ABAP Select data from SAP table FDC_S_ACCDOC_TAX_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_TAX_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_TAX_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_TAX_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_TAX_EXO TYPE STANDARD TABLE OF FDC_S_ACCDOC_TAX_EXO,
      WA_FDC_S_ACCDOC_TAX_EXO TYPE FDC_S_ACCDOC_TAX_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_TAX_EXO> TYPE FDC_S_ACCDOC_TAX_EXO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_S_ACCDOC_TAX_EXO
*  INTO TABLE @DATA(IT_FDC_S_ACCDOC_TAX_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_TAX_EXO INDEX 1 INTO DATA(WA_FDC_S_ACCDOC_TAX_EXO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_S_ACCDOC_TAX_EXO>-HKONT_TXT = 1.
<FDC_S_ACCDOC_TAX_EXO>-WAERS = 1.
<FDC_S_ACCDOC_TAX_EXO>-HWAER = 1.
<FDC_S_ACCDOC_TAX_EXO>-MWSKZ_TXT = 1.
<FDC_S_ACCDOC_TAX_EXO>-TXJCD_TXT = 1.

ENDLOOP.

LOOP AT IT_FDC_S_ACCDOC_TAX_EXO INTO WA_FDC_S_ACCDOC_TAX_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_TAX_EXO-TXJDP, sy-vline,
  WA_FDC_S_ACCDOC_TAX_EXO-HKONT, sy-vline,
  WA_FDC_S_ACCDOC_TAX_EXO-KBETR, sy-vline,
  WA_FDC_S_ACCDOC_TAX_EXO-KTOPL, sy-vline,
  WA_FDC_S_ACCDOC_TAX_EXO-KALSM, sy-vline,
  WA_FDC_S_ACCDOC_TAX_EXO-TAXPS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_S_ACCDOC_TAX_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_TAX_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_TAX_EXO INTO WA_FDC_S_ACCDOC_TAX_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 HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_TAX_EXO-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_TAX_EXO-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field KBETR
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_TAX_EXO-KBETR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_TAX_EXO-KBETR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU132, internal->external for field H2STE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_TAX_EXO-H2STE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_TAX_EXO-H2STE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field H3STE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_TAX_EXO-H3STE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_TAX_EXO-H3STE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC152, internal->external for field LWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_TAX_EXO-LWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_TAX_EXO-LWBAS.
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_TAX_EXO_STR, 
HKONT_TXT TYPE STRING,
WAERS TYPE STRING,
HWAER TYPE STRING,
MWSKZ_TXT TYPE STRING,
TXJCD_TXT TYPE STRING,
TXJDP TYPE STRING,
HKONT TYPE STRING,
KBETR TYPE STRING,
KTOPL TYPE STRING,
KALSM TYPE STRING,
TAXPS TYPE STRING,
HWBAS TYPE STRING,
H2STE TYPE STRING,
H3STE TYPE STRING,
HWAE2 TYPE STRING,
HWAE3 TYPE STRING,
LWSTE TYPE STRING,
LWBAS TYPE STRING,
LWAER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_S_ACCDOC_TAX_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_TAX_EXO_STR-HKONT_TXT sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-WAERS sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-HWAER sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-MWSKZ_TXT sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-TXJCD_TXT sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-TXJDP sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-HKONT sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-KBETR sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-KTOPL sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-KALSM sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-TAXPS sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-HWBAS sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-H2STE sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-H3STE sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-HWAE2 sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-HWAE3 sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-LWSTE sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-LWBAS sy-vline 
WA_FDC_S_ACCDOC_TAX_EXO_STR-LWAER sy-vline      INTO ld_text SEPARATED BY SPACE.

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