ABAP Select data from SAP table COVP_EAML into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COVP_EAML
*  INTO TABLE @DATA(IT_COVP_EAML2).
*--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_COVP_EAML INDEX 1 INTO DATA(WA_COVP_EAML2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COVP_EAML>-MANDT = 1.
<COVP_EAML>-KOKRS = 1.
<COVP_EAML>-BELNR = 1.
<COVP_EAML>-BUZEI = 1.
<COVP_EAML>-PERIO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COVP_EAML-WTGBTR, sy-vline,
  WA_COVP_EAML-WOGBTR, sy-vline,
  WA_COVP_EAML-WKGBTR, sy-vline,
  WA_COVP_EAML-WKFBTR, sy-vline,
  WA_COVP_EAML-PAGBTR, sy-vline,
  WA_COVP_EAML-PAFBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COVP_EAML 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_COVP_EAML 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_COVP_EAML INTO WA_COVP_EAML.


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

*Conversion exit AC152, internal->external for field WTGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-WTGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-WTGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WOGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-WOGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-WOGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-WKGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-WKGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKFBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-WKFBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-WKFBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PAGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-PAGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-PAGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PAFBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-PAFBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-PAFBTR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-BEKNZ.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit REFBT, internal->external for field RBEST
CALL FUNCTION 'CONVERSION_EXIT_REFBT_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-RBEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-RBEST.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SCOPE, internal->external for field SCOPE
CALL FUNCTION 'CONVERSION_EXIT_SCOPE_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-SCOPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-SCOPE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit SCOPE, internal->external for field PSCOPE
CALL FUNCTION 'CONVERSION_EXIT_SCOPE_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-PSCOPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-PSCOPE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field REFGJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-REFGJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-REFGJ.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field K_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-K_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-K_GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field QUNIT1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-QUNIT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-QUNIT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-QUNIT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-QUNIT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-QUNIT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-QUNIT3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LINEAR_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COVP_EAML-LINEAR_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVP_EAML-LINEAR_UNIT.
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_COVP_EAML_STR, 
MANDT TYPE STRING,
KOKRS TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
PERIO TYPE STRING,
WTGBTR TYPE STRING,
WOGBTR TYPE STRING,
WKGBTR TYPE STRING,
WKFBTR TYPE STRING,
PAGBTR TYPE STRING,
PAFBTR TYPE STRING,
MEGBTR TYPE STRING,
MEFBTR TYPE STRING,
MBGBTR TYPE STRING,
MBFBTR TYPE STRING,
LEDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
PAROB TYPE STRING,
PAROB1 TYPE STRING,
USPOB TYPE STRING,
VBUND TYPE STRING,
PARGB TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
OWAER TYPE STRING,
MEINH TYPE STRING,
MEINB TYPE STRING,
MVFLG TYPE STRING,
SGTXT TYPE STRING,
REFBZ TYPE STRING,
ZLENR TYPE STRING,
BW_REFBZ TYPE STRING,
GKONT TYPE STRING,
GKOAR TYPE STRING,
WERKS TYPE STRING,
MATNR TYPE STRING,
RBEST TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ZEKKN TYPE STRING,
ERLKZ TYPE STRING,
PERNR TYPE STRING,
BTRKL TYPE STRING,
OBJNR_N1 TYPE STRING,
OBJNR_N2 TYPE STRING,
OBJNR_N3 TYPE STRING,
PAOBJNR TYPE STRING,
BELTP TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
FKBER TYPE STRING,
SCOPE TYPE STRING,
LOGSYSO TYPE STRING,
PKSTAR TYPE STRING,
PBUKRS TYPE STRING,
PFKBER TYPE STRING,
PSCOPE TYPE STRING,
LOGSYSP TYPE STRING,
DABRZ TYPE STRING,
BWSTRAT TYPE STRING,
OBJNR_HK TYPE STRING,
TIMESTMP TYPE STRING,
QMNUM TYPE STRING,
GEBER TYPE STRING,
PGEBER TYPE STRING,
GRANT_NBR TYPE STRING,
PGRANT_NBR TYPE STRING,
REFBZ_FI TYPE STRING,
SEGMENT TYPE STRING,
PSEGMENT TYPE STRING,
PRCTR TYPE STRING,
PPRCT TYPE STRING,
BUDGET_PD TYPE STRING,
PBUDGET_PD TYPE STRING,
PRODPER TYPE STRING,
PERAB TYPE STRING,
PERBI TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
CPUDT TYPE STRING,
USNAM TYPE STRING,
BLTXT TYPE STRING,
STFLG TYPE STRING,
STOKZ TYPE STRING,
REFBT TYPE STRING,
REFBN TYPE STRING,
REFBK TYPE STRING,
REFGJ TYPE STRING,
BLART TYPE STRING,
LDGRP TYPE STRING,
ORGVG TYPE STRING,
SUMBZ TYPE STRING,
DELBZ TYPE STRING,
WSDAT TYPE STRING,
KURST TYPE STRING,
VARNR TYPE STRING,
KWAER TYPE STRING,
CTYP1 TYPE STRING,
CTYP2 TYPE STRING,
CTYP3 TYPE STRING,
CTYP4 TYPE STRING,
AWTYP TYPE STRING,
AWORG TYPE STRING,
LOGSYSTEM TYPE STRING,
CPUTM TYPE STRING,
ALEBZ TYPE STRING,
ALEBN TYPE STRING,
AWSYS TYPE STRING,
AWREF_REV TYPE STRING,
AWORG_REV TYPE STRING,
AWKEY TYPE STRING,
VALDT TYPE STRING,
KOKRS_SENDER TYPE STRING,
BELNR_SENDER TYPE STRING,
LOGSYSTEM_SENDER TYPE STRING,
REPROCESSING_STATUS_CODE TYPE STRING,
K_GJAHR TYPE STRING,
K_VERSN TYPE STRING,
K_VRGNG TYPE STRING,
K_TIMESTMP TYPE STRING,
P_AWTYP TYPE STRING,
P_AWKEY TYPE STRING,
P_AWSYS TYPE STRING,
P_KWAER TYPE STRING,
ACCAS TYPE STRING,
ACCASTY TYPE STRING,
KOSTL TYPE STRING,
LSTAR TYPE STRING,
AUFNR TYPE STRING,
AUTYP TYPE STRING,
PSPNR TYPE STRING,
VBELN TYPE STRING,
VBPOSNR TYPE STRING,
CE4KEY TYPE STRING,
ERKRS TYPE STRING,
PACCAS TYPE STRING,
PACCASTY TYPE STRING,
PKOSTL TYPE STRING,
PAUFNR TYPE STRING,
PAUTYP TYPE STRING,
PPSPNR TYPE STRING,
PCE4KEY TYPE STRING,
PLSTAR TYPE STRING,
PVBELN TYPE STRING,
PVBPOSNR TYPE STRING,
P_POSNR TYPE STRING,
PSPID TYPE STRING,
PPSPID TYPE STRING,
QUANT1 TYPE STRING,
QUANT2 TYPE STRING,
QUANT3 TYPE STRING,
QUNIT1 TYPE STRING,
QUNIT2 TYPE STRING,
QUNIT3 TYPE STRING,
START_POINT TYPE STRING,
END_POINT TYPE STRING,
LINEAR_LENGTH TYPE STRING,
LINEAR_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COVP_EAML_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_COVP_EAML_STR-MANDT sy-vline 
WA_COVP_EAML_STR-KOKRS sy-vline 
WA_COVP_EAML_STR-BELNR sy-vline 
WA_COVP_EAML_STR-BUZEI sy-vline 
WA_COVP_EAML_STR-PERIO sy-vline 
WA_COVP_EAML_STR-WTGBTR sy-vline 
WA_COVP_EAML_STR-WOGBTR sy-vline 
WA_COVP_EAML_STR-WKGBTR sy-vline 
WA_COVP_EAML_STR-WKFBTR sy-vline 
WA_COVP_EAML_STR-PAGBTR sy-vline 
WA_COVP_EAML_STR-PAFBTR sy-vline 
WA_COVP_EAML_STR-MEGBTR sy-vline 
WA_COVP_EAML_STR-MEFBTR sy-vline 
WA_COVP_EAML_STR-MBGBTR sy-vline 
WA_COVP_EAML_STR-MBFBTR sy-vline 
WA_COVP_EAML_STR-LEDNR sy-vline 
WA_COVP_EAML_STR-OBJNR sy-vline 
WA_COVP_EAML_STR-GJAHR sy-vline 
WA_COVP_EAML_STR-WRTTP sy-vline 
WA_COVP_EAML_STR-VERSN sy-vline 
WA_COVP_EAML_STR-KSTAR sy-vline 
WA_COVP_EAML_STR-HRKFT sy-vline 
WA_COVP_EAML_STR-VRGNG sy-vline 
WA_COVP_EAML_STR-PAROB sy-vline 
WA_COVP_EAML_STR-PAROB1 sy-vline 
WA_COVP_EAML_STR-USPOB sy-vline 
WA_COVP_EAML_STR-VBUND sy-vline 
WA_COVP_EAML_STR-PARGB sy-vline 
WA_COVP_EAML_STR-BEKNZ sy-vline 
WA_COVP_EAML_STR-TWAER sy-vline 
WA_COVP_EAML_STR-OWAER sy-vline 
WA_COVP_EAML_STR-MEINH sy-vline 
WA_COVP_EAML_STR-MEINB sy-vline 
WA_COVP_EAML_STR-MVFLG sy-vline 
WA_COVP_EAML_STR-SGTXT sy-vline 
WA_COVP_EAML_STR-REFBZ sy-vline 
WA_COVP_EAML_STR-ZLENR sy-vline 
WA_COVP_EAML_STR-BW_REFBZ sy-vline 
WA_COVP_EAML_STR-GKONT sy-vline 
WA_COVP_EAML_STR-GKOAR sy-vline 
WA_COVP_EAML_STR-WERKS sy-vline 
WA_COVP_EAML_STR-MATNR sy-vline 
WA_COVP_EAML_STR-RBEST sy-vline 
WA_COVP_EAML_STR-EBELN sy-vline 
WA_COVP_EAML_STR-EBELP sy-vline 
WA_COVP_EAML_STR-ZEKKN sy-vline 
WA_COVP_EAML_STR-ERLKZ sy-vline 
WA_COVP_EAML_STR-PERNR sy-vline 
WA_COVP_EAML_STR-BTRKL sy-vline 
WA_COVP_EAML_STR-OBJNR_N1 sy-vline 
WA_COVP_EAML_STR-OBJNR_N2 sy-vline 
WA_COVP_EAML_STR-OBJNR_N3 sy-vline 
WA_COVP_EAML_STR-PAOBJNR sy-vline 
WA_COVP_EAML_STR-BELTP sy-vline 
WA_COVP_EAML_STR-BUKRS sy-vline 
WA_COVP_EAML_STR-GSBER sy-vline 
WA_COVP_EAML_STR-FKBER sy-vline 
WA_COVP_EAML_STR-SCOPE sy-vline 
WA_COVP_EAML_STR-LOGSYSO sy-vline 
WA_COVP_EAML_STR-PKSTAR sy-vline 
WA_COVP_EAML_STR-PBUKRS sy-vline 
WA_COVP_EAML_STR-PFKBER sy-vline 
WA_COVP_EAML_STR-PSCOPE sy-vline 
WA_COVP_EAML_STR-LOGSYSP sy-vline 
WA_COVP_EAML_STR-DABRZ sy-vline 
WA_COVP_EAML_STR-BWSTRAT sy-vline 
WA_COVP_EAML_STR-OBJNR_HK sy-vline 
WA_COVP_EAML_STR-TIMESTMP sy-vline 
WA_COVP_EAML_STR-QMNUM sy-vline 
WA_COVP_EAML_STR-GEBER sy-vline 
WA_COVP_EAML_STR-PGEBER sy-vline 
WA_COVP_EAML_STR-GRANT_NBR sy-vline 
WA_COVP_EAML_STR-PGRANT_NBR sy-vline 
WA_COVP_EAML_STR-REFBZ_FI sy-vline 
WA_COVP_EAML_STR-SEGMENT sy-vline 
WA_COVP_EAML_STR-PSEGMENT sy-vline 
WA_COVP_EAML_STR-PRCTR sy-vline 
WA_COVP_EAML_STR-PPRCT sy-vline 
WA_COVP_EAML_STR-BUDGET_PD sy-vline 
WA_COVP_EAML_STR-PBUDGET_PD sy-vline 
WA_COVP_EAML_STR-PRODPER sy-vline 
WA_COVP_EAML_STR-PERAB sy-vline 
WA_COVP_EAML_STR-PERBI sy-vline 
WA_COVP_EAML_STR-BLDAT sy-vline 
WA_COVP_EAML_STR-BUDAT sy-vline 
WA_COVP_EAML_STR-CPUDT sy-vline 
WA_COVP_EAML_STR-USNAM sy-vline 
WA_COVP_EAML_STR-BLTXT sy-vline 
WA_COVP_EAML_STR-STFLG sy-vline 
WA_COVP_EAML_STR-STOKZ sy-vline 
WA_COVP_EAML_STR-REFBT sy-vline 
WA_COVP_EAML_STR-REFBN sy-vline 
WA_COVP_EAML_STR-REFBK sy-vline 
WA_COVP_EAML_STR-REFGJ sy-vline 
WA_COVP_EAML_STR-BLART sy-vline 
WA_COVP_EAML_STR-LDGRP sy-vline 
WA_COVP_EAML_STR-ORGVG sy-vline 
WA_COVP_EAML_STR-SUMBZ sy-vline 
WA_COVP_EAML_STR-DELBZ sy-vline 
WA_COVP_EAML_STR-WSDAT sy-vline 
WA_COVP_EAML_STR-KURST sy-vline 
WA_COVP_EAML_STR-VARNR sy-vline 
WA_COVP_EAML_STR-KWAER sy-vline 
WA_COVP_EAML_STR-CTYP1 sy-vline 
WA_COVP_EAML_STR-CTYP2 sy-vline 
WA_COVP_EAML_STR-CTYP3 sy-vline 
WA_COVP_EAML_STR-CTYP4 sy-vline 
WA_COVP_EAML_STR-AWTYP sy-vline 
WA_COVP_EAML_STR-AWORG sy-vline 
WA_COVP_EAML_STR-LOGSYSTEM sy-vline 
WA_COVP_EAML_STR-CPUTM sy-vline 
WA_COVP_EAML_STR-ALEBZ sy-vline 
WA_COVP_EAML_STR-ALEBN sy-vline 
WA_COVP_EAML_STR-AWSYS sy-vline 
WA_COVP_EAML_STR-AWREF_REV sy-vline 
WA_COVP_EAML_STR-AWORG_REV sy-vline 
WA_COVP_EAML_STR-AWKEY sy-vline 
WA_COVP_EAML_STR-VALDT sy-vline 
WA_COVP_EAML_STR-KOKRS_SENDER sy-vline 
WA_COVP_EAML_STR-BELNR_SENDER sy-vline 
WA_COVP_EAML_STR-LOGSYSTEM_SENDER sy-vline 
WA_COVP_EAML_STR-REPROCESSING_STATUS_CODE sy-vline 
WA_COVP_EAML_STR-K_GJAHR sy-vline 
WA_COVP_EAML_STR-K_VERSN sy-vline 
WA_COVP_EAML_STR-K_VRGNG sy-vline 
WA_COVP_EAML_STR-K_TIMESTMP sy-vline 
WA_COVP_EAML_STR-P_AWTYP sy-vline 
WA_COVP_EAML_STR-P_AWKEY sy-vline 
WA_COVP_EAML_STR-P_AWSYS sy-vline 
WA_COVP_EAML_STR-P_KWAER sy-vline 
WA_COVP_EAML_STR-ACCAS sy-vline 
WA_COVP_EAML_STR-ACCASTY sy-vline 
WA_COVP_EAML_STR-KOSTL sy-vline 
WA_COVP_EAML_STR-LSTAR sy-vline 
WA_COVP_EAML_STR-AUFNR sy-vline 
WA_COVP_EAML_STR-AUTYP sy-vline 
WA_COVP_EAML_STR-PSPNR sy-vline 
WA_COVP_EAML_STR-VBELN sy-vline 
WA_COVP_EAML_STR-VBPOSNR sy-vline 
WA_COVP_EAML_STR-CE4KEY sy-vline 
WA_COVP_EAML_STR-ERKRS sy-vline 
WA_COVP_EAML_STR-PACCAS sy-vline 
WA_COVP_EAML_STR-PACCASTY sy-vline 
WA_COVP_EAML_STR-PKOSTL sy-vline 
WA_COVP_EAML_STR-PAUFNR sy-vline 
WA_COVP_EAML_STR-PAUTYP sy-vline 
WA_COVP_EAML_STR-PPSPNR sy-vline 
WA_COVP_EAML_STR-PCE4KEY sy-vline 
WA_COVP_EAML_STR-PLSTAR sy-vline 
WA_COVP_EAML_STR-PVBELN sy-vline 
WA_COVP_EAML_STR-PVBPOSNR sy-vline 
WA_COVP_EAML_STR-P_POSNR sy-vline 
WA_COVP_EAML_STR-PSPID sy-vline 
WA_COVP_EAML_STR-PPSPID sy-vline 
WA_COVP_EAML_STR-QUANT1 sy-vline 
WA_COVP_EAML_STR-QUANT2 sy-vline 
WA_COVP_EAML_STR-QUANT3 sy-vline 
WA_COVP_EAML_STR-QUNIT1 sy-vline 
WA_COVP_EAML_STR-QUNIT2 sy-vline 
WA_COVP_EAML_STR-QUNIT3 sy-vline 
WA_COVP_EAML_STR-START_POINT sy-vline 
WA_COVP_EAML_STR-END_POINT sy-vline 
WA_COVP_EAML_STR-LINEAR_LENGTH sy-vline 
WA_COVP_EAML_STR-LINEAR_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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