ABAP Select data from SAP table /IWWRK/S_WF_RECIPIENT_ID into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /IWWRK/S_WF_RECIPIENT_ID 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 /IWWRK/S_WF_RECIPIENT_ID. 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 /IWWRK/S_WF_RECIPIENT_ID 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_/IWWRK/S_WF_RECIPIENT_ID TYPE STANDARD TABLE OF /IWWRK/S_WF_RECIPIENT_ID,
      WA_/IWWRK/S_WF_RECIPIENT_ID TYPE /IWWRK/S_WF_RECIPIENT_ID,
      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: </IWWRK/S_WF_RECIPIENT_ID> TYPE /IWWRK/S_WF_RECIPIENT_ID.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /IWWRK/S_WF_RECIPIENT_ID
  INTO TABLE IT_/IWWRK/S_WF_RECIPIENT_ID.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IWWRK/S_WF_RECIPIENT_ID
*  INTO TABLE @DATA(IT_/IWWRK/S_WF_RECIPIENT_ID2).
*--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_/IWWRK/S_WF_RECIPIENT_ID INDEX 1 INTO DATA(WA_/IWWRK/S_WF_RECIPIENT_ID2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/IWWRK/S_WF_RECIPIENT_ID ASSIGNING </IWWRK/S_WF_RECIPIENT_ID>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IWWRK/S_WF_RECIPIENT_ID>-RECIPIENT_ID = 1.
</IWWRK/S_WF_RECIPIENT_ID>-RECIPIENT_NAME = 1.
</IWWRK/S_WF_RECIPIENT_ID>-SUBSTITUTION_FLAG = 1.
</IWWRK/S_WF_RECIPIENT_ID>-SUBSTITUTED_BY_DETAILS = 1.
</IWWRK/S_WF_RECIPIENT_ID>-SUBSTITUTED_FOR_DETAILS = 1.

ENDLOOP.

LOOP AT IT_/IWWRK/S_WF_RECIPIENT_ID INTO WA_/IWWRK/S_WF_RECIPIENT_ID.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IWWRK/S_WF_RECIPIENT_ID-LANGUAGE, sy-vline,
  WA_/IWWRK/S_WF_RECIPIENT_ID-USER_DEFAULTS, sy-vline,
  WA_/IWWRK/S_WF_RECIPIENT_ID-STCOD, sy-vline,
  WA_/IWWRK/S_WF_RECIPIENT_ID-SPLD, sy-vline,
  WA_/IWWRK/S_WF_RECIPIENT_ID-SPLG, sy-vline,
  WA_/IWWRK/S_WF_RECIPIENT_ID-SPDB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IWWRK/S_WF_RECIPIENT_ID 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_/IWWRK/S_WF_RECIPIENT_ID 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_/IWWRK/S_WF_RECIPIENT_ID INTO WA_/IWWRK/S_WF_RECIPIENT_ID.


*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 ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/IWWRK/S_WF_RECIPIENT_ID-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IWWRK/S_WF_RECIPIENT_ID-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPDEV, internal->external for field SPLD
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_/IWWRK/S_WF_RECIPIENT_ID-SPLD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IWWRK/S_WF_RECIPIENT_ID-SPLD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/IWWRK/S_WF_RECIPIENT_ID-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IWWRK/S_WF_RECIPIENT_ID-LANGU.
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_/IWWRK/S_WF_RECIPIENT_ID_STR, 
RECIPIENT_ID TYPE STRING,
RECIPIENT_NAME TYPE STRING,
SUBSTITUTION_FLAG TYPE STRING,
SUBSTITUTED_BY_DETAILS TYPE STRING,
SUBSTITUTED_FOR_DETAILS TYPE STRING,
LANGUAGE TYPE STRING,
USER_DEFAULTS TYPE STRING,
STCOD TYPE STRING,
SPLD TYPE STRING,
SPLG TYPE STRING,
SPDB TYPE STRING,
SPDA TYPE STRING,
DATFM TYPE STRING,
DCPFM TYPE STRING,
LANGU TYPE STRING,
CATTKENNZ TYPE STRING,
KOSTL TYPE STRING,
START_MENU TYPE STRING,
TIMEFM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IWWRK/S_WF_RECIPIENT_ID_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_/IWWRK/S_WF_RECIPIENT_ID_STR-RECIPIENT_ID sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-RECIPIENT_NAME sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SUBSTITUTION_FLAG sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SUBSTITUTED_BY_DETAILS sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SUBSTITUTED_FOR_DETAILS sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-LANGUAGE sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-USER_DEFAULTS sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-STCOD sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SPLD sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SPLG sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SPDB sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-SPDA sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-DATFM sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-DCPFM sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-LANGU sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-CATTKENNZ sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-KOSTL sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-START_MENU sy-vline 
WA_/IWWRK/S_WF_RECIPIENT_ID_STR-TIMEFM sy-vline      INTO ld_text SEPARATED BY SPACE.

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