ABAP Select data from SAP table FKKINV_CA_COLL_GFN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKINV_CA_COLL_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 FKKINV_CA_COLL_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 FKKINV_CA_COLL_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_FKKINV_CA_COLL_GFN TYPE STANDARD TABLE OF FKKINV_CA_COLL_GFN,
      WA_FKKINV_CA_COLL_GFN TYPE FKKINV_CA_COLL_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: <FKKINV_CA_COLL_GFN> TYPE FKKINV_CA_COLL_GFN.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKINV_CA_COLL_GFN
*  INTO TABLE @DATA(IT_FKKINV_CA_COLL_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_FKKINV_CA_COLL_GFN INDEX 1 INTO DATA(WA_FKKINV_CA_COLL_GFN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKINV_CA_COLL_GFN>-CONTRACTACCOUNT = 1.
<FKKINV_CA_COLL_GFN>-CONTRACTACCOUNT = 1.
<FKKINV_CA_COLL_GFN>-CREATIONDATE = 1.
<FKKINV_CA_COLL_GFN>-CREATEDBYUSERID = 1.
<FKKINV_CA_COLL_GFN>-ISMARKEDFORDELETION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKINV_CA_COLL_GFN-LASTCHANGEDATE, sy-vline,
  WA_FKKINV_CA_COLL_GFN-LASTCHANGEDBYUSER, sy-vline,
  WA_FKKINV_CA_COLL_GFN-CONTRACTACCOUNTCATEGORY, sy-vline,
  WA_FKKINV_CA_COLL_GFN-CONTRACTACCOUNTEXTREFERENCE, sy-vline,
  WA_FKKINV_CA_COLL_GFN-CONTRACTACCOUNTNAME, sy-vline,
  WA_FKKINV_CA_COLL_GFN-CAPARTNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKINV_CA_COLL_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_FKKINV_CA_COLL_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_FKKINV_CA_COLL_GFN INTO WA_FKKINV_CA_COLL_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 CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKINV_CA_COLL_GFN-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKINV_CA_COLL_GFN-CONTRACTACCOUNT.
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_FKKINV_CA_COLL_GFN_STR, 
CONTRACTACCOUNT TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSERID TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CONTRACTACCOUNTCATEGORY TYPE STRING,
CONTRACTACCOUNTEXTREFERENCE TYPE STRING,
CONTRACTACCOUNTNAME TYPE STRING,
CAPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNTNAME TYPE STRING,
CAADDITIONALDAYSFORCASHMGMT TYPE STRING,
VALDTYDATEFORWHLDGTAXEXMPCERT TYPE STRING,
CASTARTDATEFORBILLINGPERIOD TYPE STRING,
CONTRACCTHASCHARGESORDISCOUNTS TYPE STRING,
CATARGETCURRENCYFORINVOICING TYPE STRING,
CABPREFERENCENUMBER TYPE STRING,
CACOMPANYCODEGROUP TYPE STRING,
CASTANDARDCOMPANYCODE TYPE STRING,
CAALTERNATIVEPAYER TYPE STRING,
CAALTERNATIVEPAYEE TYPE STRING,
CAALTERNATIVEDUNNINGRECIPIENT TYPE STRING,
CABANKIDFORINCOMINGPAYMENTS TYPE STRING,
CABANKIDFOROUTGOINGPAYMENTS TYPE STRING,
CAPAYMENTMETHODFORINCGPAYMENT TYPE STRING,
CAPAYMENTMETHODFOROUTGPAYMENT TYPE STRING,
CAHOUSEBANKREFERENCE TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
ALTVCONTRACTACCTFORCOLLVBILLS TYPE STRING,
CAINTERESTCODE TYPE STRING,
CADUNNINGPROCEDURE TYPE STRING,
CADUNNINGNOTICEGROUP TYPE STRING,
CASHPLANNINGGROUP TYPE STRING,
CARELATIONSHIPOFBPTOCONTRACCT TYPE STRING,
ADDRESSID TYPE STRING,
CONTRACTACCOUNTFORPAYMENT TYPE STRING,
CABUSINESSPARTNERFORPAYMENT TYPE STRING,
CAADDRESSIDOFALTERNATIVEPAYER TYPE STRING,
CAADDRESSIDOFALTERNATIVEPAYEE TYPE STRING,
CAADDRESSIDOFALTVDUNRECIPIENT TYPE STRING,
CAALTERNATIVEINVOICERECIPIENT TYPE STRING,
CAADDRESSIDOFALTVINVOICERCPNT TYPE STRING,
CAADDRESSIDOFJURISDICTIONCODE TYPE STRING,
CATOLERANCEGROUP TYPE STRING,
TAXJURISDICTION TYPE STRING,
CACORRESPONDENCEVARIANT TYPE STRING,
PARTNERCOMPANY TYPE STRING,
CAPAYMENTCARDIDFORINCOMINGPAYT TYPE STRING,
CAPAYMENTCARDIDFOROUTGOINGPAYT TYPE STRING,
CAALTERNATIVECORRESPNCRCPNT TYPE STRING,
CACORRESPONDENCEACTIVITYCODE TYPE STRING,
CAADDRIDOFALTVCORRESPNCRCPNT TYPE STRING,
CAWHLDGTAXCODEOUTGOINGPAYT TYPE STRING,
CAWHLDGTAXCODEINCOMINGPAYT TYPE STRING,
WITHHOLDINGTAXCERTIFICATE TYPE STRING,
CACORRESPONDENCEDUNNINGPROCED TYPE STRING,
REGION TYPE STRING,
CACLEARINGCATEGORY TYPE STRING,
CACLEARINGRESTRICTION TYPE STRING,
SUPPLYINGCOUNTRY TYPE STRING,
BUSINESSPLACE TYPE STRING,
CABUSINESSPARTNERTAXTYPE1 TYPE STRING,
CABUSINESSPARTNERTAXTYPE2 TYPE STRING,
CACOLLECTIONSCLERK TYPE STRING,
CAINVCGCATEGORY TYPE STRING,
CACOLLECTIONSMASTERDATAGROUP TYPE STRING,
CAINVCGSCHEDULE TYPE STRING,
CABILLINGCYCLE TYPE STRING,
CALASTDAYOFBILLINGPERIOD TYPE STRING,
SEPAMANDATE TYPE STRING,
CADETNCODEFORALTVINVOICEFORM TYPE STRING,
PAYMENTCONDITION TYPE STRING,
CAACCOUNTDETERMINATIONCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
DUMMY_FKKVKP_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKINV_CA_COLL_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_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CREATIONDATE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CREATEDBYUSERID sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-ISMARKEDFORDELETION sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-LASTCHANGEDATE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-LASTCHANGEDBYUSER sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNTCATEGORY sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNTEXTREFERENCE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNTNAME sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAPARTNER sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-BUSINESSPARTNER sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNTNAME sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDITIONALDAYSFORCASHMGMT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-VALDTYDATEFORWHLDGTAXEXMPCERT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CASTARTDATEFORBILLINGPERIOD sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACCTHASCHARGESORDISCOUNTS sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CATARGETCURRENCYFORINVOICING sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABPREFERENCENUMBER sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACOMPANYCODEGROUP sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CASTANDARDCOMPANYCODE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAALTERNATIVEPAYER sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAALTERNATIVEPAYEE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAALTERNATIVEDUNNINGRECIPIENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABANKIDFORINCOMINGPAYMENTS sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABANKIDFOROUTGOINGPAYMENTS sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAPAYMENTMETHODFORINCGPAYMENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAPAYMENTMETHODFOROUTGPAYMENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAHOUSEBANKREFERENCE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-ISMARKEDFORDELETION sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-ALTVCONTRACTACCTFORCOLLVBILLS sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAINTERESTCODE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CADUNNINGPROCEDURE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CADUNNINGNOTICEGROUP sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CASHPLANNINGGROUP sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CARELATIONSHIPOFBPTOCONTRACCT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-ADDRESSID sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CONTRACTACCOUNTFORPAYMENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABUSINESSPARTNERFORPAYMENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDRESSIDOFALTERNATIVEPAYER sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDRESSIDOFALTERNATIVEPAYEE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDRESSIDOFALTVDUNRECIPIENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAALTERNATIVEINVOICERECIPIENT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDRESSIDOFALTVINVOICERCPNT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDRESSIDOFJURISDICTIONCODE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CATOLERANCEGROUP sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-TAXJURISDICTION sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACORRESPONDENCEVARIANT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-PARTNERCOMPANY sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAPAYMENTCARDIDFORINCOMINGPAYT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAPAYMENTCARDIDFOROUTGOINGPAYT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAALTERNATIVECORRESPNCRCPNT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACORRESPONDENCEACTIVITYCODE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAADDRIDOFALTVCORRESPNCRCPNT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAWHLDGTAXCODEOUTGOINGPAYT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAWHLDGTAXCODEINCOMINGPAYT sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-WITHHOLDINGTAXCERTIFICATE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACORRESPONDENCEDUNNINGPROCED sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-REGION sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACLEARINGCATEGORY sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACLEARINGRESTRICTION sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-SUPPLYINGCOUNTRY sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-BUSINESSPLACE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABUSINESSPARTNERTAXTYPE1 sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABUSINESSPARTNERTAXTYPE2 sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACOLLECTIONSCLERK sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAINVCGCATEGORY sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CACOLLECTIONSMASTERDATAGROUP sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAINVCGSCHEDULE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CABILLINGCYCLE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CALASTDAYOFBILLINGPERIOD sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-SEPAMANDATE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CADETNCODEFORALTVINVOICEFORM sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-PAYMENTCONDITION sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-CAACCOUNTDETERMINATIONCODE sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-BUSINESSAREA sy-vline 
WA_FKKINV_CA_COLL_GFN_STR-DUMMY_FKKVKP_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.