ABAP Select data from SAP table FMS200_OLD_OPITEMS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMS200_OLD_OPITEMS 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 FMS200_OLD_OPITEMS. 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 FMS200_OLD_OPITEMS 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_FMS200_OLD_OPITEMS TYPE STANDARD TABLE OF FMS200_OLD_OPITEMS,
      WA_FMS200_OLD_OPITEMS TYPE FMS200_OLD_OPITEMS,
      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: <FMS200_OLD_OPITEMS> TYPE FMS200_OLD_OPITEMS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FMS200_OLD_OPITEMS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FMS200_OLD_OPITEMS
  INTO TABLE IT_FMS200_OLD_OPITEMS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMS200_OLD_OPITEMS
*  INTO TABLE @DATA(IT_FMS200_OLD_OPITEMS2).
*--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_FMS200_OLD_OPITEMS INDEX 1 INTO DATA(WA_FMS200_OLD_OPITEMS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FMS200_OLD_OPITEMS ASSIGNING <FMS200_OLD_OPITEMS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMS200_OLD_OPITEMS>-BUKRS = 1.
<FMS200_OLD_OPITEMS>-BELNR = 1.
<FMS200_OLD_OPITEMS>-BUZEI = 1.
<FMS200_OLD_OPITEMS>-GJAHR = 1.
<FMS200_OLD_OPITEMS>-BUDAT = 1.

ENDLOOP.

LOOP AT IT_FMS200_OLD_OPITEMS INTO WA_FMS200_OLD_OPITEMS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMS200_OLD_OPITEMS-HKONT, sy-vline,
  WA_FMS200_OLD_OPITEMS-FIPOS, sy-vline,
  WA_FMS200_OLD_OPITEMS-FISTL, sy-vline,
  WA_FMS200_OLD_OPITEMS-WAERS, sy-vline,
  WA_FMS200_OLD_OPITEMS-WRBTR, sy-vline,
  WA_FMS200_OLD_OPITEMS-DMBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMS200_OLD_OPITEMS 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_FMS200_OLD_OPITEMS 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_FMS200_OLD_OPITEMS INTO WA_FMS200_OLD_OPITEMS.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMS200_OLD_OPITEMS-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMS200_OLD_OPITEMS-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMS200_OLD_OPITEMS-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMS200_OLD_OPITEMS-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMS200_OLD_OPITEMS-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMS200_OLD_OPITEMS-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_FMS200_OLD_OPITEMS-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMS200_OLD_OPITEMS-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REBZG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMS200_OLD_OPITEMS-REBZG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMS200_OLD_OPITEMS-REBZG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REBZJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMS200_OLD_OPITEMS-REBZJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMS200_OLD_OPITEMS-REBZJ.
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_FMS200_OLD_OPITEMS_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
GJAHR TYPE STRING,
BUDAT TYPE STRING,
HKONT TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
WAERS TYPE STRING,
WRBTR TYPE STRING,
DMBTR TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
SHKZG TYPE STRING,
REBZG TYPE STRING,
REBZJ TYPE STRING,
REBZT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMS200_OLD_OPITEMS_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_FMS200_OLD_OPITEMS_STR-BUKRS sy-vline 
WA_FMS200_OLD_OPITEMS_STR-BELNR sy-vline 
WA_FMS200_OLD_OPITEMS_STR-BUZEI sy-vline 
WA_FMS200_OLD_OPITEMS_STR-GJAHR sy-vline 
WA_FMS200_OLD_OPITEMS_STR-BUDAT sy-vline 
WA_FMS200_OLD_OPITEMS_STR-HKONT sy-vline 
WA_FMS200_OLD_OPITEMS_STR-FIPOS sy-vline 
WA_FMS200_OLD_OPITEMS_STR-FISTL sy-vline 
WA_FMS200_OLD_OPITEMS_STR-WAERS sy-vline 
WA_FMS200_OLD_OPITEMS_STR-WRBTR sy-vline 
WA_FMS200_OLD_OPITEMS_STR-DMBTR sy-vline 
WA_FMS200_OLD_OPITEMS_STR-DMBE2 sy-vline 
WA_FMS200_OLD_OPITEMS_STR-DMBE3 sy-vline 
WA_FMS200_OLD_OPITEMS_STR-SHKZG sy-vline 
WA_FMS200_OLD_OPITEMS_STR-REBZG sy-vline 
WA_FMS200_OLD_OPITEMS_STR-REBZJ sy-vline 
WA_FMS200_OLD_OPITEMS_STR-REBZT sy-vline      INTO ld_text SEPARATED BY SPACE.

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