ABAP Select data from SAP table MMIV_SI_S_SIM_PSTNG_ITEM_K into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIV_SI_S_SIM_PSTNG_ITEM_K
*  INTO TABLE @DATA(IT_MMIV_SI_S_SIM_PSTNG_ITEM_K2).
*--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_MMIV_SI_S_SIM_PSTNG_ITEM_K INDEX 1 INTO DATA(WA_MMIV_SI_S_SIM_PSTNG_ITEM_K2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIV_SI_S_SIM_PSTNG_ITEM_K>-KEY = 1.
<MMIV_SI_S_SIM_PSTNG_ITEM_K>-PARENT_KEY = 1.
<MMIV_SI_S_SIM_PSTNG_ITEM_K>-ROOT_KEY = 1.
<MMIV_SI_S_SIM_PSTNG_ITEM_K>-AWTYP = 1.
<MMIV_SI_S_SIM_PSTNG_ITEM_K>-AWREF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-AWORG, sy-vline,
  WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-POSNR, sy-vline,
  WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-KOART, sy-vline,
  WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-SAKNR, sy-vline,
  WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-EBELN, sy-vline,
  WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-EBELP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIV_SI_S_SIM_PSTNG_ITEM_K 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_MMIV_SI_S_SIM_PSTNG_ITEM_K 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_MMIV_SI_S_SIM_PSTNG_ITEM_K INTO WA_MMIV_SI_S_SIM_PSTNG_ITEM_K.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-MEINS.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PS_PSP_PNR_EXTERNAL
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-PS_PSP_PNR_EXTERNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-PS_PSP_PNR_EXTERNAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-FIPOS.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SERVICE_DOC_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-SERVICE_DOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_SIM_PSTNG_ITEM_K-SERVICE_DOC_ID.
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_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
POSNR TYPE STRING,
KOART TYPE STRING,
SAKNR TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
MWSKZ TYPE STRING,
TXJCD TYPE STRING,
TXDAT TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
AUFNR TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
BZDAT TYPE STRING,
MATNR TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
WERKS TYPE STRING,
PARGB TYPE STRING,
KSTRG TYPE STRING,
PAOBJNR TYPE STRING,
PRCTR TYPE STRING,
PPRCTR TYPE STRING,
PS_PSP_PNR TYPE STRING,
PS_PSP_PNR_EXTERNAL TYPE STRING,
NPLNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
LIFNR TYPE STRING,
BSCHL TYPE STRING,
BUZID TYPE STRING,
XAUTO TYPE STRING,
KTOSL TYPE STRING,
ZEILE TYPE STRING,
BUKRS TYPE STRING,
CURTP TYPE STRING,
CURTP_TEXT TYPE STRING,
WAERS TYPE STRING,
WRBTR TYPE STRING,
LONGNUM TYPE STRING,
MAKTX TYPE STRING,
SHKZG TYPE STRING,
GEBER TYPE STRING,
BUDGET_PD TYPE STRING,
MEASURE TYPE STRING,
FISTL TYPE STRING,
FIPOS TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
KBLNR TYPE STRING,
KBLPOS TYPE STRING,
FIKRS TYPE STRING,
IS_CALCULATED_POSITION TYPE STRING,
SERVICE_DOC_TYPE TYPE STRING,
SERVICE_DOC_ID TYPE STRING,
SERVICE_DOC_ITEM_ID TYPE STRING,
DUMMY_INCL_EEW_COBL TYPE STRING,
TAX_COUNTRY TYPE STRING,
DUMMY_INCL_EEW_COBL_TR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_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_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KEY sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PARENT_KEY sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-ROOT_KEY sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-AWTYP sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-AWREF sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-AWORG sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-POSNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KOART sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-SAKNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-EBELN sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-EBELP sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-MWSKZ sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-TXJCD sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-TXDAT sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-GSBER sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KOSTL sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KOKRS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-AUFNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-ANLN1 sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-ANLN2 sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-BZDAT sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-MATNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-MENGE sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-MEINS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-WERKS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PARGB sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KSTRG sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PAOBJNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PRCTR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PPRCTR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PS_PSP_PNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-PS_PSP_PNR_EXTERNAL sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-NPLNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KDAUF sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KDPOS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-LIFNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-BSCHL sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-BUZID sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-XAUTO sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KTOSL sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-ZEILE sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-BUKRS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-CURTP sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-CURTP_TEXT sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-WAERS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-WRBTR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-LONGNUM sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-MAKTX sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-SHKZG sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-GEBER sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-BUDGET_PD sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-MEASURE sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-FISTL sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-FIPOS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-FKBER sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-GRANT_NBR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KBLNR sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-KBLPOS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-FIKRS sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-IS_CALCULATED_POSITION sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-SERVICE_DOC_TYPE sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-SERVICE_DOC_ID sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-SERVICE_DOC_ITEM_ID sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-DUMMY_INCL_EEW_COBL sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-TAX_COUNTRY sy-vline 
WA_MMIV_SI_S_SIM_PSTNG_ITEM_K_STR-DUMMY_INCL_EEW_COBL_TR sy-vline      INTO ld_text SEPARATED BY SPACE.

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