I am trying to launch this sql with hql and it doesn't work due to '* interval' expression.
The sql calculates the avg in 5 mins intervals.
How could be changed the sql to make it works with hql?

SELECT date_trunc('hour', update_timestamp) + (( cast (date_part('minute', update_timestamp) as int) / 5) +1) * interval '5 min' AS minute
      ,  sum(t.free_spaces) as orders_count
FROM  myTable t
GROUP BY 1 ORDER BY 1 ASC