ABAP Select data from SAP table VTB_S_FORW_DYNP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTB_S_FORW_DYNP
*  INTO TABLE @DATA(IT_VTB_S_FORW_DYNP2).
*--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_VTB_S_FORW_DYNP INDEX 1 INTO DATA(WA_VTB_S_FORW_DYNP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTB_S_FORW_DYNP>-XBUKRS = 1.
<VTB_S_FORW_DYNP>-XLDEPO = 1.
<VTB_S_FORW_DYNP>-XGSART = 1.
<VTB_S_FORW_DYNP>-XFHAART = 1.
<VTB_S_FORW_DYNP>-XABWTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTB_S_FORW_DYNP-XRFHA, sy-vline,
  WA_VTB_S_FORW_DYNP-XAKTIV, sy-vline,
  WA_VTB_S_FORW_DYNP-XKONTRH, sy-vline,
  WA_VTB_S_FORW_DYNP-XALKZ, sy-vline,
  WA_VTB_S_FORW_DYNP-DVORGANG, sy-vline,
  WA_VTB_S_FORW_DYNP-XFRGZUST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTB_S_FORW_DYNP 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_VTB_S_FORW_DYNP 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_VTB_S_FORW_DYNP INTO WA_VTB_S_FORW_DYNP.


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

*Conversion exit ALPHA, internal->external for field LOAN_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTB_S_FORW_DYNP-LOAN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTB_S_FORW_DYNP-LOAN_ID.
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_VTB_S_FORW_DYNP_STR, 
XBUKRS TYPE STRING,
XLDEPO TYPE STRING,
XGSART TYPE STRING,
XFHAART TYPE STRING,
XABWTYP TYPE STRING,
XRFHA TYPE STRING,
XAKTIV TYPE STRING,
XKONTRH TYPE STRING,
XALKZ TYPE STRING,
DVORGANG TYPE STRING,
XFRGZUST TYPE STRING,
XGARANT TYPE STRING,
SNOTE TYPE STRING,
SINCLB TYPE STRING,
SINCLE TYPE STRING,
SNPVCALY TYPE STRING,
SNPVCALD TYPE STRING,
SRNDNGB TYPE STRING,
SRNDNGD TYPE STRING,
SRNDNGU TYPE STRING,
SKUENDT TYPE STRING,
SKUENDM TYPE STRING,
KONTRH_NEW TYPE STRING,
XPORTB TYPE STRING,
ROLLOVERFL TYPE STRING,
LOAN_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTB_S_FORW_DYNP_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_VTB_S_FORW_DYNP_STR-XBUKRS sy-vline 
WA_VTB_S_FORW_DYNP_STR-XLDEPO sy-vline 
WA_VTB_S_FORW_DYNP_STR-XGSART sy-vline 
WA_VTB_S_FORW_DYNP_STR-XFHAART sy-vline 
WA_VTB_S_FORW_DYNP_STR-XABWTYP sy-vline 
WA_VTB_S_FORW_DYNP_STR-XRFHA sy-vline 
WA_VTB_S_FORW_DYNP_STR-XAKTIV sy-vline 
WA_VTB_S_FORW_DYNP_STR-XKONTRH sy-vline 
WA_VTB_S_FORW_DYNP_STR-XALKZ sy-vline 
WA_VTB_S_FORW_DYNP_STR-DVORGANG sy-vline 
WA_VTB_S_FORW_DYNP_STR-XFRGZUST sy-vline 
WA_VTB_S_FORW_DYNP_STR-XGARANT sy-vline 
WA_VTB_S_FORW_DYNP_STR-SNOTE sy-vline 
WA_VTB_S_FORW_DYNP_STR-SINCLB sy-vline 
WA_VTB_S_FORW_DYNP_STR-SINCLE sy-vline 
WA_VTB_S_FORW_DYNP_STR-SNPVCALY sy-vline 
WA_VTB_S_FORW_DYNP_STR-SNPVCALD sy-vline 
WA_VTB_S_FORW_DYNP_STR-SRNDNGB sy-vline 
WA_VTB_S_FORW_DYNP_STR-SRNDNGD sy-vline 
WA_VTB_S_FORW_DYNP_STR-SRNDNGU sy-vline 
WA_VTB_S_FORW_DYNP_STR-SKUENDT sy-vline 
WA_VTB_S_FORW_DYNP_STR-SKUENDM sy-vline 
WA_VTB_S_FORW_DYNP_STR-KONTRH_NEW sy-vline 
WA_VTB_S_FORW_DYNP_STR-XPORTB sy-vline 
WA_VTB_S_FORW_DYNP_STR-ROLLOVERFL sy-vline 
WA_VTB_S_FORW_DYNP_STR-LOAN_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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