SAP S161E 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 S161E 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 S161E. 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 S161E 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_S161E TYPE STANDARD TABLE OF S161E,
      WA_S161E TYPE S161E,
      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: <S161E> TYPE S161E.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_S161E.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM S161E
  INTO TABLE IT_S161E.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM S161E
*  INTO TABLE @DATA(IT_S161E2).
*--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_S161E INDEX 1 INTO DATA(WA_S161E2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_S161E ASSIGNING <S161E>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<S161E>-MANDT = 1.
<S161E>-SSOUR = 1.
<S161E>-MATNR = 1.
<S161E>-PRPLATZWRK = 1.
<S161E>-PRPLATZ = 1.

ENDLOOP.

LOOP AT IT_S161E INTO WA_S161E.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_S161E-WERKSTPRUE, sy-vline,
  WA_S161E-PLGRPLTYP, sy-vline,
  WA_S161E-PPLNKN, sy-vline,
  WA_S161E-MERKNR, sy-vline,
  WA_S161E-WERK, sy-vline,
  WA_S161E-PLOBJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_S161E 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_S161E 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_S161E INTO WA_S161E.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_S161E-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S161E-MATNR.
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_S161E_STR, 
MANDT TYPE STRING,
SSOUR TYPE STRING,
MATNR TYPE STRING,
PRPLATZWRK TYPE STRING,
PRPLATZ TYPE STRING,
WERKSTPRUE TYPE STRING,
PLGRPLTYP TYPE STRING,
PPLNKN TYPE STRING,
MERKNR TYPE STRING,
WERK TYPE STRING,
PLOBJ TYPE STRING,
PERKZ TYPE STRING,
PERIV TYPE STRING,
PLTKZ TYPE STRING,
ANTEI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_S161E_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_S161E_STR-MANDT sy-vline 
WA_S161E_STR-SSOUR sy-vline 
WA_S161E_STR-MATNR sy-vline 
WA_S161E_STR-PRPLATZWRK sy-vline 
WA_S161E_STR-PRPLATZ sy-vline 
WA_S161E_STR-WERKSTPRUE sy-vline 
WA_S161E_STR-PLGRPLTYP sy-vline 
WA_S161E_STR-PPLNKN sy-vline 
WA_S161E_STR-MERKNR sy-vline 
WA_S161E_STR-WERK sy-vline 
WA_S161E_STR-PLOBJ sy-vline 
WA_S161E_STR-PERKZ sy-vline 
WA_S161E_STR-PERIV sy-vline 
WA_S161E_STR-PLTKZ sy-vline 
WA_S161E_STR-ANTEI 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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