SAP S38E ABAP Select data from SAP table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP S38E 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 S38E. 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 S38E 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_S38E TYPE STANDARD TABLE OF S38E,
      WA_S38E TYPE S38E,
      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: <S38E> TYPE S38E.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_S38E.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM S38E
  INTO TABLE IT_S38E.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM S38E
*  INTO TABLE @DATA(IT_S38E2).
*--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_S38E INDEX 1 INTO DATA(WA_S38E2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_S38E ASSIGNING <S38E>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<S38E>-APP_OPEN = 1.
<S38E>-APP_ID = 1.
<S38E>-APP_FUNC = 1.
<S38E>-APP_PARAM = 1.
<S38E>-APP_MSG = 1.

ENDLOOP.

LOOP AT IT_S38E INTO WA_S38E.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_S38E-APP_DISP, sy-vline,
  WA_S38E-APP_OBJ, sy-vline,
  WA_S38E-APP_ABAP, sy-vline,
  WA_S38E-BUF_NEW, sy-vline,
  WA_S38E-BUF_NAME, sy-vline,
  WA_S38E-FB_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_S38E 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_S38E 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_S38E INTO WA_S38E.


*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_S38E_STR, 
APP_OPEN TYPE STRING,
APP_ID TYPE STRING,
APP_FUNC TYPE STRING,
APP_PARAM TYPE STRING,
APP_MSG TYPE STRING,
APP_DISP TYPE STRING,
APP_OBJ TYPE STRING,
APP_ABAP TYPE STRING,
BUF_NEW TYPE STRING,
BUF_NAME TYPE STRING,
FB_NAME TYPE STRING,
BUF_NUM TYPE STRING,
BUF_VARIED TYPE STRING,
BUF_CUNEW TYPE STRING,
BUF_CULINE TYPE STRING,
BUF_SCLINE TYPE STRING,
BUF_CUOFFS TYPE STRING,
BUF_CUWORD TYPE STRING,
BUF_CUSTRG TYPE STRING,
LINE_SIZE TYPE STRING,
SCR_NULL TYPE STRING,
LINE TYPE STRING,
TITLE TYPE STRING,
APP_PROG TYPE STRING,
INCLS_ENQD TYPE STRING,
EXTEND_MOD TYPE STRING,
STATUS_FLG TYPE STRING,
SAVED TYPE STRING,
TEXTTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_S38E_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_S38E_STR-APP_OPEN sy-vline 
WA_S38E_STR-APP_ID sy-vline 
WA_S38E_STR-APP_FUNC sy-vline 
WA_S38E_STR-APP_PARAM sy-vline 
WA_S38E_STR-APP_MSG sy-vline 
WA_S38E_STR-APP_DISP sy-vline 
WA_S38E_STR-APP_OBJ sy-vline 
WA_S38E_STR-APP_ABAP sy-vline 
WA_S38E_STR-BUF_NEW sy-vline 
WA_S38E_STR-BUF_NAME sy-vline 
WA_S38E_STR-FB_NAME sy-vline 
WA_S38E_STR-BUF_NUM sy-vline 
WA_S38E_STR-BUF_VARIED sy-vline 
WA_S38E_STR-BUF_CUNEW sy-vline 
WA_S38E_STR-BUF_CULINE sy-vline 
WA_S38E_STR-BUF_SCLINE sy-vline 
WA_S38E_STR-BUF_CUOFFS sy-vline 
WA_S38E_STR-BUF_CUWORD sy-vline 
WA_S38E_STR-BUF_CUSTRG sy-vline 
WA_S38E_STR-LINE_SIZE sy-vline 
WA_S38E_STR-SCR_NULL sy-vline 
WA_S38E_STR-LINE sy-vline 
WA_S38E_STR-TITLE sy-vline 
WA_S38E_STR-APP_PROG sy-vline 
WA_S38E_STR-INCLS_ENQD sy-vline 
WA_S38E_STR-EXTEND_MOD sy-vline 
WA_S38E_STR-STATUS_FLG sy-vline 
WA_S38E_STR-SAVED sy-vline 
WA_S38E_STR-TEXTTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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

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