ABAP Select data from SAP table CTE_S_FIN_POST_ACD_TAX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTE_S_FIN_POST_ACD_TAX
*  INTO TABLE @DATA(IT_CTE_S_FIN_POST_ACD_TAX2).
*--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_CTE_S_FIN_POST_ACD_TAX INDEX 1 INTO DATA(WA_CTE_S_FIN_POST_ACD_TAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTE_S_FIN_POST_ACD_TAX>-ENTRY_ID = 1.
<CTE_S_FIN_POST_ACD_TAX>-ALLOC_ID = 1.
<CTE_S_FIN_POST_ACD_TAX>-JOURNAL_ID = 1.
<CTE_S_FIN_POST_ACD_TAX>-ITEM_KEY = 1.
<CTE_S_FIN_POST_ACD_TAX>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTE_S_FIN_POST_ACD_TAX-BUZEI, sy-vline,
  WA_CTE_S_FIN_POST_ACD_TAX-MWSKZ, sy-vline,
  WA_CTE_S_FIN_POST_ACD_TAX-HKONT, sy-vline,
  WA_CTE_S_FIN_POST_ACD_TAX-SHKZG, sy-vline,
  WA_CTE_S_FIN_POST_ACD_TAX-FWSTE, sy-vline,
  WA_CTE_S_FIN_POST_ACD_TAX-FWBAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTE_S_FIN_POST_ACD_TAX 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_CTE_S_FIN_POST_ACD_TAX 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_CTE_S_FIN_POST_ACD_TAX INTO WA_CTE_S_FIN_POST_ACD_TAX.


*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_CTE_S_FIN_POST_ACD_TAX-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTE_S_FIN_POST_ACD_TAX-HKONT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC112, internal->external for field KBETR
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_CTE_S_FIN_POST_ACD_TAX-KBETR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTE_S_FIN_POST_ACD_TAX-KBETR.
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_CTE_S_FIN_POST_ACD_TAX_STR, 
ENTRY_ID TYPE STRING,
ALLOC_ID TYPE STRING,
JOURNAL_ID TYPE STRING,
ITEM_KEY TYPE STRING,
BUKRS TYPE STRING,
BUZEI TYPE STRING,
MWSKZ TYPE STRING,
HKONT TYPE STRING,
SHKZG TYPE STRING,
FWSTE TYPE STRING,
FWBAS TYPE STRING,
KTOSL TYPE STRING,
KNUMH TYPE STRING,
TXJCD TYPE STRING,
KSCHL TYPE STRING,
KBETR TYPE STRING,
STBKZ TYPE STRING,
TXJDP TYPE STRING,
TXJLV TYPE STRING,
BLART TYPE STRING,
TXDAT TYPE STRING,
TXDAT_FROM TYPE STRING,
TAXPS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTE_S_FIN_POST_ACD_TAX_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_CTE_S_FIN_POST_ACD_TAX_STR-ENTRY_ID sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-ALLOC_ID sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-JOURNAL_ID sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-ITEM_KEY sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-BUKRS sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-BUZEI sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-MWSKZ sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-HKONT sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-SHKZG sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-FWSTE sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-FWBAS sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-KTOSL sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-KNUMH sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-TXJCD sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-KSCHL sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-KBETR sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-STBKZ sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-TXJDP sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-TXJLV sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-BLART sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-TXDAT sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-TXDAT_FROM sy-vline 
WA_CTE_S_FIN_POST_ACD_TAX_STR-TAXPS sy-vline      INTO ld_text SEPARATED BY SPACE.

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