ABAP Select data from SAP table FINCS_S_RFD_ADDL_FIELDS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINCS_S_RFD_ADDL_FIELDS
*  INTO TABLE @DATA(IT_FINCS_S_RFD_ADDL_FIELDS2).
*--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_FINCS_S_RFD_ADDL_FIELDS INDEX 1 INTO DATA(WA_FINCS_S_RFD_ADDL_FIELDS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINCS_S_RFD_ADDL_FIELDS>-CONTROLLER = 1.
<FINCS_S_RFD_ADDL_FIELDS>-CHART_OF_ACCOUNTS = 1.
<FINCS_S_RFD_ADDL_FIELDS>-GLACCOUNT = 1.
<FINCS_S_RFD_ADDL_FIELDS>-ASSIGNMENT_REFERENCE = 1.
<FINCS_S_RFD_ADDL_FIELDS>-COST_CENTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINCS_S_RFD_ADDL_FIELDS-PROFIT_CENTER, sy-vline,
  WA_FINCS_S_RFD_ADDL_FIELDS-FUNCTIONAL_AREA, sy-vline,
  WA_FINCS_S_RFD_ADDL_FIELDS-BUSINESS_AREA, sy-vline,
  WA_FINCS_S_RFD_ADDL_FIELDS-CONTROLLING_AREA, sy-vline,
  WA_FINCS_S_RFD_ADDL_FIELDS-SEGMENT, sy-vline,
  WA_FINCS_S_RFD_ADDL_FIELDS-PARTNER_COST_CENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINCS_S_RFD_ADDL_FIELDS 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_FINCS_S_RFD_ADDL_FIELDS 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_FINCS_S_RFD_ADDL_FIELDS INTO WA_FINCS_S_RFD_ADDL_FIELDS.


*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_FINCS_S_RFD_ADDL_FIELDS_STR, 
CONTROLLER TYPE STRING,
CHART_OF_ACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
ASSIGNMENT_REFERENCE TYPE STRING,
COST_CENTER TYPE STRING,
PROFIT_CENTER TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
BUSINESS_AREA TYPE STRING,
CONTROLLING_AREA TYPE STRING,
SEGMENT TYPE STRING,
PARTNER_COST_CENTER TYPE STRING,
PARTNER_PROFIT_CENTER TYPE STRING,
PARTNER_FUNCTION_AREA TYPE STRING,
PARTNER_BUSINESS_AREA TYPE STRING,
PARTNER_COMPANY TYPE STRING,
PARTNER_SEGMENT TYPE STRING,
ORDER_ID TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
MATERIAL TYPE STRING,
MATERIAL_GROUP TYPE STRING,
PLANT TYPE STRING,
FINANCIAL_TRANSACTION_TYPE TYPE STRING,
WBSELEMENT_INTERNAL_ID TYPE STRING,
WBSELEMENT TYPE STRING,
PROJECT TYPE STRING,
BILLING_DOCUMENT_TYPE TYPE STRING,
SALES_ORGANIZATION TYPE STRING,
DISTRIBUTION_CHANNEL TYPE STRING,
ORGANIZATION_DIVISION TYPE STRING,
SOLD_PRODUCT TYPE STRING,
SOLD_PRODUCT_GROUP TYPE STRING,
CUSTOMER_GROUP TYPE STRING,
CUSTOMER_SUPPLIER_COUNTRY TYPE STRING,
CUSTOMER_SUPPLIER_INDUSTRY TYPE STRING,
SALES_DISTRICT TYPE STRING,
BILL_TO_PARTY TYPE STRING,
SHIP_TO_PARTY TYPE STRING,
CUSTOMER_SUPPLIER_CORPORATE_GR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINCS_S_RFD_ADDL_FIELDS_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_FINCS_S_RFD_ADDL_FIELDS_STR-CONTROLLER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CHART_OF_ACCOUNTS sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-GLACCOUNT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-ASSIGNMENT_REFERENCE sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-COST_CENTER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PROFIT_CENTER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-FUNCTIONAL_AREA sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-BUSINESS_AREA sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CONTROLLING_AREA sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SEGMENT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PARTNER_COST_CENTER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PARTNER_PROFIT_CENTER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PARTNER_FUNCTION_AREA sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PARTNER_BUSINESS_AREA sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PARTNER_COMPANY sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PARTNER_SEGMENT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-ORDER_ID sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CUSTOMER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SUPPLIER sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-MATERIAL sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-MATERIAL_GROUP sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PLANT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-FINANCIAL_TRANSACTION_TYPE sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-WBSELEMENT_INTERNAL_ID sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-WBSELEMENT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-PROJECT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-BILLING_DOCUMENT_TYPE sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SALES_ORGANIZATION sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-DISTRIBUTION_CHANNEL sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-ORGANIZATION_DIVISION sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SOLD_PRODUCT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SOLD_PRODUCT_GROUP sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CUSTOMER_GROUP sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CUSTOMER_SUPPLIER_COUNTRY sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CUSTOMER_SUPPLIER_INDUSTRY sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SALES_DISTRICT sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-BILL_TO_PARTY sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-SHIP_TO_PARTY sy-vline 
WA_FINCS_S_RFD_ADDL_FIELDS_STR-CUSTOMER_SUPPLIER_CORPORATE_GR sy-vline      INTO ld_text SEPARATED BY SPACE.

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