讀取工藝路線的函式

   call function 'CARO_ROUTING_READ'
      exporting
       date_from                  = sy-datum
*       DATE_TO                    = '99991231'
        plnty                      = 'N'
        plnnr                      = i_mapl-plnnr ”任務清單型別
        plnal                      = i_mapl-plnal “任務清單組碼
       matnr                      = i_mapl-matnr ”

       buffer_del_flg             = 'X'
       delete_all_cal_flg         = 'X'
       adapt_flg                  = 'X'
*       IV_CREATE_ADD_CHANGE       = ' '
     tables
*       TSK_TAB                    = TSK_TAB
*       SEQ_TAB                    = SEQ_TAB
       opr_tab                    = opr_tab  "工序資料（每道工序的控制碼，工作中心，時間等）
*       PHASE_TAB                  = PHASE_TAB
*       SUBOPR_TAB                 = SUBOPR_TAB
*       REL_TAB                    = REL_TAB
       com_tab                    = com_tab “工藝路線的元件
*       REFERR_TAB                 = REFERR_TAB
*       REFMIS_TAB                 = REFMIS_TAB
     exceptions
       not_found                  = 1
       ref_not_exp                = 2
       not_valid                  = 3
              .