ABAP Select data from SAP table DFKKSUM_GFN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKSUM_GFN
*  INTO TABLE @DATA(IT_DFKKSUM_GFN2).
*--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_DFKKSUM_GFN INDEX 1 INTO DATA(WA_DFKKSUM_GFN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKSUM_GFN>-COMPANYCODE = 1.
<DFKKSUM_GFN>-CARECONCILIATIONKEY = 1.
<DFKKSUM_GFN>-DEBITCREDITCODE = 1.
<DFKKSUM_GFN>-GLACCOUNT = 1.
<DFKKSUM_GFN>-BUSINESSAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKSUM_GFN-CAHASHCODEOFACCOUNTASSIGNMENTS, sy-vline,
  WA_DFKKSUM_GFN-CATOTALSRECORDSEQUENCENUMBER, sy-vline,
  WA_DFKKSUM_GFN-TRANSACTIONCURRENCY, sy-vline,
  WA_DFKKSUM_GFN-CAGLPOSTINGCURRENCY, sy-vline,
  WA_DFKKSUM_GFN-CAPOSTINGDATE, sy-vline,
  WA_DFKKSUM_GFN-CADOCUMENTNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKSUM_GFN 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_DFKKSUM_GFN 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_DFKKSUM_GFN INTO WA_DFKKSUM_GFN.


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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DFKKSUM_GFN-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKSUM_GFN-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ORIGLYEARFORFINMGMTACCTASSGMT
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_DFKKSUM_GFN-ORIGLYEARFORFINMGMTACCTASSGMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKSUM_GFN-ORIGLYEARFORFINMGMTACCTASSGMT.
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_DFKKSUM_GFN_STR, 
COMPANYCODE TYPE STRING,
CARECONCILIATIONKEY TYPE STRING,
DEBITCREDITCODE TYPE STRING,
GLACCOUNT TYPE STRING,
BUSINESSAREA TYPE STRING,
CAHASHCODEOFACCOUNTASSIGNMENTS TYPE STRING,
CATOTALSRECORDSEQUENCENUMBER TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CAGLPOSTINGCURRENCY TYPE STRING,
CAPOSTINGDATE TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CALINEITEMISCREATEDINGLDOC TYPE STRING,
BUSINESSPLACE TYPE STRING,
SEGMENT TYPE STRING,
COSTCENTER TYPE STRING,
PROFITCENTER TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
PROFITABILITYSEGMENTCHANGES TYPE STRING,
PLANNINGLEVEL TYPE STRING,
TAXCODE TYPE STRING,
CATOTALSRECORDISTAXITEM TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
CATAXRATE TYPE STRING,
TAXJURISDICTION TYPE STRING,
CAENTEREDTAXJURISDICTIONCODE TYPE STRING,
CATAXDATE TYPE STRING,
CATAXJURISDICTIONLEVELCOUNTER TYPE STRING,
CONDITIONTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
VALUEDATE TYPE STRING,
PARTNERCOMPANY TYPE STRING,
CAACCOUNTASSIGNMENTCATEGORY TYPE STRING,
CAACCOUNTASSIGNMENT TYPE STRING,
ISNEGATIVEPOSTING TYPE STRING,
CADOCUMENTTYPEFORGLTRANSFER TYPE STRING,
LEDGERGROUP TYPE STRING,
CAISCASHFLOWITEM TYPE STRING,
CACASHFLOWACCOUNT TYPE STRING,
CACASHFLOWCOMPANYCODE TYPE STRING,
CAAMOUNTINLOCALCURRENCY TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
CAAMOUNTINSECONDCURRENCY TYPE STRING,
CAAMOUNTINTHIRDCURRENCY TYPE STRING,
CAGLPOSTINGAMOUNT TYPE STRING,
CATAXBASEAMOUNTINLOCALCURRENCY TYPE STRING,
CATAXBASEAMOUNT TYPE STRING,
CANONDEDUCTIBLETXAMTINDOCCRCY TYPE STRING,
CANONDEDUCTIBLETXAMTINLOCLCRCY TYPE STRING,
CACONTAINSNONDEDUCTIBLEINPTTAX TYPE STRING,
CATAXPORTIONINTRANSCURRENCY TYPE STRING,
CATAXPORTIONINLOCALCURRENCY TYPE STRING,
BASEUNIT TYPE STRING,
QUANTITYSIGNCODE TYPE STRING,
CAUPDATEMETHODFORFUNDSMGMT TYPE STRING,
ORIGINALFINANCIALMGMTAREA TYPE STRING,
ORIGLYEARFORFINMGMTACCTASSGMT TYPE STRING,
CATOTALSRECORDCRRTNLEVELVALUE TYPE STRING,
CAGENLDGRTRANSFALTVPOSTINGDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
CATOTALSRECDISDRCTTRNSFDTOGL TYPE STRING,
DUMMY_FKKSUM_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKSUM_GFN_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_DFKKSUM_GFN_STR-COMPANYCODE sy-vline 
WA_DFKKSUM_GFN_STR-CARECONCILIATIONKEY sy-vline 
WA_DFKKSUM_GFN_STR-DEBITCREDITCODE sy-vline 
WA_DFKKSUM_GFN_STR-GLACCOUNT sy-vline 
WA_DFKKSUM_GFN_STR-BUSINESSAREA sy-vline 
WA_DFKKSUM_GFN_STR-CAHASHCODEOFACCOUNTASSIGNMENTS sy-vline 
WA_DFKKSUM_GFN_STR-CATOTALSRECORDSEQUENCENUMBER sy-vline 
WA_DFKKSUM_GFN_STR-TRANSACTIONCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CAGLPOSTINGCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CAPOSTINGDATE sy-vline 
WA_DFKKSUM_GFN_STR-CADOCUMENTNUMBER sy-vline 
WA_DFKKSUM_GFN_STR-CABPITEMNUMBER sy-vline 
WA_DFKKSUM_GFN_STR-CALINEITEMISCREATEDINGLDOC sy-vline 
WA_DFKKSUM_GFN_STR-BUSINESSPLACE sy-vline 
WA_DFKKSUM_GFN_STR-SEGMENT sy-vline 
WA_DFKKSUM_GFN_STR-COSTCENTER sy-vline 
WA_DFKKSUM_GFN_STR-PROFITCENTER sy-vline 
WA_DFKKSUM_GFN_STR-SALESORDER sy-vline 
WA_DFKKSUM_GFN_STR-SALESORDERITEM sy-vline 
WA_DFKKSUM_GFN_STR-PROFITABILITYSEGMENT sy-vline 
WA_DFKKSUM_GFN_STR-PROFITABILITYSEGMENTCHANGES sy-vline 
WA_DFKKSUM_GFN_STR-PLANNINGLEVEL sy-vline 
WA_DFKKSUM_GFN_STR-TAXCODE sy-vline 
WA_DFKKSUM_GFN_STR-CATOTALSRECORDISTAXITEM sy-vline 
WA_DFKKSUM_GFN_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_DFKKSUM_GFN_STR-CATAXRATE sy-vline 
WA_DFKKSUM_GFN_STR-TAXJURISDICTION sy-vline 
WA_DFKKSUM_GFN_STR-CAENTEREDTAXJURISDICTIONCODE sy-vline 
WA_DFKKSUM_GFN_STR-CATAXDATE sy-vline 
WA_DFKKSUM_GFN_STR-CATAXJURISDICTIONLEVELCOUNTER sy-vline 
WA_DFKKSUM_GFN_STR-CONDITIONTYPE sy-vline 
WA_DFKKSUM_GFN_STR-DOCUMENTDATE sy-vline 
WA_DFKKSUM_GFN_STR-VALUEDATE sy-vline 
WA_DFKKSUM_GFN_STR-PARTNERCOMPANY sy-vline 
WA_DFKKSUM_GFN_STR-CAACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_DFKKSUM_GFN_STR-CAACCOUNTASSIGNMENT sy-vline 
WA_DFKKSUM_GFN_STR-ISNEGATIVEPOSTING sy-vline 
WA_DFKKSUM_GFN_STR-CADOCUMENTTYPEFORGLTRANSFER sy-vline 
WA_DFKKSUM_GFN_STR-LEDGERGROUP sy-vline 
WA_DFKKSUM_GFN_STR-CAISCASHFLOWITEM sy-vline 
WA_DFKKSUM_GFN_STR-CACASHFLOWACCOUNT sy-vline 
WA_DFKKSUM_GFN_STR-CACASHFLOWCOMPANYCODE sy-vline 
WA_DFKKSUM_GFN_STR-CAAMOUNTINLOCALCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CAAMOUNTINSECONDCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CAAMOUNTINTHIRDCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CAGLPOSTINGAMOUNT sy-vline 
WA_DFKKSUM_GFN_STR-CATAXBASEAMOUNTINLOCALCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CATAXBASEAMOUNT sy-vline 
WA_DFKKSUM_GFN_STR-CANONDEDUCTIBLETXAMTINDOCCRCY sy-vline 
WA_DFKKSUM_GFN_STR-CANONDEDUCTIBLETXAMTINLOCLCRCY sy-vline 
WA_DFKKSUM_GFN_STR-CACONTAINSNONDEDUCTIBLEINPTTAX sy-vline 
WA_DFKKSUM_GFN_STR-CATAXPORTIONINTRANSCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-CATAXPORTIONINLOCALCURRENCY sy-vline 
WA_DFKKSUM_GFN_STR-BASEUNIT sy-vline 
WA_DFKKSUM_GFN_STR-QUANTITYSIGNCODE sy-vline 
WA_DFKKSUM_GFN_STR-CAUPDATEMETHODFORFUNDSMGMT sy-vline 
WA_DFKKSUM_GFN_STR-ORIGINALFINANCIALMGMTAREA sy-vline 
WA_DFKKSUM_GFN_STR-ORIGLYEARFORFINMGMTACCTASSGMT sy-vline 
WA_DFKKSUM_GFN_STR-CATOTALSRECORDCRRTNLEVELVALUE sy-vline 
WA_DFKKSUM_GFN_STR-CAGENLDGRTRANSFALTVPOSTINGDATE sy-vline 
WA_DFKKSUM_GFN_STR-TAXREPORTINGDATE sy-vline 
WA_DFKKSUM_GFN_STR-HOUSEBANK sy-vline 
WA_DFKKSUM_GFN_STR-HOUSEBANKACCOUNT sy-vline 
WA_DFKKSUM_GFN_STR-CATOTALSRECDISDRCTTRNSFDTOGL sy-vline 
WA_DFKKSUM_GFN_STR-DUMMY_FKKSUM_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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