ABAP Select data from SAP table CFS_S_PRT_INTERFACE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFS_S_PRT_INTERFACE
*  INTO TABLE @DATA(IT_CFS_S_PRT_INTERFACE2).
*--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_CFS_S_PRT_INTERFACE INDEX 1 INTO DATA(WA_CFS_S_PRT_INTERFACE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFS_S_PRT_INTERFACE>-HEAD_DETAIL = 1.
<CFS_S_PRT_INTERFACE>-KUNNR = 1.
<CFS_S_PRT_INTERFACE>-VBELN = 1.
<CFS_S_PRT_INTERFACE>-NAST_ADDRESS = 1.
<CFS_S_PRT_INTERFACE>-ADRNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFS_S_PRT_INTERFACE-ANRED, sy-vline,
  WA_CFS_S_PRT_INTERFACE-NAME1, sy-vline,
  WA_CFS_S_PRT_INTERFACE-NAME2, sy-vline,
  WA_CFS_S_PRT_INTERFACE-NAME3, sy-vline,
  WA_CFS_S_PRT_INTERFACE-NAME4, sy-vline,
  WA_CFS_S_PRT_INTERFACE-STRAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFS_S_PRT_INTERFACE 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_CFS_S_PRT_INTERFACE 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_CFS_S_PRT_INTERFACE INTO WA_CFS_S_PRT_INTERFACE.


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

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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CFS_S_PRT_INTERFACE-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFS_S_PRT_INTERFACE-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SXIDN, internal->external for field EMAIL_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CFS_S_PRT_INTERFACE-EMAIL_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFS_S_PRT_INTERFACE-EMAIL_ADDR.
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_CFS_S_PRT_INTERFACE_STR, 
HEAD_DETAIL TYPE STRING,
KUNNR TYPE STRING,
VBELN TYPE STRING,
NAST_ADDRESS TYPE STRING,
ADRNR TYPE STRING,
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
STRAS TYPE STRING,
LAND1 TYPE STRING,
PSTLZ TYPE STRING,
PSTL2 TYPE STRING,
PFORT TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
REGIO TYPE STRING,
CITYC TYPE STRING,
COUNC TYPE STRING,
PFACH TYPE STRING,
TELF1 TYPE STRING,
TELF2 TYPE STRING,
TELBX TYPE STRING,
TELFX TYPE STRING,
TELTX TYPE STRING,
TELX1 TYPE STRING,
SPRAS TYPE STRING,
LZONE TYPE STRING,
HAUSN TYPE STRING,
PARGE TYPE STRING,
NAME_LIST TYPE STRING,
TXJCD TYPE STRING,
ADRNP TYPE STRING,
ADDRESS_TYPE TYPE STRING,
DUEFL TYPE STRING,
STOCK TYPE STRING,
STRS2 TYPE STRING,
STRASNA TYPE STRING,
EMAIL_ADDR TYPE STRING,
MOBNUM TYPE STRING,
EX_HEAD_DETAIL TYPE STRING,
ITEM_DETAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFS_S_PRT_INTERFACE_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_CFS_S_PRT_INTERFACE_STR-HEAD_DETAIL sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-KUNNR sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-VBELN sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-NAST_ADDRESS sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ADRNR sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ANRED sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-NAME1 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-NAME2 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-NAME3 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-NAME4 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-STRAS sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-LAND1 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-PSTLZ sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-PSTL2 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-PFORT sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ORT01 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ORT02 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-REGIO sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-CITYC sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-COUNC sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-PFACH sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TELF1 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TELF2 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TELBX sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TELFX sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TELTX sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TELX1 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-SPRAS sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-LZONE sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-HAUSN sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-PARGE sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-NAME_LIST sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-TXJCD sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ADRNP sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ADDRESS_TYPE sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-DUEFL sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-STOCK sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-STRS2 sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-STRASNA sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-EMAIL_ADDR sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-MOBNUM sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-EX_HEAD_DETAIL sy-vline 
WA_CFS_S_PRT_INTERFACE_STR-ITEM_DETAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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