ABAP Select data from SAP table FKC_CABILLING_PLAN_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKC_CABILLING_PLAN_ITEM 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 FKC_CABILLING_PLAN_ITEM. 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 FKC_CABILLING_PLAN_ITEM 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_FKC_CABILLING_PLAN_ITEM TYPE STANDARD TABLE OF FKC_CABILLING_PLAN_ITEM,
      WA_FKC_CABILLING_PLAN_ITEM TYPE FKC_CABILLING_PLAN_ITEM,
      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: <FKC_CABILLING_PLAN_ITEM> TYPE FKC_CABILLING_PLAN_ITEM.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKC_CABILLING_PLAN_ITEM
  INTO TABLE IT_FKC_CABILLING_PLAN_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKC_CABILLING_PLAN_ITEM
*  INTO TABLE @DATA(IT_FKC_CABILLING_PLAN_ITEM2).
*--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_FKC_CABILLING_PLAN_ITEM INDEX 1 INTO DATA(WA_FKC_CABILLING_PLAN_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKC_CABILLING_PLAN_ITEM ASSIGNING <FKC_CABILLING_PLAN_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKC_CABILLING_PLAN_ITEM>-CONTROLLER = 1.
<FKC_CABILLING_PLAN_ITEM>-CABILLG_PLN_ITM_TYPE = 1.
<FKC_CABILLING_PLAN_ITEM>-CABILLG_PLN_ITM_TXT = 1.
<FKC_CABILLING_PLAN_ITEM>-CABILLG_PLN_ITEM_EXT_REF = 1.
<FKC_CABILLING_PLAN_ITEM>-CABILLG_PLN_ITEM_AMOUNT = 1.

ENDLOOP.

LOOP AT IT_FKC_CABILLING_PLAN_ITEM INTO WA_FKC_CABILLING_PLAN_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKC_CABILLING_PLAN_ITEM-CONTROLLER, sy-vline,
  WA_FKC_CABILLING_PLAN_ITEM-CURRENCY_CODE, sy-vline,
  WA_FKC_CABILLING_PLAN_ITEM-CONTENT, sy-vline,
  WA_FKC_CABILLING_PLAN_ITEM-IS_TAX_INCLUDED, sy-vline,
  WA_FKC_CABILLING_PLAN_ITEM-CABILLG_PLN_ITEM_QUANTITY, sy-vline,
  WA_FKC_CABILLING_PLAN_ITEM-CONTROLLER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKC_CABILLING_PLAN_ITEM 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_FKC_CABILLING_PLAN_ITEM 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_FKC_CABILLING_PLAN_ITEM INTO WA_FKC_CABILLING_PLAN_ITEM.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FKC_CABILLING_PLAN_ITEM_STR, 
CONTROLLER TYPE STRING,
CABILLG_PLN_ITM_TYPE TYPE STRING,
CABILLG_PLN_ITM_TXT TYPE STRING,
CABILLG_PLN_ITEM_EXT_REF TYPE STRING,
CABILLG_PLN_ITEM_AMOUNT TYPE STRING,
CONTROLLER TYPE STRING,
CURRENCY_CODE TYPE STRING,
CONTENT TYPE STRING,
IS_TAX_INCLUDED TYPE STRING,
CABILLG_PLN_ITEM_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
CONTENT TYPE STRING,
CATAX_DETERMINATION_CODE TYPE STRING,
TAX_CODE TYPE STRING,
CABILLG_PLN_ITEM_VALID_FROM TYPE STRING,
DIVISION TYPE STRING,
COMPANY_CODE TYPE STRING,
SEGMENT TYPE STRING,
SALES_ORGANISATION TYPE STRING,
DISTRIBUTION_CHANNEL_CODE TYPE STRING,
PRODUCT TYPE STRING,
CABILLG_PLN_ITEM_TERM_START_DA TYPE STRING,
CABILLG_PLN_ITEM_TERM_END_DATE TYPE STRING,
CAMAIN_TRANSACTION TYPE STRING,
CASUB_TRANSACTION TYPE STRING,
CAACCOUNT_DETERMINATION_CODE TYPE STRING,
CAINVCG_OFFSETTING_ACTION TYPE STRING,
CAINVCG_OFFSETTING_CATEGORY TYPE STRING,
CAINVCG_OFFSETTING_PROCEDURE TYPE STRING,
CAINVCG_OFFSETTING_REF_KEY TYPE STRING,
CABILLG_PLN_ITEM_SERVICE_TYPE TYPE STRING,
CABILLG_PLN_ITM_AMNT_DETN_CODE TYPE STRING,
CABILLG_PLN_ITM_AMNT_DATE_CODE TYPE STRING,
CABILLG_PLN_ITM_PRCE_DATE_CODE TYPE STRING,
CABILLING_PLAN_ITEM_LOCK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKC_CABILLING_PLAN_ITEM_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_FKC_CABILLING_PLAN_ITEM_STR-CONTROLLER sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITM_TYPE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITM_TXT sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_EXT_REF sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_AMOUNT sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CONTROLLER sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CURRENCY_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CONTENT sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-IS_TAX_INCLUDED sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_QUANTITY sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CONTROLLER sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-UNIT_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CONTENT sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CATAX_DETERMINATION_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-TAX_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_VALID_FROM sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-DIVISION sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-COMPANY_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-SEGMENT sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-SALES_ORGANISATION sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-DISTRIBUTION_CHANNEL_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-PRODUCT sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_TERM_START_DA sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_TERM_END_DATE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CAMAIN_TRANSACTION sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CASUB_TRANSACTION sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CAACCOUNT_DETERMINATION_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CAINVCG_OFFSETTING_ACTION sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CAINVCG_OFFSETTING_CATEGORY sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CAINVCG_OFFSETTING_PROCEDURE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CAINVCG_OFFSETTING_REF_KEY sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITEM_SERVICE_TYPE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITM_AMNT_DETN_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITM_AMNT_DATE_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLG_PLN_ITM_PRCE_DATE_CODE sy-vline 
WA_FKC_CABILLING_PLAN_ITEM_STR-CABILLING_PLAN_ITEM_LOCK sy-vline      INTO ld_text SEPARATED BY SPACE.

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