ABAP Select data from SAP table IBKK_ACCNT_ARCH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IBKK_ACCNT_ARCH 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_ACCNT_ARCH. 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_ACCNT_ARCH 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_ACCNT_ARCH TYPE STANDARD TABLE OF IBKK_ACCNT_ARCH,
      WA_IBKK_ACCNT_ARCH TYPE IBKK_ACCNT_ARCH,
      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_ACCNT_ARCH> TYPE IBKK_ACCNT_ARCH.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBKK_ACCNT_ARCH
*  INTO TABLE @DATA(IT_IBKK_ACCNT_ARCH2).
*--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_ACCNT_ARCH INDEX 1 INTO DATA(WA_IBKK_ACCNT_ARCH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBKK_ACCNT_ARCH>-BKKRS = 1.
<IBKK_ACCNT_ARCH>-ACNUM_INT = 1.
<IBKK_ACCNT_ARCH>-ACNUM_EXT = 1.
<IBKK_ACCNT_ARCH>-BKS = 1.
<IBKK_ACCNT_ARCH>-ACNUM_IBAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBKK_ACCNT_ARCH-CONDAREA, sy-vline,
  WA_IBKK_ACCNT_ARCH-PRODINT, sy-vline,
  WA_IBKK_ACCNT_ARCH-VERSION, sy-vline,
  WA_IBKK_ACCNT_ARCH-ACKIND, sy-vline,
  WA_IBKK_ACCNT_ARCH-XCTLFLGBAL, sy-vline,
  WA_IBKK_ACCNT_ARCH-SENDTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBKK_ACCNT_ARCH 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_ACCNT_ARCH 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_ACCNT_ARCH INTO WA_IBKK_ACCNT_ARCH.


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

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

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

*Conversion exit ALPHA, internal->external for field ROOT_ACNUM_INT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKK_ACCNT_ARCH-ROOT_ACNUM_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK_ACCNT_ARCH-ROOT_ACNUM_INT.
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_ACCNT_ARCH_STR, 
BKKRS TYPE STRING,
ACNUM_INT TYPE STRING,
ACNUM_EXT TYPE STRING,
BKS TYPE STRING,
ACNUM_IBAN TYPE STRING,
CONDAREA TYPE STRING,
PRODINT TYPE STRING,
VERSION TYPE STRING,
ACKIND TYPE STRING,
XCTLFLGBAL TYPE STRING,
SENDTYPE TYPE STRING,
CONDCHDATE TYPE STRING,
DELDATE TYPE STRING,
PRODDATE TYPE STRING,
BALDATE TYPE STRING,
STATUS_ADD TYPE STRING,
XOFFER TYPE STRING,
XCHKDIG TYPE STRING,
OPENDATE TYPE STRING,
PLANNED_CL_DATE TYPE STRING,
CLOSURE_REASON TYPE STRING,
CLS_REA_CLASS TYPE STRING,
PRENOT_CLOSURE TYPE STRING,
PRENOT_DAYS TYPE STRING,
PRENOT_PRINTED TYPE STRING,
CLOSURE_CORR TYPE STRING,
REACN_DATE TYPE STRING,
REACN_REASON TYPE STRING,
REACN_REA_CLASS TYPE STRING,
ROOT_ACNUM_INT TYPE STRING,
TARCHSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBKK_ACCNT_ARCH_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_ACCNT_ARCH_STR-BKKRS sy-vline 
WA_IBKK_ACCNT_ARCH_STR-ACNUM_INT sy-vline 
WA_IBKK_ACCNT_ARCH_STR-ACNUM_EXT sy-vline 
WA_IBKK_ACCNT_ARCH_STR-BKS sy-vline 
WA_IBKK_ACCNT_ARCH_STR-ACNUM_IBAN sy-vline 
WA_IBKK_ACCNT_ARCH_STR-CONDAREA sy-vline 
WA_IBKK_ACCNT_ARCH_STR-PRODINT sy-vline 
WA_IBKK_ACCNT_ARCH_STR-VERSION sy-vline 
WA_IBKK_ACCNT_ARCH_STR-ACKIND sy-vline 
WA_IBKK_ACCNT_ARCH_STR-XCTLFLGBAL sy-vline 
WA_IBKK_ACCNT_ARCH_STR-SENDTYPE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-CONDCHDATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-DELDATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-PRODDATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-BALDATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-STATUS_ADD sy-vline 
WA_IBKK_ACCNT_ARCH_STR-XOFFER sy-vline 
WA_IBKK_ACCNT_ARCH_STR-XCHKDIG sy-vline 
WA_IBKK_ACCNT_ARCH_STR-OPENDATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-PLANNED_CL_DATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-CLOSURE_REASON sy-vline 
WA_IBKK_ACCNT_ARCH_STR-CLS_REA_CLASS sy-vline 
WA_IBKK_ACCNT_ARCH_STR-PRENOT_CLOSURE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-PRENOT_DAYS sy-vline 
WA_IBKK_ACCNT_ARCH_STR-PRENOT_PRINTED sy-vline 
WA_IBKK_ACCNT_ARCH_STR-CLOSURE_CORR sy-vline 
WA_IBKK_ACCNT_ARCH_STR-REACN_DATE sy-vline 
WA_IBKK_ACCNT_ARCH_STR-REACN_REASON sy-vline 
WA_IBKK_ACCNT_ARCH_STR-REACN_REA_CLASS sy-vline 
WA_IBKK_ACCNT_ARCH_STR-ROOT_ACNUM_INT sy-vline 
WA_IBKK_ACCNT_ARCH_STR-TARCHSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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