ABAP Select data from SAP table /GC1/STR_ALV_SCOPE_LIST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /GC1/STR_ALV_SCOPE_LIST 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 /GC1/STR_ALV_SCOPE_LIST. 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 /GC1/STR_ALV_SCOPE_LIST 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_/GC1/STR_ALV_SCOPE_LIST TYPE STANDARD TABLE OF /GC1/STR_ALV_SCOPE_LIST,
      WA_/GC1/STR_ALV_SCOPE_LIST TYPE /GC1/STR_ALV_SCOPE_LIST,
      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: </GC1/STR_ALV_SCOPE_LIST> TYPE /GC1/STR_ALV_SCOPE_LIST.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/GC1/STR_ALV_SCOPE_LIST.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /GC1/STR_ALV_SCOPE_LIST
  INTO TABLE IT_/GC1/STR_ALV_SCOPE_LIST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /GC1/STR_ALV_SCOPE_LIST
*  INTO TABLE @DATA(IT_/GC1/STR_ALV_SCOPE_LIST2).
*--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_/GC1/STR_ALV_SCOPE_LIST INDEX 1 INTO DATA(WA_/GC1/STR_ALV_SCOPE_LIST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/GC1/STR_ALV_SCOPE_LIST ASSIGNING </GC1/STR_ALV_SCOPE_LIST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</GC1/STR_ALV_SCOPE_LIST>-GENERATING_OBJTYPE = 1.
</GC1/STR_ALV_SCOPE_LIST>-OBJTYPE = 1.
</GC1/STR_ALV_SCOPE_LIST>-TECHNICAL_TYPE = 1.
</GC1/STR_ALV_SCOPE_LIST>-SOURCE_CODE_ICON = 1.
</GC1/STR_ALV_SCOPE_LIST>-USER_TYPE = 1.

ENDLOOP.

LOOP AT IT_/GC1/STR_ALV_SCOPE_LIST INTO WA_/GC1/STR_ALV_SCOPE_LIST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/GC1/STR_ALV_SCOPE_LIST-ATTR_NAME, sy-vline,
  WA_/GC1/STR_ALV_SCOPE_LIST-SELECT_OPTION_ICON, sy-vline,
  WA_/GC1/STR_ALV_SCOPE_LIST-ATTR_SIGN, sy-vline,
  WA_/GC1/STR_ALV_SCOPE_LIST-ATTR_OPTION, sy-vline,
  WA_/GC1/STR_ALV_SCOPE_LIST-ATTR_LOW, sy-vline,
  WA_/GC1/STR_ALV_SCOPE_LIST-ATTR_HIGH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/GC1/STR_ALV_SCOPE_LIST 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_/GC1/STR_ALV_SCOPE_LIST 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_/GC1/STR_ALV_SCOPE_LIST INTO WA_/GC1/STR_ALV_SCOPE_LIST.


*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_/GC1/STR_ALV_SCOPE_LIST_STR, 
GENERATING_OBJTYPE TYPE STRING,
OBJTYPE TYPE STRING,
TECHNICAL_TYPE TYPE STRING,
SOURCE_CODE_ICON TYPE STRING,
USER_TYPE TYPE STRING,
ATTR_NAME TYPE STRING,
SELECT_OPTION_ICON TYPE STRING,
ATTR_SIGN TYPE STRING,
ATTR_OPTION TYPE STRING,
ATTR_LOW TYPE STRING,
ATTR_HIGH TYPE STRING,
SCOPE TYPE STRING,
GENERATING_OBJTYPE_TXT TYPE STRING,
GENERATED_OBJTYPE_TXT TYPE STRING,
USING_OBJTYPE_TXT TYPE STRING,
CALLBACK_CLASS TYPE STRING,
SCOPE_CLASS TYPE STRING,
TIME_INITIALIZATION TYPE STRING,
TIME_OBJLIST_DET TYPE STRING,
TIME_OBJLIST_DET_SINGLE TYPE STRING,
CNT_TOTAL_OBJECTS TYPE STRING,
CNT_DELETABLE_OBJECTS TYPE STRING,
PERCENTAGE_DELETABLE_OBJECTS TYPE STRING,
FLG_HEADER TYPE STRING,
LEADING_OBJTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/GC1/STR_ALV_SCOPE_LIST_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_/GC1/STR_ALV_SCOPE_LIST_STR-GENERATING_OBJTYPE sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-OBJTYPE sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-TECHNICAL_TYPE sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-SOURCE_CODE_ICON sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-USER_TYPE sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-ATTR_NAME sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-SELECT_OPTION_ICON sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-ATTR_SIGN sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-ATTR_OPTION sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-ATTR_LOW sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-ATTR_HIGH sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-SCOPE sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-GENERATING_OBJTYPE_TXT sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-GENERATED_OBJTYPE_TXT sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-USING_OBJTYPE_TXT sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-CALLBACK_CLASS sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-SCOPE_CLASS sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-TIME_INITIALIZATION sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-TIME_OBJLIST_DET sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-TIME_OBJLIST_DET_SINGLE sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-CNT_TOTAL_OBJECTS sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-CNT_DELETABLE_OBJECTS sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-PERCENTAGE_DELETABLE_OBJECTS sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-FLG_HEADER sy-vline 
WA_/GC1/STR_ALV_SCOPE_LIST_STR-LEADING_OBJTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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