ABAP Select data from SAP table DELSCHED_ST_VBFA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DELSCHED_ST_VBFA
*  INTO TABLE @DATA(IT_DELSCHED_ST_VBFA2).
*--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_DELSCHED_ST_VBFA INDEX 1 INTO DATA(WA_DELSCHED_ST_VBFA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DELSCHED_ST_VBFA>-VBELV = 1.
<DELSCHED_ST_VBFA>-POSNV = 1.
<DELSCHED_ST_VBFA>-SORTD = 1.
<DELSCHED_ST_VBFA>-BSTNK = 1.
<DELSCHED_ST_VBFA>-VBELN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DELSCHED_ST_VBFA-POSNN, sy-vline,
  WA_DELSCHED_ST_VBFA-LFIMG, sy-vline,
  WA_DELSCHED_ST_VBFA-VRKME, sy-vline,
  WA_DELSCHED_ST_VBFA-UMVKZ, sy-vline,
  WA_DELSCHED_ST_VBFA-UMVKN, sy-vline,
  WA_DELSCHED_ST_VBFA-KOMKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DELSCHED_ST_VBFA 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_DELSCHED_ST_VBFA 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_DELSCHED_ST_VBFA INTO WA_DELSCHED_ST_VBFA.


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

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

*Conversion exit CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DELSCHED_ST_VBFA-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DELSCHED_ST_VBFA-VRKME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DELSCHED_ST_VBFA-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DELSCHED_ST_VBFA-KUNNR.
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_DELSCHED_ST_VBFA_STR, 
VBELV TYPE STRING,
POSNV TYPE STRING,
SORTD TYPE STRING,
BSTNK TYPE STRING,
VBELN TYPE STRING,
POSNN TYPE STRING,
LFIMG TYPE STRING,
VRKME TYPE STRING,
UMVKZ TYPE STRING,
UMVKN TYPE STRING,
KOMKZ TYPE STRING,
VSEKZ TYPE STRING,
WABKZ TYPE STRING,
WADAT TYPE STRING,
LIFFZ TYPE STRING,
PLMIN TYPE STRING,
ERDAT TYPE STRING,
ERZET TYPE STRING,
EQUKZ TYPE STRING,
VBTYP_N TYPE STRING,
NACHL TYPE STRING,
KLIEF TYPE STRING,
EDLUE TYPE STRING,
LFART TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LADGR TYPE STRING,
GRULG TYPE STRING,
ROUTE TYPE STRING,
VSTEL TYPE STRING,
AULWE TYPE STRING,
VKORG TYPE STRING,
KUNNR TYPE STRING,
ABHOD TYPE STRING,
ABGRU TYPE STRING,
RFMNG TYPE STRING,
DAT_FZAU TYPE STRING,
MLFMNG_REL TYPE STRING,
WAFZ_REL TYPE STRING,
PSTYV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DELSCHED_ST_VBFA_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_DELSCHED_ST_VBFA_STR-VBELV sy-vline 
WA_DELSCHED_ST_VBFA_STR-POSNV sy-vline 
WA_DELSCHED_ST_VBFA_STR-SORTD sy-vline 
WA_DELSCHED_ST_VBFA_STR-BSTNK sy-vline 
WA_DELSCHED_ST_VBFA_STR-VBELN sy-vline 
WA_DELSCHED_ST_VBFA_STR-POSNN sy-vline 
WA_DELSCHED_ST_VBFA_STR-LFIMG sy-vline 
WA_DELSCHED_ST_VBFA_STR-VRKME sy-vline 
WA_DELSCHED_ST_VBFA_STR-UMVKZ sy-vline 
WA_DELSCHED_ST_VBFA_STR-UMVKN sy-vline 
WA_DELSCHED_ST_VBFA_STR-KOMKZ sy-vline 
WA_DELSCHED_ST_VBFA_STR-VSEKZ sy-vline 
WA_DELSCHED_ST_VBFA_STR-WABKZ sy-vline 
WA_DELSCHED_ST_VBFA_STR-WADAT sy-vline 
WA_DELSCHED_ST_VBFA_STR-LIFFZ sy-vline 
WA_DELSCHED_ST_VBFA_STR-PLMIN sy-vline 
WA_DELSCHED_ST_VBFA_STR-ERDAT sy-vline 
WA_DELSCHED_ST_VBFA_STR-ERZET sy-vline 
WA_DELSCHED_ST_VBFA_STR-EQUKZ sy-vline 
WA_DELSCHED_ST_VBFA_STR-VBTYP_N sy-vline 
WA_DELSCHED_ST_VBFA_STR-NACHL sy-vline 
WA_DELSCHED_ST_VBFA_STR-KLIEF sy-vline 
WA_DELSCHED_ST_VBFA_STR-EDLUE sy-vline 
WA_DELSCHED_ST_VBFA_STR-LFART sy-vline 
WA_DELSCHED_ST_VBFA_STR-MATNR sy-vline 
WA_DELSCHED_ST_VBFA_STR-WERKS sy-vline 
WA_DELSCHED_ST_VBFA_STR-LADGR sy-vline 
WA_DELSCHED_ST_VBFA_STR-GRULG sy-vline 
WA_DELSCHED_ST_VBFA_STR-ROUTE sy-vline 
WA_DELSCHED_ST_VBFA_STR-VSTEL sy-vline 
WA_DELSCHED_ST_VBFA_STR-AULWE sy-vline 
WA_DELSCHED_ST_VBFA_STR-VKORG sy-vline 
WA_DELSCHED_ST_VBFA_STR-KUNNR sy-vline 
WA_DELSCHED_ST_VBFA_STR-ABHOD sy-vline 
WA_DELSCHED_ST_VBFA_STR-ABGRU sy-vline 
WA_DELSCHED_ST_VBFA_STR-RFMNG sy-vline 
WA_DELSCHED_ST_VBFA_STR-DAT_FZAU sy-vline 
WA_DELSCHED_ST_VBFA_STR-MLFMNG_REL sy-vline 
WA_DELSCHED_ST_VBFA_STR-WAFZ_REL sy-vline 
WA_DELSCHED_ST_VBFA_STR-PSTYV sy-vline      INTO ld_text SEPARATED BY SPACE.

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