ABAP Select data from SAP table CPRODSUBSTNSET 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 CPRODSUBSTNSET 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 CPRODSUBSTNSET. 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 CPRODSUBSTNSET 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_CPRODSUBSTNSET TYPE STANDARD TABLE OF CPRODSUBSTNSET,
      WA_CPRODSUBSTNSET TYPE CPRODSUBSTNSET,
      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: <CPRODSUBSTNSET> TYPE CPRODSUBSTNSET.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPRODSUBSTNSET
*  INTO TABLE @DATA(IT_CPRODSUBSTNSET2).
*--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_CPRODSUBSTNSET INDEX 1 INTO DATA(WA_CPRODSUBSTNSET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPRODSUBSTNSET>-MANDT = 1.
<CPRODSUBSTNSET>-MDSUBSTNUUID = 1.
<CPRODSUBSTNSET>-MDSUBSTNOBJECTTYPE = 1.
<CPRODSUBSTNSET>-PRODUCT = 1.
<CPRODSUBSTNSET>-PRODUCTDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPRODSUBSTNSET-SUBSTITUTEPRODUCT, sy-vline,
  WA_CPRODSUBSTNSET-SUBSTITUTEPRODUCTDESCRIPTION, sy-vline,
  WA_CPRODSUBSTNSET-MDSUBSTNCONTEXTOBJECTTYPE, sy-vline,
  WA_CPRODSUBSTNSET-PLANT, sy-vline,
  WA_CPRODSUBSTNSET-PLANTNAME, sy-vline,
  WA_CPRODSUBSTNSET-MDSUBSTNCONTEXTOBJECTTYPE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPRODSUBSTNSET 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_CPRODSUBSTNSET 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_CPRODSUBSTNSET INTO WA_CPRODSUBSTNSET.


*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 PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPRODSUBSTNSET-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRODSUBSTNSET-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SUBSTITUTEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPRODSUBSTNSET-SUBSTITUTEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRODSUBSTNSET-SUBSTITUTEPRODUCT.
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_CPRODSUBSTNSET_STR, 
MANDT TYPE STRING,
MDSUBSTNUUID TYPE STRING,
MDSUBSTNOBJECTTYPE TYPE STRING,
PRODUCT TYPE STRING,
PRODUCTDESCRIPTION TYPE STRING,
SUBSTITUTEPRODUCT TYPE STRING,
SUBSTITUTEPRODUCTDESCRIPTION TYPE STRING,
MDSUBSTNCONTEXTOBJECTTYPE TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
MDSUBSTNCONTEXTOBJECTTYPE2 TYPE STRING,
MDSUBSTNGROUP TYPE STRING,
MDSUBSTNGROUPDESCRIPTION TYPE STRING,
MDSUBSTNVERSIONVALUE TYPE STRING,
MDSUBSTNSET TYPE STRING,
MDSUBSTNISEXIT TYPE STRING,
MDSUBSTNISLEADING TYPE STRING,
MDSUBSTNSEQUENCEVALUE TYPE STRING,
MDSUBSTNCONVERSIONNUMERATOR TYPE STRING,
MDSUBSTNCONVERSIONDENOMINATOR TYPE STRING,
MDSUBSTNCONVERSIONPERCENT TYPE STRING,
MDSUBSTNVALIDITYSTARTDATE TYPE STRING,
MDSUBSTNVALIDITYSTARTTIME TYPE STRING,
MDSUBSTNVALIDITYENDDATE TYPE STRING,
MDSUBSTNVALIDITYENDTIME TYPE STRING,
TIMEZONEID TYPE STRING,
MDSUBSTNREASON TYPE STRING,
MDSUBSTNREASONDESCRIPTION TYPE STRING,
MDSUBSTNSTATUS TYPE STRING,
MDSUBSTNSTATUSCRITICALITY TYPE STRING,
MDSUBSTNSTATUSDESCRIPTION TYPE STRING,
MDSUBSTNISRLVTFORATPPROD TYPE STRING,
MDSUBSTNISRELEVANTFORESPP TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPRODSUBSTNSET_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_CPRODSUBSTNSET_STR-MANDT sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNUUID sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNOBJECTTYPE sy-vline 
WA_CPRODSUBSTNSET_STR-PRODUCT sy-vline 
WA_CPRODSUBSTNSET_STR-PRODUCTDESCRIPTION sy-vline 
WA_CPRODSUBSTNSET_STR-SUBSTITUTEPRODUCT sy-vline 
WA_CPRODSUBSTNSET_STR-SUBSTITUTEPRODUCTDESCRIPTION sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNCONTEXTOBJECTTYPE sy-vline 
WA_CPRODSUBSTNSET_STR-PLANT sy-vline 
WA_CPRODSUBSTNSET_STR-PLANTNAME sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNCONTEXTOBJECTTYPE2 sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNGROUP sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNGROUPDESCRIPTION sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNVERSIONVALUE sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNSET sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNISEXIT sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNISLEADING sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNSEQUENCEVALUE sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNCONVERSIONNUMERATOR sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNCONVERSIONDENOMINATOR sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNCONVERSIONPERCENT sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNVALIDITYSTARTDATE sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNVALIDITYSTARTTIME sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNVALIDITYENDDATE sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNVALIDITYENDTIME sy-vline 
WA_CPRODSUBSTNSET_STR-TIMEZONEID sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNREASON sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNREASONDESCRIPTION sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNSTATUS sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNSTATUSCRITICALITY sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNSTATUSDESCRIPTION sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNISRLVTFORATPPROD sy-vline 
WA_CPRODSUBSTNSET_STR-MDSUBSTNISRELEVANTFORESPP sy-vline 
WA_CPRODSUBSTNSET_STR-CREATEDBYUSER sy-vline 
WA_CPRODSUBSTNSET_STR-CREATIONDATETIME sy-vline 
WA_CPRODSUBSTNSET_STR-LASTCHANGEDBYUSER sy-vline 
WA_CPRODSUBSTNSET_STR-LASTCHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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