ABAP Select data from SAP table FAC_S_BELEGZEILE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAC_S_BELEGZEILE table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FAC_S_BELEGZEILE. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FAC_S_BELEGZEILE table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FAC_S_BELEGZEILE TYPE STANDARD TABLE OF FAC_S_BELEGZEILE,
      WA_FAC_S_BELEGZEILE TYPE FAC_S_BELEGZEILE,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FAC_S_BELEGZEILE> TYPE FAC_S_BELEGZEILE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FAC_S_BELEGZEILE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FAC_S_BELEGZEILE
  INTO TABLE IT_FAC_S_BELEGZEILE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAC_S_BELEGZEILE
*  INTO TABLE @DATA(IT_FAC_S_BELEGZEILE2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FAC_S_BELEGZEILE INDEX 1 INTO DATA(WA_FAC_S_BELEGZEILE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FAC_S_BELEGZEILE ASSIGNING <FAC_S_BELEGZEILE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAC_S_BELEGZEILE>-BUKRS = 1.
<FAC_S_BELEGZEILE>-GJAHR = 1.
<FAC_S_BELEGZEILE>-BELNR = 1.
<FAC_S_BELEGZEILE>-BVORG = 1.
<FAC_S_BELEGZEILE>-BUZEI = 1.

ENDLOOP.

LOOP AT IT_FAC_S_BELEGZEILE INTO WA_FAC_S_BELEGZEILE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAC_S_BELEGZEILE-BSCHL, sy-vline,
  WA_FAC_S_BELEGZEILE-KOART, sy-vline,
  WA_FAC_S_BELEGZEILE-UMSKZ, sy-vline,
  WA_FAC_S_BELEGZEILE-SHKZG, sy-vline,
  WA_FAC_S_BELEGZEILE-HKONT, sy-vline,
  WA_FAC_S_BELEGZEILE-KUNNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAC_S_BELEGZEILE you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FAC_S_BELEGZEILE TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FAC_S_BELEGZEILE INTO WA_FAC_S_BELEGZEILE.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_BELEGZEILE-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_BELEGZEILE-WRBTR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FAC_S_BELEGZEILE_STR, 
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BVORG TYPE STRING,
BUZEI TYPE STRING,
BSCHL TYPE STRING,
KOART TYPE STRING,
UMSKZ TYPE STRING,
SHKZG TYPE STRING,
HKONT TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
MWSKZ TYPE STRING,
XCPDD TYPE STRING,
NAME1 TYPE STRING,
ORT01 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAC_S_BELEGZEILE_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FAC_S_BELEGZEILE_STR-BUKRS sy-vline 
WA_FAC_S_BELEGZEILE_STR-GJAHR sy-vline 
WA_FAC_S_BELEGZEILE_STR-BELNR sy-vline 
WA_FAC_S_BELEGZEILE_STR-BVORG sy-vline 
WA_FAC_S_BELEGZEILE_STR-BUZEI sy-vline 
WA_FAC_S_BELEGZEILE_STR-BSCHL sy-vline 
WA_FAC_S_BELEGZEILE_STR-KOART sy-vline 
WA_FAC_S_BELEGZEILE_STR-UMSKZ sy-vline 
WA_FAC_S_BELEGZEILE_STR-SHKZG sy-vline 
WA_FAC_S_BELEGZEILE_STR-HKONT sy-vline 
WA_FAC_S_BELEGZEILE_STR-KUNNR sy-vline 
WA_FAC_S_BELEGZEILE_STR-LIFNR sy-vline 
WA_FAC_S_BELEGZEILE_STR-DMBTR sy-vline 
WA_FAC_S_BELEGZEILE_STR-WRBTR sy-vline 
WA_FAC_S_BELEGZEILE_STR-MWSKZ sy-vline 
WA_FAC_S_BELEGZEILE_STR-XCPDD sy-vline 
WA_FAC_S_BELEGZEILE_STR-NAME1 sy-vline 
WA_FAC_S_BELEGZEILE_STR-ORT01 sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.