ABAP Select data from SAP table UCF_S_COI_TRANSFER_KEY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCF_S_COI_TRANSFER_KEY
*  INTO TABLE @DATA(IT_UCF_S_COI_TRANSFER_KEY2).
*--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_UCF_S_COI_TRANSFER_KEY INDEX 1 INTO DATA(WA_UCF_S_COI_TRANSFER_KEY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCF_S_COI_TRANSFER_KEY>-INCLUDEREPUNIT = 1.
<UCF_S_COI_TRANSFER_KEY>-DUMMY = 1.
<UCF_S_COI_TRANSFER_KEY>-INCLUDEPARTNER = 1.
<UCF_S_COI_TRANSFER_KEY>-DUMMY = 1.
<UCF_S_COI_TRANSFER_KEY>-INCLUDEINVESTEE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCF_S_COI_TRANSFER_KEY-DUMMY, sy-vline,
  WA_UCF_S_COI_TRANSFER_KEY-FISCYEAR, sy-vline,
  WA_UCF_S_COI_TRANSFER_KEY-FISCPERIOD, sy-vline,
  WA_UCF_S_COI_TRANSFER_KEY-COIAC, sy-vline,
  WA_UCF_S_COI_TRANSFER_KEY-COINR, sy-vline,
  WA_UCF_S_COI_TRANSFER_KEY-INCLUDEGCVAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCF_S_COI_TRANSFER_KEY 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_UCF_S_COI_TRANSFER_KEY 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_UCF_S_COI_TRANSFER_KEY INTO WA_UCF_S_COI_TRANSFER_KEY.


*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 FISCYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_UCF_S_COI_TRANSFER_KEY-FISCYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UCF_S_COI_TRANSFER_KEY-FISCYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COINR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UCF_S_COI_TRANSFER_KEY-COINR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UCF_S_COI_TRANSFER_KEY-COINR.
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_UCF_S_COI_TRANSFER_KEY_STR, 
INCLUDEREPUNIT TYPE STRING,
DUMMY TYPE STRING,
INCLUDEPARTNER TYPE STRING,
DUMMY TYPE STRING,
INCLUDEINVESTEE TYPE STRING,
DUMMY TYPE STRING,
FISCYEAR TYPE STRING,
FISCPERIOD TYPE STRING,
COIAC TYPE STRING,
COINR TYPE STRING,
INCLUDEGCVAL TYPE STRING,
DUMMY TYPE STRING,
INCLUDEPCNT1 TYPE STRING,
DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCF_S_COI_TRANSFER_KEY_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_UCF_S_COI_TRANSFER_KEY_STR-INCLUDEREPUNIT sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-DUMMY sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-INCLUDEPARTNER sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-DUMMY sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-INCLUDEINVESTEE sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-DUMMY sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-FISCYEAR sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-FISCPERIOD sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-COIAC sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-COINR sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-INCLUDEGCVAL sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-DUMMY sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-INCLUDEPCNT1 sy-vline 
WA_UCF_S_COI_TRANSFER_KEY_STR-DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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