SELECT 'Nul\0able\0String)Nul\0\0ble(String)Nul\0able(String)Nul\0able(String)', NULL AND 2, '', number, NULL AS k FROM ( SELECT materialize(NULL) OR materialize(-9223372036854775808), number FROM system.numbers LIMIT 1000000 ) ORDER BY k ASC, number ASC, k ASC LIMIT 1023, 1023 SETTINGS max_bytes_before_external_sort = 1000000 FORMAT Null;