ABAP Select data from SAP table VTBFHAPO_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTBFHAPO_S
*  INTO TABLE @DATA(IT_VTBFHAPO_S2).
*--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_VTBFHAPO_S INDEX 1 INTO DATA(WA_VTBFHAPO_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTBFHAPO_S>-SBEWZITI = 1.
<VTBFHAPO_S>-SSOLHAB = 1.
<VTBFHAPO_S>-KWKURS = 1.
<VTBFHAPO_S>-SNWHR = 1.
<VTBFHAPO_S>-SBWHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTBFHAPO_S-BBWHR, sy-vline,
  WA_VTBFHAPO_S-SCWHR, sy-vline,
  WA_VTBFHAPO_S-BCWHR, sy-vline,
  WA_VTBFHAPO_S-BHWHR, sy-vline,
  WA_VTBFHAPO_S-SSWHR, sy-vline,
  WA_VTBFHAPO_S-BSWHR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTBFHAPO_S 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_VTBFHAPO_S 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_VTBFHAPO_S INTO WA_VTBFHAPO_S.


*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 EXCRT, internal->external for field KURS1
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_VTBFHAPO_S-KURS1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTBFHAPO_S-KURS1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURS2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_VTBFHAPO_S-KURS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTBFHAPO_S-KURS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KCROSS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_VTBFHAPO_S-KCROSS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTBFHAPO_S-KCROSS.
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_VTBFHAPO_S_STR, 
SBEWZITI TYPE STRING,
SSOLHAB TYPE STRING,
KWKURS TYPE STRING,
SNWHR TYPE STRING,
SBWHR TYPE STRING,
BBWHR TYPE STRING,
SCWHR TYPE STRING,
BCWHR TYPE STRING,
BHWHR TYPE STRING,
SSWHR TYPE STRING,
BSWHR TYPE STRING,
SRUNIT TYPE STRING,
KURS1 TYPE STRING,
KURS2 TYPE STRING,
KCROSS TYPE STRING,
SCRWHR1 TYPE STRING,
SCRWHR2 TYPE STRING,
DORDER TYPE STRING,
DDISPO TYPE STRING,
DBESTAND TYPE STRING,
DBEST6B TYPE STRING,
SSTCKKZ TYPE STRING,
SSTCKTG TYPE STRING,
SEFFMETH TYPE STRING,
PEFFZINS TYPE STRING,
SWOHER TYPE STRING,
SFLAT TYPE STRING,
DCOUPON TYPE STRING,
SCOUPON TYPE STRING,
JONLAEN TYPE STRING,
JZINSZPT TYPE STRING,
RPNNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTBFHAPO_S_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_VTBFHAPO_S_STR-SBEWZITI sy-vline 
WA_VTBFHAPO_S_STR-SSOLHAB sy-vline 
WA_VTBFHAPO_S_STR-KWKURS sy-vline 
WA_VTBFHAPO_S_STR-SNWHR sy-vline 
WA_VTBFHAPO_S_STR-SBWHR sy-vline 
WA_VTBFHAPO_S_STR-BBWHR sy-vline 
WA_VTBFHAPO_S_STR-SCWHR sy-vline 
WA_VTBFHAPO_S_STR-BCWHR sy-vline 
WA_VTBFHAPO_S_STR-BHWHR sy-vline 
WA_VTBFHAPO_S_STR-SSWHR sy-vline 
WA_VTBFHAPO_S_STR-BSWHR sy-vline 
WA_VTBFHAPO_S_STR-SRUNIT sy-vline 
WA_VTBFHAPO_S_STR-KURS1 sy-vline 
WA_VTBFHAPO_S_STR-KURS2 sy-vline 
WA_VTBFHAPO_S_STR-KCROSS sy-vline 
WA_VTBFHAPO_S_STR-SCRWHR1 sy-vline 
WA_VTBFHAPO_S_STR-SCRWHR2 sy-vline 
WA_VTBFHAPO_S_STR-DORDER sy-vline 
WA_VTBFHAPO_S_STR-DDISPO sy-vline 
WA_VTBFHAPO_S_STR-DBESTAND sy-vline 
WA_VTBFHAPO_S_STR-DBEST6B sy-vline 
WA_VTBFHAPO_S_STR-SSTCKKZ sy-vline 
WA_VTBFHAPO_S_STR-SSTCKTG sy-vline 
WA_VTBFHAPO_S_STR-SEFFMETH sy-vline 
WA_VTBFHAPO_S_STR-PEFFZINS sy-vline 
WA_VTBFHAPO_S_STR-SWOHER sy-vline 
WA_VTBFHAPO_S_STR-SFLAT sy-vline 
WA_VTBFHAPO_S_STR-DCOUPON sy-vline 
WA_VTBFHAPO_S_STR-SCOUPON sy-vline 
WA_VTBFHAPO_S_STR-JONLAEN sy-vline 
WA_VTBFHAPO_S_STR-JZINSZPT sy-vline 
WA_VTBFHAPO_S_STR-RPNNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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