J_3G_BELEGNR_ALLGEMEIN SAP Function module - Check Document Number General

J_3G_BELEGNR_ALLGEMEIN 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 J_3G_BELEGNR_ALLGEMEIN into the relevant SAP transaction such as SE37 or SE80.

Associated Function Group: J3GB
Released Date: Not Released
Processing type: Normal fucntion module

Pattern for FM J_3G_BELEGNR_ALLGEMEIN - J 3G BELEGNR ALLGEMEIN

CALL FUNCTION 'J_3G_BELEGNR_ALLGEMEIN' "Check Document Number General
  EXPORTING
    i_trtyp =                   "               Transaction Type
    i_belnr =                   " j_3gbelk-j_3gbelnr  (External) Document Number
  EXCEPTIONS
    BELNR_VORHANDEN = 1         "               Document Number Exists
    .  "  J_3G_BELEGNR_ALLGEMEIN

ABAP code example for Function Module J_3G_BELEGNR_ALLGEMEIN

The ABAP code below is a full code listing to execute function module J_3G_BELEGNR_ALLGEMEIN 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_i_trtyp) = 'some text here'.
 

SELECT single J_3GBELNR 
  FROM J_3GBELK 
  INTO @DATA(ld_i_belnr).

.

CALL FUNCTION 'J_3G_BELEGNR_ALLGEMEIN'
  EXPORTING
    i_trtyp =                    ld_i_trtyp
    i_belnr =                    ld_i_belnr
  EXCEPTIONS
    BELNR_VORHANDEN =            1
    .  "  J_3G_BELEGNR_ALLGEMEIN

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_i_trtyp
 
 TYPE STRING ,
ld_i_belnr
 
 TYPE J_3GBELK-J_3GBELNR .


ld_i_trtyp = 'some text here'.

SELECT single J_3GBELNR 
  FROM J_3GBELK 
  INTO ld_i_belnr.