#pragma once #include namespace DB { class Context; /** System table "time_zones" with list of timezones pulled from /contrib/cctz/testdata/zoneinfo */ class StorageSystemTimeZones final : public IStorageSystemOneBlock { public: void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override; using IStorageSystemOneBlock::IStorageSystemOneBlock; public: std::string getName() const override { return "SystemTimeZones"; } static NamesAndTypesList getNamesAndTypes(); }; }