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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/S_PFP_PS
*  INTO TABLE @DATA(IT_/CPD/S_PFP_PS2).
*--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_PFP_PS INDEX 1 INTO DATA(WA_/CPD/S_PFP_PS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/S_PFP_PS>-INDX = 1.
</CPD/S_PFP_PS>-MANDT = 1.
</CPD/S_PFP_PS>-DB_KEY = 1.
</CPD/S_PFP_PS>-PARENT_KEY = 1.
</CPD/S_PFP_PS>-PLAN_ITEM_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/S_PFP_PS-PLAN_ITEM_NAME, sy-vline,
  WA_/CPD/S_PFP_PS-OBJECT_TYPE, sy-vline,
  WA_/CPD/S_PFP_PS-TREE_PARENT_KEY, sy-vline,
  WA_/CPD/S_PFP_PS-IS_DELETED, sy-vline,
  WA_/CPD/S_PFP_PS-IS_LEAF, sy-vline,
  WA_/CPD/S_PFP_PS-EXPANDED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/S_PFP_PS 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_PFP_PS 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_PFP_PS INTO WA_/CPD/S_PFP_PS.


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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_PFP_PS-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_PFP_PS-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/S_PFP_PS-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/S_PFP_PS-CHANGED_ON.
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_PFP_PS_STR, 
INDX TYPE STRING,
MANDT TYPE STRING,
DB_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
PLAN_ITEM_ID TYPE STRING,
PLAN_ITEM_NAME TYPE STRING,
OBJECT_TYPE TYPE STRING,
TREE_PARENT_KEY TYPE STRING,
IS_DELETED TYPE STRING,
IS_LEAF TYPE STRING,
EXPANDED TYPE STRING,
CHILDREN_LOADED TYPE STRING,
MAPPED_ITEM_ID TYPE STRING,
MAPPED_ITEM_DESC TYPE STRING,
NODE_ID TYPE STRING,
T_LEVEL TYPE STRING,
PARENT_ID TYPE STRING,
CHILD_ID TYPE STRING,
NEXT_ID TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
SO_ITEM_ID TYPE STRING,
SALES_ORDER_HDR TYPE STRING,
PLAN_ITEM_BILL_TYP TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
/CPD/DUMMY_INCL_EEW_PS TYPE STRING,
REF_OBJECT_GUID TYPE STRING,
PLAN_ITEM_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/S_PFP_PS_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_PFP_PS_STR-INDX sy-vline 
WA_/CPD/S_PFP_PS_STR-MANDT sy-vline 
WA_/CPD/S_PFP_PS_STR-DB_KEY sy-vline 
WA_/CPD/S_PFP_PS_STR-PARENT_KEY sy-vline 
WA_/CPD/S_PFP_PS_STR-PLAN_ITEM_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-PLAN_ITEM_NAME sy-vline 
WA_/CPD/S_PFP_PS_STR-OBJECT_TYPE sy-vline 
WA_/CPD/S_PFP_PS_STR-TREE_PARENT_KEY sy-vline 
WA_/CPD/S_PFP_PS_STR-IS_DELETED sy-vline 
WA_/CPD/S_PFP_PS_STR-IS_LEAF sy-vline 
WA_/CPD/S_PFP_PS_STR-EXPANDED sy-vline 
WA_/CPD/S_PFP_PS_STR-CHILDREN_LOADED sy-vline 
WA_/CPD/S_PFP_PS_STR-MAPPED_ITEM_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-MAPPED_ITEM_DESC sy-vline 
WA_/CPD/S_PFP_PS_STR-NODE_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-T_LEVEL sy-vline 
WA_/CPD/S_PFP_PS_STR-PARENT_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-CHILD_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-NEXT_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-START_DATE sy-vline 
WA_/CPD/S_PFP_PS_STR-END_DATE sy-vline 
WA_/CPD/S_PFP_PS_STR-SO_ITEM_ID sy-vline 
WA_/CPD/S_PFP_PS_STR-SALES_ORDER_HDR sy-vline 
WA_/CPD/S_PFP_PS_STR-PLAN_ITEM_BILL_TYP sy-vline 
WA_/CPD/S_PFP_PS_STR-CREATED_BY sy-vline 
WA_/CPD/S_PFP_PS_STR-CREATED_ON sy-vline 
WA_/CPD/S_PFP_PS_STR-CHANGED_BY sy-vline 
WA_/CPD/S_PFP_PS_STR-CHANGED_ON sy-vline 
WA_/CPD/S_PFP_PS_STR-/CPD/DUMMY_INCL_EEW_PS sy-vline 
WA_/CPD/S_PFP_PS_STR-REF_OBJECT_GUID sy-vline 
WA_/CPD/S_PFP_PS_STR-PLAN_ITEM_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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