ABAP Select data from SAP table /IWBEP/S_MGW_SUB_DATA_UTIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IWBEP/S_MGW_SUB_DATA_UTIL
*  INTO TABLE @DATA(IT_/IWBEP/S_MGW_SUB_DATA_UTIL2).
*--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_/IWBEP/S_MGW_SUB_DATA_UTIL INDEX 1 INTO DATA(WA_/IWBEP/S_MGW_SUB_DATA_UTIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IWBEP/S_MGW_SUB_DATA_UTIL>-ID = 1.
</IWBEP/S_MGW_SUB_DATA_UTIL>-LANGUAGE = 1.
</IWBEP/S_MGW_SUB_DATA_UTIL>-GROUP_TECH_NAME = 1.
</IWBEP/S_MGW_SUB_DATA_UTIL>-GROUP_VERSION = 1.
</IWBEP/S_MGW_SUB_DATA_UTIL>-USERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IWBEP/S_MGW_SUB_DATA_UTIL-TITLE, sy-vline,
  WA_/IWBEP/S_MGW_SUB_DATA_UTIL-SOURCE_SYSTEM_ID, sy-vline,
  WA_/IWBEP/S_MGW_SUB_DATA_UTIL-SOURCE_CLIENT, sy-vline,
  WA_/IWBEP/S_MGW_SUB_DATA_UTIL-DELIVERY_ADDRESS, sy-vline,
  WA_/IWBEP/S_MGW_SUB_DATA_UTIL-PERSIST_NOTIF, sy-vline,
  WA_/IWBEP/S_MGW_SUB_DATA_UTIL-BASE_URL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IWBEP/S_MGW_SUB_DATA_UTIL 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_/IWBEP/S_MGW_SUB_DATA_UTIL 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_/IWBEP/S_MGW_SUB_DATA_UTIL INTO WA_/IWBEP/S_MGW_SUB_DATA_UTIL.


*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_/IWBEP/S_MGW_SUB_DATA_UTIL-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IWBEP/S_MGW_SUB_DATA_UTIL-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_/IWBEP/S_MGW_SUB_DATA_UTIL_STR, 
ID TYPE STRING,
LANGUAGE TYPE STRING,
GROUP_TECH_NAME TYPE STRING,
GROUP_VERSION TYPE STRING,
USERNAME TYPE STRING,
TITLE TYPE STRING,
SOURCE_SYSTEM_ID TYPE STRING,
SOURCE_CLIENT TYPE STRING,
DELIVERY_ADDRESS TYPE STRING,
PERSIST_NOTIF TYPE STRING,
BASE_URL TYPE STRING,
COLLECTION_NAME TYPE STRING,
FILTER_PARAMETER TYPE STRING,
SELECT_PARAMETER TYPE STRING,
CHANGE_TYPE TYPE STRING,
ROLE_ID TYPE STRING,
CREATED_BY TYPE STRING,
SYSTEM_ALIAS TYPE STRING,
NOTIF_FORMAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IWBEP/S_MGW_SUB_DATA_UTIL_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_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-ID sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-LANGUAGE sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-GROUP_TECH_NAME sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-GROUP_VERSION sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-USERNAME sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-TITLE sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-SOURCE_SYSTEM_ID sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-SOURCE_CLIENT sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-DELIVERY_ADDRESS sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-PERSIST_NOTIF sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-BASE_URL sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-COLLECTION_NAME sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-FILTER_PARAMETER sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-SELECT_PARAMETER sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-CHANGE_TYPE sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-ROLE_ID sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-CREATED_BY sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-SYSTEM_ALIAS sy-vline 
WA_/IWBEP/S_MGW_SUB_DATA_UTIL_STR-NOTIF_FORMAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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