ABAP Select data from SAP table ASOPRELSIM into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ASOPRELSIM 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 ASOPRELSIM. 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 ASOPRELSIM 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_ASOPRELSIM TYPE STANDARD TABLE OF ASOPRELSIM,
      WA_ASOPRELSIM TYPE ASOPRELSIM,
      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: <ASOPRELSIM> TYPE ASOPRELSIM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ASOPRELSIM
*  INTO TABLE @DATA(IT_ASOPRELSIM2).
*--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_ASOPRELSIM INDEX 1 INTO DATA(WA_ASOPRELSIM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ASOPRELSIM>-MANDT = 1.
<ASOPRELSIM>-SALESORDER = 1.
<ASOPRELSIM>-PRICINGPROCEDURESTEP = 1.
<ASOPRELSIM>-PRICINGPROCEDURECOUNTER = 1.
<ASOPRELSIM>-CONDITIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ASOPRELSIM-PRICECONDITIONDETERMINATIONDTE, sy-vline,
  WA_ASOPRELSIM-CONDITIONCALCULATIONTYPE, sy-vline,
  WA_ASOPRELSIM-CONDITIONBASEVALUE, sy-vline,
  WA_ASOPRELSIM-CONDITIONRATEVALUE, sy-vline,
  WA_ASOPRELSIM-CONDITIONCURRENCY, sy-vline,
  WA_ASOPRELSIM-CONDITIONQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ASOPRELSIM 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_ASOPRELSIM 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_ASOPRELSIM INTO WA_ASOPRELSIM.


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

*Conversion exit CUNIT, internal->external for field CONDITIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ASOPRELSIM-CONDITIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASOPRELSIM-CONDITIONQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field SALESORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_ASOPRELSIM-SALESORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASOPRELSIM-SALESORDERTYPE.
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_ASOPRELSIM_STR, 
MANDT TYPE STRING,
SALESORDER TYPE STRING,
PRICINGPROCEDURESTEP TYPE STRING,
PRICINGPROCEDURECOUNTER TYPE STRING,
CONDITIONTYPE TYPE STRING,
PRICECONDITIONDETERMINATIONDTE TYPE STRING,
CONDITIONCALCULATIONTYPE TYPE STRING,
CONDITIONBASEVALUE TYPE STRING,
CONDITIONRATEVALUE TYPE STRING,
CONDITIONCURRENCY TYPE STRING,
CONDITIONQUANTITY TYPE STRING,
CONDITIONQUANTITYUNIT TYPE STRING,
CONDITIONQUANTITYSAPUNIT TYPE STRING,
CONDITIONQUANTITYISOUNIT TYPE STRING,
CONDITIONISFORSTATISTICS TYPE STRING,
CONDITIONORIGIN TYPE STRING,
ISGROUPCONDITION TYPE STRING,
CONDITIONAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CONDITIONINACTIVEREASON TYPE STRING,
CONDITIONCLASS TYPE STRING,
PRICINGSCALEBASIS TYPE STRING,
CONDITIONSCALEBASISVALUE TYPE STRING,
CONDITIONISMANUALLYCHANGED TYPE STRING,
SALESORDERTYPE TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ASOPRELSIM_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_ASOPRELSIM_STR-MANDT sy-vline 
WA_ASOPRELSIM_STR-SALESORDER sy-vline 
WA_ASOPRELSIM_STR-PRICINGPROCEDURESTEP sy-vline 
WA_ASOPRELSIM_STR-PRICINGPROCEDURECOUNTER sy-vline 
WA_ASOPRELSIM_STR-CONDITIONTYPE sy-vline 
WA_ASOPRELSIM_STR-PRICECONDITIONDETERMINATIONDTE sy-vline 
WA_ASOPRELSIM_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_ASOPRELSIM_STR-CONDITIONBASEVALUE sy-vline 
WA_ASOPRELSIM_STR-CONDITIONRATEVALUE sy-vline 
WA_ASOPRELSIM_STR-CONDITIONCURRENCY sy-vline 
WA_ASOPRELSIM_STR-CONDITIONQUANTITY sy-vline 
WA_ASOPRELSIM_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_ASOPRELSIM_STR-CONDITIONQUANTITYSAPUNIT sy-vline 
WA_ASOPRELSIM_STR-CONDITIONQUANTITYISOUNIT sy-vline 
WA_ASOPRELSIM_STR-CONDITIONISFORSTATISTICS sy-vline 
WA_ASOPRELSIM_STR-CONDITIONORIGIN sy-vline 
WA_ASOPRELSIM_STR-ISGROUPCONDITION sy-vline 
WA_ASOPRELSIM_STR-CONDITIONAMOUNT sy-vline 
WA_ASOPRELSIM_STR-TRANSACTIONCURRENCY sy-vline 
WA_ASOPRELSIM_STR-CONDITIONINACTIVEREASON sy-vline 
WA_ASOPRELSIM_STR-CONDITIONCLASS sy-vline 
WA_ASOPRELSIM_STR-PRICINGSCALEBASIS sy-vline 
WA_ASOPRELSIM_STR-CONDITIONSCALEBASISVALUE sy-vline 
WA_ASOPRELSIM_STR-CONDITIONISMANUALLYCHANGED sy-vline 
WA_ASOPRELSIM_STR-SALESORDERTYPE sy-vline 
WA_ASOPRELSIM_STR-ORGANIZATIONDIVISION sy-vline 
WA_ASOPRELSIM_STR-SALESORGANIZATION sy-vline 
WA_ASOPRELSIM_STR-DISTRIBUTIONCHANNEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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