ABAP Select data from SAP table DFS_FMPO_VARNT_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFS_FMPO_VARNT_D
*  INTO TABLE @DATA(IT_DFS_FMPO_VARNT_D2).
*--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_DFS_FMPO_VARNT_D INDEX 1 INTO DATA(WA_DFS_FMPO_VARNT_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFS_FMPO_VARNT_D>-MANDT = 1.
<DFS_FMPO_VARNT_D>-FLXBLMATLPLNGOBJVARIANTUUID = 1.
<DFS_FMPO_VARNT_D>-FLXBLMATLPLNGOBJECTUUID = 1.
<DFS_FMPO_VARNT_D>-FLXBLMATLPLNGOBJECTID = 1.
<DFS_FMPO_VARNT_D>-FLXBLMATLPLNGOBJVARIANTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFS_FMPO_VARNT_D-FLXBLMATLPLNGOBJVARIANTDESC, sy-vline,
  WA_DFS_FMPO_VARNT_D-FLXBLMATLPLNGOBJVARDESCFOED, sy-vline,
  WA_DFS_FMPO_VARNT_D-DFSASSGMTSTATUSOBJECT, sy-vline,
  WA_DFS_FMPO_VARNT_D-FLXMTPLOBJVARSTATUSCODE, sy-vline,
  WA_DFS_FMPO_VARNT_D-CRITICALITY, sy-vline,
  WA_DFS_FMPO_VARNT_D-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFS_FMPO_VARNT_D 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_DFS_FMPO_VARNT_D 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_DFS_FMPO_VARNT_D INTO WA_DFS_FMPO_VARNT_D.


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

*Conversion exit ALPHA, internal->external for field PACKINGINSTRUCTIONNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFS_FMPO_VARNT_D-PACKINGINSTRUCTIONNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFS_FMPO_VARNT_D-PACKINGINSTRUCTIONNUMBER.
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_DFS_FMPO_VARNT_D_STR, 
MANDT TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
FLXBLMATLPLNGOBJECTUUID TYPE STRING,
FLXBLMATLPLNGOBJECTID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTDESC TYPE STRING,
FLXBLMATLPLNGOBJVARDESCFOED TYPE STRING,
DFSASSGMTSTATUSOBJECT TYPE STRING,
FLXMTPLOBJVARSTATUSCODE TYPE STRING,
CRITICALITY TYPE STRING,
MATERIALGROUP TYPE STRING,
FLXMTPLOBJVAREXTERNALPRODGROUP TYPE STRING,
FLXMTPLOBJVARPRODUCT TYPE STRING,
FLXMTPLOBJVARISRELOCRLVT TYPE STRING,
FLXMTPLOBJVARISSERIALNMBRRLVT TYPE STRING,
FLXMTPLOBJVARRESPPLNROBJTYPE TYPE STRING,
FLXMTPLOBJVARRESPPLNROBJECTID TYPE STRING,
FLXMTPLOBJVAROWNEROBJECTTYPE TYPE STRING,
FLXMTPLOBJVAROWNEROBJECTID TYPE STRING,
FLXMTPLOBJVARCREATIONDATETIME TYPE STRING,
FLXMTPLOBJVARIANTCREATEDBYUSER TYPE STRING,
FLXMTPLOBJVARLASTCHANGEDDTETME TYPE STRING,
FLXMTPLOBJVARIANTLASTCHANGEDBY TYPE STRING,
PACKINGINSTRUCTIONSYSTEMUUID TYPE STRING,
DFSISSTRUCAUTHZNENABLED TYPE STRING,
PACKINGINSTRUCTIONNUMBER TYPE STRING,
PACKINGINSTRUCTIONTEXT TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_FMPO_VARIANT_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFS_FMPO_VARNT_D_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_DFS_FMPO_VARNT_D_STR-MANDT sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXBLMATLPLNGOBJECTUUID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXBLMATLPLNGOBJECTID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXBLMATLPLNGOBJVARIANTID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXBLMATLPLNGOBJVARIANTDESC sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXBLMATLPLNGOBJVARDESCFOED sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DFSASSGMTSTATUSOBJECT sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARSTATUSCODE sy-vline 
WA_DFS_FMPO_VARNT_D_STR-CRITICALITY sy-vline 
WA_DFS_FMPO_VARNT_D_STR-MATERIALGROUP sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVAREXTERNALPRODGROUP sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARPRODUCT sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARISRELOCRLVT sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARISSERIALNMBRRLVT sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARRESPPLNROBJTYPE sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARRESPPLNROBJECTID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVAROWNEROBJECTTYPE sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVAROWNEROBJECTID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARCREATIONDATETIME sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARIANTCREATEDBYUSER sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARLASTCHANGEDDTETME sy-vline 
WA_DFS_FMPO_VARNT_D_STR-FLXMTPLOBJVARIANTLASTCHANGEDBY sy-vline 
WA_DFS_FMPO_VARNT_D_STR-PACKINGINSTRUCTIONSYSTEMUUID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DFSISSTRUCAUTHZNENABLED sy-vline 
WA_DFS_FMPO_VARNT_D_STR-PACKINGINSTRUCTIONNUMBER sy-vline 
WA_DFS_FMPO_VARNT_D_STR-PACKINGINSTRUCTIONTEXT sy-vline 
WA_DFS_FMPO_VARNT_D_STR-ACTIVEUUID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-HASACTIVEENTITY sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_DFS_FMPO_VARNT_D_STR-DUMMY_FMPO_VARIANT_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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