ABAP Select data from SAP table FKK_WORKLIST_ODATA_WL_DUNRUNEX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_WORKLIST_ODATA_WL_DUNRUNEX
*  INTO TABLE @DATA(IT_FKK_WORKLIST_ODATA_WL_DUNRUNEX2).
*--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_FKK_WORKLIST_ODATA_WL_DUNRUNEX INDEX 1 INTO DATA(WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_WORKLIST_ODATA_WL_DUNRUNEX>-ODATA_KEY = 1.
<FKK_WORKLIST_ODATA_WL_DUNRUNEX>-LAUFD = 1.
<FKK_WORKLIST_ODATA_WL_DUNRUNEX>-LAUFI = 1.
<FKK_WORKLIST_ODATA_WL_DUNRUNEX>-NUMBER = 1.
<FKK_WORKLIST_ODATA_WL_DUNRUNEX>-BALANCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-DEBITS, sy-vline,
  WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-CREDITS, sy-vline,
  WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-WL_STATE, sy-vline,
  WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-WL_STATETXT, sy-vline,
  WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-WL_CRDAT, sy-vline,
  WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-GPART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX 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_FKK_WORKLIST_ODATA_WL_DUNRUNEX 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_FKK_WORKLIST_ODATA_WL_DUNRUNEX INTO WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX-VTREF.
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_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR, 
ODATA_KEY TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
NUMBER TYPE STRING,
BALANCE TYPE STRING,
DEBITS TYPE STRING,
CREDITS TYPE STRING,
WL_STATE TYPE STRING,
WL_STATETXT TYPE STRING,
WL_CRDAT TYPE STRING,
GPART TYPE STRING,
BP_NAME TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LAST TYPE STRING,
POSTALCODE TYPE STRING,
AUSDT TYPE STRING,
VKONT TYPE STRING,
OPBEL TYPE STRING,
VOR1R TYPE STRING,
VOR2R TYPE STRING,
WAERS TYPE STRING,
POKEN TYPE STRING,
BUKRS TYPE STRING,
SPART TYPE STRING,
GSBER TYPE STRING,
STAKZ TYPE STRING,
BETRW TYPE STRING,
BETRW_T TYPE STRING,
WAERS_T TYPE STRING,
CAEXCEPTIONGROUPARRAY TYPE STRING,
CAEXCEPTIONGROUP TYPE STRING,
MANSP TYPE STRING,
FAEDN TYPE STRING,
SEGMENT TYPE STRING,
BLART TYPE STRING,
PRCTR TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_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_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-ODATA_KEY sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-LAUFD sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-LAUFI sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-NUMBER sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-BALANCE sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-DEBITS sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-CREDITS sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-WL_STATE sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-WL_STATETXT sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-WL_CRDAT sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-GPART sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-BP_NAME sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-NAME_FIRST sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-NAME_LAST sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-POSTALCODE sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-AUSDT sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-VKONT sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-OPBEL sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-VOR1R sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-VOR2R sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-WAERS sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-POKEN sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-BUKRS sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-SPART sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-GSBER sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-STAKZ sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-BETRW sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-BETRW_T sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-WAERS_T sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-CAEXCEPTIONGROUPARRAY sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-CAEXCEPTIONGROUP sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-MANSP sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-FAEDN sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-SEGMENT sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-BLART sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-PRCTR sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-VTREF sy-vline 
WA_FKK_WORKLIST_ODATA_WL_DUNRUNEX_STR-SUBAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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