ABAP Select data from SAP table FIBKRUD_ACCOUNTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIBKRUD_ACCOUNTS
*  INTO TABLE @DATA(IT_FIBKRUD_ACCOUNTS2).
*--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_FIBKRUD_ACCOUNTS INDEX 1 INTO DATA(WA_FIBKRUD_ACCOUNTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIBKRUD_ACCOUNTS>-MANDT = 1.
<FIBKRUD_ACCOUNTS>-BUKRS = 1.
<FIBKRUD_ACCOUNTS>-ACCID = 1.
<FIBKRUD_ACCOUNTS>-ACCVAL = 1.
<FIBKRUD_ACCOUNTS>-HKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIBKRUD_ACCOUNTS-EXTCNUM, sy-vline,
  WA_FIBKRUD_ACCOUNTS-CONTRACT_DATE, sy-vline,
  WA_FIBKRUD_ACCOUNTS-CLIENT_NUMBER, sy-vline,
  WA_FIBKRUD_ACCOUNTS-ACC_TYPE, sy-vline,
  WA_FIBKRUD_ACCOUNTS-EXTRACTION, sy-vline,
  WA_FIBKRUD_ACCOUNTS-OPENING_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIBKRUD_ACCOUNTS 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_FIBKRUD_ACCOUNTS 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_FIBKRUD_ACCOUNTS INTO WA_FIBKRUD_ACCOUNTS.


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

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

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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIBKRUD_ACCOUNTS-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIBKRUD_ACCOUNTS-PRCTR.
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_FIBKRUD_ACCOUNTS_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
ACCID TYPE STRING,
ACCVAL TYPE STRING,
HKONT TYPE STRING,
EXTCNUM TYPE STRING,
CONTRACT_DATE TYPE STRING,
CLIENT_NUMBER TYPE STRING,
ACC_TYPE TYPE STRING,
EXTRACTION TYPE STRING,
OPENING_DATE TYPE STRING,
OPENING_DATE_AUTH TYPE STRING,
CLOSING_DATE TYPE STRING,
CLOSING_DATE_AUTH TYPE STRING,
BUSAB TYPE STRING,
CURRENCY TYPE STRING,
KOSTL TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
LAST_OPER_DATE TYPE STRING,
SPERR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIBKRUD_ACCOUNTS_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_FIBKRUD_ACCOUNTS_STR-MANDT sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-BUKRS sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-ACCID sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-ACCVAL sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-HKONT sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-EXTCNUM sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-CONTRACT_DATE sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-CLIENT_NUMBER sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-ACC_TYPE sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-EXTRACTION sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-OPENING_DATE sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-OPENING_DATE_AUTH sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-CLOSING_DATE sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-CLOSING_DATE_AUTH sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-BUSAB sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-CURRENCY sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-KOSTL sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-GSBER sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-PRCTR sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-LAST_OPER_DATE sy-vline 
WA_FIBKRUD_ACCOUNTS_STR-SPERR sy-vline      INTO ld_text SEPARATED BY SPACE.

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