ABAP Select data from SAP table MMIV_S_TEXT_DATA_ELEMENTS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMIV_S_TEXT_DATA_ELEMENTS 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_S_TEXT_DATA_ELEMENTS. 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_S_TEXT_DATA_ELEMENTS 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_S_TEXT_DATA_ELEMENTS TYPE STANDARD TABLE OF MMIV_S_TEXT_DATA_ELEMENTS,
      WA_MMIV_S_TEXT_DATA_ELEMENTS TYPE MMIV_S_TEXT_DATA_ELEMENTS,
      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_S_TEXT_DATA_ELEMENTS> TYPE MMIV_S_TEXT_DATA_ELEMENTS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIV_S_TEXT_DATA_ELEMENTS
*  INTO TABLE @DATA(IT_MMIV_S_TEXT_DATA_ELEMENTS2).
*--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_S_TEXT_DATA_ELEMENTS INDEX 1 INTO DATA(WA_MMIV_S_TEXT_DATA_ELEMENTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIV_S_TEXT_DATA_ELEMENTS>-BUDAT_TS = 1.
<MMIV_S_TEXT_DATA_ELEMENTS>-BLDAT_TS = 1.
<MMIV_S_TEXT_DATA_ELEMENTS>-RMWWR = 1.
<MMIV_S_TEXT_DATA_ELEMENTS>-BEZNK = 1.
<MMIV_S_TEXT_DATA_ELEMENTS>-MENGEALT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIV_S_TEXT_DATA_ELEMENTS-REMNG, sy-vline,
  WA_MMIV_S_TEXT_DATA_ELEMENTS-MWSKZ, sy-vline,
  WA_MMIV_S_TEXT_DATA_ELEMENTS-NETPR, sy-vline,
  WA_MMIV_S_TEXT_DATA_ELEMENTS-NETWR, sy-vline,
  WA_MMIV_S_TEXT_DATA_ELEMENTS-BSMNG, sy-vline,
  WA_MMIV_S_TEXT_DATA_ELEMENTS-WEMNG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIV_S_TEXT_DATA_ELEMENTS 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_S_TEXT_DATA_ELEMENTS 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_S_TEXT_DATA_ELEMENTS INTO WA_MMIV_S_TEXT_DATA_ELEMENTS.


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

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

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

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

*Conversion exit FMCIL, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_S_TEXT_DATA_ELEMENTS-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_S_TEXT_DATA_ELEMENTS-FIPOS.
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_S_TEXT_DATA_ELEMENTS_STR, 
BUDAT_TS TYPE STRING,
BLDAT_TS TYPE STRING,
RMWWR TYPE STRING,
BEZNK TYPE STRING,
MENGEALT TYPE STRING,
REMNG TYPE STRING,
MWSKZ TYPE STRING,
NETPR TYPE STRING,
NETWR TYPE STRING,
BSMNG TYPE STRING,
WEMNG TYPE STRING,
ZTERM TYPE STRING,
WSKTO TYPE STRING,
ZLSCH TYPE STRING,
REBZG TYPE STRING,
ZLSPR TYPE STRING,
TXJCD TYPE STRING,
BKTXT TYPE STRING,
SGTXT TYPE STRING,
TXJDP TYPE STRING,
BLDAT TYPE STRING,
RE_BELNR TYPE STRING,
IVTYP TYPE STRING,
SHKZG_TEXT TYPE STRING,
VBELN TYPE STRING,
VBELP TYPE STRING,
COBL_NR TYPE STRING,
WMWST TYPE STRING,
XSKRL TYPE STRING,
RBMNG TYPE STRING,
RBWWR TYPE STRING,
BPRBM TYPE STRING,
EBELN TYPE STRING,
REWWR TYPE STRING,
BVTYP TYPE STRING,
POSNR TYPE STRING,
SPGRQ TYPE STRING,
BUPLA TYPE STRING,
UZAWE TYPE STRING,
REINDAT TYPE STRING,
FISTL TYPE STRING,
HBKID TYPE STRING,
FIPOS TYPE STRING,
KDPOS TYPE STRING,
ZFBDT TYPE STRING,
SHKZG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIV_S_TEXT_DATA_ELEMENTS_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_S_TEXT_DATA_ELEMENTS_STR-BUDAT_TS sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BLDAT_TS sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-RMWWR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BEZNK sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-MENGEALT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-REMNG sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-MWSKZ sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-NETPR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-NETWR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BSMNG sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-WEMNG sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-ZTERM sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-WSKTO sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-ZLSCH sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-REBZG sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-ZLSPR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-TXJCD sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BKTXT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-SGTXT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-TXJDP sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BLDAT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-RE_BELNR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-IVTYP sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-SHKZG_TEXT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-VBELN sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-VBELP sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-COBL_NR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-WMWST sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-XSKRL sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-RBMNG sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-RBWWR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BPRBM sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-EBELN sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-REWWR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BVTYP sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-POSNR sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-SPGRQ sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-BUPLA sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-UZAWE sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-REINDAT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-FISTL sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-HBKID sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-FIPOS sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-KDPOS sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-ZFBDT sy-vline 
WA_MMIV_S_TEXT_DATA_ELEMENTS_STR-SHKZG sy-vline      INTO ld_text SEPARATED BY SPACE.

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