ABAP Select data from SAP table VDVDHGRPF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VDVDHGRPF
*  INTO TABLE @DATA(IT_VDVDHGRPF2).
*--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_VDVDHGRPF INDEX 1 INTO DATA(WA_VDVDHGRPF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VDVDHGRPF>-MANDT = 1.
<VDVDHGRPF>-BUKRS = 1.
<VDVDHGRPF>-RSICHER = 1.
<VDVDHGRPF>-SSICH = 1.
<VDVDHGRPF>-SSICHART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VDVDHGRPF-BGRPFSUM, sy-vline,
  WA_VDVDHGRPF-SWHRGRPF, sy-vline,
  WA_VDVDHGRPF-SGRPFART, sy-vline,
  WA_VDVDHGRPF-SHYPART, sy-vline,
  WA_VDVDHGRPF-SGRPFTYP, sy-vline,
  WA_VDVDHGRPF-XBRIEFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VDVDHGRPF 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_VDVDHGRPF 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_VDVDHGRPF INTO WA_VDVDHGRPF.


*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 XNRA3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VDVDHGRPF-XNRA3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VDVDHGRPF-XNRA3.
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_VDVDHGRPF_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RSICHER TYPE STRING,
SSICH TYPE STRING,
SSICHART TYPE STRING,
BGRPFSUM TYPE STRING,
SWHRGRPF TYPE STRING,
SGRPFART TYPE STRING,
SHYPART TYPE STRING,
SGRPFTYP TYPE STRING,
XBRIEFNR TYPE STRING,
DURKBR TYPE STRING,
DGBMIT1 TYPE STRING,
RABTRET TYPE STRING,
DABTRET TYPE STRING,
DAUFLASS TYPE STRING,
DGBMIT2 TYPE STRING,
PVSTRECK TYPE STRING,
BVSTRECK TYPE STRING,
JGSGESAMT TYPE STRING,
JTREU TYPE STRING,
JREVALUT TYPE STRING,
DGBMIT TYPE STRING,
JLOESCH TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
RBELAST TYPE STRING,
SRANG TYPE STRING,
BDARLEH TYPE STRING,
SNRABT3 TYPE STRING,
XNRA3 TYPE STRING,
KOMM1 TYPE STRING,
KOMM2 TYPE STRING,
REFSICHER TYPE STRING,
REFOBJ TYPE STRING,
BFREIIII TYPE STRING,
DFREITL TYPE STRING,
BABTRAKT TYPE STRING,
SECNO TYPE STRING,
SECSUBNO TYPE STRING,
ENTRYDATE TYPE STRING,
ENCCURRENCY TYPE STRING,
ENCVALUE TYPE STRING,
RANKINGNO TYPE STRING,
XCOMMENT TYPE STRING,
APPROVALDATE TYPE STRING,
LANDCHRGINTRATE TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VDVDHGRPF_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_VDVDHGRPF_STR-MANDT sy-vline 
WA_VDVDHGRPF_STR-BUKRS sy-vline 
WA_VDVDHGRPF_STR-RSICHER sy-vline 
WA_VDVDHGRPF_STR-SSICH sy-vline 
WA_VDVDHGRPF_STR-SSICHART sy-vline 
WA_VDVDHGRPF_STR-BGRPFSUM sy-vline 
WA_VDVDHGRPF_STR-SWHRGRPF sy-vline 
WA_VDVDHGRPF_STR-SGRPFART sy-vline 
WA_VDVDHGRPF_STR-SHYPART sy-vline 
WA_VDVDHGRPF_STR-SGRPFTYP sy-vline 
WA_VDVDHGRPF_STR-XBRIEFNR sy-vline 
WA_VDVDHGRPF_STR-DURKBR sy-vline 
WA_VDVDHGRPF_STR-DGBMIT1 sy-vline 
WA_VDVDHGRPF_STR-RABTRET sy-vline 
WA_VDVDHGRPF_STR-DABTRET sy-vline 
WA_VDVDHGRPF_STR-DAUFLASS sy-vline 
WA_VDVDHGRPF_STR-DGBMIT2 sy-vline 
WA_VDVDHGRPF_STR-PVSTRECK sy-vline 
WA_VDVDHGRPF_STR-BVSTRECK sy-vline 
WA_VDVDHGRPF_STR-JGSGESAMT sy-vline 
WA_VDVDHGRPF_STR-JTREU sy-vline 
WA_VDVDHGRPF_STR-JREVALUT sy-vline 
WA_VDVDHGRPF_STR-DGBMIT sy-vline 
WA_VDVDHGRPF_STR-JLOESCH sy-vline 
WA_VDVDHGRPF_STR-RERF sy-vline 
WA_VDVDHGRPF_STR-DERF sy-vline 
WA_VDVDHGRPF_STR-TERF sy-vline 
WA_VDVDHGRPF_STR-REHER sy-vline 
WA_VDVDHGRPF_STR-RBEAR sy-vline 
WA_VDVDHGRPF_STR-DBEAR sy-vline 
WA_VDVDHGRPF_STR-TBEAR sy-vline 
WA_VDVDHGRPF_STR-RBHER sy-vline 
WA_VDVDHGRPF_STR-RBELAST sy-vline 
WA_VDVDHGRPF_STR-SRANG sy-vline 
WA_VDVDHGRPF_STR-BDARLEH sy-vline 
WA_VDVDHGRPF_STR-SNRABT3 sy-vline 
WA_VDVDHGRPF_STR-XNRA3 sy-vline 
WA_VDVDHGRPF_STR-KOMM1 sy-vline 
WA_VDVDHGRPF_STR-KOMM2 sy-vline 
WA_VDVDHGRPF_STR-REFSICHER sy-vline 
WA_VDVDHGRPF_STR-REFOBJ sy-vline 
WA_VDVDHGRPF_STR-BFREIIII sy-vline 
WA_VDVDHGRPF_STR-DFREITL sy-vline 
WA_VDVDHGRPF_STR-BABTRAKT sy-vline 
WA_VDVDHGRPF_STR-SECNO sy-vline 
WA_VDVDHGRPF_STR-SECSUBNO sy-vline 
WA_VDVDHGRPF_STR-ENTRYDATE sy-vline 
WA_VDVDHGRPF_STR-ENCCURRENCY sy-vline 
WA_VDVDHGRPF_STR-ENCVALUE sy-vline 
WA_VDVDHGRPF_STR-RANKINGNO sy-vline 
WA_VDVDHGRPF_STR-XCOMMENT sy-vline 
WA_VDVDHGRPF_STR-APPROVALDATE sy-vline 
WA_VDVDHGRPF_STR-LANDCHRGINTRATE sy-vline 
WA_VDVDHGRPF_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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