableColumns & columns, std::vector<UInt8> & columns_mask, const StoragesInfo & info, bool has_state_column) override;
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};
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}
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