ABAP Select data from SAP table CPD_WS_S_ODATA_EMPLOYEE_DETAIL 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_ODATA_EMPLOYEE_DETAIL 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_ODATA_EMPLOYEE_DETAIL. 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_ODATA_EMPLOYEE_DETAIL 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_ODATA_EMPLOYEE_DETAIL TYPE STANDARD TABLE OF CPD_WS_S_ODATA_EMPLOYEE_DETAIL,
      WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL TYPE CPD_WS_S_ODATA_EMPLOYEE_DETAIL,
      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_ODATA_EMPLOYEE_DETAIL> TYPE CPD_WS_S_ODATA_EMPLOYEE_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPD_WS_S_ODATA_EMPLOYEE_DETAIL
*  INTO TABLE @DATA(IT_CPD_WS_S_ODATA_EMPLOYEE_DETAIL2).
*--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_ODATA_EMPLOYEE_DETAIL INDEX 1 INTO DATA(WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPD_WS_S_ODATA_EMPLOYEE_DETAIL>-EMPLOYEE = 1.
<CPD_WS_S_ODATA_EMPLOYEE_DETAIL>-PERSON_NUMBER = 1.
<CPD_WS_S_ODATA_EMPLOYEE_DETAIL>-PERSONEXTERNALID = 1.
<CPD_WS_S_ODATA_EMPLOYEE_DETAIL>-EMPLOYMENTINTERNALID = 1.
<CPD_WS_S_ODATA_EMPLOYEE_DETAIL>-LASTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-FIRSTNAME, sy-vline,
  WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-GIVENNAME, sy-vline,
  WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-MIDDLENAME, sy-vline,
  WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-FULLNAME, sy-vline,
  WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-EMAIL, sy-vline,
  WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-PHONENUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL 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_ODATA_EMPLOYEE_DETAIL 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_ODATA_EMPLOYEE_DETAIL INTO WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL.


*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 SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL-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_ODATA_EMPLOYEE_DETAIL_STR, 
EMPLOYEE TYPE STRING,
PERSON_NUMBER TYPE STRING,
PERSONEXTERNALID TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
LASTNAME TYPE STRING,
FIRSTNAME TYPE STRING,
GIVENNAME TYPE STRING,
MIDDLENAME TYPE STRING,
FULLNAME TYPE STRING,
EMAIL TYPE STRING,
PHONENUMBER TYPE STRING,
PHONE_NUMBER_EXTENSION TYPE STRING,
MOBILE_NUMBER TYPE STRING,
COMPANY_CODE TYPE STRING,
COMPANY_NAME TYPE STRING,
BUSINESS_UNIT_CODE TYPE STRING,
BUSINESS_UNIT_NAME TYPE STRING,
JOB TYPE STRING,
JOB_TITLE TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
GENDER TYPE STRING,
CONTENT_TYPE TYPE STRING,
EMPLOYEE_PHOTO TYPE STRING,
EMPLOYEE_IMAGE_URL TYPE STRING,
EMPLOYMENTID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_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_ODATA_EMPLOYEE_DETAIL_STR-EMPLOYEE sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-PERSON_NUMBER sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-PERSONEXTERNALID sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-EMPLOYMENTINTERNALID sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-LASTNAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-FIRSTNAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-GIVENNAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-MIDDLENAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-FULLNAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-EMAIL sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-PHONENUMBER sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-PHONE_NUMBER_EXTENSION sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-MOBILE_NUMBER sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-COMPANY_CODE sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-COMPANY_NAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-BUSINESS_UNIT_CODE sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-BUSINESS_UNIT_NAME sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-JOB sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-JOB_TITLE sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-CREATED_AT sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-CREATED_BY sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-CHANGED_AT sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-CHANGED_BY sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-GENDER sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-CONTENT_TYPE sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-EMPLOYEE_PHOTO sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-EMPLOYEE_IMAGE_URL sy-vline 
WA_CPD_WS_S_ODATA_EMPLOYEE_DETAIL_STR-EMPLOYMENTID sy-vline      INTO ld_text SEPARATED BY SPACE.

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