ABAP Select data from SAP table CPD_WS_S_ACTION_ITEMS_LIST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPD_WS_S_ACTION_ITEMS_LIST 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_WS_S_ACTION_ITEMS_LIST. 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_WS_S_ACTION_ITEMS_LIST 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_WS_S_ACTION_ITEMS_LIST TYPE STANDARD TABLE OF CPD_WS_S_ACTION_ITEMS_LIST,
      WA_CPD_WS_S_ACTION_ITEMS_LIST TYPE CPD_WS_S_ACTION_ITEMS_LIST,
      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_WS_S_ACTION_ITEMS_LIST> TYPE CPD_WS_S_ACTION_ITEMS_LIST.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CPD_WS_S_ACTION_ITEMS_LIST
  INTO TABLE IT_CPD_WS_S_ACTION_ITEMS_LIST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPD_WS_S_ACTION_ITEMS_LIST
*  INTO TABLE @DATA(IT_CPD_WS_S_ACTION_ITEMS_LIST2).
*--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_WS_S_ACTION_ITEMS_LIST INDEX 1 INTO DATA(WA_CPD_WS_S_ACTION_ITEMS_LIST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CPD_WS_S_ACTION_ITEMS_LIST ASSIGNING <CPD_WS_S_ACTION_ITEMS_LIST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPD_WS_S_ACTION_ITEMS_LIST>-ACT_KEY = 1.
<CPD_WS_S_ACTION_ITEMS_LIST>-ACTIVITY_ID = 1.
<CPD_WS_S_ACTION_ITEMS_LIST>-CREATED_BY = 1.
<CPD_WS_S_ACTION_ITEMS_LIST>-CREATED_ON = 1.
<CPD_WS_S_ACTION_ITEMS_LIST>-ACTIVITY_STATUS = 1.

ENDLOOP.

LOOP AT IT_CPD_WS_S_ACTION_ITEMS_LIST INTO WA_CPD_WS_S_ACTION_ITEMS_LIST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPD_WS_S_ACTION_ITEMS_LIST-FIRST_NAME, sy-vline,
  WA_CPD_WS_S_ACTION_ITEMS_LIST-LAST_NAME, sy-vline,
  WA_CPD_WS_S_ACTION_ITEMS_LIST-MP_ID, sy-vline,
  WA_CPD_WS_S_ACTION_ITEMS_LIST-MP_DESC, sy-vline,
  WA_CPD_WS_S_ACTION_ITEMS_LIST-CUSTOMER_NAME, sy-vline,
  WA_CPD_WS_S_ACTION_ITEMS_LIST-ORG_DESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPD_WS_S_ACTION_ITEMS_LIST 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_WS_S_ACTION_ITEMS_LIST 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_WS_S_ACTION_ITEMS_LIST INTO WA_CPD_WS_S_ACTION_ITEMS_LIST.


*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 ACTIVITY_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPD_WS_S_ACTION_ITEMS_LIST-ACTIVITY_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPD_WS_S_ACTION_ITEMS_LIST-ACTIVITY_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CPD_WS_S_ACTION_ITEMS_LIST-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPD_WS_S_ACTION_ITEMS_LIST-EMAIL.
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_CPD_WS_S_ACTION_ITEMS_LIST_STR, 
ACT_KEY TYPE STRING,
ACTIVITY_ID TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
ACTIVITY_STATUS TYPE STRING,
FIRST_NAME TYPE STRING,
LAST_NAME TYPE STRING,
MP_ID TYPE STRING,
MP_DESC TYPE STRING,
CUSTOMER_NAME TYPE STRING,
ORG_DESC TYPE STRING,
OBJECT_ID TYPE STRING,
OBJECT_NAME TYPE STRING,
PROPOSED_DATE TYPE STRING,
TARGET_DATE TYPE STRING,
ACTUAL_DATE TYPE STRING,
STAT_CODE_IMG TYPE STRING,
REASON_CODE TYPE STRING,
ITEM_TEXT TYPE STRING,
DETAILED_DESC TYPE STRING,
RESPONSE_DESC TYPE STRING,
ACT_STATUS_DESC TYPE STRING,
ACT_REASON_CD_DESC TYPE STRING,
PRIORITY TYPE STRING,
PRIORITY_DESC TYPE STRING,
MOBILE_NO TYPE STRING,
TELEPHONE TYPE STRING,
EMAIL TYPE STRING,
IMG_URI TYPE STRING,
PARTY_ROLE_CODE TYPE STRING,
ROLE_CODE_DESC TYPE STRING,
EXTENDEDFIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPD_WS_S_ACTION_ITEMS_LIST_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_WS_S_ACTION_ITEMS_LIST_STR-ACT_KEY sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ACTIVITY_ID sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-CREATED_BY sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-CREATED_ON sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ACTIVITY_STATUS sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-FIRST_NAME sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-LAST_NAME sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-MP_ID sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-MP_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-CUSTOMER_NAME sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ORG_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-OBJECT_ID sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-OBJECT_NAME sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-PROPOSED_DATE sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-TARGET_DATE sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ACTUAL_DATE sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-STAT_CODE_IMG sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-REASON_CODE sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ITEM_TEXT sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-DETAILED_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-RESPONSE_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ACT_STATUS_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ACT_REASON_CD_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-PRIORITY sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-PRIORITY_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-MOBILE_NO sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-TELEPHONE sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-EMAIL sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-IMG_URI sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-PARTY_ROLE_CODE sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-ROLE_CODE_DESC sy-vline 
WA_CPD_WS_S_ACTION_ITEMS_LIST_STR-EXTENDEDFIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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