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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/SC_S_RESOURCES_OUTPUT
*  INTO TABLE @DATA(IT_/CPD/SC_S_RESOURCES_OUTPUT2).
*--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/SC_S_RESOURCES_OUTPUT INDEX 1 INTO DATA(WA_/CPD/SC_S_RESOURCES_OUTPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/SC_S_RESOURCES_OUTPUT>-DB_KEY = 1.
</CPD/SC_S_RESOURCES_OUTPUT>-EMP_ID = 1.
</CPD/SC_S_RESOURCES_OUTPUT>-FIRSTNAME = 1.
</CPD/SC_S_RESOURCES_OUTPUT>-LASTNAME = 1.
</CPD/SC_S_RESOURCES_OUTPUT>-CITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/SC_S_RESOURCES_OUTPUT-POSTALCODE, sy-vline,
  WA_/CPD/SC_S_RESOURCES_OUTPUT-REGION, sy-vline,
  WA_/CPD/SC_S_RESOURCES_OUTPUT-HOUSENO, sy-vline,
  WA_/CPD/SC_S_RESOURCES_OUTPUT-MOBILE, sy-vline,
  WA_/CPD/SC_S_RESOURCES_OUTPUT-WORKPHONE, sy-vline,
  WA_/CPD/SC_S_RESOURCES_OUTPUT-EMAILID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/SC_S_RESOURCES_OUTPUT 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/SC_S_RESOURCES_OUTPUT 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/SC_S_RESOURCES_OUTPUT INTO WA_/CPD/SC_S_RESOURCES_OUTPUT.


*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 EMP_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/SC_S_RESOURCES_OUTPUT-EMP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/SC_S_RESOURCES_OUTPUT-EMP_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/SC_S_RESOURCES_OUTPUT-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/SC_S_RESOURCES_OUTPUT-UNIT.
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/SC_S_RESOURCES_OUTPUT_STR, 
DB_KEY TYPE STRING,
EMP_ID TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
CITY TYPE STRING,
POSTALCODE TYPE STRING,
REGION TYPE STRING,
HOUSENO TYPE STRING,
MOBILE TYPE STRING,
WORKPHONE TYPE STRING,
EMAILID TYPE STRING,
COMPNAME TYPE STRING,
WORKPACKAGEKEY TYPE STRING,
PARENTPROJKEY TYPE STRING,
ROLE TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
PLANNEDCOST TYPE STRING,
ACTUALCOST TYPE STRING,
CURRENCY TYPE STRING,
UNIT TYPE STRING,
PLANNEDEFFORT TYPE STRING,
ACTUALEFFORT TYPE STRING,
EFFORT_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/SC_S_RESOURCES_OUTPUT_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/SC_S_RESOURCES_OUTPUT_STR-DB_KEY sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-EMP_ID sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-FIRSTNAME sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-LASTNAME sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-CITY sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-POSTALCODE sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-REGION sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-HOUSENO sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-MOBILE sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-WORKPHONE sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-EMAILID sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-COMPNAME sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-WORKPACKAGEKEY sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-PARENTPROJKEY sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-ROLE sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-START_DATE sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-END_DATE sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-PLANNEDCOST sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-ACTUALCOST sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-CURRENCY sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-UNIT sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-PLANNEDEFFORT sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-ACTUALEFFORT sy-vline 
WA_/CPD/SC_S_RESOURCES_OUTPUT_STR-EFFORT_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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