ABAP Select data from SAP table FINS_FI_UH_SET_SELECT_NODE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FINS_FI_UH_SET_SELECT_NODE 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_FI_UH_SET_SELECT_NODE. 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_FI_UH_SET_SELECT_NODE 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_FI_UH_SET_SELECT_NODE TYPE STANDARD TABLE OF FINS_FI_UH_SET_SELECT_NODE,
      WA_FINS_FI_UH_SET_SELECT_NODE TYPE FINS_FI_UH_SET_SELECT_NODE,
      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_FI_UH_SET_SELECT_NODE> TYPE FINS_FI_UH_SET_SELECT_NODE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_FI_UH_SET_SELECT_NODE
*  INTO TABLE @DATA(IT_FINS_FI_UH_SET_SELECT_NODE2).
*--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_FI_UH_SET_SELECT_NODE INDEX 1 INTO DATA(WA_FINS_FI_UH_SET_SELECT_NODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_FI_UH_SET_SELECT_NODE>-SELVALIDFROM = 1.
<FINS_FI_UH_SET_SELECT_NODE>-SELVALIDTO = 1.
<FINS_FI_UH_SET_SELECT_NODE>-SELNODEINPUT = 1.
<FINS_FI_UH_SET_SELECT_NODE>-SELDESCRIPT = 1.
<FINS_FI_UH_SET_SELECT_NODE>-SETCLASS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_FI_UH_SET_SELECT_NODE-CLASSFIELDVALUE, sy-vline,
  WA_FINS_FI_UH_SET_SELECT_NODE-CLASSFIELDNAME, sy-vline,
  WA_FINS_FI_UH_SET_SELECT_NODE-NODETECHID, sy-vline,
  WA_FINS_FI_UH_SET_SELECT_NODE-NODEVALUE, sy-vline,
  WA_FINS_FI_UH_SET_SELECT_NODE-NODETEXT, sy-vline,
  WA_FINS_FI_UH_SET_SELECT_NODE-NODEVALFROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_FI_UH_SET_SELECT_NODE 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_FI_UH_SET_SELECT_NODE 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_FI_UH_SET_SELECT_NODE INTO WA_FINS_FI_UH_SET_SELECT_NODE.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FINS_FI_UH_SET_SELECT_NODE_STR, 
SELVALIDFROM TYPE STRING,
SELVALIDTO TYPE STRING,
SELNODEINPUT TYPE STRING,
SELDESCRIPT TYPE STRING,
SETCLASS TYPE STRING,
CLASSFIELDVALUE TYPE STRING,
CLASSFIELDNAME TYPE STRING,
NODETECHID TYPE STRING,
NODEVALUE TYPE STRING,
NODETEXT TYPE STRING,
NODEVALFROM TYPE STRING,
NODEVALTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_FI_UH_SET_SELECT_NODE_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_FI_UH_SET_SELECT_NODE_STR-SELVALIDFROM sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-SELVALIDTO sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-SELNODEINPUT sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-SELDESCRIPT sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-SETCLASS sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-CLASSFIELDVALUE sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-CLASSFIELDNAME sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-NODETECHID sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-NODEVALUE sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-NODETEXT sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-NODEVALFROM sy-vline 
WA_FINS_FI_UH_SET_SELECT_NODE_STR-NODEVALTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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