SAP S031 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 S031 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 S031. 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 S031 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_S031 TYPE STANDARD TABLE OF S031,
      WA_S031 TYPE S031,
      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: <S031> TYPE S031.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_S031.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM S031
  INTO TABLE IT_S031.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM S031
*  INTO TABLE @DATA(IT_S0312).
*--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_S031 INDEX 1 INTO DATA(WA_S0312).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_S031 ASSIGNING <S031>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<S031>-MANDT = 1.
<S031>-SSOUR = 1.
<S031>-VRSIO = 1.
<S031>-SPMON = 1.
<S031>-SPTAG = 1.

ENDLOOP.

LOOP AT IT_S031 INTO WA_S031.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_S031-SPWOC, sy-vline,
  WA_S031-SPBUP, sy-vline,
  WA_S031-WERKS, sy-vline,
  WA_S031-MATNR, sy-vline,
  WA_S031-LGORT, sy-vline,
  WA_S031-PERIV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_S031 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_S031 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_S031 INTO WA_S031.


*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 PERI, internal->external for field SPMON
CALL FUNCTION 'CONVERSION_EXIT_PERI_OUTPUT'
  EXPORTING
    input =                      WA_S031-SPMON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S031-SPMON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI, internal->external for field SPWOC
CALL FUNCTION 'CONVERSION_EXIT_PERI_OUTPUT'
  EXPORTING
    input =                      WA_S031-SPWOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S031-SPWOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI, internal->external for field SPBUP
CALL FUNCTION 'CONVERSION_EXIT_PERI_OUTPUT'
  EXPORTING
    input =                      WA_S031-SPBUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S031-SPBUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_S031-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S031-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_S031-BASME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S031-BASME.
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_S031_STR, 
MANDT TYPE STRING,
SSOUR TYPE STRING,
VRSIO TYPE STRING,
SPMON TYPE STRING,
SPTAG TYPE STRING,
SPWOC TYPE STRING,
SPBUP TYPE STRING,
WERKS TYPE STRING,
MATNR TYPE STRING,
LGORT TYPE STRING,
PERIV TYPE STRING,
VWDAT TYPE STRING,
BASME TYPE STRING,
HWAER TYPE STRING,
MZUBB TYPE STRING,
WZUBB TYPE STRING,
AZUBB TYPE STRING,
MZUKB TYPE STRING,
AZUKB TYPE STRING,
MAGBB TYPE STRING,
WAGBB TYPE STRING,
AAGBB TYPE STRING,
MAGKB TYPE STRING,
AAGKB TYPE STRING,
AMBWG TYPE STRING,
MGVBR TYPE STRING,
WGVBR TYPE STRING,
AGVBR TYPE STRING,
MUVBR TYPE STRING,
WUVBR TYPE STRING,
AUVBR TYPE STRING,
ASTOR TYPE STRING,
BBNULL TYPE STRING,
KBNULL TYPE STRING,
GBNULL TYPE STRING,
BESZUG TYPE STRING,
WBESZUG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_S031_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_S031_STR-MANDT sy-vline 
WA_S031_STR-SSOUR sy-vline 
WA_S031_STR-VRSIO sy-vline 
WA_S031_STR-SPMON sy-vline 
WA_S031_STR-SPTAG sy-vline 
WA_S031_STR-SPWOC sy-vline 
WA_S031_STR-SPBUP sy-vline 
WA_S031_STR-WERKS sy-vline 
WA_S031_STR-MATNR sy-vline 
WA_S031_STR-LGORT sy-vline 
WA_S031_STR-PERIV sy-vline 
WA_S031_STR-VWDAT sy-vline 
WA_S031_STR-BASME sy-vline 
WA_S031_STR-HWAER sy-vline 
WA_S031_STR-MZUBB sy-vline 
WA_S031_STR-WZUBB sy-vline 
WA_S031_STR-AZUBB sy-vline 
WA_S031_STR-MZUKB sy-vline 
WA_S031_STR-AZUKB sy-vline 
WA_S031_STR-MAGBB sy-vline 
WA_S031_STR-WAGBB sy-vline 
WA_S031_STR-AAGBB sy-vline 
WA_S031_STR-MAGKB sy-vline 
WA_S031_STR-AAGKB sy-vline 
WA_S031_STR-AMBWG sy-vline 
WA_S031_STR-MGVBR sy-vline 
WA_S031_STR-WGVBR sy-vline 
WA_S031_STR-AGVBR sy-vline 
WA_S031_STR-MUVBR sy-vline 
WA_S031_STR-WUVBR sy-vline 
WA_S031_STR-AUVBR sy-vline 
WA_S031_STR-ASTOR sy-vline 
WA_S031_STR-BBNULL sy-vline 
WA_S031_STR-KBNULL sy-vline 
WA_S031_STR-GBNULL sy-vline 
WA_S031_STR-BESZUG sy-vline 
WA_S031_STR-WBESZUG 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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