ABAP Select data from SAP table FAGL_S_SAPF124_LIST4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAGL_S_SAPF124_LIST4 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 FAGL_S_SAPF124_LIST4. 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 FAGL_S_SAPF124_LIST4 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_FAGL_S_SAPF124_LIST4 TYPE STANDARD TABLE OF FAGL_S_SAPF124_LIST4,
      WA_FAGL_S_SAPF124_LIST4 TYPE FAGL_S_SAPF124_LIST4,
      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: <FAGL_S_SAPF124_LIST4> TYPE FAGL_S_SAPF124_LIST4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FAGL_S_SAPF124_LIST4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FAGL_S_SAPF124_LIST4
  INTO TABLE IT_FAGL_S_SAPF124_LIST4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_S_SAPF124_LIST4
*  INTO TABLE @DATA(IT_FAGL_S_SAPF124_LIST42).
*--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_FAGL_S_SAPF124_LIST4 INDEX 1 INTO DATA(WA_FAGL_S_SAPF124_LIST42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FAGL_S_SAPF124_LIST4 ASSIGNING <FAGL_S_SAPF124_LIST4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_S_SAPF124_LIST4>-BUKRS = 1.
<FAGL_S_SAPF124_LIST4>-KOART = 1.
<FAGL_S_SAPF124_LIST4>-KONTO = 1.
<FAGL_S_SAPF124_LIST4>-HKONT = 1.
<FAGL_S_SAPF124_LIST4>-WAERS = 1.

ENDLOOP.

LOOP AT IT_FAGL_S_SAPF124_LIST4 INTO WA_FAGL_S_SAPF124_LIST4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_S_SAPF124_LIST4-TEXT1, sy-vline,
  WA_FAGL_S_SAPF124_LIST4-TEXT2, sy-vline,
  WA_FAGL_S_SAPF124_LIST4-TEXT3, sy-vline,
  WA_FAGL_S_SAPF124_LIST4-TEXT4, sy-vline,
  WA_FAGL_S_SAPF124_LIST4-TEXT5, sy-vline,
  WA_FAGL_S_SAPF124_LIST4-DYNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_S_SAPF124_LIST4 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_FAGL_S_SAPF124_LIST4 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_FAGL_S_SAPF124_LIST4 INTO WA_FAGL_S_SAPF124_LIST4.


*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 ALPHA, internal->external for field KONTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_SAPF124_LIST4-KONTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_SAPF124_LIST4-KONTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_S_SAPF124_LIST4-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_S_SAPF124_LIST4-HKONT.
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_FAGL_S_SAPF124_LIST4_STR, 
BUKRS TYPE STRING,
KOART TYPE STRING,
KONTO TYPE STRING,
HKONT TYPE STRING,
WAERS TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
TEXT4 TYPE STRING,
TEXT5 TYPE STRING,
DYNAME TYPE STRING,
DYNUMB TYPE STRING,
MSGTYP TYPE STRING,
MSGID TYPE STRING,
MSGNR TYPE STRING,
MSGTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_S_SAPF124_LIST4_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_FAGL_S_SAPF124_LIST4_STR-BUKRS sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-KOART sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-KONTO sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-HKONT sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-WAERS sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-TEXT1 sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-TEXT2 sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-TEXT3 sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-TEXT4 sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-TEXT5 sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-DYNAME sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-DYNUMB sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-MSGTYP sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-MSGID sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-MSGNR sy-vline 
WA_FAGL_S_SAPF124_LIST4_STR-MSGTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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