WRF_TWML_SINGLE_READ SAP Function module - Select Single * from TWML

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

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

Pattern for FM WRF_TWML_SINGLE_READ - WRF TWML SINGLE READ

CALL FUNCTION 'WRF_TWML_SINGLE_READ' "Select Single * from TWML
  EXPORTING
*   kzrfb = ' '                 " mtcom-kzrfb   Indicator: Refresh Buffer Entry
    twml_laygr =                " twml-laygr
*   twmlt_spras =               " twmlt-spras   Language Key
  IMPORTING
    wtwml =                     " twml
    wtwmlt =                    " twmlt         Layout module descriptions
  EXCEPTIONS
    NOT_FOUND = 1               "
    DESC_NOT_FOUND = 2          "
    .  "  WRF_TWML_SINGLE_READ

ABAP code example for Function Module WRF_TWML_SINGLE_READ

The ABAP code below is a full code listing to execute function module WRF_TWML_SINGLE_READ 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_wtwml  
 
 TYPE TWML
,
ld_wtwmlt  
 
 TYPE TWMLT
.



DATA(ld_kzrfb) = some text here
 

SELECT single LAYGR 
  FROM TWML 
  INTO @DATA(ld_twml_laygr).

 

SELECT single SPRAS 
  FROM TWMLT 
  INTO @DATA(ld_twmlt_spras).

.

CALL FUNCTION 'WRF_TWML_SINGLE_READ'
  EXPORTING
*   kzrfb =                      ld_kzrfb
    twml_laygr =                 ld_twml_laygr
*   twmlt_spras =                ld_twmlt_spras
  IMPORTING
    wtwml =                      ld_wtwml
    wtwmlt =                     ld_wtwmlt
  EXCEPTIONS
    NOT_FOUND =                  1
    DESC_NOT_FOUND =             2
    .  "  WRF_TWML_SINGLE_READ

IF SY-SUBRC EQ 0.
  "All OK
ELSEIF SY-SUBRC EQ 1. "Exception
  "Add code for exception here
ELSEIF SY-SUBRC EQ 2. "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_wtwml
 
 TYPE TWML ,
ld_kzrfb
 
 TYPE MTCOM-KZRFB ,
ld_wtwmlt
 
 TYPE TWMLT ,
ld_twml_laygr
 
 TYPE TWML-LAYGR ,
ld_twmlt_spras
 
 TYPE TWMLT-SPRAS .



ld_kzrfb = some text here

SELECT single LAYGR 
  FROM TWML 
  INTO ld_twml_laygr.


SELECT single SPRAS 
  FROM TWMLT 
  INTO ld_twmlt_spras.