SELECT length(URL) > 1000 ? 'LONG' : 'SHORT' as x FROM hits_100m_single GROUP BY x FORMAT Null SELECT transform(number, [2, 4, 6], ['google', 'yandex', 'yahoo'], 'other') as x FROM numbers(100000000) GROUP BY x FORMAT Null SELECT length(URL) > 1000 ? 'LONG' : 'SHORT' as x FROM hits_100m_single GROUP BY x FORMAT Null SETTINGS optimize_if_transform_strings_to_enum = 1 SELECT transform(number, [2, 4, 6], ['google', 'yandex', 'yahoo'], 'other') as x FROM numbers(100000000) GROUP BY x FORMAT Null SETTINGS optimize_if_transform_strings_to_enum = 1