#pragma once #include namespace DB { class StorageSystemDataTypeFamilies final : public IStorageSystemOneBlock { protected: void fillData(MutableColumns & res_columns, ContextPtr, const ActionsDAG::Node *, std::vector) const override; using IStorageSystemOneBlock::IStorageSystemOneBlock; public: std::string getName() const override { return "SystemTableDataTypeFamilies"; } static ColumnsDescription getColumnsDescription(); }; }