ABAP Select data from SAP table /CPD/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_DETAIL TYPE STANDARD TABLE OF /CPD/S_SS_EGPROSERV_WBS_DETAIL,
      WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL TYPE /CPD/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_DETAIL> TYPE /CPD/S_SS_EGPROSERV_WBS_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/S_SS_EGPROSERV_WBS_DETAIL
*  INTO TABLE @DATA(IT_/CPD/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_DETAIL INDEX 1 INTO DATA(WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/S_SS_EGPROSERV_WBS_DETAIL>-WBS_ELEMENT = 1.
</CPD/S_SS_EGPROSERV_WBS_DETAIL>-DESCRIPTION = 1.
</CPD/S_SS_EGPROSERV_WBS_DETAIL>-WBS_INTERNAL_ID = 1.
</CPD/S_SS_EGPROSERV_WBS_DETAIL>-WBS_ACCOUNT_ASSIGNMENT_ELEMENT = 1.
</CPD/S_SS_EGPROSERV_WBS_DETAIL>-WBS_BILLING_ELEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-OBJNR, sy-vline,
  WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-RESP_COST_CENTER, sy-vline,
  WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-CONTROLLING_AREA, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_DETAIL INTO WA_/CPD/S_SS_EGPROSERV_WBS_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 ABPSN, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field WBS_INTERNAL_ID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-WBS_INTERNAL_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-WBS_INTERNAL_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RESP_COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-RESP_COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL-RESP_COST_CENTER.
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/S_SS_EGPROSERV_WBS_DETAIL_STR, 
WBS_ELEMENT TYPE STRING,
DESCRIPTION TYPE STRING,
WBS_INTERNAL_ID TYPE STRING,
WBS_ACCOUNT_ASSIGNMENT_ELEMENT TYPE STRING,
WBS_BILLING_ELEMENT TYPE STRING,
OBJNR TYPE STRING,
RESP_COST_CENTER TYPE STRING,
CONTROLLING_AREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/S_SS_EGPROSERV_WBS_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/S_SS_EGPROSERV_WBS_DETAIL_STR-WBS_ELEMENT sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-DESCRIPTION sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-WBS_INTERNAL_ID sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-WBS_ACCOUNT_ASSIGNMENT_ELEMENT sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-WBS_BILLING_ELEMENT sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-OBJNR sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-RESP_COST_CENTER sy-vline 
WA_/CPD/S_SS_EGPROSERV_WBS_DETAIL_STR-CONTROLLING_AREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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