ABAP Select data from SAP table ARS_S_SNAP_UI_OVERVIEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARS_S_SNAP_UI_OVERVIEW
*  INTO TABLE @DATA(IT_ARS_S_SNAP_UI_OVERVIEW2).
*--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_ARS_S_SNAP_UI_OVERVIEW INDEX 1 INTO DATA(WA_ARS_S_SNAP_UI_OVERVIEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARS_S_SNAP_UI_OVERVIEW>-SOFTWARE_COMPONENT = 1.
<ARS_S_SNAP_UI_OVERVIEW>-MAJOR_RELEASE = 1.
<ARS_S_SNAP_UI_OVERVIEW>-MINOR_RELEASE = 1.
<ARS_S_SNAP_UI_OVERVIEW>-SNAPSHOT_NAME = 1.
<ARS_S_SNAP_UI_OVERVIEW>-IS_CHECK_RELEVANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARS_S_SNAP_UI_OVERVIEW-CURRENT_VERSION, sy-vline,
  WA_ARS_S_SNAP_UI_OVERVIEW-ORIGINAL_SYSTEM, sy-vline,
  WA_ARS_S_SNAP_UI_OVERVIEW-TOTAL_NUMBER_OF_OBJECTS, sy-vline,
  WA_ARS_S_SNAP_UI_OVERVIEW-GENERATION_TRAFFIC_LIGHT, sy-vline,
  WA_ARS_S_SNAP_UI_OVERVIEW-GENERATION_STATE_TEXT, sy-vline,
  WA_ARS_S_SNAP_UI_OVERVIEW-GENERATION_STATE_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARS_S_SNAP_UI_OVERVIEW 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_ARS_S_SNAP_UI_OVERVIEW 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_ARS_S_SNAP_UI_OVERVIEW INTO WA_ARS_S_SNAP_UI_OVERVIEW.


*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_ARS_S_SNAP_UI_OVERVIEW_STR, 
SOFTWARE_COMPONENT TYPE STRING,
MAJOR_RELEASE TYPE STRING,
MINOR_RELEASE TYPE STRING,
SNAPSHOT_NAME TYPE STRING,
IS_CHECK_RELEVANT TYPE STRING,
CURRENT_VERSION TYPE STRING,
ORIGINAL_SYSTEM TYPE STRING,
TOTAL_NUMBER_OF_OBJECTS TYPE STRING,
GENERATION_TRAFFIC_LIGHT TYPE STRING,
GENERATION_STATE_TEXT TYPE STRING,
GENERATION_STATE_CODE TYPE STRING,
GENERATION_PROGRESS TYPE STRING,
DISTRIBUTION_TRAFFIC_LIGHT TYPE STRING,
DISTRIBUTION_STATE_TEXT TYPE STRING,
DISTRIBUTION_STATE_CODE TYPE STRING,
DISTRIBUTION_PROGRESS TYPE STRING,
DISTRIBUTION_ICON TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
RECEIVED_ON TYPE STRING,
RECEIVED_AT TYPE STRING,
RECEIVED_BY TYPE STRING,
LAST_CHANGED_ON TYPE STRING,
LAST_CHANGED_AT TYPE STRING,
LAST_CHANGED_BY TYPE STRING,
GENERATION_TIMESTAMP TYPE STRING,
GENERATION_BALLOG_HANDLE TYPE STRING,
DISTRIBUTION_BALLOG_HANDLE TYPE STRING,
GENERATION_ACTION TYPE STRING,
IS_RELEASE_INDEPENDENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARS_S_SNAP_UI_OVERVIEW_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_ARS_S_SNAP_UI_OVERVIEW_STR-SOFTWARE_COMPONENT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-MAJOR_RELEASE sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-MINOR_RELEASE sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-SNAPSHOT_NAME sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-IS_CHECK_RELEVANT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-CURRENT_VERSION sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-ORIGINAL_SYSTEM sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-TOTAL_NUMBER_OF_OBJECTS sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_TRAFFIC_LIGHT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_STATE_TEXT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_STATE_CODE sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_PROGRESS sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-DISTRIBUTION_TRAFFIC_LIGHT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-DISTRIBUTION_STATE_TEXT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-DISTRIBUTION_STATE_CODE sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-DISTRIBUTION_PROGRESS sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-DISTRIBUTION_ICON sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-CREATED_ON sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-CREATED_AT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-CREATED_BY sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-RECEIVED_ON sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-RECEIVED_AT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-RECEIVED_BY sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-LAST_CHANGED_ON sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-LAST_CHANGED_AT sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-LAST_CHANGED_BY sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_TIMESTAMP sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_BALLOG_HANDLE sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-DISTRIBUTION_BALLOG_HANDLE sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-GENERATION_ACTION sy-vline 
WA_ARS_S_SNAP_UI_OVERVIEW_STR-IS_RELEASE_INDEPENDENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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