ABAP Select data from SAP table /CFG/SSCUI into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CFG/SSCUI 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 /CFG/SSCUI. 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 /CFG/SSCUI 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_/CFG/SSCUI TYPE STANDARD TABLE OF /CFG/SSCUI,
      WA_/CFG/SSCUI TYPE /CFG/SSCUI,
      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: </CFG/SSCUI> TYPE /CFG/SSCUI.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CFG/SSCUI
*  INTO TABLE @DATA(IT_/CFG/SSCUI2).
*--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_/CFG/SSCUI INDEX 1 INTO DATA(WA_/CFG/SSCUI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CFG/SSCUI>-SSCUI_ID = 1.
</CFG/SSCUI>-CONTEXT = 1.
</CFG/SSCUI>-VERSION = 1.
</CFG/SSCUI>-MODIFIER = 1.
</CFG/SSCUI>-VERSION_STATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CFG/SSCUI-SSCUI_TYPE, sy-vline,
  WA_/CFG/SSCUI-LOGICAL_TYPE, sy-vline,
  WA_/CFG/SSCUI-CFGE_ID, sy-vline,
  WA_/CFG/SSCUI-UI_REFERENCE, sy-vline,
  WA_/CFG/SSCUI-SEMANTIC_ACTION, sy-vline,
  WA_/CFG/SSCUI-SEMANTIC_OBJECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CFG/SSCUI 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_/CFG/SSCUI 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_/CFG/SSCUI INTO WA_/CFG/SSCUI.


*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 TSTLC, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CFG/SSCUI-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CFG/SSCUI-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/CFG/SSCUI-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CFG/SSCUI-CHANGED_AT.
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_/CFG/SSCUI_STR, 
SSCUI_ID TYPE STRING,
CONTEXT TYPE STRING,
VERSION TYPE STRING,
MODIFIER TYPE STRING,
VERSION_STATE TYPE STRING,
SSCUI_TYPE TYPE STRING,
LOGICAL_TYPE TYPE STRING,
CFGE_ID TYPE STRING,
UI_REFERENCE TYPE STRING,
SEMANTIC_ACTION TYPE STRING,
SEMANTIC_OBJECT TYPE STRING,
SERVICE_NAME TYPE STRING,
TRANSACTION_CODE TYPE STRING,
IMG_GUI_ID TYPE STRING,
REPORT_NAME TYPE STRING,
APP_AREA TYPE STRING,
SSCUI_SEQUENCE TYPE STRING,
DOCUMENTATION_ID TYPE STRING,
AVAILABILITY TYPE STRING,
SUB_APP_AREA TYPE STRING,
EXTERNAL_ID TYPE STRING,
MANU_RW_INDI TYPE STRING,
DEVCLASS TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CFG/SSCUI_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_/CFG/SSCUI_STR-SSCUI_ID sy-vline 
WA_/CFG/SSCUI_STR-CONTEXT sy-vline 
WA_/CFG/SSCUI_STR-VERSION sy-vline 
WA_/CFG/SSCUI_STR-MODIFIER sy-vline 
WA_/CFG/SSCUI_STR-VERSION_STATE sy-vline 
WA_/CFG/SSCUI_STR-SSCUI_TYPE sy-vline 
WA_/CFG/SSCUI_STR-LOGICAL_TYPE sy-vline 
WA_/CFG/SSCUI_STR-CFGE_ID sy-vline 
WA_/CFG/SSCUI_STR-UI_REFERENCE sy-vline 
WA_/CFG/SSCUI_STR-SEMANTIC_ACTION sy-vline 
WA_/CFG/SSCUI_STR-SEMANTIC_OBJECT sy-vline 
WA_/CFG/SSCUI_STR-SERVICE_NAME sy-vline 
WA_/CFG/SSCUI_STR-TRANSACTION_CODE sy-vline 
WA_/CFG/SSCUI_STR-IMG_GUI_ID sy-vline 
WA_/CFG/SSCUI_STR-REPORT_NAME sy-vline 
WA_/CFG/SSCUI_STR-APP_AREA sy-vline 
WA_/CFG/SSCUI_STR-SSCUI_SEQUENCE sy-vline 
WA_/CFG/SSCUI_STR-DOCUMENTATION_ID sy-vline 
WA_/CFG/SSCUI_STR-AVAILABILITY sy-vline 
WA_/CFG/SSCUI_STR-SUB_APP_AREA sy-vline 
WA_/CFG/SSCUI_STR-EXTERNAL_ID sy-vline 
WA_/CFG/SSCUI_STR-MANU_RW_INDI sy-vline 
WA_/CFG/SSCUI_STR-DEVCLASS sy-vline 
WA_/CFG/SSCUI_STR-CREATED_BY sy-vline 
WA_/CFG/SSCUI_STR-CREATED_AT sy-vline 
WA_/CFG/SSCUI_STR-CHANGED_BY sy-vline 
WA_/CFG/SSCUI_STR-CHANGED_AT sy-vline      INTO ld_text SEPARATED BY SPACE.

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