ABAP Select data from SAP table FINS_CFIN_S_ACDOC_ITEM 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_ACDOC_ITEM 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_ACDOC_ITEM. 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_ACDOC_ITEM 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_ACDOC_ITEM TYPE STANDARD TABLE OF FINS_CFIN_S_ACDOC_ITEM,
      WA_FINS_CFIN_S_ACDOC_ITEM TYPE FINS_CFIN_S_ACDOC_ITEM,
      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_ACDOC_ITEM> TYPE FINS_CFIN_S_ACDOC_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_CFIN_S_ACDOC_ITEM
*  INTO TABLE @DATA(IT_FINS_CFIN_S_ACDOC_ITEM2).
*--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_ACDOC_ITEM INDEX 1 INTO DATA(WA_FINS_CFIN_S_ACDOC_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_CFIN_S_ACDOC_ITEM>-BUKRS = 1.
<FINS_CFIN_S_ACDOC_ITEM>-GJAHR = 1.
<FINS_CFIN_S_ACDOC_ITEM>-BUZEI = 1.
<FINS_CFIN_S_ACDOC_ITEM>-BSCHL = 1.
<FINS_CFIN_S_ACDOC_ITEM>-DMBTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_CFIN_S_ACDOC_ITEM-CURRKEY_10, sy-vline,
  WA_FINS_CFIN_S_ACDOC_ITEM-WRBTR, sy-vline,
  WA_FINS_CFIN_S_ACDOC_ITEM-WAERS, sy-vline,
  WA_FINS_CFIN_S_ACDOC_ITEM-SHKZG, sy-vline,
  WA_FINS_CFIN_S_ACDOC_ITEM-MWSKZ, sy-vline,
  WA_FINS_CFIN_S_ACDOC_ITEM-UMSKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_CFIN_S_ACDOC_ITEM 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_ACDOC_ITEM 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_ACDOC_ITEM INTO WA_FINS_CFIN_S_ACDOC_ITEM.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_ACDOC_ITEM-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_ACDOC_ITEM-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_ACDOC_ITEM-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_ACDOC_ITEM-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_ACDOC_ITEM-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_ACDOC_ITEM-WRBTR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR_SENDER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_S_ACDOC_ITEM-GJAHR_SENDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_S_ACDOC_ITEM-GJAHR_SENDER.
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_ACDOC_ITEM_STR, 
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
BSCHL TYPE STRING,
DMBTR TYPE STRING,
CURRKEY_10 TYPE STRING,
WRBTR TYPE STRING,
WAERS TYPE STRING,
SHKZG TYPE STRING,
MWSKZ TYPE STRING,
UMSKZ TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
PRCTR TYPE STRING,
KOART TYPE STRING,
KTOPL TYPE STRING,
HKONT TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
LOGSYSTEM_SENDER TYPE STRING,
BUKRS_SENDER TYPE STRING,
BELNR_SENDER TYPE STRING,
GJAHR_SENDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_CFIN_S_ACDOC_ITEM_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_ACDOC_ITEM_STR-BUKRS sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-GJAHR sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-BUZEI sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-BSCHL sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-DMBTR sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-CURRKEY_10 sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-WRBTR sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-WAERS sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-SHKZG sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-MWSKZ sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-UMSKZ sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-KOKRS sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-KOSTL sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-PRCTR sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-KOART sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-KTOPL sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-HKONT sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-KUNNR sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-LIFNR sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-LOGSYSTEM_SENDER sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-BUKRS_SENDER sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-BELNR_SENDER sy-vline 
WA_FINS_CFIN_S_ACDOC_ITEM_STR-GJAHR_SENDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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