ABAP Select data from SAP table IACTYTSNDGCCTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IACTYTSNDGCCTR
*  INTO TABLE @DATA(IT_IACTYTSNDGCCTR2).
*--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_IACTYTSNDGCCTR INDEX 1 INTO DATA(WA_IACTYTSNDGCCTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IACTYTSNDGCCTR>-MANDT = 1.
<IACTYTSNDGCCTR>-FISCALYEAR = 1.
<IACTYTSNDGCCTR>-CONTROLLINGAREA = 1.
<IACTYTSNDGCCTR>-COSTCENTER = 1.
<IACTYTSNDGCCTR>-COSTCTRACTIVITYTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IACTYTSNDGCCTR-CONTROLLINGOBJECT, sy-vline,
  WA_IACTYTSNDGCCTR-FISCALYEARSTARTDATE, sy-vline,
  WA_IACTYTSNDGCCTR-FISCALYEARENDDATE, sy-vline,
  WA_IACTYTSNDGCCTR-VERSION, sy-vline,
  WA_IACTYTSNDGCCTR-PRICEALLOCATIONMETHOD, sy-vline,
  WA_IACTYTSNDGCCTR-ALLOCATIONCOSTELEMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IACTYTSNDGCCTR 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_IACTYTSNDGCCTR 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_IACTYTSNDGCCTR INTO WA_IACTYTSNDGCCTR.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ACTUALPRICEALLOCATIONMETHOD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IACTYTSNDGCCTR-ACTUALPRICEALLOCATIONMETHOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACTYTSNDGCCTR-ACTUALPRICEALLOCATIONMETHOD.
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_IACTYTSNDGCCTR_STR, 
MANDT TYPE STRING,
FISCALYEAR TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,
FISCALYEARSTARTDATE TYPE STRING,
FISCALYEARENDDATE TYPE STRING,
VERSION TYPE STRING,
PRICEALLOCATIONMETHOD TYPE STRING,
ALLOCATIONCOSTELEMENT TYPE STRING,
ACTLPOSTGCOSTCENTERACTYTYPECAT TYPE STRING,
COSTCOMPSWITCHINGSTRUCTURE TYPE STRING,
ACTUALPRICEALLOCATIONMETHOD TYPE STRING,
COSTCTRACTIVITYTYPECATEGORY TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
FISCALYEARVARIANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IACTYTSNDGCCTR_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_IACTYTSNDGCCTR_STR-MANDT sy-vline 
WA_IACTYTSNDGCCTR_STR-FISCALYEAR sy-vline 
WA_IACTYTSNDGCCTR_STR-CONTROLLINGAREA sy-vline 
WA_IACTYTSNDGCCTR_STR-COSTCENTER sy-vline 
WA_IACTYTSNDGCCTR_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_IACTYTSNDGCCTR_STR-CONTROLLINGOBJECT sy-vline 
WA_IACTYTSNDGCCTR_STR-FISCALYEARSTARTDATE sy-vline 
WA_IACTYTSNDGCCTR_STR-FISCALYEARENDDATE sy-vline 
WA_IACTYTSNDGCCTR_STR-VERSION sy-vline 
WA_IACTYTSNDGCCTR_STR-PRICEALLOCATIONMETHOD sy-vline 
WA_IACTYTSNDGCCTR_STR-ALLOCATIONCOSTELEMENT sy-vline 
WA_IACTYTSNDGCCTR_STR-ACTLPOSTGCOSTCENTERACTYTYPECAT sy-vline 
WA_IACTYTSNDGCCTR_STR-COSTCOMPSWITCHINGSTRUCTURE sy-vline 
WA_IACTYTSNDGCCTR_STR-ACTUALPRICEALLOCATIONMETHOD sy-vline 
WA_IACTYTSNDGCCTR_STR-COSTCTRACTIVITYTYPECATEGORY sy-vline 
WA_IACTYTSNDGCCTR_STR-CHARTOFACCOUNTS sy-vline 
WA_IACTYTSNDGCCTR_STR-FISCALYEARVARIANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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