ABAP Select data from SAP table FKKBIX_USCOMMTAX_CRM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIX_USCOMMTAX_CRM
*  INTO TABLE @DATA(IT_FKKBIX_USCOMMTAX_CRM2).
*--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_FKKBIX_USCOMMTAX_CRM INDEX 1 INTO DATA(WA_FKKBIX_USCOMMTAX_CRM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIX_USCOMMTAX_CRM>-CRM_ITEM_GUID = 1.
<FKKBIX_USCOMMTAX_CRM>-ORITY = 1.
<FKKBIX_USCOMMTAX_CRM>-ORIGN = 1.
<FKKBIX_USCOMMTAX_CRM>-TERTY = 1.
<FKKBIX_USCOMMTAX_CRM>-TERMN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIX_USCOMMTAX_CRM-CHRTY, sy-vline,
  WA_FKKBIX_USCOMMTAX_CRM-CHRGT, sy-vline,
  WA_FKKBIX_USCOMMTAX_CRM-CUSTY, sy-vline,
  WA_FKKBIX_USCOMMTAX_CRM-INVDT, sy-vline,
  WA_FKKBIX_USCOMMTAX_CRM-SBASW, sy-vline,
  WA_FKKBIX_USCOMMTAX_CRM-LINES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIX_USCOMMTAX_CRM 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_FKKBIX_USCOMMTAX_CRM 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_FKKBIX_USCOMMTAX_CRM INTO WA_FKKBIX_USCOMMTAX_CRM.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FKKBIX_USCOMMTAX_CRM_STR, 
CRM_ITEM_GUID TYPE STRING,
ORITY TYPE STRING,
ORIGN TYPE STRING,
TERTY TYPE STRING,
TERMN TYPE STRING,
CHRTY TYPE STRING,
CHRGT TYPE STRING,
CUSTY TYPE STRING,
INVDT TYPE STRING,
SBASW TYPE STRING,
LINES TYPE STRING,
LOCTN TYPE STRING,
TRANT TYPE STRING,
SERVT TYPE STRING,
SALEF TYPE STRING,
INCCD TYPE STRING,
EXFED TYPE STRING,
EXSTA TYPE STRING,
EXCTY TYPE STRING,
EXLOC TYPE STRING,
CUSTX TYPE STRING,
REGUL TYPE STRING,
DURAT TYPE STRING,
TELTY TYPE STRING,
SERVC TYPE STRING,
LIFEL TYPE STRING,
FACIL TYPE STRING,
FRANC TYPE STRING,
BUSCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIX_USCOMMTAX_CRM_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_FKKBIX_USCOMMTAX_CRM_STR-CRM_ITEM_GUID sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-ORITY sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-ORIGN sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-TERTY sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-TERMN sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-CHRTY sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-CHRGT sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-CUSTY sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-INVDT sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-SBASW sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-LINES sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-LOCTN sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-TRANT sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-SERVT sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-SALEF sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-INCCD sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-EXFED sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-EXSTA sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-EXCTY sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-EXLOC sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-CUSTX sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-REGUL sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-DURAT sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-TELTY sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-SERVC sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-LIFEL sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-FACIL sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-FRANC sy-vline 
WA_FKKBIX_USCOMMTAX_CRM_STR-BUSCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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