ABAP Select data from SAP table ESH_S_MU_S0_CONTROL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ESH_S_MU_S0_CONTROL 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 ESH_S_MU_S0_CONTROL. 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 ESH_S_MU_S0_CONTROL 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_ESH_S_MU_S0_CONTROL TYPE STANDARD TABLE OF ESH_S_MU_S0_CONTROL,
      WA_ESH_S_MU_S0_CONTROL TYPE ESH_S_MU_S0_CONTROL,
      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: <ESH_S_MU_S0_CONTROL> TYPE ESH_S_MU_S0_CONTROL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ESH_S_MU_S0_CONTROL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ESH_S_MU_S0_CONTROL
  INTO TABLE IT_ESH_S_MU_S0_CONTROL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_S_MU_S0_CONTROL
*  INTO TABLE @DATA(IT_ESH_S_MU_S0_CONTROL2).
*--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_ESH_S_MU_S0_CONTROL INDEX 1 INTO DATA(WA_ESH_S_MU_S0_CONTROL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ESH_S_MU_S0_CONTROL ASSIGNING <ESH_S_MU_S0_CONTROL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_S_MU_S0_CONTROL>-ADD_GROUP_ENABLED = 1.
<ESH_S_MU_S0_CONTROL>-DEL_GROUP_ENABLED = 1.
<ESH_S_MU_S0_CONTROL>-TRANSPORT_GROUP_ENABLED = 1.
<ESH_S_MU_S0_CONTROL>-TRANSPORT_GROUP_VISIBLE = 1.
<ESH_S_MU_S0_CONTROL>-IMPORT_ENABLED = 1.

ENDLOOP.

LOOP AT IT_ESH_S_MU_S0_CONTROL INTO WA_ESH_S_MU_S0_CONTROL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_S_MU_S0_CONTROL-IMPORT_SWC_ENABLED, sy-vline,
  WA_ESH_S_MU_S0_CONTROL-IMPORT_FILE_ENABLED, sy-vline,
  WA_ESH_S_MU_S0_CONTROL-CREATE_BO_ENABLED, sy-vline,
  WA_ESH_S_MU_S0_CONTROL-IMPORT_VISIBLE, sy-vline,
  WA_ESH_S_MU_S0_CONTROL-CREATE_BO_VISIBLE, sy-vline,
  WA_ESH_S_MU_S0_CONTROL-COPY_BO_ENABLED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_S_MU_S0_CONTROL 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_ESH_S_MU_S0_CONTROL 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_ESH_S_MU_S0_CONTROL INTO WA_ESH_S_MU_S0_CONTROL.


*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 ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_S_MU_S0_CONTROL-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_S_MU_S0_CONTROL-LANGUAGE.
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_ESH_S_MU_S0_CONTROL_STR, 
ADD_GROUP_ENABLED TYPE STRING,
DEL_GROUP_ENABLED TYPE STRING,
TRANSPORT_GROUP_ENABLED TYPE STRING,
TRANSPORT_GROUP_VISIBLE TYPE STRING,
IMPORT_ENABLED TYPE STRING,
IMPORT_SWC_ENABLED TYPE STRING,
IMPORT_FILE_ENABLED TYPE STRING,
CREATE_BO_ENABLED TYPE STRING,
IMPORT_VISIBLE TYPE STRING,
CREATE_BO_VISIBLE TYPE STRING,
COPY_BO_ENABLED TYPE STRING,
DISPLAY_BO_ENABLED TYPE STRING,
EDIT_BO_ENABLED TYPE STRING,
DELETE_BO_ENABLED TYPE STRING,
CHECK_BO_VISIBLE TYPE STRING,
CHECK_BO_ENABLED TYPE STRING,
DISPLAY_MODE TYPE STRING,
CHANGE_MODE TYPE STRING,
MODELING_MODE TYPE STRING,
MODELING_VISIBLE TYPE STRING,
REPOSITORY TYPE STRING,
IS_GROUP_VISIBLE TYPE STRING,
LANGUAGE TYPE STRING,
CREATE_CONN_ENABLED TYPE STRING,
SHOW_AUTH_TEMPL TYPE STRING,
AT_FILTER_VISIBLE TYPE STRING,
PRODVERS_POPUP_ENABLED TYPE STRING,
IMPORT_MODEL_VISIBLE TYPE STRING,
IMPORT_MODEL_ENABLED TYPE STRING,
INCLUDE_SWC_ENABLED TYPE STRING,
CONFLICT_HANDLING_ENABLED TYPE STRING,
BACKEND_NAME_VISIBLE TYPE STRING,
BUTTON_SWITCH_VISIBLE TYPE STRING,
BUTTON_SWITCH_ENABLED TYPE STRING,
CREATE_CLF_TEMPL_VISIBLE TYPE STRING,
CREATE_CLF_TEMPL_ENABLED TYPE STRING,
COCKPIT_LINK_VISIBLE TYPE STRING,
FINDTERM TYPE STRING,
FIRST_VISIBLE_ROW TYPE STRING,
EXPORT_FILE_ENABLED TYPE STRING,
MODELVIEWER_VISIBLE TYPE STRING,
ACTION_QUALITY_CHECK_VISIBLE TYPE STRING,
VERSION_MANAGEMENT_VISIBLE TYPE STRING,
UPLOAD_MDATA_FILE_ENABLED TYPE STRING,
ACTION_DB_TABLES_ENABLED TYPE STRING,
TRANSPORT_REQUESTS_ENABLED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_S_MU_S0_CONTROL_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_ESH_S_MU_S0_CONTROL_STR-ADD_GROUP_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-DEL_GROUP_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-TRANSPORT_GROUP_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-TRANSPORT_GROUP_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IMPORT_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IMPORT_SWC_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IMPORT_FILE_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CREATE_BO_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IMPORT_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CREATE_BO_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-COPY_BO_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-DISPLAY_BO_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-EDIT_BO_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-DELETE_BO_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CHECK_BO_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CHECK_BO_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-DISPLAY_MODE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CHANGE_MODE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-MODELING_MODE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-MODELING_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-REPOSITORY sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IS_GROUP_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-LANGUAGE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CREATE_CONN_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-SHOW_AUTH_TEMPL sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-AT_FILTER_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-PRODVERS_POPUP_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IMPORT_MODEL_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-IMPORT_MODEL_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-INCLUDE_SWC_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CONFLICT_HANDLING_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-BACKEND_NAME_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-BUTTON_SWITCH_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-BUTTON_SWITCH_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CREATE_CLF_TEMPL_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-CREATE_CLF_TEMPL_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-COCKPIT_LINK_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-FINDTERM sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-FIRST_VISIBLE_ROW sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-EXPORT_FILE_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-MODELVIEWER_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-ACTION_QUALITY_CHECK_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-VERSION_MANAGEMENT_VISIBLE sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-UPLOAD_MDATA_FILE_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-ACTION_DB_TABLES_ENABLED sy-vline 
WA_ESH_S_MU_S0_CONTROL_STR-TRANSPORT_REQUESTS_ENABLED sy-vline      INTO ld_text SEPARATED BY SPACE.

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