ABAP Select data from SAP table FINS_CFIN_S_AV_KONV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_CFIN_S_AV_KONV
*  INTO TABLE @DATA(IT_FINS_CFIN_S_AV_KONV2).
*--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_FINS_CFIN_S_AV_KONV INDEX 1 INTO DATA(WA_FINS_CFIN_S_AV_KONV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_CFIN_S_AV_KONV>-MANDT = 1.
<FINS_CFIN_S_AV_KONV>-KNUMV = 1.
<FINS_CFIN_S_AV_KONV>-KPOSN = 1.
<FINS_CFIN_S_AV_KONV>-STUNR = 1.
<FINS_CFIN_S_AV_KONV>-ZAEHK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_CFIN_S_AV_KONV-KAPPL, sy-vline,
  WA_FINS_CFIN_S_AV_KONV-KSCHL, sy-vline,
  WA_FINS_CFIN_S_AV_KONV-KDATU, sy-vline,
  WA_FINS_CFIN_S_AV_KONV-KRECH, sy-vline,
  WA_FINS_CFIN_S_AV_KONV-KAWRT, sy-vline,
  WA_FINS_CFIN_S_AV_KONV-KBETR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_CFIN_S_AV_KONV 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_FINS_CFIN_S_AV_KONV 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_FINS_CFIN_S_AV_KONV INTO WA_FINS_CFIN_S_AV_KONV.


*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 EXCRT, internal->external for field KKURS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_AV_KONV-KKURS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_AV_KONV-KKURS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_AV_KONV-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_AV_KONV-KMEIN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field KONMS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_AV_KONV-KONMS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_AV_KONV-KONMS.
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_FINS_CFIN_S_AV_KONV_STR, 
MANDT TYPE STRING,
KNUMV TYPE STRING,
KPOSN TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
KDATU TYPE STRING,
KRECH TYPE STRING,
KAWRT TYPE STRING,
KBETR TYPE STRING,
WAERS TYPE STRING,
KKURS TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KUMZA TYPE STRING,
KUMNE TYPE STRING,
KNTYP TYPE STRING,
KSTAT TYPE STRING,
KNPRS TYPE STRING,
KRUEK TYPE STRING,
KRELI TYPE STRING,
KHERK TYPE STRING,
KGRPE TYPE STRING,
KOUPD TYPE STRING,
KOLNR TYPE STRING,
KNUMH TYPE STRING,
KOPOS TYPE STRING,
MWSK1 TYPE STRING,
MWSK2 TYPE STRING,
KUNNR TYPE STRING,
KDIFF TYPE STRING,
KWERT TYPE STRING,
KSTEU TYPE STRING,
KINAK TYPE STRING,
KOAID TYPE STRING,
ZAEKO TYPE STRING,
KMXAW TYPE STRING,
KMXWR TYPE STRING,
KFAKTOR TYPE STRING,
KDUPL TYPE STRING,
KFAKTOR1 TYPE STRING,
KZBZG TYPE STRING,
KSTBS TYPE STRING,
KONMS TYPE STRING,
KONWS TYPE STRING,
KAWRT_K TYPE STRING,
KWAEH TYPE STRING,
KWERT_K TYPE STRING,
KFKIV TYPE STRING,
KVARC TYPE STRING,
KMPRS TYPE STRING,
PRSQU TYPE STRING,
VARCOND TYPE STRING,
KTREL TYPE STRING,
MDFLG TYPE STRING,
TXJLV TYPE STRING,
KOLNR3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_CFIN_S_AV_KONV_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_FINS_CFIN_S_AV_KONV_STR-MANDT sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KNUMV sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KPOSN sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-STUNR sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-ZAEHK sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KAPPL sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KSCHL sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KDATU sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KRECH sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KAWRT sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KBETR sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-WAERS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KKURS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KPEIN sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KMEIN sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KUMZA sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KUMNE sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KNTYP sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KSTAT sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KNPRS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KRUEK sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KRELI sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KHERK sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KGRPE sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KOUPD sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KOLNR sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KNUMH sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KOPOS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-MWSK1 sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-MWSK2 sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KUNNR sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KDIFF sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KWERT sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KSTEU sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KINAK sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KOAID sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-ZAEKO sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KMXAW sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KMXWR sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KFAKTOR sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KDUPL sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KFAKTOR1 sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KZBZG sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KSTBS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KONMS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KONWS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KAWRT_K sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KWAEH sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KWERT_K sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KFKIV sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KVARC sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KMPRS sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-PRSQU sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-VARCOND sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KTREL sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-MDFLG sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-TXJLV sy-vline 
WA_FINS_CFIN_S_AV_KONV_STR-KOLNR3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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