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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/S_SC_CUSTPROJWP
*  INTO TABLE @DATA(IT_/CPD/S_SC_CUSTPROJWP2).
*--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_SC_CUSTPROJWP INDEX 1 INTO DATA(WA_/CPD/S_SC_CUSTPROJWP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/S_SC_CUSTPROJWP>-CUSTOMERPROJECTUUID = 1.
</CPD/S_SC_CUSTPROJWP>-CUSTOMERPROJECT = 1.
</CPD/S_SC_CUSTPROJWP>-CUSTPROJWORKPACKAGEUUID = 1.
</CPD/S_SC_CUSTPROJWP>-CUSTPROJWORKPACKAGENAME = 1.
</CPD/S_SC_CUSTPROJWP>-CUSTOMERPROJECTWORKPACKAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/S_SC_CUSTPROJWP-CUSTPROJWORKPACKAGESTARTDATE, sy-vline,
  WA_/CPD/S_SC_CUSTPROJWP-CUSTPROJWORKPACKAGEENDDATE, sy-vline,
  WA_/CPD/S_SC_CUSTPROJWP-CURRENCY, sy-vline,
  WA_/CPD/S_SC_CUSTPROJWP-CUSTPROJWRKPCKGPLANCOST, sy-vline,
  WA_/CPD/S_SC_CUSTPROJWP-ACTUALCOST, sy-vline,
  WA_/CPD/S_SC_CUSTPROJWP-CUSTPROJWRKPCKGACTLEFFORTQTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/S_SC_CUSTPROJWP 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_SC_CUSTPROJWP 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_SC_CUSTPROJWP INTO WA_/CPD/S_SC_CUSTPROJWP.


*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 CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SC_CUSTPROJWP-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SC_CUSTPROJWP-UNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WORKPACKAGEUNITUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_SC_CUSTPROJWP-WORKPACKAGEUNITUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_SC_CUSTPROJWP-WORKPACKAGEUNITUOM.
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_SC_CUSTPROJWP_STR, 
CUSTOMERPROJECTUUID TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
CUSTPROJWORKPACKAGEUUID TYPE STRING,
CUSTPROJWORKPACKAGENAME TYPE STRING,
CUSTOMERPROJECTWORKPACKAGE TYPE STRING,
CUSTPROJWORKPACKAGESTARTDATE TYPE STRING,
CUSTPROJWORKPACKAGEENDDATE TYPE STRING,
CURRENCY TYPE STRING,
CUSTPROJWRKPCKGPLANCOST TYPE STRING,
ACTUALCOST TYPE STRING,
CUSTPROJWRKPCKGACTLEFFORTQTY TYPE STRING,
UNITOFMEASURE TYPE STRING,
CUSTPROJWRKPCKGPLANEFFORTQTY TYPE STRING,
CUSTPROJWRKPCKGTYPE TYPE STRING,
WORKPACKAGEUNITTEXT TYPE STRING,
PLANNEDUNITQTY TYPE STRING,
ACTUALUNITQTY TYPE STRING,
REMAININGUNITQTY TYPE STRING,
WORKPACKAGEUNITUOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/S_SC_CUSTPROJWP_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_SC_CUSTPROJWP_STR-CUSTOMERPROJECTUUID sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTOMERPROJECT sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWORKPACKAGEUUID sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWORKPACKAGENAME sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTOMERPROJECTWORKPACKAGE sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWORKPACKAGESTARTDATE sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWORKPACKAGEENDDATE sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CURRENCY sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWRKPCKGPLANCOST sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-ACTUALCOST sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWRKPCKGACTLEFFORTQTY sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-UNITOFMEASURE sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWRKPCKGPLANEFFORTQTY sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-CUSTPROJWRKPCKGTYPE sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-WORKPACKAGEUNITTEXT sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-PLANNEDUNITQTY sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-ACTUALUNITQTY sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-REMAININGUNITQTY sy-vline 
WA_/CPD/S_SC_CUSTPROJWP_STR-WORKPACKAGEUNITUOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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