ABAP Select data from SAP table /SAPCE/FKUA_TAXADJ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPCE/FKUA_TAXADJ 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 /SAPCE/FKUA_TAXADJ. 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 /SAPCE/FKUA_TAXADJ 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_/SAPCE/FKUA_TAXADJ TYPE STANDARD TABLE OF /SAPCE/FKUA_TAXADJ,
      WA_/SAPCE/FKUA_TAXADJ TYPE /SAPCE/FKUA_TAXADJ,
      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: </SAPCE/FKUA_TAXADJ> TYPE /SAPCE/FKUA_TAXADJ.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPCE/FKUA_TAXADJ
  INTO TABLE IT_/SAPCE/FKUA_TAXADJ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCE/FKUA_TAXADJ
*  INTO TABLE @DATA(IT_/SAPCE/FKUA_TAXADJ2).
*--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_/SAPCE/FKUA_TAXADJ INDEX 1 INTO DATA(WA_/SAPCE/FKUA_TAXADJ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPCE/FKUA_TAXADJ ASSIGNING </SAPCE/FKUA_TAXADJ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCE/FKUA_TAXADJ>-MANDT = 1.
</SAPCE/FKUA_TAXADJ>-GJAHR = 1.
</SAPCE/FKUA_TAXADJ>-MONAT = 1.
</SAPCE/FKUA_TAXADJ>-BETRH = 1.
</SAPCE/FKUA_TAXADJ>-SBETH = 1.

ENDLOOP.

LOOP AT IT_/SAPCE/FKUA_TAXADJ INTO WA_/SAPCE/FKUA_TAXADJ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCE/FKUA_TAXADJ-SBASH1, sy-vline,
  WA_/SAPCE/FKUA_TAXADJ-SBETH1, sy-vline,
  WA_/SAPCE/FKUA_TAXADJ-SBASH5, sy-vline,
  WA_/SAPCE/FKUA_TAXADJ-SBETH5, sy-vline,
  WA_/SAPCE/FKUA_TAXADJ-SBASH2, sy-vline,
  WA_/SAPCE/FKUA_TAXADJ-SBASH4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCE/FKUA_TAXADJ 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_/SAPCE/FKUA_TAXADJ 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_/SAPCE/FKUA_TAXADJ INTO WA_/SAPCE/FKUA_TAXADJ.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FKUA_TAXADJ-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FKUA_TAXADJ-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_/SAPCE/FKUA_TAXADJ_STR, 
MANDT TYPE STRING,
GJAHR TYPE STRING,
MONAT TYPE STRING,
BETRH TYPE STRING,
SBETH TYPE STRING,
SBASH1 TYPE STRING,
SBETH1 TYPE STRING,
SBASH5 TYPE STRING,
SBETH5 TYPE STRING,
SBASH2 TYPE STRING,
SBASH4 TYPE STRING,
SBASH3 TYPE STRING,
SBASH6 TYPE STRING,
SBASH7 TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCE/FKUA_TAXADJ_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_/SAPCE/FKUA_TAXADJ_STR-MANDT sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-GJAHR sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-MONAT sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-BETRH sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBETH sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH1 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBETH1 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH5 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBETH5 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH2 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH4 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH3 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH6 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-SBASH7 sy-vline 
WA_/SAPCE/FKUA_TAXADJ_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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