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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_CAP_ITEM_SPLIT
*  INTO TABLE @DATA(IT_/SCWM/S_CAP_ITEM_SPLIT2).
*--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_CAP_ITEM_SPLIT INDEX 1 INTO DATA(WA_/SCWM/S_CAP_ITEM_SPLIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_CAP_ITEM_SPLIT>-DOCCAT = 1.
</SCWM/S_CAP_ITEM_SPLIT>-DOCID = 1.
</SCWM/S_CAP_ITEM_SPLIT>-ITMID = 1.
</SCWM/S_CAP_ITEM_SPLIT>-SPLIT_ID = 1.
</SCWM/S_CAP_ITEM_SPLIT>-QTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_CAP_ITEM_SPLIT-UOM, sy-vline,
  WA_/SCWM/S_CAP_ITEM_SPLIT-WAVEFLG, sy-vline,
  WA_/SCWM/S_CAP_ITEM_SPLIT-STOTYPE, sy-vline,
  WA_/SCWM/S_CAP_ITEM_SPLIT-STOSEC, sy-vline,
  WA_/SCWM/S_CAP_ITEM_SPLIT-STOBIN, sy-vline,
  WA_/SCWM/S_CAP_ITEM_SPLIT-STOBINTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_CAP_ITEM_SPLIT 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_CAP_ITEM_SPLIT 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_CAP_ITEM_SPLIT INTO WA_/SCWM/S_CAP_ITEM_SPLIT.


*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 HUID, internal->external for field HUIDENT
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_CAP_ITEM_SPLIT-HUIDENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_CAP_ITEM_SPLIT-HUIDENT.
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_CAP_ITEM_SPLIT_STR, 
DOCCAT TYPE STRING,
DOCID TYPE STRING,
ITMID TYPE STRING,
SPLIT_ID TYPE STRING,
QTY TYPE STRING,
UOM TYPE STRING,
WAVEFLG TYPE STRING,
STOTYPE TYPE STRING,
STOSEC TYPE STRING,
STOBIN TYPE STRING,
STOBINTYPE TYPE STRING,
HUIDENT TYPE STRING,
AAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_CAP_ITEM_SPLIT_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_CAP_ITEM_SPLIT_STR-DOCCAT sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-DOCID sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-ITMID sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-SPLIT_ID sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-QTY sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-UOM sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-WAVEFLG sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-STOTYPE sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-STOSEC sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-STOBIN sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-STOBINTYPE sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-HUIDENT sy-vline 
WA_/SCWM/S_CAP_ITEM_SPLIT_STR-AAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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