896: end if;
897:
898: SELECT po_approval_list_headers_s.nextval
899: INTO l_new_approval_list_header_id 900: FROM sys.dual; 901:
902: SELECT approval_list_header_id, current_sequence_num
903: INTO l_old_approval_list_header_id, l_old_current_sequence_num
904: FROM po_approval_list_headers