ABAP Select data from SAP table FDC_S_ACCDOC_BS_ITM_EXO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_S_ACCDOC_BS_ITM_EXO
*  INTO TABLE @DATA(IT_FDC_S_ACCDOC_BS_ITM_EXO2).
*--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_FDC_S_ACCDOC_BS_ITM_EXO INDEX 1 INTO DATA(WA_FDC_S_ACCDOC_BS_ITM_EXO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_S_ACCDOC_BS_ITM_EXO>-ASTAT = 1.
<FDC_S_ACCDOC_BS_ITM_EXO>-VB2OK = 1.
<FDC_S_ACCDOC_BS_ITM_EXO>-N2PCH = 1.
<FDC_S_ACCDOC_BS_ITM_EXO>-NBBLN = 1.
<FDC_S_ACCDOC_BS_ITM_EXO>-AKBLN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FDC_S_ACCDOC_BS_ITM_EXO-AZNUM, sy-vline,
  WA_FDC_S_ACCDOC_BS_ITM_EXO-HBKID, sy-vline,
  WA_FDC_S_ACCDOC_BS_ITM_EXO-HKTID, sy-vline,
  WA_FDC_S_ACCDOC_BS_ITM_EXO-VGEXT, sy-vline,
  WA_FDC_S_ACCDOC_BS_ITM_EXO-BANKA, sy-vline,
  WA_FDC_S_ACCDOC_BS_ITM_EXO-KWBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_S_ACCDOC_BS_ITM_EXO 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_FDC_S_ACCDOC_BS_ITM_EXO 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_FDC_S_ACCDOC_BS_ITM_EXO INTO WA_FDC_S_ACCDOC_BS_ITM_EXO.


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

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

*Conversion exit AC132, internal->external for field KWBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_BS_ITM_EXO-KWBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_BS_ITM_EXO-KWBTR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_BS_ITM_EXO-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_BS_ITM_EXO-GJAHR.
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_FDC_S_ACCDOC_BS_ITM_EXO_STR, 
ASTAT TYPE STRING,
VB2OK TYPE STRING,
N2PCH TYPE STRING,
NBBLN TYPE STRING,
AKBLN TYPE STRING,
AZNUM TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
VGEXT TYPE STRING,
BANKA TYPE STRING,
KWBTR TYPE STRING,
WAERS TYPE STRING,
BELNR TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
N2POR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_S_ACCDOC_BS_ITM_EXO_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_FDC_S_ACCDOC_BS_ITM_EXO_STR-ASTAT sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-VB2OK sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-N2PCH sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-NBBLN sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-AKBLN sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-AZNUM sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-HBKID sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-HKTID sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-VGEXT sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-BANKA sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-KWBTR sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-WAERS sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-BELNR sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-BUKRS sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-GJAHR sy-vline 
WA_FDC_S_ACCDOC_BS_ITM_EXO_STR-N2POR sy-vline      INTO ld_text SEPARATED BY SPACE.

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