ABAP Select data from SAP table FAR_CLI_ITEM_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAR_CLI_ITEM_UPD
*  INTO TABLE @DATA(IT_FAR_CLI_ITEM_UPD2).
*--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_FAR_CLI_ITEM_UPD INDEX 1 INTO DATA(WA_FAR_CLI_ITEM_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAR_CLI_ITEM_UPD>-BUKRS = 1.
<FAR_CLI_ITEM_UPD>-BELNR = 1.
<FAR_CLI_ITEM_UPD>-GJAHR = 1.
<FAR_CLI_ITEM_UPD>-BUZEI = 1.
<FAR_CLI_ITEM_UPD>-MANSP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAR_CLI_ITEM_UPD-ZLSPR, sy-vline,
  WA_FAR_CLI_ITEM_UPD-ZFBDT, sy-vline,
  WA_FAR_CLI_ITEM_UPD-ZBD1T, sy-vline,
  WA_FAR_CLI_ITEM_UPD-ZBD1P, sy-vline,
  WA_FAR_CLI_ITEM_UPD-ZBD2T, sy-vline,
  WA_FAR_CLI_ITEM_UPD-ZBD2P, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAR_CLI_ITEM_UPD 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_FAR_CLI_ITEM_UPD 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_FAR_CLI_ITEM_UPD INTO WA_FAR_CLI_ITEM_UPD.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAR_CLI_ITEM_UPD-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_CLI_ITEM_UPD-GJAHR.
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_FAR_CLI_ITEM_UPD_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
MANSP TYPE STRING,
ZLSPR TYPE STRING,
ZFBDT TYPE STRING,
ZBD1T TYPE STRING,
ZBD1P TYPE STRING,
ZBD2T TYPE STRING,
ZBD2P TYPE STRING,
ZBD3T TYPE STRING,
ZLSCH TYPE STRING,
LAND1 TYPE STRING,
MABER TYPE STRING,
MADAT TYPE STRING,
MANST TYPE STRING,
MSCHL TYPE STRING,
ZUONR TYPE STRING,
SGTXT TYPE STRING,
KOART TYPE STRING,
UMSKZ TYPE STRING,
BSCHL TYPE STRING,
BSTAT TYPE STRING,
MWSKZ TYPE STRING,
NOTE TYPE STRING,
TITLE TYPE STRING,
ETAG TYPE STRING,
FAR_CLI_EEW_DUMMY TYPE STRING,
ZTERM TYPE STRING,
HBKID TYPE STRING,
BVTYP TYPE STRING,
RSTGR TYPE STRING,
CESSION_KZ TYPE STRING,
CD_DAYS_NET TYPE STRING,
CD_DAYS_1 TYPE STRING,
CD_DAYS_2 TYPE STRING,
BK_ACC_TYPE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAR_CLI_ITEM_UPD_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_FAR_CLI_ITEM_UPD_STR-BUKRS sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-BELNR sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-GJAHR sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-BUZEI sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-MANSP sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZLSPR sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZFBDT sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZBD1T sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZBD1P sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZBD2T sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZBD2P sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZBD3T sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZLSCH sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-LAND1 sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-MABER sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-MADAT sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-MANST sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-MSCHL sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZUONR sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-SGTXT sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-KOART sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-UMSKZ sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-BSCHL sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-BSTAT sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-MWSKZ sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-NOTE sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-TITLE sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ETAG sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-FAR_CLI_EEW_DUMMY sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-ZTERM sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-HBKID sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-BVTYP sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-RSTGR sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-CESSION_KZ sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-CD_DAYS_NET sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-CD_DAYS_1 sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-CD_DAYS_2 sy-vline 
WA_FAR_CLI_ITEM_UPD_STR-BK_ACC_TYPE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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