ABAP Select data from SAP table /CPD/S_CRM_BAPI_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/S_CRM_BAPI_ITEM
*  INTO TABLE @DATA(IT_/CPD/S_CRM_BAPI_ITEM2).
*--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_/CPD/S_CRM_BAPI_ITEM INDEX 1 INTO DATA(WA_/CPD/S_CRM_BAPI_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/S_CRM_BAPI_ITEM>-HANDLE = 1.
</CPD/S_CRM_BAPI_ITEM>-GUID = 1.
</CPD/S_CRM_BAPI_ITEM>-CREATED_AT = 1.
</CPD/S_CRM_BAPI_ITEM>-CREATED_BY = 1.
</CPD/S_CRM_BAPI_ITEM>-CHANGED_AT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/S_CRM_BAPI_ITEM-CHANGED_BY, sy-vline,
  WA_/CPD/S_CRM_BAPI_ITEM-OBJECT_TYPE, sy-vline,
  WA_/CPD/S_CRM_BAPI_ITEM-DESCRIPTION_UC, sy-vline,
  WA_/CPD/S_CRM_BAPI_ITEM-HEADER, sy-vline,
  WA_/CPD/S_CRM_BAPI_ITEM-PARENT, sy-vline,
  WA_/CPD/S_CRM_BAPI_ITEM-ALTERNATIVE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/S_CRM_BAPI_ITEM 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_/CPD/S_CRM_BAPI_ITEM 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_/CPD/S_CRM_BAPI_ITEM INTO WA_/CPD/S_CRM_BAPI_ITEM.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/CPD/S_CRM_BAPI_ITEM_STR, 
HANDLE TYPE STRING,
GUID TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
OBJECT_TYPE TYPE STRING,
DESCRIPTION_UC TYPE STRING,
HEADER TYPE STRING,
PARENT TYPE STRING,
ALTERNATIVE TYPE STRING,
PRODUCT TYPE STRING,
ORDERED_PROD TYPE STRING,
PARTNER_PROD TYPE STRING,
DESCRIPTION TYPE STRING,
ITM_LANGUAGE TYPE STRING,
LANGU_ISO TYPE STRING,
NUMBER_INT TYPE STRING,
NUMBER_EXT TYPE STRING,
ITM_TYPE TYPE STRING,
ORDER_DATE TYPE STRING,
SUBST_REASON TYPE STRING,
ITM_USAGE TYPE STRING,
ITEM_CHANGED TYPE STRING,
PREDECESSOR_GUID TYPE STRING,
NUMBER_PARENT TYPE STRING,
NUMBER_ALTERN TYPE STRING,
PREVIOUS_HANDLE TYPE STRING,
PREVIOUS_GUID TYPE STRING,
ITM_TYPE_USAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/S_CRM_BAPI_ITEM_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_/CPD/S_CRM_BAPI_ITEM_STR-HANDLE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-GUID sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-CREATED_AT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-CREATED_BY sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-CHANGED_AT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-CHANGED_BY sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-OBJECT_TYPE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-DESCRIPTION_UC sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-HEADER sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-PARENT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ALTERNATIVE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-PRODUCT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ORDERED_PROD sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-PARTNER_PROD sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-DESCRIPTION sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ITM_LANGUAGE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-LANGU_ISO sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-NUMBER_INT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-NUMBER_EXT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ITM_TYPE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ORDER_DATE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-SUBST_REASON sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ITM_USAGE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ITEM_CHANGED sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-PREDECESSOR_GUID sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-NUMBER_PARENT sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-NUMBER_ALTERN sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-PREVIOUS_HANDLE sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-PREVIOUS_GUID sy-vline 
WA_/CPD/S_CRM_BAPI_ITEM_STR-ITM_TYPE_USAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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