ABAP Select data from SAP table CLUSAFTGENLEDBP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CLUSAFTGENLEDBP
*  INTO TABLE @DATA(IT_CLUSAFTGENLEDBP2).
*--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_CLUSAFTGENLEDBP INDEX 1 INTO DATA(WA_CLUSAFTGENLEDBP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CLUSAFTGENLEDBP>-MANDT = 1.
<CLUSAFTGENLEDBP>-COMPANYCODE = 1.
<CLUSAFTGENLEDBP>-BPIDENTIFICATIONNUMBER = 1.
<CLUSAFTGENLEDBP>-BUSINESSPARTNERTYPE = 1.
<CLUSAFTGENLEDBP>-BUSINESSPARTNERCUSTOMER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CLUSAFTGENLEDBP-CUSTOMER, sy-vline,
  WA_CLUSAFTGENLEDBP-SUPPLIERTOPARTNER, sy-vline,
  WA_CLUSAFTGENLEDBP-SUPPLIER, sy-vline,
  WA_CLUSAFTGENLEDBP-VATREGISTRATION, sy-vline,
  WA_CLUSAFTGENLEDBP-COMPANYNAME, sy-vline,
  WA_CLUSAFTGENLEDBP-STREETNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CLUSAFTGENLEDBP 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_CLUSAFTGENLEDBP 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_CLUSAFTGENLEDBP INTO WA_CLUSAFTGENLEDBP.


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

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

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

*Conversion exit ALPHA, internal->external for field LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CLUSAFTGENLEDBP-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLUSAFTGENLEDBP-LEDGER.
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_CLUSAFTGENLEDBP_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
BPIDENTIFICATIONNUMBER TYPE STRING,
BUSINESSPARTNERTYPE TYPE STRING,
BUSINESSPARTNERCUSTOMER TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIERTOPARTNER TYPE STRING,
SUPPLIER TYPE STRING,
VATREGISTRATION TYPE STRING,
COMPANYNAME TYPE STRING,
STREETNAME TYPE STRING,
HOUSENUMBER TYPE STRING,
CITYNAME TYPE STRING,
POSTALCODE TYPE STRING,
REGION TYPE STRING,
REGIONNAME TYPE STRING,
COUNTRY TYPE STRING,
SAFTGENERALLEDGERACCOUNTID TYPE STRING,
GLACCOUNT TYPE STRING,
IBAN TYPE STRING,
BANKACCOUNT TYPE STRING,
BANK TYPE STRING,
BANKACCOUNTHOLDERNAME TYPE STRING,
BANKCONTROLKEY TYPE STRING,
LEDGER TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CLUSAFTGENLEDBP_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_CLUSAFTGENLEDBP_STR-MANDT sy-vline 
WA_CLUSAFTGENLEDBP_STR-COMPANYCODE sy-vline 
WA_CLUSAFTGENLEDBP_STR-BPIDENTIFICATIONNUMBER sy-vline 
WA_CLUSAFTGENLEDBP_STR-BUSINESSPARTNERTYPE sy-vline 
WA_CLUSAFTGENLEDBP_STR-BUSINESSPARTNERCUSTOMER sy-vline 
WA_CLUSAFTGENLEDBP_STR-CUSTOMER sy-vline 
WA_CLUSAFTGENLEDBP_STR-SUPPLIERTOPARTNER sy-vline 
WA_CLUSAFTGENLEDBP_STR-SUPPLIER sy-vline 
WA_CLUSAFTGENLEDBP_STR-VATREGISTRATION sy-vline 
WA_CLUSAFTGENLEDBP_STR-COMPANYNAME sy-vline 
WA_CLUSAFTGENLEDBP_STR-STREETNAME sy-vline 
WA_CLUSAFTGENLEDBP_STR-HOUSENUMBER sy-vline 
WA_CLUSAFTGENLEDBP_STR-CITYNAME sy-vline 
WA_CLUSAFTGENLEDBP_STR-POSTALCODE sy-vline 
WA_CLUSAFTGENLEDBP_STR-REGION sy-vline 
WA_CLUSAFTGENLEDBP_STR-REGIONNAME sy-vline 
WA_CLUSAFTGENLEDBP_STR-COUNTRY sy-vline 
WA_CLUSAFTGENLEDBP_STR-SAFTGENERALLEDGERACCOUNTID sy-vline 
WA_CLUSAFTGENLEDBP_STR-GLACCOUNT sy-vline 
WA_CLUSAFTGENLEDBP_STR-IBAN sy-vline 
WA_CLUSAFTGENLEDBP_STR-BANKACCOUNT sy-vline 
WA_CLUSAFTGENLEDBP_STR-BANK sy-vline 
WA_CLUSAFTGENLEDBP_STR-BANKACCOUNTHOLDERNAME sy-vline 
WA_CLUSAFTGENLEDBP_STR-BANKCONTROLKEY sy-vline 
WA_CLUSAFTGENLEDBP_STR-LEDGER sy-vline 
WA_CLUSAFTGENLEDBP_STR-CHARTOFACCOUNTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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