ABAP Select data from SAP table BUS_OPTIONS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS_OPTIONS
*  INTO TABLE @DATA(IT_BUS_OPTIONS2).
*--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_BUS_OPTIONS INDEX 1 INTO DATA(WA_BUS_OPTIONS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS_OPTIONS>-LOCATOR = 1.
<BUS_OPTIONS>-VISIBLE = 1.
<BUS_OPTIONS>-ACTIVE_TAB = 1.
<BUS_OPTIONS>-SAVE_MODE = 1.
<BUS_OPTIONS>-SAVE_ENABLED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS_OPTIONS-EXIT_TEXT, sy-vline,
  WA_BUS_OPTIONS-DISABLE_NAVIGATION, sy-vline,
  WA_BUS_OPTIONS-DISABLE_ROLE_SWITCHING, sy-vline,
  WA_BUS_OPTIONS-DISABLE_ACTIVITY_SWITCHING, sy-vline,
  WA_BUS_OPTIONS-GROUP_SELECTION_ENABLED, sy-vline,
  WA_BUS_OPTIONS-DIALOG_MODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS_OPTIONS 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_BUS_OPTIONS 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_BUS_OPTIONS INTO WA_BUS_OPTIONS.


*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_BUS_OPTIONS_STR, 
LOCATOR TYPE STRING,
VISIBLE TYPE STRING,
ACTIVE_TAB TYPE STRING,
SAVE_MODE TYPE STRING,
SAVE_ENABLED TYPE STRING,
EXIT_TEXT TYPE STRING,
DISABLE_NAVIGATION TYPE STRING,
DISABLE_ROLE_SWITCHING TYPE STRING,
DISABLE_ACTIVITY_SWITCHING TYPE STRING,
GROUP_SELECTION_ENABLED TYPE STRING,
DIALOG_MODE TYPE STRING,
EXTERNAL_CALL TYPE STRING,
CREATE_SAME_ROLE TYPE STRING,
BUPR_CREATE_NOT_ALLOWED TYPE STRING,
NAVIGATE_ON_FIRST_TAB TYPE STRING,
DISABLE_SUBHEADER TYPE STRING,
SAVE_TO_LEAVE TYPE STRING,
BUPR_MAINTENANCE TYPE STRING,
CREATE_ALLOWED TYPE STRING,
CHANGE_ALLOWED TYPE STRING,
DELETE_ALLOWED TYPE STRING,
EXTERNAL_CALL_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS_OPTIONS_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_BUS_OPTIONS_STR-LOCATOR sy-vline 
WA_BUS_OPTIONS_STR-VISIBLE sy-vline 
WA_BUS_OPTIONS_STR-ACTIVE_TAB sy-vline 
WA_BUS_OPTIONS_STR-SAVE_MODE sy-vline 
WA_BUS_OPTIONS_STR-SAVE_ENABLED sy-vline 
WA_BUS_OPTIONS_STR-EXIT_TEXT sy-vline 
WA_BUS_OPTIONS_STR-DISABLE_NAVIGATION sy-vline 
WA_BUS_OPTIONS_STR-DISABLE_ROLE_SWITCHING sy-vline 
WA_BUS_OPTIONS_STR-DISABLE_ACTIVITY_SWITCHING sy-vline 
WA_BUS_OPTIONS_STR-GROUP_SELECTION_ENABLED sy-vline 
WA_BUS_OPTIONS_STR-DIALOG_MODE sy-vline 
WA_BUS_OPTIONS_STR-EXTERNAL_CALL sy-vline 
WA_BUS_OPTIONS_STR-CREATE_SAME_ROLE sy-vline 
WA_BUS_OPTIONS_STR-BUPR_CREATE_NOT_ALLOWED sy-vline 
WA_BUS_OPTIONS_STR-NAVIGATE_ON_FIRST_TAB sy-vline 
WA_BUS_OPTIONS_STR-DISABLE_SUBHEADER sy-vline 
WA_BUS_OPTIONS_STR-SAVE_TO_LEAVE sy-vline 
WA_BUS_OPTIONS_STR-BUPR_MAINTENANCE sy-vline 
WA_BUS_OPTIONS_STR-CREATE_ALLOWED sy-vline 
WA_BUS_OPTIONS_STR-CHANGE_ALLOWED sy-vline 
WA_BUS_OPTIONS_STR-DELETE_ALLOWED sy-vline 
WA_BUS_OPTIONS_STR-EXTERNAL_CALL_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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