pydef py_sin(s:int) ->float:
    "sinus function : example loading module, handling input/output as strings"
    import math as py_math
    return ( py_math.sin(s*1));
WITH RECURSIVE
  cnt(x) AS (
     SELECT 1
     UNION ALL
     SELECT x+1 FROM cnt
      where x < 300000
  )

select sum(py_sin(x))  from cnt 

WITH RECURSIVE
  cnt(x) AS (
     SELECT 1
     UNION ALL
     SELECT x+1 FROM cnt
      where x < 300000 
  )

select sum(sin(x))  from cnt