ABAP Select data from SAP table /SCWM/S_EX_VAS_AUXPROD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_EX_VAS_AUXPROD
*  INTO TABLE @DATA(IT_/SCWM/S_EX_VAS_AUXPROD2).
*--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_/SCWM/S_EX_VAS_AUXPROD INDEX 1 INTO DATA(WA_/SCWM/S_EX_VAS_AUXPROD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_EX_VAS_AUXPROD>-AUX_SEQ = 1.
</SCWM/S_EX_VAS_AUXPROD>-AX_MATNR = 1.
</SCWM/S_EX_VAS_AUXPROD>-AX_PLAN_QTY = 1.
</SCWM/S_EX_VAS_AUXPROD>-AX_POSTQTY = 1.
</SCWM/S_EX_VAS_AUXPROD>-AX_BASE_UNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_EX_VAS_AUXPROD-HURELEVANT, sy-vline,
  WA_/SCWM/S_EX_VAS_AUXPROD-AX_CHARG, sy-vline,
  WA_/SCWM/S_EX_VAS_AUXPROD-AX_CAT, sy-vline,
  WA_/SCWM/S_EX_VAS_AUXPROD-STOCK_USAGE, sy-vline,
  WA_/SCWM/S_EX_VAS_AUXPROD-STOCK_CNT, sy-vline,
  WA_/SCWM/S_EX_VAS_AUXPROD-STOCK_DOCCAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_EX_VAS_AUXPROD 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_/SCWM/S_EX_VAS_AUXPROD 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_/SCWM/S_EX_VAS_AUXPROD INTO WA_/SCWM/S_EX_VAS_AUXPROD.


*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 MATN1, internal->external for field AX_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_EX_VAS_AUXPROD-AX_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_EX_VAS_AUXPROD-AX_MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field AX_ENTITLED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_EX_VAS_AUXPROD-AX_ENTITLED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_EX_VAS_AUXPROD-AX_ENTITLED.
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_/SCWM/S_EX_VAS_AUXPROD_STR, 
AUX_SEQ TYPE STRING,
AX_MATNR TYPE STRING,
AX_PLAN_QTY TYPE STRING,
AX_POSTQTY TYPE STRING,
AX_BASE_UNIT TYPE STRING,
HURELEVANT TYPE STRING,
AX_CHARG TYPE STRING,
AX_CAT TYPE STRING,
STOCK_USAGE TYPE STRING,
STOCK_CNT TYPE STRING,
STOCK_DOCCAT TYPE STRING,
STOCK_DOCNO TYPE STRING,
STOCK_ITMNO TYPE STRING,
AX_OWNER_ROLE TYPE STRING,
AX_OWNER TYPE STRING,
AX_ENTITLED_ROLE TYPE STRING,
AX_ENTITLED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_EX_VAS_AUXPROD_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_/SCWM/S_EX_VAS_AUXPROD_STR-AUX_SEQ sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_MATNR sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_PLAN_QTY sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_POSTQTY sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_BASE_UNIT sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-HURELEVANT sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_CHARG sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_CAT sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-STOCK_USAGE sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-STOCK_CNT sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-STOCK_DOCCAT sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-STOCK_DOCNO sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_OWNER_ROLE sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_OWNER sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_ENTITLED_ROLE sy-vline 
WA_/SCWM/S_EX_VAS_AUXPROD_STR-AX_ENTITLED sy-vline      INTO ld_text SEPARATED BY SPACE.

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