ABAP Select data from SAP table IDCN_S_REP_ARR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCN_S_REP_ARR
*  INTO TABLE @DATA(IT_IDCN_S_REP_ARR2).
*--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_IDCN_S_REP_ARR INDEX 1 INTO DATA(WA_IDCN_S_REP_ARR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCN_S_REP_ARR>-KUNNR = 1.
<IDCN_S_REP_ARR>-BUKRS = 1.
<IDCN_S_REP_ARR>-AKONT = 1.
<IDCN_S_REP_ARR>-FISCPER = 1.
<IDCN_S_REP_ARR>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCN_S_REP_ARR-PERIO, sy-vline,
  WA_IDCN_S_REP_ARR-KTOPL, sy-vline,
  WA_IDCN_S_REP_ARR-FISCVAR, sy-vline,
  WA_IDCN_S_REP_ARR-CURTYPE, sy-vline,
  WA_IDCN_S_REP_ARR-CURRENCY, sy-vline,
  WA_IDCN_S_REP_ARR-UM01S, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCN_S_REP_ARR 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_IDCN_S_REP_ARR 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_IDCN_S_REP_ARR INTO WA_IDCN_S_REP_ARR.


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

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

*Conversion exit PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-FISCPER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC172, internal->external for field UM01S
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-UM01S
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-UM01S.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field UM01H
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-UM01H
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-UM01H.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field UM01K
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-UM01K
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-UM01K.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field UM01U
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-UM01U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-UM01U.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field BALANCE_TOL
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-BALANCE_TOL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-BALANCE_TOL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field YTD_DEBIT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-YTD_DEBIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-YTD_DEBIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field YTD_CREDIT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_IDCN_S_REP_ARR-YTD_CREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCN_S_REP_ARR-YTD_CREDIT.
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_IDCN_S_REP_ARR_STR, 
KUNNR TYPE STRING,
BUKRS TYPE STRING,
AKONT TYPE STRING,
FISCPER TYPE STRING,
GJAHR TYPE STRING,
PERIO TYPE STRING,
KTOPL TYPE STRING,
FISCVAR TYPE STRING,
CURTYPE TYPE STRING,
CURRENCY TYPE STRING,
UM01S TYPE STRING,
UM01H TYPE STRING,
UM01K TYPE STRING,
UM01U TYPE STRING,
BALANCE_TOL TYPE STRING,
DIRECT_TOL TYPE STRING,
YTD_DEBIT TYPE STRING,
YTD_CREDIT TYPE STRING,
PERIOD TYPE STRING,
CUSTOMER TYPE STRING,
SORTL TYPE STRING,
KTOKD TYPE STRING,
STCEG TYPE STRING,
ORT01 TYPE STRING,
DIS_FLAG TYPE STRING,
KOART TYPE STRING,
UMSKZ TYPE STRING,
INCLUDE_SGI TYPE STRING,
INCLUDE_SIM TYPE STRING,
SGI_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCN_S_REP_ARR_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_IDCN_S_REP_ARR_STR-KUNNR sy-vline 
WA_IDCN_S_REP_ARR_STR-BUKRS sy-vline 
WA_IDCN_S_REP_ARR_STR-AKONT sy-vline 
WA_IDCN_S_REP_ARR_STR-FISCPER sy-vline 
WA_IDCN_S_REP_ARR_STR-GJAHR sy-vline 
WA_IDCN_S_REP_ARR_STR-PERIO sy-vline 
WA_IDCN_S_REP_ARR_STR-KTOPL sy-vline 
WA_IDCN_S_REP_ARR_STR-FISCVAR sy-vline 
WA_IDCN_S_REP_ARR_STR-CURTYPE sy-vline 
WA_IDCN_S_REP_ARR_STR-CURRENCY sy-vline 
WA_IDCN_S_REP_ARR_STR-UM01S sy-vline 
WA_IDCN_S_REP_ARR_STR-UM01H sy-vline 
WA_IDCN_S_REP_ARR_STR-UM01K sy-vline 
WA_IDCN_S_REP_ARR_STR-UM01U sy-vline 
WA_IDCN_S_REP_ARR_STR-BALANCE_TOL sy-vline 
WA_IDCN_S_REP_ARR_STR-DIRECT_TOL sy-vline 
WA_IDCN_S_REP_ARR_STR-YTD_DEBIT sy-vline 
WA_IDCN_S_REP_ARR_STR-YTD_CREDIT sy-vline 
WA_IDCN_S_REP_ARR_STR-PERIOD sy-vline 
WA_IDCN_S_REP_ARR_STR-CUSTOMER sy-vline 
WA_IDCN_S_REP_ARR_STR-SORTL sy-vline 
WA_IDCN_S_REP_ARR_STR-KTOKD sy-vline 
WA_IDCN_S_REP_ARR_STR-STCEG sy-vline 
WA_IDCN_S_REP_ARR_STR-ORT01 sy-vline 
WA_IDCN_S_REP_ARR_STR-DIS_FLAG sy-vline 
WA_IDCN_S_REP_ARR_STR-KOART sy-vline 
WA_IDCN_S_REP_ARR_STR-UMSKZ sy-vline 
WA_IDCN_S_REP_ARR_STR-INCLUDE_SGI sy-vline 
WA_IDCN_S_REP_ARR_STR-INCLUDE_SIM sy-vline 
WA_IDCN_S_REP_ARR_STR-SGI_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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