ABAP Select data from SAP table CBUPAWHLDGTAX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CBUPAWHLDGTAX
*  INTO TABLE @DATA(IT_CBUPAWHLDGTAX2).
*--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_CBUPAWHLDGTAX INDEX 1 INTO DATA(WA_CBUPAWHLDGTAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CBUPAWHLDGTAX>-MANDT = 1.
<CBUPAWHLDGTAX>-COMPANYCODE = 1.
<CBUPAWHLDGTAX>-BUSINESSPARTNER = 1.
<CBUPAWHLDGTAX>-WITHHOLDINGTAXTYPE = 1.
<CBUPAWHLDGTAX>-SUPPLIER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CBUPAWHLDGTAX-COUNTRYCODE, sy-vline,
  WA_CBUPAWHLDGTAX-COMPANYCODEFOREDIT, sy-vline,
  WA_CBUPAWHLDGTAX-WITHHOLDINGTAXTYPEFOREDIT, sy-vline,
  WA_CBUPAWHLDGTAX-WITHHOLDINGTAXTYPENAME, sy-vline,
  WA_CBUPAWHLDGTAX-WITHHOLDINGTAXCODE, sy-vline,
  WA_CBUPAWHLDGTAX-RECIPIENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CBUPAWHLDGTAX 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_CBUPAWHLDGTAX 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_CBUPAWHLDGTAX INTO WA_CBUPAWHLDGTAX.


*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 BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CBUPAWHLDGTAX-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CBUPAWHLDGTAX-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CBUPAWHLDGTAX-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CBUPAWHLDGTAX-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNERFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CBUPAWHLDGTAX-BUSINESSPARTNERFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CBUPAWHLDGTAX-BUSINESSPARTNERFOREDIT.
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_CBUPAWHLDGTAX_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
WITHHOLDINGTAXTYPE TYPE STRING,
SUPPLIER TYPE STRING,
COUNTRYCODE TYPE STRING,
COMPANYCODEFOREDIT TYPE STRING,
WITHHOLDINGTAXTYPEFOREDIT TYPE STRING,
WITHHOLDINGTAXTYPENAME TYPE STRING,
WITHHOLDINGTAXCODE TYPE STRING,
RECIPIENTTYPE TYPE STRING,
BUSINESSPARTNERFOREDIT TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
ISWITHHOLDINGTAXSUBJECT TYPE STRING,
WITHHOLDINGTAXNUMBER TYPE STRING,
EXEMPTIONDATEBEGIN TYPE STRING,
EXEMPTIONDATEEND TYPE STRING,
WITHHOLDINGTAXEXMPTPERCENT TYPE STRING,
WITHHOLDINGTAXCERTIFICATE TYPE STRING,
EXEMPTIONREASON TYPE STRING,
EXTENDEDWHLDGTAXISACTIVE TYPE STRING,
COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CBUPAWHLDGTAX_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_CBUPAWHLDGTAX_STR-MANDT sy-vline 
WA_CBUPAWHLDGTAX_STR-COMPANYCODE sy-vline 
WA_CBUPAWHLDGTAX_STR-BUSINESSPARTNER sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXTYPE sy-vline 
WA_CBUPAWHLDGTAX_STR-SUPPLIER sy-vline 
WA_CBUPAWHLDGTAX_STR-COUNTRYCODE sy-vline 
WA_CBUPAWHLDGTAX_STR-COMPANYCODEFOREDIT sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXTYPEFOREDIT sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXTYPENAME sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXCODE sy-vline 
WA_CBUPAWHLDGTAX_STR-RECIPIENTTYPE sy-vline 
WA_CBUPAWHLDGTAX_STR-BUSINESSPARTNERFOREDIT sy-vline 
WA_CBUPAWHLDGTAX_STR-BUSINESSPARTNERUUID sy-vline 
WA_CBUPAWHLDGTAX_STR-ISWITHHOLDINGTAXSUBJECT sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXNUMBER sy-vline 
WA_CBUPAWHLDGTAX_STR-EXEMPTIONDATEBEGIN sy-vline 
WA_CBUPAWHLDGTAX_STR-EXEMPTIONDATEEND sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXEXMPTPERCENT sy-vline 
WA_CBUPAWHLDGTAX_STR-WITHHOLDINGTAXCERTIFICATE sy-vline 
WA_CBUPAWHLDGTAX_STR-EXEMPTIONREASON sy-vline 
WA_CBUPAWHLDGTAX_STR-EXTENDEDWHLDGTAXISACTIVE sy-vline 
WA_CBUPAWHLDGTAX_STR-COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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