ABAP Select data from SAP table FKKINV_BILL_CREATE_OUTPUT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKINV_BILL_CREATE_OUTPUT 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_BILL_CREATE_OUTPUT. 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_BILL_CREATE_OUTPUT 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_BILL_CREATE_OUTPUT TYPE STANDARD TABLE OF FKKINV_BILL_CREATE_OUTPUT,
      WA_FKKINV_BILL_CREATE_OUTPUT TYPE FKKINV_BILL_CREATE_OUTPUT,
      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_BILL_CREATE_OUTPUT> TYPE FKKINV_BILL_CREATE_OUTPUT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKINV_BILL_CREATE_OUTPUT
*  INTO TABLE @DATA(IT_FKKINV_BILL_CREATE_OUTPUT2).
*--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_BILL_CREATE_OUTPUT INDEX 1 INTO DATA(WA_FKKINV_BILL_CREATE_OUTPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKINV_BILL_CREATE_OUTPUT>-BILLDOC = 1.
<FKKINV_BILL_CREATE_OUTPUT>-HEADER = 1.
<FKKINV_BILL_CREATE_OUTPUT>-MANDT = 1.
<FKKINV_BILL_CREATE_OUTPUT>-BILLDOCNO = 1.
<FKKINV_BILL_CREATE_OUTPUT>-REFDOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKINV_BILL_CREATE_OUTPUT-LOG_SYSTEM, sy-vline,
  WA_FKKINV_BILL_CREATE_OUTPUT-APPLK, sy-vline,
  WA_FKKINV_BILL_CREATE_OUTPUT-SRCPROCESS, sy-vline,
  WA_FKKINV_BILL_CREATE_OUTPUT-SRCDOCTYPE, sy-vline,
  WA_FKKINV_BILL_CREATE_OUTPUT-TECHDOCTYPE, sy-vline,
  WA_FKKINV_BILL_CREATE_OUTPUT-DOCTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKINV_BILL_CREATE_OUTPUT 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_BILL_CREATE_OUTPUT 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_BILL_CREATE_OUTPUT INTO WA_FKKINV_BILL_CREATE_OUTPUT.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field LOG_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKINV_BILL_CREATE_OUTPUT-LOG_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKINV_BILL_CREATE_OUTPUT-LOG_SYSTEM.
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_BILL_CREATE_OUTPUT_STR, 
BILLDOC TYPE STRING,
HEADER TYPE STRING,
MANDT TYPE STRING,
BILLDOCNO TYPE STRING,
REFDOCNO TYPE STRING,
LOG_SYSTEM TYPE STRING,
APPLK TYPE STRING,
SRCPROCESS TYPE STRING,
SRCDOCTYPE TYPE STRING,
TECHDOCTYPE TYPE STRING,
DOCTYPE TYPE STRING,
TARGPROCESS TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
MDCAT TYPE STRING,
GPART_INV TYPE STRING,
VKONT_INV TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
BILL_BASEDATE TYPE STRING,
SIMULATED TYPE STRING,
BILL_CURR TYPE STRING,
INV_CURR TYPE STRING,
TAX_DET_TYPE TYPE STRING,
TAX_DATE_TYPE TYPE STRING,
INV_CATEGORY TYPE STRING,
SEPARATE_INV TYPE STRING,
INVOICE_FIRST TYPE STRING,
REVREASON TYPE STRING,
REVERSALDOC TYPE STRING,
REVERSEDDOC TYPE STRING,
ADJUSTMENTDOC TYPE STRING,
ADJUSTEDDOC TYPE STRING,
CORRCAT TYPE STRING,
TRIGDELETED TYPE STRING,
XINFBILL TYPE STRING,
XBILLAC TYPE STRING,
INVLOCK TYPE STRING,
INVSTATUS TYPE STRING,
INVDOCNO TYPE STRING,
INVCRDATE TYPE STRING,
ADD_GROUP TYPE STRING,
XINVBILL_X TYPE STRING,
RECNUM TYPE STRING,
KEYPP TYPE STRING,
CRNAME TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
BILLRUNNO TYPE STRING,
BILL_PROCESS TYPE STRING,
BILL_TYPE TYPE STRING,
PREPAID_INCL TYPE STRING,
PPREFILL_INCL TYPE STRING,
REVREC_INCL TYPE STRING,
ALTMD_ORIG_INCL TYPE STRING,
PTSRL TYPE STRING,
DUMMY_INVBILL_H_INCL_EEW_PS TYPE STRING,
ARCHIVED TYPE STRING,
NOT_SAVED TYPE STRING,
ITEM_TAB TYPE STRING,
TAXITEM_TAB TYPE STRING,
ADDITEM_TAB TYPE STRING,
PAYITEM_TAB TYPE STRING,
SRCITEM_TAB TYPE STRING,
IDXITEM_TAB TYPE STRING,
EXTENSIONOUT TYPE STRING,
PROCESSMODE TYPE STRING,
ERROR_OCCURRED TYPE STRING,
LOG_TAB TYPE STRING,
REFDOCNO TYPE STRING,
LOG_SYSTEM TYPE STRING,
BILLDOCNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKINV_BILL_CREATE_OUTPUT_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_BILL_CREATE_OUTPUT_STR-BILLDOC sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-HEADER sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-MANDT sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILLDOCNO sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-REFDOCNO sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-LOG_SYSTEM sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-APPLK sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-SRCPROCESS sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-SRCDOCTYPE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-TECHDOCTYPE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-DOCTYPE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-TARGPROCESS sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-GPART sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-VKONT sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-MDCAT sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-GPART_INV sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-VKONT_INV sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-DATE_FROM sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-DATE_TO sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILL_BASEDATE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-SIMULATED sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILL_CURR sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INV_CURR sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-TAX_DET_TYPE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-TAX_DATE_TYPE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INV_CATEGORY sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-SEPARATE_INV sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INVOICE_FIRST sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-REVREASON sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-REVERSALDOC sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-REVERSEDDOC sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ADJUSTMENTDOC sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ADJUSTEDDOC sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-CORRCAT sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-TRIGDELETED sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-XINFBILL sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-XBILLAC sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INVLOCK sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INVSTATUS sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INVDOCNO sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-INVCRDATE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ADD_GROUP sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-XINVBILL_X sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-RECNUM sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-KEYPP sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-CRNAME sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-CRDATE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-CRTIME sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILLRUNNO sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILL_PROCESS sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILL_TYPE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-PREPAID_INCL sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-PPREFILL_INCL sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-REVREC_INCL sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ALTMD_ORIG_INCL sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-PTSRL sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-DUMMY_INVBILL_H_INCL_EEW_PS sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ARCHIVED sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-NOT_SAVED sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ITEM_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-TAXITEM_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ADDITEM_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-PAYITEM_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-SRCITEM_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-IDXITEM_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-EXTENSIONOUT sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-PROCESSMODE sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-ERROR_OCCURRED sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-LOG_TAB sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-REFDOCNO sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-LOG_SYSTEM sy-vline 
WA_FKKINV_BILL_CREATE_OUTPUT_STR-BILLDOCNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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