ABAP Select data from SAP table CATSXT_TOGGLES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CATSXT_TOGGLES
*  INTO TABLE @DATA(IT_CATSXT_TOGGLES2).
*--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_CATSXT_TOGGLES INDEX 1 INTO DATA(WA_CATSXT_TOGGLES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CATSXT_TOGGLES>-SUBSCR01 = 1.
<CATSXT_TOGGLES>-SUBSCR02 = 1.
<CATSXT_TOGGLES>-SUBSCR03 = 1.
<CATSXT_TOGGLES>-SUBSCR04 = 1.
<CATSXT_TOGGLES>-SUBSCR05 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CATSXT_TOGGLES-SUBSCR06, sy-vline,
  WA_CATSXT_TOGGLES-SUBSCR07, sy-vline,
  WA_CATSXT_TOGGLES-SUBSCR08, sy-vline,
  WA_CATSXT_TOGGLES-SUBSCR09, sy-vline,
  WA_CATSXT_TOGGLES-SUBSCR10, sy-vline,
  WA_CATSXT_TOGGLES-SUBSCR11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CATSXT_TOGGLES 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_CATSXT_TOGGLES 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_CATSXT_TOGGLES INTO WA_CATSXT_TOGGLES.


*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_CATSXT_TOGGLES_STR, 
SUBSCR01 TYPE STRING,
SUBSCR02 TYPE STRING,
SUBSCR03 TYPE STRING,
SUBSCR04 TYPE STRING,
SUBSCR05 TYPE STRING,
SUBSCR06 TYPE STRING,
SUBSCR07 TYPE STRING,
SUBSCR08 TYPE STRING,
SUBSCR09 TYPE STRING,
SUBSCR10 TYPE STRING,
SUBSCR11 TYPE STRING,
SUBSCR12 TYPE STRING,
SUBSCR13 TYPE STRING,
SUBSCR14 TYPE STRING,
SUBSCR15 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CATSXT_TOGGLES_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_CATSXT_TOGGLES_STR-SUBSCR01 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR02 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR03 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR04 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR05 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR06 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR07 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR08 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR09 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR10 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR11 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR12 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR13 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR14 sy-vline 
WA_CATSXT_TOGGLES_STR-SUBSCR15 sy-vline      INTO ld_text SEPARATED BY SPACE.

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