ABAP Select data from SAP table IBKK_DI_RF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBKK_DI_RF
*  INTO TABLE @DATA(IT_IBKK_DI_RF2).
*--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_IBKK_DI_RF INDEX 1 INTO DATA(WA_IBKK_DI_RF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBKK_DI_RF>-REF_ACCATG = 1.
<IBKK_DI_RF>-CHIND_RF = 1.
<IBKK_DI_RF>-INT_POST_METH = 1.
<IBKK_DI_RF>-NBANKS = 1.
<IBKK_DI_RF>-NBANKL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBKK_DI_RF-NSWIFT, sy-vline,
  WA_IBKK_DI_RF-NACNUM, sy-vline,
  WA_IBKK_DI_RF-NBKS, sy-vline,
  WA_IBKK_DI_RF-NIBAN, sy-vline,
  WA_IBKK_DI_RF-NACHOLD, sy-vline,
  WA_IBKK_DI_RF-TRNSTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBKK_DI_RF 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_IBKK_DI_RF 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_IBKK_DI_RF INTO WA_IBKK_DI_RF.


*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 ACEXT, internal->external for field NACNUM
CALL FUNCTION 'CONVERSION_EXIT_ACEXT_OUTPUT'
  EXPORTING
    input =                      WA_IBKK_DI_RF-NACNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK_DI_RF-NACNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NIBAN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKK_DI_RF-NIBAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK_DI_RF-NIBAN.
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_IBKK_DI_RF_STR, 
REF_ACCATG TYPE STRING,
CHIND_RF TYPE STRING,
INT_POST_METH TYPE STRING,
NBANKS TYPE STRING,
NBANKL TYPE STRING,
NSWIFT TYPE STRING,
NACNUM TYPE STRING,
NBKS TYPE STRING,
NIBAN TYPE STRING,
NACHOLD TYPE STRING,
TRNSTYPE TYPE STRING,
TRNSTYPE2 TYPE STRING,
PAYMETHOD TYPE STRING,
XCHKDIG_R TYPE STRING,
MANDATE_ID TYPE STRING,
UCI TYPE STRING,
NBKKRS TYPE STRING,
ACC_CLOS_NOTE1 TYPE STRING,
ACC_CLOS_NOTE2 TYPE STRING,
ACC_CLOS_NOTE3 TYPE STRING,
ACC_CLOS_NOTE4 TYPE STRING,
PUBLIC_CONT_L1 TYPE STRING,
PUBLIC_CONT_L2 TYPE STRING,
PUBLIC_CONT_L3 TYPE STRING,
PUBLIC_CONT_L4 TYPE STRING,
PUBLIC_CONT_S1 TYPE STRING,
PUBLIC_CONT_S2 TYPE STRING,
RELEASE_STATUS TYPE STRING,
DECLINE_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBKK_DI_RF_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_IBKK_DI_RF_STR-REF_ACCATG sy-vline 
WA_IBKK_DI_RF_STR-CHIND_RF sy-vline 
WA_IBKK_DI_RF_STR-INT_POST_METH sy-vline 
WA_IBKK_DI_RF_STR-NBANKS sy-vline 
WA_IBKK_DI_RF_STR-NBANKL sy-vline 
WA_IBKK_DI_RF_STR-NSWIFT sy-vline 
WA_IBKK_DI_RF_STR-NACNUM sy-vline 
WA_IBKK_DI_RF_STR-NBKS sy-vline 
WA_IBKK_DI_RF_STR-NIBAN sy-vline 
WA_IBKK_DI_RF_STR-NACHOLD sy-vline 
WA_IBKK_DI_RF_STR-TRNSTYPE sy-vline 
WA_IBKK_DI_RF_STR-TRNSTYPE2 sy-vline 
WA_IBKK_DI_RF_STR-PAYMETHOD sy-vline 
WA_IBKK_DI_RF_STR-XCHKDIG_R sy-vline 
WA_IBKK_DI_RF_STR-MANDATE_ID sy-vline 
WA_IBKK_DI_RF_STR-UCI sy-vline 
WA_IBKK_DI_RF_STR-NBKKRS sy-vline 
WA_IBKK_DI_RF_STR-ACC_CLOS_NOTE1 sy-vline 
WA_IBKK_DI_RF_STR-ACC_CLOS_NOTE2 sy-vline 
WA_IBKK_DI_RF_STR-ACC_CLOS_NOTE3 sy-vline 
WA_IBKK_DI_RF_STR-ACC_CLOS_NOTE4 sy-vline 
WA_IBKK_DI_RF_STR-PUBLIC_CONT_L1 sy-vline 
WA_IBKK_DI_RF_STR-PUBLIC_CONT_L2 sy-vline 
WA_IBKK_DI_RF_STR-PUBLIC_CONT_L3 sy-vline 
WA_IBKK_DI_RF_STR-PUBLIC_CONT_L4 sy-vline 
WA_IBKK_DI_RF_STR-PUBLIC_CONT_S1 sy-vline 
WA_IBKK_DI_RF_STR-PUBLIC_CONT_S2 sy-vline 
WA_IBKK_DI_RF_STR-RELEASE_STATUS sy-vline 
WA_IBKK_DI_RF_STR-DECLINE_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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