ABAP Select data from SAP table FKKBIX_ICBIT4_PY_ALL_GFN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKBIX_ICBIT4_PY_ALL_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 FKKBIX_ICBIT4_PY_ALL_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 FKKBIX_ICBIT4_PY_ALL_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_FKKBIX_ICBIT4_PY_ALL_GFN TYPE STANDARD TABLE OF FKKBIX_ICBIT4_PY_ALL_GFN,
      WA_FKKBIX_ICBIT4_PY_ALL_GFN TYPE FKKBIX_ICBIT4_PY_ALL_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: <FKKBIX_ICBIT4_PY_ALL_GFN> TYPE FKKBIX_ICBIT4_PY_ALL_GFN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKBIX_ICBIT4_PY_ALL_GFN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKBIX_ICBIT4_PY_ALL_GFN
  INTO TABLE IT_FKKBIX_ICBIT4_PY_ALL_GFN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIX_ICBIT4_PY_ALL_GFN
*  INTO TABLE @DATA(IT_FKKBIX_ICBIT4_PY_ALL_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_FKKBIX_ICBIT4_PY_ALL_GFN INDEX 1 INTO DATA(WA_FKKBIX_ICBIT4_PY_ALL_GFN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKBIX_ICBIT4_PY_ALL_GFN ASSIGNING <FKKBIX_ICBIT4_PY_ALL_GFN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIX_ICBIT4_PY_ALL_GFN>-CABILLGDOCCREATIONDATE = 1.
<FKKBIX_ICBIT4_PY_ALL_GFN>-CABILLGDOCUMENT = 1.
<FKKBIX_ICBIT4_PY_ALL_GFN>-CABILLGGROUPINGBILLABLEITEM = 1.
<FKKBIX_ICBIT4_PY_ALL_GFN>-CABLLBLEITMBILLGDOCSQNCNO = 1.
<FKKBIX_ICBIT4_PY_ALL_GFN>-CABLLBLEITMSOURCETRANSTYPE = 1.

ENDLOOP.

LOOP AT IT_FKKBIX_ICBIT4_PY_ALL_GFN INTO WA_FKKBIX_ICBIT4_PY_ALL_GFN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMSOURCETRANSID, sy-vline,
  WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMPACKAGEUUID, sy-vline,
  WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMPACKNO, sy-vline,
  WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMCLASS, sy-vline,
  WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMSTATUS, sy-vline,
  WA_FKKBIX_ICBIT4_PY_ALL_GFN-CONTRACTACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIX_ICBIT4_PY_ALL_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_FKKBIX_ICBIT4_PY_ALL_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_FKKBIX_ICBIT4_PY_ALL_GFN INTO WA_FKKBIX_ICBIT4_PY_ALL_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 CABLLBLEITMSOURCETRANSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMSOURCETRANSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_ICBIT4_PY_ALL_GFN-CABLLBLEITMSOURCETRANSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_ICBIT4_PY_ALL_GFN-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_ICBIT4_PY_ALL_GFN-CONTRACTACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAALTVBPFORPAYMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_ICBIT4_PY_ALL_GFN-CAALTVBPFORPAYMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_ICBIT4_PY_ALL_GFN-CAALTVBPFORPAYMENT.
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_FKKBIX_ICBIT4_PY_ALL_GFN_STR, 
CABILLGDOCCREATIONDATE TYPE STRING,
CABILLGDOCUMENT TYPE STRING,
CABILLGGROUPINGBILLABLEITEM TYPE STRING,
CABLLBLEITMBILLGDOCSQNCNO TYPE STRING,
CABLLBLEITMSOURCETRANSTYPE TYPE STRING,
CABLLBLEITMSOURCETRANSID TYPE STRING,
CABLLBLEITMPACKAGEUUID TYPE STRING,
CABLLBLEITMPACKNO TYPE STRING,
CABLLBLEITMCLASS TYPE STRING,
CABLLBLEITMSTATUS TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CAPAYMENTMETHOD TYPE STRING,
CABANKOFALTVBPFORPAYMENT TYPE STRING,
CAALTVBPFORPAYMENT TYPE STRING,
CAKEYFORPAYMENTCARDSUPPLEMENT TYPE STRING,
CAPAYMENTBILLINGSTATUS TYPE STRING,
CABILLGPAYMENTREFERENCE TYPE STRING,
CABILLGPAYMENTAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CABILLGDOCPAYMENTITEMPRIORITY TYPE STRING,
CABLLBLEITMEXCPTNHISTISEXSTC TYPE STRING,
CABLLBLEITMCHGHISTISEXSTC TYPE STRING,
CABLLBLEITMEXTERNALREFERENCE TYPE STRING,
CABLLBLEITMGROUPINGPAYMENTDATA TYPE STRING,
CABLLBLEITMCREATIONMODE TYPE STRING,
CABLLBLEITMISARCHIVED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIX_ICBIT4_PY_ALL_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_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABILLGDOCCREATIONDATE sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABILLGDOCUMENT sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABILLGGROUPINGBILLABLEITEM sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMBILLGDOCSQNCNO sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMSOURCETRANSTYPE sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMSOURCETRANSID sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMPACKAGEUUID sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMPACKNO sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMCLASS sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMSTATUS sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CONTRACTACCOUNT sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CAPAYMENTMETHOD sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABANKOFALTVBPFORPAYMENT sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CAALTVBPFORPAYMENT sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CAKEYFORPAYMENTCARDSUPPLEMENT sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CAPAYMENTBILLINGSTATUS sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABILLGPAYMENTREFERENCE sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABILLGPAYMENTAMOUNT sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-TRANSACTIONCURRENCY sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABILLGDOCPAYMENTITEMPRIORITY sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMEXCPTNHISTISEXSTC sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMCHGHISTISEXSTC sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMEXTERNALREFERENCE sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMGROUPINGPAYMENTDATA sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMCREATIONMODE sy-vline 
WA_FKKBIX_ICBIT4_PY_ALL_GFN_STR-CABLLBLEITMISARCHIVED sy-vline      INTO ld_text SEPARATED BY SPACE.

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