ABAP Select data from SAP table FKKINVBILL_BADI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKINVBILL_BADI
*  INTO TABLE @DATA(IT_FKKINVBILL_BADI2).
*--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_FKKINVBILL_BADI INDEX 1 INTO DATA(WA_FKKINVBILL_BADI2).


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

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

ENDLOOP.

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

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


*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_FKKINVBILL_BADI-LOG_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKINVBILL_BADI-LOG_SYSTEM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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