SQL Query to find sales order lines whose workflow is Purged

Select Line_Id, flow_status_code,ordered_quantity,shipped_quantity, fulfilled_flag, invoice_interface_status_code
From Oe_Order_Lines_All l
where open_flag = 'Y'
And not Exists
(Select 1 From Wf_Items W
Where W.Item_Type='OEOL'
and w.item_key = to_char(l.line_id));