ABAP Select data from SAP table DFKKOPUSTAXOUT07 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DFKKOPUSTAXOUT07 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 DFKKOPUSTAXOUT07. 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 DFKKOPUSTAXOUT07 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_DFKKOPUSTAXOUT07 TYPE STANDARD TABLE OF DFKKOPUSTAXOUT07,
      WA_DFKKOPUSTAXOUT07 TYPE DFKKOPUSTAXOUT07,
      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: <DFKKOPUSTAXOUT07> TYPE DFKKOPUSTAXOUT07.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DFKKOPUSTAXOUT07.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DFKKOPUSTAXOUT07
  INTO TABLE IT_DFKKOPUSTAXOUT07.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKOPUSTAXOUT07
*  INTO TABLE @DATA(IT_DFKKOPUSTAXOUT072).
*--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_DFKKOPUSTAXOUT07 INDEX 1 INTO DATA(WA_DFKKOPUSTAXOUT072).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DFKKOPUSTAXOUT07 ASSIGNING <DFKKOPUSTAXOUT07>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKOPUSTAXOUT07>-MANDT = 1.
<DFKKOPUSTAXOUT07>-OPBEL = 1.
<DFKKOPUSTAXOUT07>-TXBIT = 1.
<DFKKOPUSTAXOUT07>-TXDIT = 1.
<DFKKOPUSTAXOUT07>-OPK_OPUPK = 1.

ENDLOOP.

LOOP AT IT_DFKKOPUSTAXOUT07 INTO WA_DFKKOPUSTAXOUT07.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKOPUSTAXOUT07-PCODE, sy-vline,
  WA_DFKKOPUSTAXOUT07-TXTYP, sy-vline,
  WA_DFKKOPUSTAXOUT07-TXCNT, sy-vline,
  WA_DFKKOPUSTAXOUT07-CALCT, sy-vline,
  WA_DFKKOPUSTAXOUT07-TXRAT, sy-vline,
  WA_DFKKOPUSTAXOUT07-TXAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKOPUSTAXOUT07 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_DFKKOPUSTAXOUT07 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_DFKKOPUSTAXOUT07 INTO WA_DFKKOPUSTAXOUT07.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKOPUSTAXOUT07-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKOPUSTAXOUT07-OPBEL.
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_DFKKOPUSTAXOUT07_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
TXBIT TYPE STRING,
TXDIT TYPE STRING,
OPK_OPUPK TYPE STRING,
PCODE TYPE STRING,
TXTYP TYPE STRING,
TXCNT TYPE STRING,
CALCT TYPE STRING,
TXRAT TYPE STRING,
TXAMT TYPE STRING,
TMAMT TYPE STRING,
EXAMT TYPE STRING,
BILAB TYPE STRING,
COMPL TYPE STRING,
SURCH TYPE STRING,
RFAMT TYPE STRING,
ADJME TYPE STRING,
EXTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKOPUSTAXOUT07_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_DFKKOPUSTAXOUT07_STR-MANDT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-OPBEL sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TXBIT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TXDIT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-OPK_OPUPK sy-vline 
WA_DFKKOPUSTAXOUT07_STR-PCODE sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TXTYP sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TXCNT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-CALCT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TXRAT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TXAMT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-TMAMT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-EXAMT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-BILAB sy-vline 
WA_DFKKOPUSTAXOUT07_STR-COMPL sy-vline 
WA_DFKKOPUSTAXOUT07_STR-SURCH sy-vline 
WA_DFKKOPUSTAXOUT07_STR-RFAMT sy-vline 
WA_DFKKOPUSTAXOUT07_STR-ADJME sy-vline 
WA_DFKKOPUSTAXOUT07_STR-EXTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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