ABAP Select data from SAP table FKKINV_CFC_DIA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKINV_CFC_DIA 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_CFC_DIA. 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_CFC_DIA 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_CFC_DIA TYPE STANDARD TABLE OF FKKINV_CFC_DIA,
      WA_FKKINV_CFC_DIA TYPE FKKINV_CFC_DIA,
      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_CFC_DIA> TYPE FKKINV_CFC_DIA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKINV_CFC_DIA
*  INTO TABLE @DATA(IT_FKKINV_CFC_DIA2).
*--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_CFC_DIA INDEX 1 INTO DATA(WA_FKKINV_CFC_DIA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKINV_CFC_DIA>-MARK = 1.
<FKKINV_CFC_DIA>-ICON = 1.
<FKKINV_CFC_DIA>-WORKICON = 1.
<FKKINV_CFC_DIA>-STATE_TXT = 1.
<FKKINV_CFC_DIA>-WORKSTATE_TXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKINV_CFC_DIA-ACTION_TXT, sy-vline,
  WA_FKKINV_CFC_DIA-TILE_ID_TXT, sy-vline,
  WA_FKKINV_CFC_DIA-GPART_TXT, sy-vline,
  WA_FKKINV_CFC_DIA-USER_TXT, sy-vline,
  WA_FKKINV_CFC_DIA-MANDT, sy-vline,
  WA_FKKINV_CFC_DIA-INVCFCNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKINV_CFC_DIA 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_CFC_DIA 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_CFC_DIA INTO WA_FKKINV_CFC_DIA.


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

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

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

*Conversion exit ALPHA, internal->external for field SRCDOCNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKINV_CFC_DIA-SRCDOCNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKINV_CFC_DIA-SRCDOCNO.
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_CFC_DIA_STR, 
MARK TYPE STRING,
ICON TYPE STRING,
WORKICON TYPE STRING,
STATE_TXT TYPE STRING,
WORKSTATE_TXT TYPE STRING,
ACTION_TXT TYPE STRING,
TILE_ID_TXT TYPE STRING,
GPART_TXT TYPE STRING,
USER_TXT TYPE STRING,
MANDT TYPE STRING,
INVCFCNO TYPE STRING,
APPLK TYPE STRING,
CFCCAT TYPE STRING,
CFCREASON TYPE STRING,
CFCVAL_INVDOC TYPE STRING,
CFCVAL_SRCDOC TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
MDCAT TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
SRCDOCCAT TYPE STRING,
SRCDOCNO TYPE STRING,
SRCDOCTYPE TYPE STRING,
SRCDOC_CURR TYPE STRING,
SRCDOC_AMOUNT TYPE STRING,
TARGPROCESS TYPE STRING,
INV_PROCESS TYPE STRING,
INVDOCNO TYPE STRING,
INVDOC_CURR TYPE STRING,
INVDOC_AMOUNT TYPE STRING,
MSGID TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
CRNAME TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
XAUTOCLAR TYPE STRING,
CLARIFIED TYPE STRING,
CLARIFIED_WORKST TYPE STRING,
STATE TYPE STRING,
LOCK_USER TYPE STRING,
LOCK_LIMIT TYPE STRING,
WORKSTATE TYPE STRING,
RESUBMIT_DATE TYPE STRING,
WF_COUNT TYPE STRING,
LINECOLOR TYPE STRING,
HL_FNAME TYPE STRING,
GPART_DESC TYPE STRING,
VKONT_DESC TYPE STRING,
VTREF_DESC TYPE STRING,
INV_PROCESS_TXT TYPE STRING,
CFCCAT_TXT TYPE STRING,
CFCREASON_TXT TYPE STRING,
CFCVAL_INVDOC_TXT TYPE STRING,
CFCVAL_SRCDOC_TXT TYPE STRING,
ERROR_TXT TYPE STRING,
SRCDOC_INVDOCNO TYPE STRING,
PRLINV_INVDOCNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKINV_CFC_DIA_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_CFC_DIA_STR-MARK sy-vline 
WA_FKKINV_CFC_DIA_STR-ICON sy-vline 
WA_FKKINV_CFC_DIA_STR-WORKICON sy-vline 
WA_FKKINV_CFC_DIA_STR-STATE_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-WORKSTATE_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-ACTION_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-TILE_ID_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-GPART_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-USER_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-MANDT sy-vline 
WA_FKKINV_CFC_DIA_STR-INVCFCNO sy-vline 
WA_FKKINV_CFC_DIA_STR-APPLK sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCCAT sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCREASON sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCVAL_INVDOC sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCVAL_SRCDOC sy-vline 
WA_FKKINV_CFC_DIA_STR-GPART sy-vline 
WA_FKKINV_CFC_DIA_STR-VKONT sy-vline 
WA_FKKINV_CFC_DIA_STR-MDCAT sy-vline 
WA_FKKINV_CFC_DIA_STR-VTREF sy-vline 
WA_FKKINV_CFC_DIA_STR-SUBAP sy-vline 
WA_FKKINV_CFC_DIA_STR-SRCDOCCAT sy-vline 
WA_FKKINV_CFC_DIA_STR-SRCDOCNO sy-vline 
WA_FKKINV_CFC_DIA_STR-SRCDOCTYPE sy-vline 
WA_FKKINV_CFC_DIA_STR-SRCDOC_CURR sy-vline 
WA_FKKINV_CFC_DIA_STR-SRCDOC_AMOUNT sy-vline 
WA_FKKINV_CFC_DIA_STR-TARGPROCESS sy-vline 
WA_FKKINV_CFC_DIA_STR-INV_PROCESS sy-vline 
WA_FKKINV_CFC_DIA_STR-INVDOCNO sy-vline 
WA_FKKINV_CFC_DIA_STR-INVDOC_CURR sy-vline 
WA_FKKINV_CFC_DIA_STR-INVDOC_AMOUNT sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGID sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGTY sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGNO sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGV1 sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGV2 sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGV3 sy-vline 
WA_FKKINV_CFC_DIA_STR-MSGV4 sy-vline 
WA_FKKINV_CFC_DIA_STR-CRNAME sy-vline 
WA_FKKINV_CFC_DIA_STR-CRDATE sy-vline 
WA_FKKINV_CFC_DIA_STR-CRTIME sy-vline 
WA_FKKINV_CFC_DIA_STR-XAUTOCLAR sy-vline 
WA_FKKINV_CFC_DIA_STR-CLARIFIED sy-vline 
WA_FKKINV_CFC_DIA_STR-CLARIFIED_WORKST sy-vline 
WA_FKKINV_CFC_DIA_STR-STATE sy-vline 
WA_FKKINV_CFC_DIA_STR-LOCK_USER sy-vline 
WA_FKKINV_CFC_DIA_STR-LOCK_LIMIT sy-vline 
WA_FKKINV_CFC_DIA_STR-WORKSTATE sy-vline 
WA_FKKINV_CFC_DIA_STR-RESUBMIT_DATE sy-vline 
WA_FKKINV_CFC_DIA_STR-WF_COUNT sy-vline 
WA_FKKINV_CFC_DIA_STR-LINECOLOR sy-vline 
WA_FKKINV_CFC_DIA_STR-HL_FNAME sy-vline 
WA_FKKINV_CFC_DIA_STR-GPART_DESC sy-vline 
WA_FKKINV_CFC_DIA_STR-VKONT_DESC sy-vline 
WA_FKKINV_CFC_DIA_STR-VTREF_DESC sy-vline 
WA_FKKINV_CFC_DIA_STR-INV_PROCESS_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCCAT_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCREASON_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCVAL_INVDOC_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-CFCVAL_SRCDOC_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-ERROR_TXT sy-vline 
WA_FKKINV_CFC_DIA_STR-SRCDOC_INVDOCNO sy-vline 
WA_FKKINV_CFC_DIA_STR-PRLINV_INVDOCNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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