ABAP Select data from SAP table /SCWM/S_BAPI_GM_STOCK_ID 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_BAPI_GM_STOCK_ID 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_BAPI_GM_STOCK_ID. 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_BAPI_GM_STOCK_ID 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_BAPI_GM_STOCK_ID TYPE STANDARD TABLE OF /SCWM/S_BAPI_GM_STOCK_ID,
      WA_/SCWM/S_BAPI_GM_STOCK_ID TYPE /SCWM/S_BAPI_GM_STOCK_ID,
      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_BAPI_GM_STOCK_ID> TYPE /SCWM/S_BAPI_GM_STOCK_ID.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_BAPI_GM_STOCK_ID
*  INTO TABLE @DATA(IT_/SCWM/S_BAPI_GM_STOCK_ID2).
*--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_BAPI_GM_STOCK_ID INDEX 1 INTO DATA(WA_/SCWM/S_BAPI_GM_STOCK_ID2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_BAPI_GM_STOCK_ID>-MATERIAL = 1.
</SCWM/S_BAPI_GM_STOCK_ID>-PLANT = 1.
</SCWM/S_BAPI_GM_STOCK_ID>-STGE_LOC = 1.
</SCWM/S_BAPI_GM_STOCK_ID>-BATCH = 1.
</SCWM/S_BAPI_GM_STOCK_ID>-STCK_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_BAPI_GM_STOCK_ID-SPEC_STOCK, sy-vline,
  WA_/SCWM/S_BAPI_GM_STOCK_ID-VENDOR, sy-vline,
  WA_/SCWM/S_BAPI_GM_STOCK_ID-CUSTOMER, sy-vline,
  WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_SALES_ORD, sy-vline,
  WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_S_ORD_ITEM, sy-vline,
  WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_WBS_ELEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_BAPI_GM_STOCK_ID 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_BAPI_GM_STOCK_ID 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_BAPI_GM_STOCK_ID INTO WA_/SCWM/S_BAPI_GM_STOCK_ID.


*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 MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_BAPI_GM_STOCK_ID-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_BAPI_GM_STOCK_ID-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ABPSN, internal->external for field VAL_WBS_ELEM
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_WBS_ELEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_WBS_ELEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field EAN_UPC
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_BAPI_GM_STOCK_ID-EAN_UPC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_BAPI_GM_STOCK_ID-EAN_UPC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field VAL_WBS_ELEM_INT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_WBS_ELEM_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_BAPI_GM_STOCK_ID-VAL_WBS_ELEM_INT.
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_BAPI_GM_STOCK_ID_STR, 
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STGE_LOC TYPE STRING,
BATCH TYPE STRING,
STCK_TYPE TYPE STRING,
SPEC_STOCK TYPE STRING,
VENDOR TYPE STRING,
CUSTOMER TYPE STRING,
VAL_SALES_ORD TYPE STRING,
VAL_S_ORD_ITEM TYPE STRING,
VAL_WBS_ELEM TYPE STRING,
EAN_UPC TYPE STRING,
VAL_TYPE TYPE STRING,
VAL_WBS_ELEM_INT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_BAPI_GM_STOCK_ID_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_BAPI_GM_STOCK_ID_STR-MATERIAL sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-PLANT sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-STGE_LOC sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-BATCH sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-STCK_TYPE sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-SPEC_STOCK sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-VENDOR sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-CUSTOMER sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-VAL_SALES_ORD sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-VAL_S_ORD_ITEM sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-VAL_WBS_ELEM sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-EAN_UPC sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-VAL_TYPE sy-vline 
WA_/SCWM/S_BAPI_GM_STOCK_ID_STR-VAL_WBS_ELEM_INT sy-vline      INTO ld_text SEPARATED BY SPACE.

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