ABAP Select data from SAP table FCO_COST_ACTIVITY_TYPE 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_ACTIVITY_TYPE 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_ACTIVITY_TYPE. 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_ACTIVITY_TYPE 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_ACTIVITY_TYPE TYPE STANDARD TABLE OF FCO_COST_ACTIVITY_TYPE,
      WA_FCO_COST_ACTIVITY_TYPE TYPE FCO_COST_ACTIVITY_TYPE,
      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_ACTIVITY_TYPE> TYPE FCO_COST_ACTIVITY_TYPE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCO_COST_ACTIVITY_TYPE
*  INTO TABLE @DATA(IT_FCO_COST_ACTIVITY_TYPE2).
*--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_ACTIVITY_TYPE INDEX 1 INTO DATA(WA_FCO_COST_ACTIVITY_TYPE2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCO_COST_ACTIVITY_TYPE-FISCALYEAR, sy-vline,
  WA_FCO_COST_ACTIVITY_TYPE-VERSION, sy-vline,
  WA_FCO_COST_ACTIVITY_TYPE-ACTIVITYNAME, sy-vline,
  WA_FCO_COST_ACTIVITY_TYPE-VALIDITYENDDATE, sy-vline,
  WA_FCO_COST_ACTIVITY_TYPE-VALIDITYSTARTDATE, sy-vline,
  WA_FCO_COST_ACTIVITY_TYPE-ACTIVITYUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCO_COST_ACTIVITY_TYPE 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_ACTIVITY_TYPE 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_ACTIVITY_TYPE INTO WA_FCO_COST_ACTIVITY_TYPE.


*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_ACTIVITY_TYPE-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_COST_ACTIVITY_TYPE-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCO_COST_ACTIVITY_TYPE-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_COST_ACTIVITY_TYPE-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field ACTUALPRICEINDICATOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCO_COST_ACTIVITY_TYPE-ACTUALPRICEINDICATOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCO_COST_ACTIVITY_TYPE-ACTUALPRICEINDICATOR.
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_ACTIVITY_TYPE_STR, 
CONTEXT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
FINDIN TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
FISCALYEAR TYPE STRING,
VERSION TYPE STRING,
ACTIVITYNAME TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
ACTIVITYUNIT TYPE STRING,
ALLOCCOSTELEM TYPE STRING,
ACTTYPECATEGORY TYPE STRING,
LOCKINDICATOR TYPE STRING,
ACTIVITYDESC TYPE STRING,
PRICEINDICATOR TYPE STRING,
ACTUALQTYSET TYPE STRING,
AVERAGEPRICE TYPE STRING,
PLANQUANTITYSET TYPE STRING,
PREDISTRIBFIXEDCOST TYPE STRING,
ACTACTIVITYTYPECAT TYPE STRING,
ACTUALPRICEINDICATOR TYPE STRING,
OUTPUTUNIT TYPE STRING,
OUTPUTFACTOR TYPE STRING,
CCVALIDITYENDDATE TYPE STRING,
CCVALIDITYSTARTDATE TYPE STRING,
ACTTYPECATEGORYTEXT TYPE STRING,
ACTACTIVITYTYPECATTEXT TYPE STRING,
COSTCENTERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCO_COST_ACTIVITY_TYPE_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_ACTIVITY_TYPE_STR-CONTEXT sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-CONTROLLINGAREA sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-COSTCENTER sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-FINDIN sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-FISCALYEAR sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-VERSION sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTIVITYNAME sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-VALIDITYENDDATE sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-VALIDITYSTARTDATE sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTIVITYUNIT sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ALLOCCOSTELEM sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTTYPECATEGORY sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-LOCKINDICATOR sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTIVITYDESC sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-PRICEINDICATOR sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTUALQTYSET sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-AVERAGEPRICE sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-PLANQUANTITYSET sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-PREDISTRIBFIXEDCOST sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTACTIVITYTYPECAT sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTUALPRICEINDICATOR sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-OUTPUTUNIT sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-OUTPUTFACTOR sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-CCVALIDITYENDDATE sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-CCVALIDITYSTARTDATE sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTTYPECATEGORYTEXT sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_STR-ACTACTIVITYTYPECATTEXT sy-vline 
WA_FCO_COST_ACTIVITY_TYPE_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.