SQL-MapReduce Call - Aster Analytics

This call finds the employees who report to employee 100 (either directly or indirectly) by traversing the tree of employees from employee 100 downward.

SELECT * FROM ntree (
  ON employee_table PARTITION BY 1
  Root_Node (mgr_id IS NULL)
  Node_ID (emp_id)
  Parent_ID (mgr_id)
  Starts_With (emp_id=100) 
  Mode ('down') 
  Output ('end')
  Result (PATH(emp_name) AS path)
) ORDER BY 1;