ABAP Select data from SAP table FAGL_LIST_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAGL_LIST_ITEM 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_LIST_ITEM. 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_LIST_ITEM 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_LIST_ITEM TYPE STANDARD TABLE OF FAGL_LIST_ITEM,
      WA_FAGL_LIST_ITEM TYPE FAGL_LIST_ITEM,
      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_LIST_ITEM> TYPE FAGL_LIST_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_LIST_ITEM
*  INTO TABLE @DATA(IT_FAGL_LIST_ITEM2).
*--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_LIST_ITEM INDEX 1 INTO DATA(WA_FAGL_LIST_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_LIST_ITEM>-LDGRP = 1.
<FAGL_LIST_ITEM>-ZBUKR = 1.
<FAGL_LIST_ITEM>-BEWGP = 1.
<FAGL_LIST_ITEM>-VBUND = 1.
<FAGL_LIST_ITEM>-KOART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_LIST_ITEM-HKONT, sy-vline,
  WA_FAGL_LIST_ITEM-KONTO, sy-vline,
  WA_FAGL_LIST_ITEM-NAME1, sy-vline,
  WA_FAGL_LIST_ITEM-TXT30, sy-vline,
  WA_FAGL_LIST_ITEM-DUEVL, sy-vline,
  WA_FAGL_LIST_ITEM-TUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_LIST_ITEM 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_LIST_ITEM 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_LIST_ITEM INTO WA_FAGL_LIST_ITEM.


*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 VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_LIST_ITEM-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_LIST_ITEM-VBUND.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit AC152, internal->external for field BDIFF
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_LIST_ITEM-BDIFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_LIST_ITEM-BDIFF.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field AVBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_LIST_ITEM-AVBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_LIST_ITEM-AVBUND.
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_LIST_ITEM_STR, 
LDGRP TYPE STRING,
ZBUKR TYPE STRING,
BEWGP TYPE STRING,
VBUND TYPE STRING,
KOART TYPE STRING,
HKONT TYPE STRING,
KONTO TYPE STRING,
NAME1 TYPE STRING,
TXT30 TYPE STRING,
DUEVL TYPE STRING,
TUNIT TYPE STRING,
XDEB1 TYPE STRING,
KTOSL TYPE STRING,
WAERS TYPE STRING,
GSBER TYPE STRING,
NETDT TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
DMBTR TYPE STRING,
BDMBTR TYPE STRING,
UMSKZ TYPE STRING,
BLART TYPE STRING,
BUDAT TYPE STRING,
BDIFF TYPE STRING,
XINVE TYPE STRING,
AHKONT TYPE STRING,
AVBUND TYPE STRING,
FLAG_A00 TYPE STRING,
BUKRS TYPE STRING,
J_3RZUONR TYPE STRING,
NIX TYPE STRING,
HWAER TYPE STRING,
SELKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_LIST_ITEM_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_LIST_ITEM_STR-LDGRP sy-vline 
WA_FAGL_LIST_ITEM_STR-ZBUKR sy-vline 
WA_FAGL_LIST_ITEM_STR-BEWGP sy-vline 
WA_FAGL_LIST_ITEM_STR-VBUND sy-vline 
WA_FAGL_LIST_ITEM_STR-KOART sy-vline 
WA_FAGL_LIST_ITEM_STR-HKONT sy-vline 
WA_FAGL_LIST_ITEM_STR-KONTO sy-vline 
WA_FAGL_LIST_ITEM_STR-NAME1 sy-vline 
WA_FAGL_LIST_ITEM_STR-TXT30 sy-vline 
WA_FAGL_LIST_ITEM_STR-DUEVL sy-vline 
WA_FAGL_LIST_ITEM_STR-TUNIT sy-vline 
WA_FAGL_LIST_ITEM_STR-XDEB1 sy-vline 
WA_FAGL_LIST_ITEM_STR-KTOSL sy-vline 
WA_FAGL_LIST_ITEM_STR-WAERS sy-vline 
WA_FAGL_LIST_ITEM_STR-GSBER sy-vline 
WA_FAGL_LIST_ITEM_STR-NETDT sy-vline 
WA_FAGL_LIST_ITEM_STR-GJAHR sy-vline 
WA_FAGL_LIST_ITEM_STR-BELNR sy-vline 
WA_FAGL_LIST_ITEM_STR-BUZEI sy-vline 
WA_FAGL_LIST_ITEM_STR-SHKZG sy-vline 
WA_FAGL_LIST_ITEM_STR-WRBTR sy-vline 
WA_FAGL_LIST_ITEM_STR-DMBTR sy-vline 
WA_FAGL_LIST_ITEM_STR-BDMBTR sy-vline 
WA_FAGL_LIST_ITEM_STR-UMSKZ sy-vline 
WA_FAGL_LIST_ITEM_STR-BLART sy-vline 
WA_FAGL_LIST_ITEM_STR-BUDAT sy-vline 
WA_FAGL_LIST_ITEM_STR-BDIFF sy-vline 
WA_FAGL_LIST_ITEM_STR-XINVE sy-vline 
WA_FAGL_LIST_ITEM_STR-AHKONT sy-vline 
WA_FAGL_LIST_ITEM_STR-AVBUND sy-vline 
WA_FAGL_LIST_ITEM_STR-FLAG_A00 sy-vline 
WA_FAGL_LIST_ITEM_STR-BUKRS sy-vline 
WA_FAGL_LIST_ITEM_STR-J_3RZUONR sy-vline 
WA_FAGL_LIST_ITEM_STR-NIX sy-vline 
WA_FAGL_LIST_ITEM_STR-HWAER sy-vline 
WA_FAGL_LIST_ITEM_STR-SELKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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