ABAP Select data from SAP table EMG_SAPRE_DMM_DVM_01_02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EMG_SAPRE_DMM_DVM_01_02 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 EMG_SAPRE_DMM_DVM_01_02. 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 EMG_SAPRE_DMM_DVM_01_02 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_EMG_SAPRE_DMM_DVM_01_02 TYPE STANDARD TABLE OF EMG_SAPRE_DMM_DVM_01_02,
      WA_EMG_SAPRE_DMM_DVM_01_02 TYPE EMG_SAPRE_DMM_DVM_01_02,
      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: <EMG_SAPRE_DMM_DVM_01_02> TYPE EMG_SAPRE_DMM_DVM_01_02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EMG_SAPRE_DMM_DVM_01_02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EMG_SAPRE_DMM_DVM_01_02
  INTO TABLE IT_EMG_SAPRE_DMM_DVM_01_02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EMG_SAPRE_DMM_DVM_01_02
*  INTO TABLE @DATA(IT_EMG_SAPRE_DMM_DVM_01_022).
*--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_EMG_SAPRE_DMM_DVM_01_02 INDEX 1 INTO DATA(WA_EMG_SAPRE_DMM_DVM_01_022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EMG_SAPRE_DMM_DVM_01_02 ASSIGNING <EMG_SAPRE_DMM_DVM_01_02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EMG_SAPRE_DMM_DVM_01_02>-MANDT = 1.
<EMG_SAPRE_DMM_DVM_01_02>-SPARTE = 1.
<EMG_SAPRE_DMM_DVM_01_02>-SPATXT = 1.
<EMG_SAPRE_DMM_DVM_01_02>-SPARTYP = 1.
<EMG_SAPRE_DMM_DVM_01_02>-BAUFORM = 1.

ENDLOOP.

LOOP AT IT_EMG_SAPRE_DMM_DVM_01_02 INTO WA_EMG_SAPRE_DMM_DVM_01_02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EMG_SAPRE_DMM_DVM_01_02-EQUNR, sy-vline,
  WA_EMG_SAPRE_DMM_DVM_01_02-BIS, sy-vline,
  WA_EMG_SAPRE_DMM_DVM_01_02-AB, sy-vline,
  WA_EMG_SAPRE_DMM_DVM_01_02-GERAET, sy-vline,
  WA_EMG_SAPRE_DMM_DVM_01_02-LOGIKNR, sy-vline,
  WA_EMG_SAPRE_DMM_DVM_01_02-INT_UI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EMG_SAPRE_DMM_DVM_01_02 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_EMG_SAPRE_DMM_DVM_01_02 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_EMG_SAPRE_DMM_DVM_01_02 INTO WA_EMG_SAPRE_DMM_DVM_01_02.


*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 EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field GERAET
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-GERAET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-GERAET.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SERMATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-SERMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-SERMATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field DEVLOC
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-DEVLOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-DEVLOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-LOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-LOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEVGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-DEVGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-DEVGRP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EAGRUPPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-EAGRUPPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-EAGRUPPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOMGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-KOMGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-KOMGRP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZWGRUPPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-ZWGRUPPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-ZWGRUPPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WGRUPPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-WGRUPPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-WGRUPPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RAT11, internal->external for field RATING
CALL FUNCTION 'CONVERSION_EXIT_RAT11_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-RATING
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-RATING.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PVOLT, internal->external for field P_VOLTAGE
CALL FUNCTION 'CONVERSION_EXIT_PVOLT_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-P_VOLTAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-P_VOLTAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SVOLT, internal->external for field S_VOLTAGE
CALL FUNCTION 'CONVERSION_EXIT_SVOLT_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-S_VOLTAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-S_VOLTAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MSG_LENGTH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMG_SAPRE_DMM_DVM_01_02-MSG_LENGTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMG_SAPRE_DMM_DVM_01_02-MSG_LENGTH.
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_EMG_SAPRE_DMM_DVM_01_02_STR, 
MANDT TYPE STRING,
SPARTE TYPE STRING,
SPATXT TYPE STRING,
SPARTYP TYPE STRING,
BAUFORM TYPE STRING,
EQUNR TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
GERAET TYPE STRING,
LOGIKNR TYPE STRING,
INT_UI TYPE STRING,
EXT_UI TYPE STRING,
MORE_UI TYPE STRING,
WERK TYPE STRING,
LAGER TYPE STRING,
SERMATNR TYPE STRING,
DEVLOC TYPE STRING,
ADDRELINE2 TYPE STRING,
EINBDAT TYPE STRING,
AUSBDAT TYPE STRING,
GERWECHS TYPE STRING,
LOS TYPE STRING,
DEVGRP TYPE STRING,
TEXT30 TYPE STRING,
KOMBINAT TYPE STRING,
MESSART TYPE STRING,
WANDART TYPE STRING,
TRANSFAKTOLD TYPE STRING,
TRANSFAKTNEW TYPE STRING,
NENNBEL TYPE STRING,
LINE_MARK TYPE STRING,
BEZEICHN_PAR TYPE STRING,
BEZEICHN_PLOMBE TYPE STRING,
EAGRUPPE TYPE STRING,
KOMGRP TYPE STRING,
MESSDRCK TYPE STRING,
UEBERVER TYPE STRING,
PLOMBDAT TYPE STRING,
HERST TYPE STRING,
BGLNUM TYPE STRING,
UMBAUGR TYPE STRING,
PARAMETR TYPE STRING,
PLOMBE TYPE STRING,
TYPBZ TYPE STRING,
ZSPANNS TYPE STRING,
ZSTROMS TYPE STRING,
ZSPANNP TYPE STRING,
ZSTROMP TYPE STRING,
ZWGRUPPE TYPE STRING,
WGRUPPE TYPE STRING,
PRIMWNR1 TYPE STRING,
SEKWNR1 TYPE STRING,
PRIMWNR2 TYPE STRING,
SEKWNR2 TYPE STRING,
SERVICE_PROV TYPE STRING,
EGERR_INFO TYPE STRING,
PPM_METER TYPE STRING,
LOSSDTGROUP TYPE STRING,
RATING TYPE STRING,
P_VOLTAGE TYPE STRING,
S_VOLTAGE TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
NEW_EGERR TYPE STRING,
MATNR TYPE STRING,
SERVICE_PROV_TXT TYPE STRING,
BEGRU TYPE STRING,
AMS TYPE STRING,
AMS_TXT TYPE STRING,
AMCG_CAP_GRP TYPE STRING,
AMCG_CAP_GRP_TXT TYPE STRING,
AM_ICON TYPE STRING,
AMS_DGRP TYPE STRING,
AMCG_DGRP TYPE STRING,
AMI_DEVICE_STTXT TYPE STRING,
BUSTRAN TYPE STRING,
UII TYPE STRING,
MSG_ATTR_ID TYPE STRING,
MSG_ATTR_TEXT TYPE STRING,
MSG_DGRP_ID TYPE STRING,
MSG_LENGTH TYPE STRING,
CAP_ACT_GRP TYPE STRING,
CAP_ACT_GRP_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EMG_SAPRE_DMM_DVM_01_02_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_EMG_SAPRE_DMM_DVM_01_02_STR-MANDT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SPARTE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SPATXT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SPARTYP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BAUFORM sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-EQUNR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BIS sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AB sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-GERAET sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-LOGIKNR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-INT_UI sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-EXT_UI sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MORE_UI sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-WERK sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-LAGER sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SERMATNR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-DEVLOC sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ADDRELINE2 sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-EINBDAT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AUSBDAT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-GERWECHS sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-LOS sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-DEVGRP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-TEXT30 sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-KOMBINAT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MESSART sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-WANDART sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-TRANSFAKTOLD sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-TRANSFAKTNEW sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-NENNBEL sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-LINE_MARK sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BEZEICHN_PAR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BEZEICHN_PLOMBE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-EAGRUPPE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-KOMGRP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MESSDRCK sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-UEBERVER sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-PLOMBDAT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-HERST sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BGLNUM sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-UMBAUGR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-PARAMETR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-PLOMBE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-TYPBZ sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ZSPANNS sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ZSTROMS sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ZSPANNP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ZSTROMP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ZWGRUPPE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-WGRUPPE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-PRIMWNR1 sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SEKWNR1 sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-PRIMWNR2 sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SEKWNR2 sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SERVICE_PROV sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-EGERR_INFO sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-PPM_METER sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-LOSSDTGROUP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-RATING sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-P_VOLTAGE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-S_VOLTAGE sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ERDAT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-ERNAM sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AEDAT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AENAM sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-NEW_EGERR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MATNR sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-SERVICE_PROV_TXT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BEGRU sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMS sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMS_TXT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMCG_CAP_GRP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMCG_CAP_GRP_TXT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AM_ICON sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMS_DGRP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMCG_DGRP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-AMI_DEVICE_STTXT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-BUSTRAN sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-UII sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MSG_ATTR_ID sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MSG_ATTR_TEXT sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MSG_DGRP_ID sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-MSG_LENGTH sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-CAP_ACT_GRP sy-vline 
WA_EMG_SAPRE_DMM_DVM_01_02_STR-CAP_ACT_GRP_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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