ABAP Select data from SAP table CRMS4S_PRODUCT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4S_PRODUCT 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 CRMS4S_PRODUCT. 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 CRMS4S_PRODUCT 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_CRMS4S_PRODUCT TYPE STANDARD TABLE OF CRMS4S_PRODUCT,
      WA_CRMS4S_PRODUCT TYPE CRMS4S_PRODUCT,
      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: <CRMS4S_PRODUCT> TYPE CRMS4S_PRODUCT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4S_PRODUCT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4S_PRODUCT
  INTO TABLE IT_CRMS4S_PRODUCT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4S_PRODUCT
*  INTO TABLE @DATA(IT_CRMS4S_PRODUCT2).
*--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_CRMS4S_PRODUCT INDEX 1 INTO DATA(WA_CRMS4S_PRODUCT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4S_PRODUCT ASSIGNING <CRMS4S_PRODUCT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4S_PRODUCT>-MANDT = 1.
<CRMS4S_PRODUCT>-PRODUCTUUID = 1.
<CRMS4S_PRODUCT>-PRODUCT = 1.
<CRMS4S_PRODUCT>-PRODUCTAUTHORIZATIONGROUP = 1.
<CRMS4S_PRODUCT>-PRODUCTTYPE = 1.

ENDLOOP.

LOOP AT IT_CRMS4S_PRODUCT INTO WA_CRMS4S_PRODUCT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4S_PRODUCT-PRODUCTTYPEAUTHORIZATIONGROUP, sy-vline,
  WA_CRMS4S_PRODUCT-PRODUCTGROUP, sy-vline,
  WA_CRMS4S_PRODUCT-PRODUCTGROUPAUTHORIZATIONGROUP, sy-vline,
  WA_CRMS4S_PRODUCT-PRODUCTHIERARCHY, sy-vline,
  WA_CRMS4S_PRODUCT-BASEUNIT, sy-vline,
  WA_CRMS4S_PRODUCT-ISMARKEDFORDELETION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4S_PRODUCT 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_CRMS4S_PRODUCT 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_CRMS4S_PRODUCT INTO WA_CRMS4S_PRODUCT.


*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_CRMS4S_PRODUCT-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PRODUCT-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PRODUCT-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PRODUCT-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PRODUCT-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PRODUCT-CROSSPLANTCONFIGURABLEPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COMPETITORID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PRODUCT-COMPETITORID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PRODUCT-COMPETITORID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COMPETITORBUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_PRODUCT-COMPETITORBUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_PRODUCT-COMPETITORBUSINESSPARTNER.
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_CRMS4S_PRODUCT_STR, 
MANDT TYPE STRING,
PRODUCTUUID TYPE STRING,
PRODUCT TYPE STRING,
PRODUCTAUTHORIZATIONGROUP TYPE STRING,
PRODUCTTYPE TYPE STRING,
PRODUCTTYPEAUTHORIZATIONGROUP TYPE STRING,
PRODUCTGROUP TYPE STRING,
PRODUCTGROUPAUTHORIZATIONGROUP TYPE STRING,
PRODUCTHIERARCHY TYPE STRING,
BASEUNIT TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
SALESSTATUS TYPE STRING,
SALESSTATUSVALIDITYDATE TYPE STRING,
PRODUCTTYPECODE TYPE STRING,
ISBATCHMANAGEMENTREQUIRED TYPE STRING,
PRODUCTISCONFIGURABLE TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
PRODUCTCONFIGURATION TYPE STRING,
PRODUCTISVARIANT TYPE STRING,
DIVISION TYPE STRING,
ITEMCATEGORYGROUP TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
ISCOMPETITORPRODUCT TYPE STRING,
COMPETITORID TYPE STRING,
LANGUAGE TYPE STRING,
COMPETITORBUSINESSPARTNER TYPE STRING,
PRODUCTNAME TYPE STRING,
PRODUCTTYPENAME TYPE STRING,
UNITOFMEASURENAME TYPE STRING,
DIVISIONNAME TYPE STRING,
ITEMCATEGORYGROUPNAME TYPE STRING,
PRODUCTTYPECODENAME TYPE STRING,
PRODUCTHIERARCHYNAME TYPE STRING,
SALESSTATUSNAME TYPE STRING,
PRODUCTGROUPNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4S_PRODUCT_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_CRMS4S_PRODUCT_STR-MANDT sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTUUID sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCT sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTAUTHORIZATIONGROUP sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTTYPE sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTTYPEAUTHORIZATIONGROUP sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTGROUP sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTGROUPAUTHORIZATIONGROUP sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTHIERARCHY sy-vline 
WA_CRMS4S_PRODUCT_STR-BASEUNIT sy-vline 
WA_CRMS4S_PRODUCT_STR-ISMARKEDFORDELETION sy-vline 
WA_CRMS4S_PRODUCT_STR-SALESSTATUS sy-vline 
WA_CRMS4S_PRODUCT_STR-SALESSTATUSVALIDITYDATE sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTTYPECODE sy-vline 
WA_CRMS4S_PRODUCT_STR-ISBATCHMANAGEMENTREQUIRED sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTISCONFIGURABLE sy-vline 
WA_CRMS4S_PRODUCT_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTCONFIGURATION sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTISVARIANT sy-vline 
WA_CRMS4S_PRODUCT_STR-DIVISION sy-vline 
WA_CRMS4S_PRODUCT_STR-ITEMCATEGORYGROUP sy-vline 
WA_CRMS4S_PRODUCT_STR-LASTCHANGEDATE sy-vline 
WA_CRMS4S_PRODUCT_STR-CREATEDBYUSER sy-vline 
WA_CRMS4S_PRODUCT_STR-CREATIONDATE sy-vline 
WA_CRMS4S_PRODUCT_STR-ISCOMPETITORPRODUCT sy-vline 
WA_CRMS4S_PRODUCT_STR-COMPETITORID sy-vline 
WA_CRMS4S_PRODUCT_STR-LANGUAGE sy-vline 
WA_CRMS4S_PRODUCT_STR-COMPETITORBUSINESSPARTNER sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTNAME sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTTYPENAME sy-vline 
WA_CRMS4S_PRODUCT_STR-UNITOFMEASURENAME sy-vline 
WA_CRMS4S_PRODUCT_STR-DIVISIONNAME sy-vline 
WA_CRMS4S_PRODUCT_STR-ITEMCATEGORYGROUPNAME sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTTYPECODENAME sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTHIERARCHYNAME sy-vline 
WA_CRMS4S_PRODUCT_STR-SALESSTATUSNAME sy-vline 
WA_CRMS4S_PRODUCT_STR-PRODUCTGROUPNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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