ABAP Select data from SAP table SER03 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SER03 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 SER03. 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 SER03 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_SER03 TYPE STANDARD TABLE OF SER03,
      WA_SER03 TYPE SER03,
      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: <SER03> TYPE SER03.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SER03.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SER03
  INTO TABLE IT_SER03.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SER03
*  INTO TABLE @DATA(IT_SER032).
*--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_SER03 INDEX 1 INTO DATA(WA_SER032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SER03 ASSIGNING <SER03>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SER03>-MANDT = 1.
<SER03>-OBKNR = 1.
<SER03>-MBLNR = 1.
<SER03>-MJAHR = 1.
<SER03>-ZEILE = 1.

ENDLOOP.

LOOP AT IT_SER03 INTO WA_SER03.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SER03-BLART, sy-vline,
  WA_SER03-BWART, sy-vline,
  WA_SER03-SHKZG, sy-vline,
  WA_SER03-DATUM, sy-vline,
  WA_SER03-UZEIT, sy-vline,
  WA_SER03-LETZNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SER03 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_SER03 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_SER03 INTO WA_SER03.


*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 ALPHA, internal->external for field MBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SER03-MBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SER03-MBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_SER03-MJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SER03-MJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIEFERANT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SER03-LIEFERANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SER03-LIEFERANT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNDE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SER03-KUNDE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SER03-KUNDE.
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_SER03_STR, 
MANDT TYPE STRING,
OBKNR TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
BLART TYPE STRING,
BWART TYPE STRING,
SHKZG TYPE STRING,
DATUM TYPE STRING,
UZEIT TYPE STRING,
LETZNR TYPE STRING,
ANZSN TYPE STRING,
VORGANG TYPE STRING,
LIEFERANT TYPE STRING,
KUNDE TYPE STRING,
WERK TYPE STRING,
LAGERORT TYPE STRING,
CHARGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SER03_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_SER03_STR-MANDT sy-vline 
WA_SER03_STR-OBKNR sy-vline 
WA_SER03_STR-MBLNR sy-vline 
WA_SER03_STR-MJAHR sy-vline 
WA_SER03_STR-ZEILE sy-vline 
WA_SER03_STR-BLART sy-vline 
WA_SER03_STR-BWART sy-vline 
WA_SER03_STR-SHKZG sy-vline 
WA_SER03_STR-DATUM sy-vline 
WA_SER03_STR-UZEIT sy-vline 
WA_SER03_STR-LETZNR sy-vline 
WA_SER03_STR-ANZSN sy-vline 
WA_SER03_STR-VORGANG sy-vline 
WA_SER03_STR-LIEFERANT sy-vline 
WA_SER03_STR-KUNDE sy-vline 
WA_SER03_STR-WERK sy-vline 
WA_SER03_STR-LAGERORT sy-vline 
WA_SER03_STR-CHARGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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