ABAP Select data from SAP table /PLMB/S_RCP_CPA_BO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMB/S_RCP_CPA_BO 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 /PLMB/S_RCP_CPA_BO. 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 /PLMB/S_RCP_CPA_BO 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_/PLMB/S_RCP_CPA_BO TYPE STANDARD TABLE OF /PLMB/S_RCP_CPA_BO,
      WA_/PLMB/S_RCP_CPA_BO TYPE /PLMB/S_RCP_CPA_BO,
      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: </PLMB/S_RCP_CPA_BO> TYPE /PLMB/S_RCP_CPA_BO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_RCP_CPA_BO
*  INTO TABLE @DATA(IT_/PLMB/S_RCP_CPA_BO2).
*--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_/PLMB/S_RCP_CPA_BO INDEX 1 INTO DATA(WA_/PLMB/S_RCP_CPA_BO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_RCP_CPA_BO>-GUID = 1.
</PLMB/S_RCP_CPA_BO>-OBJTYPE = 1.
</PLMB/S_RCP_CPA_BO>-CALC_ID = 1.
</PLMB/S_RCP_CPA_BO>-ITEM_GUID = 1.
</PLMB/S_RCP_CPA_BO>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_RCP_CPA_BO-CHANGE_NUMBER, sy-vline,
  WA_/PLMB/S_RCP_CPA_BO-CHANGE_NUMBER_VAL_FROM, sy-vline,
  WA_/PLMB/S_RCP_CPA_BO-KEY_DATE, sy-vline,
  WA_/PLMB/S_RCP_CPA_BO-QUANTITY, sy-vline,
  WA_/PLMB/S_RCP_CPA_BO-UOM, sy-vline,
  WA_/PLMB/S_RCP_CPA_BO-RATING, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_RCP_CPA_BO 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_/PLMB/S_RCP_CPA_BO 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_/PLMB/S_RCP_CPA_BO INTO WA_/PLMB/S_RCP_CPA_BO.


*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 CHANGE_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_RCP_CPA_BO-CHANGE_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_RCP_CPA_BO-CHANGE_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_RCP_CPA_BO-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_RCP_CPA_BO-UOM.
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_/PLMB/S_RCP_CPA_BO_STR, 
GUID TYPE STRING,
OBJTYPE TYPE STRING,
CALC_ID TYPE STRING,
ITEM_GUID TYPE STRING,
PLANT TYPE STRING,
CHANGE_NUMBER TYPE STRING,
CHANGE_NUMBER_VAL_FROM TYPE STRING,
KEY_DATE TYPE STRING,
QUANTITY TYPE STRING,
UOM TYPE STRING,
RATING TYPE STRING,
RATING_DESC TYPE STRING,
VALIDITY_AREA TYPE STRING,
VALIDITY_AREA_DESC TYPE STRING,
COST_TYPE TYPE STRING,
COST_TYPE_DESC TYPE STRING,
CURRENCY TYPE STRING,
CHANGE_NUMBER_SELECTED TYPE STRING,
NOT_SAVE_RELEVANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_RCP_CPA_BO_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_/PLMB/S_RCP_CPA_BO_STR-GUID sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-OBJTYPE sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-CALC_ID sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-ITEM_GUID sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-PLANT sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-CHANGE_NUMBER sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-CHANGE_NUMBER_VAL_FROM sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-KEY_DATE sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-QUANTITY sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-UOM sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-RATING sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-RATING_DESC sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-VALIDITY_AREA sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-VALIDITY_AREA_DESC sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-COST_TYPE sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-COST_TYPE_DESC sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-CURRENCY sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-CHANGE_NUMBER_SELECTED sy-vline 
WA_/PLMB/S_RCP_CPA_BO_STR-NOT_SAVE_RELEVANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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