ABAP Select data from SAP table FCO_COST_ALLOCATION_CYCLES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCO_COST_ALLOCATION_CYCLES
*  INTO TABLE @DATA(IT_FCO_COST_ALLOCATION_CYCLES2).
*--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_FCO_COST_ALLOCATION_CYCLES INDEX 1 INTO DATA(WA_FCO_COST_ALLOCATION_CYCLES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCO_COST_ALLOCATION_CYCLES>-CONTROLLINGAREA = 1.
<FCO_COST_ALLOCATION_CYCLES>-COSTCENTER = 1.
<FCO_COST_ALLOCATION_CYCLES>-CONTEXT = 1.
<FCO_COST_ALLOCATION_CYCLES>-FINDIN = 1.
<FCO_COST_ALLOCATION_CYCLES>-ALLOCATIONCYCLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONTYPE, sy-vline,
  WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONCYCLESTARTDATE, sy-vline,
  WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONCYCLEENDDATE, sy-vline,
  WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONPOSTINGTYPE, sy-vline,
  WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONCYCLECATEGORY, sy-vline,
  WA_FCO_COST_ALLOCATION_CYCLES-LEDGER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCO_COST_ALLOCATION_CYCLES 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_FCO_COST_ALLOCATION_CYCLES 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_FCO_COST_ALLOCATION_CYCLES INTO WA_FCO_COST_ALLOCATION_CYCLES.


*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 COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCO_COST_ALLOCATION_CYCLES-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_COST_ALLOCATION_CYCLES-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALLOCATIONCYCLECATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONCYCLECATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_COST_ALLOCATION_CYCLES-ALLOCATIONCYCLECATEGORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCO_COST_ALLOCATION_CYCLES-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_COST_ALLOCATION_CYCLES-LEDGER.
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_FCO_COST_ALLOCATION_CYCLES_STR, 
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
CONTEXT TYPE STRING,
FINDIN TYPE STRING,
ALLOCATIONCYCLE TYPE STRING,
ALLOCATIONTYPE TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,
ALLOCATIONCYCLEENDDATE TYPE STRING,
ALLOCATIONPOSTINGTYPE TYPE STRING,
ALLOCATIONCYCLECATEGORY TYPE STRING,
LEDGER TYPE STRING,
ALLOCATIONSTATUS TYPE STRING,
ALLOCATIONACTUALPLANVARIANT TYPE STRING,
ALLOCATIONISPROCESSED TYPE STRING,
ALLOCATIONISCUMULATIVE TYPE STRING,
SEGMENTNAME TYPE STRING,
ALLOCATIONCYCLESEGMENT TYPE STRING,
ALLOCATIONCYCLENAMETEXT TYPE STRING,
ALLOCATIONSETTYPE TYPE STRING,
ALLOCATIONCYCLEKS TYPE STRING,
ALLOCATIONSETTYPETEXT TYPE STRING,
ALLOCATIONPOSTINGTYPETEXT TYPE STRING,
ALLOCACTUALPLANVARIANTTEXT TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ALLOCATIONLASTEXECUTEDDATE TYPE STRING,
ALLOCATIONLASTEXECUTEDBYUSER TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
PLANNINGCATEGORYNAME TYPE STRING,
ALLOCATIONSTATUSTXT TYPE STRING,
ALLOCATIONTYPETEXT TYPE STRING,
COSTCENTERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCO_COST_ALLOCATION_CYCLES_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_FCO_COST_ALLOCATION_CYCLES_STR-CONTROLLINGAREA sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-COSTCENTER sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-CONTEXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-FINDIN sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONTYPE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLESTARTDATE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLEENDDATE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONPOSTINGTYPE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLECATEGORY sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-LEDGER sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONSTATUS sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONACTUALPLANVARIANT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONISPROCESSED sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONISCUMULATIVE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-SEGMENTNAME sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLESEGMENT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLENAMETEXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONSETTYPE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONCYCLEKS sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONSETTYPETEXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONPOSTINGTYPETEXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCACTUALPLANVARIANTTEXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-LASTCHANGEDATE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-LASTCHANGEDBYUSER sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONLASTEXECUTEDDATE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONLASTEXECUTEDBYUSER sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-VALIDITYENDDATE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-VALIDITYSTARTDATE sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-PLANNINGCATEGORYNAME sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONSTATUSTXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-ALLOCATIONTYPETEXT sy-vline 
WA_FCO_COST_ALLOCATION_CYCLES_STR-COSTCENTERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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