ABAP Select data from SAP table FICA_S_MDT_TREE_TRANSFER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FICA_S_MDT_TREE_TRANSFER
*  INTO TABLE @DATA(IT_FICA_S_MDT_TREE_TRANSFER2).
*--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_FICA_S_MDT_TREE_TRANSFER INDEX 1 INTO DATA(WA_FICA_S_MDT_TREE_TRANSFER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FICA_S_MDT_TREE_TRANSFER>-APPLK = 1.
<FICA_S_MDT_TREE_TRANSFER>-SOURCE_LEVEL = 1.
<FICA_S_MDT_TREE_TRANSFER>-SOURCE_NODE = 1.
<FICA_S_MDT_TREE_TRANSFER>-NODE_KEY = 1.
<FICA_S_MDT_TREE_TRANSFER>-RELATKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FICA_S_MDT_TREE_TRANSFER-RELATSHIP, sy-vline,
  WA_FICA_S_MDT_TREE_TRANSFER-HIDDEN, sy-vline,
  WA_FICA_S_MDT_TREE_TRANSFER-DISABLED, sy-vline,
  WA_FICA_S_MDT_TREE_TRANSFER-ISFOLDER, sy-vline,
  WA_FICA_S_MDT_TREE_TRANSFER-N_IMAGE, sy-vline,
  WA_FICA_S_MDT_TREE_TRANSFER-EXP_IMAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FICA_S_MDT_TREE_TRANSFER 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_FICA_S_MDT_TREE_TRANSFER 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_FICA_S_MDT_TREE_TRANSFER INTO WA_FICA_S_MDT_TREE_TRANSFER.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field TARGET_VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FICA_S_MDT_TREE_TRANSFER-TARGET_VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FICA_S_MDT_TREE_TRANSFER-TARGET_VTREF.
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_FICA_S_MDT_TREE_TRANSFER_STR, 
APPLK TYPE STRING,
SOURCE_LEVEL TYPE STRING,
SOURCE_NODE TYPE STRING,
NODE_KEY TYPE STRING,
RELATKEY TYPE STRING,
RELATSHIP TYPE STRING,
HIDDEN TYPE STRING,
DISABLED TYPE STRING,
ISFOLDER TYPE STRING,
N_IMAGE TYPE STRING,
EXP_IMAGE TYPE STRING,
STYLE TYPE STRING,
LAST_HITEM TYPE STRING,
NO_BRANCH TYPE STRING,
EXPANDER TYPE STRING,
DRAGDROPID TYPE STRING,
SOURCE_GPART TYPE STRING,
SOURCE_VKONT TYPE STRING,
SOURCE_VTREF TYPE STRING,
SOURCE_SUBAP TYPE STRING,
SOURCE_GPART_DATA TYPE STRING,
SOURCE_NAME TYPE STRING,
TARGET_NODE TYPE STRING,
NODE_KEY TYPE STRING,
RELATKEY TYPE STRING,
RELATSHIP TYPE STRING,
HIDDEN TYPE STRING,
DISABLED TYPE STRING,
ISFOLDER TYPE STRING,
N_IMAGE TYPE STRING,
EXP_IMAGE TYPE STRING,
STYLE TYPE STRING,
LAST_HITEM TYPE STRING,
NO_BRANCH TYPE STRING,
EXPANDER TYPE STRING,
DRAGDROPID TYPE STRING,
TARGET_GPART TYPE STRING,
TARGET_VKONT TYPE STRING,
TARGET_VTREF TYPE STRING,
TARGET_SUBAP TYPE STRING,
TARGET_NEW TYPE STRING,
TARGET_GPART_DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FICA_S_MDT_TREE_TRANSFER_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_FICA_S_MDT_TREE_TRANSFER_STR-APPLK sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_LEVEL sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_NODE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-NODE_KEY sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-RELATKEY sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-RELATSHIP sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-HIDDEN sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-DISABLED sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-ISFOLDER sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-N_IMAGE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-EXP_IMAGE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-STYLE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-LAST_HITEM sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-NO_BRANCH sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-EXPANDER sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-DRAGDROPID sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_GPART sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_VKONT sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_VTREF sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_SUBAP sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_GPART_DATA sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-SOURCE_NAME sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_NODE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-NODE_KEY sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-RELATKEY sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-RELATSHIP sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-HIDDEN sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-DISABLED sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-ISFOLDER sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-N_IMAGE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-EXP_IMAGE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-STYLE sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-LAST_HITEM sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-NO_BRANCH sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-EXPANDER sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-DRAGDROPID sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_GPART sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_VKONT sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_VTREF sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_SUBAP sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_NEW sy-vline 
WA_FICA_S_MDT_TREE_TRANSFER_STR-TARGET_GPART_DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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