DISPLAY_RESERVATION SAP Function module

DISPLAY_RESERVATION is a standard SAP function module available within R/3 SAP systems depending on your version and release level. Below is the pattern details for this FM showing its interface including any import and export parameters, exceptions etc as well as any documentation contributions (Comments) specific to the object.

See here to view full function module documentation and code listing, simply by entering the name DISPLAY_RESERVATION into the relevant SAP transaction such as SE37 or SE80.

Associated Function Group: FMR0
Released Date: Not Released
Processing type: Normal fucntion module

Pattern for FM DISPLAY_RESERVATION - DISPLAY RESERVATION

CALL FUNCTION 'DISPLAY_RESERVATION' "
  EXPORTING
    i_belnr =                   " kblk-belnr    Document number
*   i_blpos =                   " kblp-blpos    Line item
*   i_bltyp =                   " kblk-bltyp
  IMPORTING
    e_cancel =                  " boole-boole
  EXCEPTIONS
    NOT_FOUND = 1               "               Document number does not exist
    .  "  DISPLAY_RESERVATION

ABAP code example for Function Module DISPLAY_RESERVATION

The ABAP code below is a full code listing to execute function module DISPLAY_RESERVATION including all data declarations. The code uses the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the original method of declaring data variables up front. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8).

DATA:
ld_e_cancel  
 
 TYPE BOOLE-BOOLE
.

 

SELECT single BELNR 
  FROM KBLK 
  INTO @DATA(ld_i_belnr).

 

SELECT single BLPOS 
  FROM KBLP 
  INTO @DATA(ld_i_blpos).

 

SELECT single BLTYP 
  FROM KBLK 
  INTO @DATA(ld_i_bltyp).

.

CALL FUNCTION 'DISPLAY_RESERVATION'
  EXPORTING
    i_belnr =                    ld_i_belnr
*   i_blpos =                    ld_i_blpos
*   i_bltyp =                    ld_i_bltyp
  IMPORTING
    e_cancel =                   ld_e_cancel
  EXCEPTIONS
    NOT_FOUND =                  1
    .  "  DISPLAY_RESERVATION

IF SY-SUBRC EQ 0.
  "All OK
ELSEIF SY-SUBRC EQ 1. "Exception
  "Add code for exception here
ENDIF.

ABAP code to compare 7.40 inline data declaration with original syntax

The below ABAP code uses the older none in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. It may also be useful if you are using an older version of SAP as some of the newer syntax above, such as the @DATA is not available until 4.70 EHP 8.

DATA:

ld_e_cancel
 
 TYPE BOOLE-BOOLE ,
ld_i_belnr
 
 TYPE KBLK-BELNR ,
ld_i_blpos
 
 TYPE KBLP-BLPOS ,
ld_i_bltyp
 
 TYPE KBLK-BLTYP .



SELECT single BELNR 
  FROM KBLK 
  INTO ld_i_belnr.


SELECT single BLPOS 
  FROM KBLP 
  INTO ld_i_blpos.


SELECT single BLTYP 
  FROM KBLK 
  INTO ld_i_bltyp.