ABAP Select data from SAP table FIGEN_S_WHT_SERVICE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIGEN_S_WHT_SERVICE
*  INTO TABLE @DATA(IT_FIGEN_S_WHT_SERVICE2).
*--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_FIGEN_S_WHT_SERVICE INDEX 1 INTO DATA(WA_FIGEN_S_WHT_SERVICE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIGEN_S_WHT_SERVICE>-COMPANYCODE = 1.
<FIGEN_S_WHT_SERVICE>-BUSINESSPLACE = 1.
<FIGEN_S_WHT_SERVICE>-WITHHOLDINGTAXTYPE = 1.
<FIGEN_S_WHT_SERVICE>-WITHHOLDINGTAXCODE = 1.
<FIGEN_S_WHT_SERVICE>-RECIPIENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIGEN_S_WHT_SERVICE-INCOMETYPE, sy-vline,
  WA_FIGEN_S_WHT_SERVICE-OFFICIALWHTKEY, sy-vline,
  WA_FIGEN_S_WHT_SERVICE-WHLDGTAXBASEAMTINCOCODECRCY, sy-vline,
  WA_FIGEN_S_WHT_SERVICE-WHLDGTAXAMTINCOCODECRCY, sy-vline,
  WA_FIGEN_S_WHT_SERVICE-REPORTINGCURRENCY, sy-vline,
  WA_FIGEN_S_WHT_SERVICE-WHLDGTAXBASEAMTINTRANSACCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIGEN_S_WHT_SERVICE 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_FIGEN_S_WHT_SERVICE 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_FIGEN_S_WHT_SERVICE INTO WA_FIGEN_S_WHT_SERVICE.


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

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

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

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

*Conversion exit AC152, internal->external for field WHLDGTAXBASEAMTINADDLCRCY1
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FIGEN_S_WHT_SERVICE-WHLDGTAXBASEAMTINADDLCRCY1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIGEN_S_WHT_SERVICE-WHLDGTAXBASEAMTINADDLCRCY1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WHLDGTAXAMTINADDLCRCY1
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FIGEN_S_WHT_SERVICE-WHLDGTAXAMTINADDLCRCY1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIGEN_S_WHT_SERVICE-WHLDGTAXAMTINADDLCRCY1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WHLDGTAXBASEAMTINADDLCRCY2
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FIGEN_S_WHT_SERVICE-WHLDGTAXBASEAMTINADDLCRCY2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIGEN_S_WHT_SERVICE-WHLDGTAXBASEAMTINADDLCRCY2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WHLDGTAXAMTINADDLCRCY2
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FIGEN_S_WHT_SERVICE-WHLDGTAXAMTINADDLCRCY2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIGEN_S_WHT_SERVICE-WHLDGTAXAMTINADDLCRCY2.
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_FIGEN_S_WHT_SERVICE_STR, 
COMPANYCODE TYPE STRING,
BUSINESSPLACE TYPE STRING,
WITHHOLDINGTAXTYPE TYPE STRING,
WITHHOLDINGTAXCODE TYPE STRING,
RECIPIENTTYPE TYPE STRING,
INCOMETYPE TYPE STRING,
OFFICIALWHTKEY TYPE STRING,
WHLDGTAXBASEAMTINCOCODECRCY TYPE STRING,
WHLDGTAXAMTINCOCODECRCY TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
WHLDGTAXBASEAMTINTRANSACCRCY TYPE STRING,
WHLDGTAXAMTINTRANSACCRCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
WHLDGTAXBASEAMTINADDLCRCY1 TYPE STRING,
WHLDGTAXAMTINADDLCRCY1 TYPE STRING,
ADDITIONALCURRENCY1 TYPE STRING,
WHLDGTAXBASEAMTINADDLCRCY2 TYPE STRING,
WHLDGTAXAMTINADDLCRCY2 TYPE STRING,
ADDITIONALCURRENCY2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIGEN_S_WHT_SERVICE_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_FIGEN_S_WHT_SERVICE_STR-COMPANYCODE sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-BUSINESSPLACE sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WITHHOLDINGTAXTYPE sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WITHHOLDINGTAXCODE sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-RECIPIENTTYPE sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-INCOMETYPE sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-OFFICIALWHTKEY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXBASEAMTINCOCODECRCY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXAMTINCOCODECRCY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-REPORTINGCURRENCY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXBASEAMTINTRANSACCRCY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXAMTINTRANSACCRCY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-TRANSACTIONCURRENCY sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXBASEAMTINADDLCRCY1 sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXAMTINADDLCRCY1 sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-ADDITIONALCURRENCY1 sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXBASEAMTINADDLCRCY2 sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-WHLDGTAXAMTINADDLCRCY2 sy-vline 
WA_FIGEN_S_WHT_SERVICE_STR-ADDITIONALCURRENCY2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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