ABAP Select data from SAP table /SCF/XTBTN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCF/XTBTN 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 /SCF/XTBTN. 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 /SCF/XTBTN 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_/SCF/XTBTN TYPE STANDARD TABLE OF /SCF/XTBTN,
      WA_/SCF/XTBTN TYPE /SCF/XTBTN,
      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: </SCF/XTBTN> TYPE /SCF/XTBTN.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCF/XTBTN
  INTO TABLE IT_/SCF/XTBTN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCF/XTBTN
*  INTO TABLE @DATA(IT_/SCF/XTBTN2).
*--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_/SCF/XTBTN INDEX 1 INTO DATA(WA_/SCF/XTBTN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCF/XTBTN ASSIGNING </SCF/XTBTN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCF/XTBTN>-MANDT = 1.
</SCF/XTBTN>-APPID = 1.
</SCF/XTBTN>-SCRID = 1.
</SCF/XTBTN>-CMPTID = 1.
</SCF/XTBTN>-BTNID = 1.

ENDLOOP.

LOOP AT IT_/SCF/XTBTN INTO WA_/SCF/XTBTN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCF/XTBTN-GROUPID, sy-vline,
  WA_/SCF/XTBTN-BTNSEQU, sy-vline,
  WA_/SCF/XTBTN-EVENTID, sy-vline,
  WA_/SCF/XTBTN-BTNDEFTEXT, sy-vline,
  WA_/SCF/XTBTN-BTNDFTTIP, sy-vline,
  WA_/SCF/XTBTN-BTNPOPUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCF/XTBTN 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_/SCF/XTBTN 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_/SCF/XTBTN INTO WA_/SCF/XTBTN.


*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_/SCF/XTBTN_STR, 
MANDT TYPE STRING,
APPID TYPE STRING,
SCRID TYPE STRING,
CMPTID TYPE STRING,
BTNID TYPE STRING,
GROUPID TYPE STRING,
BTNSEQU TYPE STRING,
EVENTID TYPE STRING,
BTNDEFTEXT TYPE STRING,
BTNDFTTIP TYPE STRING,
BTNPOPUP TYPE STRING,
SHOWALWAYS TYPE STRING,
BTNFUNC TYPE STRING,
ACTIVITY TYPE STRING,
SWITCHID TYPE STRING,
SHOWHIDE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCF/XTBTN_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_/SCF/XTBTN_STR-MANDT sy-vline 
WA_/SCF/XTBTN_STR-APPID sy-vline 
WA_/SCF/XTBTN_STR-SCRID sy-vline 
WA_/SCF/XTBTN_STR-CMPTID sy-vline 
WA_/SCF/XTBTN_STR-BTNID sy-vline 
WA_/SCF/XTBTN_STR-GROUPID sy-vline 
WA_/SCF/XTBTN_STR-BTNSEQU sy-vline 
WA_/SCF/XTBTN_STR-EVENTID sy-vline 
WA_/SCF/XTBTN_STR-BTNDEFTEXT sy-vline 
WA_/SCF/XTBTN_STR-BTNDFTTIP sy-vline 
WA_/SCF/XTBTN_STR-BTNPOPUP sy-vline 
WA_/SCF/XTBTN_STR-SHOWALWAYS sy-vline 
WA_/SCF/XTBTN_STR-BTNFUNC sy-vline 
WA_/SCF/XTBTN_STR-ACTIVITY sy-vline 
WA_/SCF/XTBTN_STR-SWITCHID sy-vline 
WA_/SCF/XTBTN_STR-SHOWHIDE sy-vline      INTO ld_text SEPARATED BY SPACE.

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