ABAP Select data from SAP table FINS_CFIN_S_AV_PO_ITEM_K 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_PO_ITEM_K 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_PO_ITEM_K. 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_PO_ITEM_K 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_PO_ITEM_K TYPE STANDARD TABLE OF FINS_CFIN_S_AV_PO_ITEM_K,
      WA_FINS_CFIN_S_AV_PO_ITEM_K TYPE FINS_CFIN_S_AV_PO_ITEM_K,
      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_PO_ITEM_K> TYPE FINS_CFIN_S_AV_PO_ITEM_K.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_CFIN_S_AV_PO_ITEM_K
*  INTO TABLE @DATA(IT_FINS_CFIN_S_AV_PO_ITEM_K2).
*--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_PO_ITEM_K INDEX 1 INTO DATA(WA_FINS_CFIN_S_AV_PO_ITEM_K2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_CFIN_S_AV_PO_ITEM_K>-KEY = 1.
<FINS_CFIN_S_AV_PO_ITEM_K>-PARENT_KEY = 1.
<FINS_CFIN_S_AV_PO_ITEM_K>-ROOT_KEY = 1.
<FINS_CFIN_S_AV_PO_ITEM_K>-FINS_LOGSYS = 1.
<FINS_CFIN_S_AV_PO_ITEM_K>-EBELN = 1.

ENDLOOP.

LOOP AT IT_FINS_CFIN_S_AV_PO_ITEM_K INTO WA_FINS_CFIN_S_AV_PO_ITEM_K.
*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_PO_ITEM_K-EBELP, sy-vline,
  WA_FINS_CFIN_S_AV_PO_ITEM_K-LOEKZ, sy-vline,
  WA_FINS_CFIN_S_AV_PO_ITEM_K-AEDAT, sy-vline,
  WA_FINS_CFIN_S_AV_PO_ITEM_K-TXZ01, sy-vline,
  WA_FINS_CFIN_S_AV_PO_ITEM_K-MATNR, sy-vline,
  WA_FINS_CFIN_S_AV_PO_ITEM_K-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_CFIN_S_AV_PO_ITEM_K 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_PO_ITEM_K 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_PO_ITEM_K INTO WA_FINS_CFIN_S_AV_PO_ITEM_K.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_AV_PO_ITEM_K-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_AV_PO_ITEM_K-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_AV_PO_ITEM_K-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_AV_PO_ITEM_K-FIPOS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_AV_PO_ITEM_K-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_AV_PO_ITEM_K-GRANT_NBR.
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_PO_ITEM_K_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
FINS_LOGSYS TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
LOEKZ TYPE STRING,
AEDAT TYPE STRING,
TXZ01 TYPE STRING,
MATNR TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
MATKL TYPE STRING,
KTMNG TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
BPRME TYPE STRING,
BPUMZ TYPE STRING,
BPUMN TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
NETPR TYPE STRING,
PEINH TYPE STRING,
NETWR TYPE STRING,
MWSKZ TYPE STRING,
BWTAR TYPE STRING,
ELIKZ TYPE STRING,
EREKZ TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
KZVBR TYPE STRING,
VRTKZ TYPE STRING,
TWRKZ TYPE STRING,
WEPOS TYPE STRING,
WEUNB TYPE STRING,
REPOS TYPE STRING,
WEBRE TYPE STRING,
LMEIN TYPE STRING,
NAVNW TYPE STRING,
BSTYP TYPE STRING,
XOBLR TYPE STRING,
TXJCD TYPE STRING,
SOBKZ TYPE STRING,
GEBER TYPE STRING,
FISTL TYPE STRING,
FIPOS TYPE STRING,
KO_PRCTR TYPE STRING,
KO_GSBER TYPE STRING,
PACKNO TYPE STRING,
STAPO TYPE STRING,
XERSY TYPE STRING,
MTART TYPE STRING,
RETPO TYPE STRING,
KZBWS TYPE STRING,
LEBRE TYPE STRING,
CCOMP TYPE STRING,
GRANT_NBR TYPE STRING,
FKBER TYPE STRING,
SRV_BAS_COM TYPE STRING,
BUDGET_PD TYPE STRING,
PRODUCTTYPE TYPE STRING,
AFNAM TYPE STRING,
DUMMY_AVPOITM_INCL_EEW_PS TYPE STRING,
TOBEDELETED TYPE STRING,
ISEXPIRED TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
WAERS_FROM_ROOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_CFIN_S_AV_PO_ITEM_K_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_PO_ITEM_K_STR-KEY sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-PARENT_KEY sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-ROOT_KEY sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-FINS_LOGSYS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-EBELN sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-EBELP sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-LOEKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-AEDAT sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-TXZ01 sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-MATNR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BUKRS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-WERKS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-MATKL sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-KTMNG sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-MENGE sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-MEINS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BPRME sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BPUMZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BPUMN sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-UMREZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-UMREN sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-NETPR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-PEINH sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-NETWR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-MWSKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BWTAR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-ELIKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-EREKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-PSTYP sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-KNTTP sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-KZVBR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-VRTKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-TWRKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-WEPOS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-WEUNB sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-REPOS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-WEBRE sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-LMEIN sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-NAVNW sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BSTYP sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-XOBLR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-TXJCD sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-SOBKZ sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-GEBER sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-FISTL sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-FIPOS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-KO_PRCTR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-KO_GSBER sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-PACKNO sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-STAPO sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-XERSY sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-MTART sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-RETPO sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-KZBWS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-LEBRE sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-CCOMP sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-GRANT_NBR sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-FKBER sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-SRV_BAS_COM sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-BUDGET_PD sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-PRODUCTTYPE sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-AFNAM sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-DUMMY_AVPOITM_INCL_EEW_PS sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-TOBEDELETED sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-ISEXPIRED sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-LASTCHANGEDATETIME sy-vline 
WA_FINS_CFIN_S_AV_PO_ITEM_K_STR-WAERS_FROM_ROOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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