смените на улей ql ... (※ hive version 1.2.1000.2.6.3.0-235)
select to_timestamp('20180715080125', 'YYYYMMDDHH24MISS') - to_timestamp('20180721' || (000059 + 991709 ), 'YYYYMMDDHH24MISS') from DUAL;
результат должен быть -9 19:16:43
※ -----
to_timestamp('20180715080125', 'YYYYMMDDHH24MISS')
>> 2018-07-15 08:01:25
to_timestamp('20180721' || (000059 + 991709 ), 'YYYYMMDDHH24MISS')
>> 2018-07-25 03:18:08
спасибо ...