Query to get Employee Assignment Status in Oracle Fusion

SELECT papf.person_number

      ,pastt.user_status assignment_status

  FROM per_all_people_f papf

      ,per_all_assignments_m paam

  ,per_assignment_status_types past

  ,per_assignment_status_types_tl pastt

 WHERE papf.person_id = paam.person_id

   AND paam.assignment_status_type_id = past.assignment_status_type_id

   AND past.assignment_status_type_id = pastt.assignment_status_type_id

   AND pastt.source_lang = USERENV('LANG')

   AND TRUNC(SYSDATE) BETWEEN papf.effective_start_date AND papf.effective_end_date

   AND paam.primary_assignment_flag = 'Y'

   AND paam.assignment_type = 'E'

   and paam.effective_latest_change = 'Y'

   AND TRUNC(SYSDATE) BETWEEN paam.effective_start_date AND paam.effective_end_date

   AND TRUNC(SYSDATE) BETWEEN past.start_date AND NVL(past.end_date,SYSDATE)

   AND papf.person_number = nvl(:p_person_number,papf.person_number)

ORDER BY papf.person_number asc

        ,pastt.user_status