ABAP Select data from SAP table IBKK43CLOS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IBKK43CLOS 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 IBKK43CLOS. 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 IBKK43CLOS 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_IBKK43CLOS TYPE STANDARD TABLE OF IBKK43CLOS,
      WA_IBKK43CLOS TYPE IBKK43CLOS,
      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: <IBKK43CLOS> TYPE IBKK43CLOS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IBKK43CLOS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IBKK43CLOS
  INTO TABLE IT_IBKK43CLOS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBKK43CLOS
*  INTO TABLE @DATA(IT_IBKK43CLOS2).
*--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_IBKK43CLOS INDEX 1 INTO DATA(WA_IBKK43CLOS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IBKK43CLOS ASSIGNING <IBKK43CLOS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBKK43CLOS>-REF_ACCATG = 1.
<IBKK43CLOS>-RVALIDTO = 1.
<IBKK43CLOS>-RVALIDFROM = 1.
<IBKK43CLOS>-NBKKRS = 1.
<IBKK43CLOS>-NACNUM_INT = 1.

ENDLOOP.

LOOP AT IT_IBKK43CLOS INTO WA_IBKK43CLOS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBKK43CLOS-NBANKS, sy-vline,
  WA_IBKK43CLOS-T_NBANKS, sy-vline,
  WA_IBKK43CLOS-NBANKL, sy-vline,
  WA_IBKK43CLOS-T_NBANKL, sy-vline,
  WA_IBKK43CLOS-NACNUM, sy-vline,
  WA_IBKK43CLOS-NIBAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBKK43CLOS 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_IBKK43CLOS 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_IBKK43CLOS INTO WA_IBKK43CLOS.


*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 NACNUM_INT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKK43CLOS-NACNUM_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK43CLOS-NACNUM_INT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ACEXT, internal->external for field NACNUM
CALL FUNCTION 'CONVERSION_EXIT_ACEXT_OUTPUT'
  EXPORTING
    input =                      WA_IBKK43CLOS-NACNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK43CLOS-NACNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NIBAN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKK43CLOS-NIBAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK43CLOS-NIBAN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ACEXT, internal->external for field DACNUM
CALL FUNCTION 'CONVERSION_EXIT_ACEXT_OUTPUT'
  EXPORTING
    input =                      WA_IBKK43CLOS-DACNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK43CLOS-DACNUM.
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_IBKK43CLOS_STR, 
REF_ACCATG TYPE STRING,
RVALIDTO TYPE STRING,
RVALIDFROM TYPE STRING,
NBKKRS TYPE STRING,
NACNUM_INT TYPE STRING,
NBANKS TYPE STRING,
T_NBANKS TYPE STRING,
NBANKL TYPE STRING,
T_NBANKL TYPE STRING,
NACNUM TYPE STRING,
NIBAN TYPE STRING,
NACHOLD TYPE STRING,
NSWIFT TYPE STRING,
TRNSTYPE TYPE STRING,
T_TRNSTYPE TYPE STRING,
TRNSTYPE2 TYPE STRING,
T_TRNSTYPE2 TYPE STRING,
PAYMETHOD TYPE STRING,
T_MEDIUM TYPE STRING,
DBANKS TYPE STRING,
T_DBANKS TYPE STRING,
DBANKL TYPE STRING,
T_DBANKL TYPE STRING,
DACNUM TYPE STRING,
XCHKDIG_R TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBKK43CLOS_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_IBKK43CLOS_STR-REF_ACCATG sy-vline 
WA_IBKK43CLOS_STR-RVALIDTO sy-vline 
WA_IBKK43CLOS_STR-RVALIDFROM sy-vline 
WA_IBKK43CLOS_STR-NBKKRS sy-vline 
WA_IBKK43CLOS_STR-NACNUM_INT sy-vline 
WA_IBKK43CLOS_STR-NBANKS sy-vline 
WA_IBKK43CLOS_STR-T_NBANKS sy-vline 
WA_IBKK43CLOS_STR-NBANKL sy-vline 
WA_IBKK43CLOS_STR-T_NBANKL sy-vline 
WA_IBKK43CLOS_STR-NACNUM sy-vline 
WA_IBKK43CLOS_STR-NIBAN sy-vline 
WA_IBKK43CLOS_STR-NACHOLD sy-vline 
WA_IBKK43CLOS_STR-NSWIFT sy-vline 
WA_IBKK43CLOS_STR-TRNSTYPE sy-vline 
WA_IBKK43CLOS_STR-T_TRNSTYPE sy-vline 
WA_IBKK43CLOS_STR-TRNSTYPE2 sy-vline 
WA_IBKK43CLOS_STR-T_TRNSTYPE2 sy-vline 
WA_IBKK43CLOS_STR-PAYMETHOD sy-vline 
WA_IBKK43CLOS_STR-T_MEDIUM sy-vline 
WA_IBKK43CLOS_STR-DBANKS sy-vline 
WA_IBKK43CLOS_STR-T_DBANKS sy-vline 
WA_IBKK43CLOS_STR-DBANKL sy-vline 
WA_IBKK43CLOS_STR-T_DBANKL sy-vline 
WA_IBKK43CLOS_STR-DACNUM sy-vline 
WA_IBKK43CLOS_STR-XCHKDIG_R sy-vline      INTO ld_text SEPARATED BY SPACE.

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