ABAP Select data from SAP table /SCRM/TY_VBAP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCRM/TY_VBAP 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 /SCRM/TY_VBAP. 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 /SCRM/TY_VBAP 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_/SCRM/TY_VBAP TYPE STANDARD TABLE OF /SCRM/TY_VBAP,
      WA_/SCRM/TY_VBAP TYPE /SCRM/TY_VBAP,
      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: </SCRM/TY_VBAP> TYPE /SCRM/TY_VBAP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCRM/TY_VBAP
  INTO TABLE IT_/SCRM/TY_VBAP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCRM/TY_VBAP
*  INTO TABLE @DATA(IT_/SCRM/TY_VBAP2).
*--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_/SCRM/TY_VBAP INDEX 1 INTO DATA(WA_/SCRM/TY_VBAP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCRM/TY_VBAP ASSIGNING </SCRM/TY_VBAP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCRM/TY_VBAP>-VBELN = 1.
</SCRM/TY_VBAP>-POSNR = 1.
</SCRM/TY_VBAP>-MATNR = 1.
</SCRM/TY_VBAP>-ABGRU = 1.
</SCRM/TY_VBAP>-GRKOR = 1.

ENDLOOP.

LOOP AT IT_/SCRM/TY_VBAP INTO WA_/SCRM/TY_VBAP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCRM/TY_VBAP-KZTLF, sy-vline,
  WA_/SCRM/TY_VBAP-KWMENG, sy-vline,
  WA_/SCRM/TY_VBAP-LPRIO, sy-vline,
  WA_/SCRM/TY_VBAP-WERKS, sy-vline,
  WA_/SCRM/TY_VBAP-FLAG, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_/SCRM/TY_VBAP 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_/SCRM/TY_VBAP 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_/SCRM/TY_VBAP INTO WA_/SCRM/TY_VBAP.


*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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCRM/TY_VBAP-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCRM/TY_VBAP-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCRM/TY_VBAP-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCRM/TY_VBAP-MATNR.
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_/SCRM/TY_VBAP_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
MATNR TYPE STRING,
ABGRU TYPE STRING,
GRKOR TYPE STRING,
KZTLF TYPE STRING,
KWMENG TYPE STRING,
LPRIO TYPE STRING,
WERKS TYPE STRING,
FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCRM/TY_VBAP_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_/SCRM/TY_VBAP_STR-VBELN sy-vline 
WA_/SCRM/TY_VBAP_STR-POSNR sy-vline 
WA_/SCRM/TY_VBAP_STR-MATNR sy-vline 
WA_/SCRM/TY_VBAP_STR-ABGRU sy-vline 
WA_/SCRM/TY_VBAP_STR-GRKOR sy-vline 
WA_/SCRM/TY_VBAP_STR-KZTLF sy-vline 
WA_/SCRM/TY_VBAP_STR-KWMENG sy-vline 
WA_/SCRM/TY_VBAP_STR-LPRIO sy-vline 
WA_/SCRM/TY_VBAP_STR-WERKS sy-vline 
WA_/SCRM/TY_VBAP_STR-FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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