#pragma once #include namespace DB { class StorageSystemMerges : public IStorage { public: static StoragePtr create(const std::string & name); std::string getName() const override { return "SystemMerges"; } std::string getTableName() const override { return name; } const NamesAndTypesList & getColumnsListImpl() const override { return columns; } BlockInputStreams read( const Names & column_names, ASTPtr query, const Context & context, const Settings & settings, QueryProcessingStage::Enum & processed_stage, size_t max_block_size = DEFAULT_BLOCK_SIZE, unsigned threads = 1) override; private: const std::string name; NamesAndTypesList columns; StorageSystemMerges(const std::string & name); }; }