ABAP Select data from SAP table ISU_DEVSMTEXTNO_UTILSDVCE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_DEVSMTEXTNO_UTILSDVCE
*  INTO TABLE @DATA(IT_ISU_DEVSMTEXTNO_UTILSDVCE2).
*--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_ISU_DEVSMTEXTNO_UTILSDVCE INDEX 1 INTO DATA(WA_ISU_DEVSMTEXTNO_UTILSDVCE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_DEVSMTEXTNO_UTILSDVCE>-CONTROLLER = 1.
<ISU_DEVSMTEXTNO_UTILSDVCE>-ID = 1.
<ISU_DEVSMTEXTNO_UTILSDVCE>-CONTROLLER = 1.
<ISU_DEVSMTEXTNO_UTILSDVCE>-SCHEME_ID = 1.
<ISU_DEVSMTEXTNO_UTILSDVCE>-SCHEME_AGENCY_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_DEVSMTEXTNO_UTILSDVCE-CONTENT, sy-vline,
  WA_ISU_DEVSMTEXTNO_UTILSDVCE-SMART_METER, sy-vline,
  WA_ISU_DEVSMTEXTNO_UTILSDVCE-CONTROLLER, sy-vline,
  WA_ISU_DEVSMTEXTNO_UTILSDVCE-ADVANCED_METERING_SYSTEM_ID, sy-vline,
  WA_ISU_DEVSMTEXTNO_UTILSDVCE-CONTROLLER, sy-vline,
  WA_ISU_DEVSMTEXTNO_UTILSDVCE-SCHEME_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_DEVSMTEXTNO_UTILSDVCE 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_ISU_DEVSMTEXTNO_UTILSDVCE 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_ISU_DEVSMTEXTNO_UTILSDVCE INTO WA_ISU_DEVSMTEXTNO_UTILSDVCE.


*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_ISU_DEVSMTEXTNO_UTILSDVCE_STR, 
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
SMART_METER TYPE STRING,
CONTROLLER TYPE STRING,
ADVANCED_METERING_SYSTEM_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
TEXT TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
CREATION_DATE_TIME TYPE STRING,
DISPLAYVALIDITY_ENDTIMEPOINT TYPE STRING,
CONTROLLER TYPE STRING,
TYPE_CODE TYPE STRING,
DATE TYPE STRING,
TIME TYPE STRING,
DATE_TIME TYPE STRING,
CONTROLLER TYPE STRING,
TIME_ZONE_CODE TYPE STRING,
DAYLIGHT_SAVING_TIME_INDICATOR TYPE STRING,
CONTENT TYPE STRING,
YEAR TYPE STRING,
YEAR_MONTH TYPE STRING,
MONTH TYPE STRING,
YEAR_WEEK TYPE STRING,
TEXT_PLAIN_CONTENT TYPE STRING,
CONTROLLER TYPE STRING,
TEXT TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_DEVSMTEXTNO_UTILSDVCE_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_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-SCHEME_ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTENT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-SMART_METER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-ADVANCED_METERING_SYSTEM_ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-SCHEME_ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTENT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-TEXT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTENT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CREATION_DATE_TIME sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-DISPLAYVALIDITY_ENDTIMEPOINT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-TYPE_CODE sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-DATE sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-TIME sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-DATE_TIME sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-TIME_ZONE_CODE sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-DAYLIGHT_SAVING_TIME_INDICATOR sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTENT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-YEAR sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-YEAR_MONTH sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-MONTH sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-YEAR_WEEK sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-TEXT_PLAIN_CONTENT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-TEXT sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTROLLER sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-LANGUAGE_CODE sy-vline 
WA_ISU_DEVSMTEXTNO_UTILSDVCE_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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