ABAP Select data from SAP table COPNCTLGITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COPNCTLGITEM
*  INTO TABLE @DATA(IT_COPNCTLGITEM2).
*--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_COPNCTLGITEM INDEX 1 INTO DATA(WA_COPNCTLGITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COPNCTLGITEM>-MANDT = 1.
<COPNCTLGITEM>-OPNCTLGITEMID = 1.
<COPNCTLGITEM>-OPNCTLGITEMKEY = 1.
<COPNCTLGITEM>-OPNCTLGMAINIMAGEURL = 1.
<COPNCTLGITEM>-PRODUCTDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COPNCTLGITEM-OPNCTLGSRCHLONGTEXT, sy-vline,
  WA_COPNCTLGITEM-OPENCATALOGUSERRATINGVALUE, sy-vline,
  WA_COPNCTLGITEM-PRODUCTCATALOGNAME, sy-vline,
  WA_COPNCTLGITEM-OPNCTLGITEMPRICE, sy-vline,
  WA_COPNCTLGITEM-OPNCTLGITEMCURRENCY, sy-vline,
  WA_COPNCTLGITEM-NETPRICEQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COPNCTLGITEM 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_COPNCTLGITEM 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_COPNCTLGITEM INTO WA_COPNCTLGITEM.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_COPNCTLGITEM_STR, 
MANDT TYPE STRING,
OPNCTLGITEMID TYPE STRING,
OPNCTLGITEMKEY TYPE STRING,
OPNCTLGMAINIMAGEURL TYPE STRING,
PRODUCTDESCRIPTION TYPE STRING,
OPNCTLGSRCHLONGTEXT TYPE STRING,
OPENCATALOGUSERRATINGVALUE TYPE STRING,
PRODUCTCATALOGNAME TYPE STRING,
OPNCTLGITEMPRICE TYPE STRING,
OPNCTLGITEMCURRENCY TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
UNITOFMEASURE TYPE STRING,
OPNCTLGMINORDERQUANTITY TYPE STRING,
MATERIALFIXEDLOTSIZEQUANTITY TYPE STRING,
OPNCTLGSUPPLIERNAME TYPE STRING,
MANUFACTURER TYPE STRING,
OPNCTLGMATERIALIDBYSUPPLIER TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
OPNCTLGPRCVALIDITYSTARTDATE TYPE STRING,
OPNCTLGPRCVALIDITYENDDATE TYPE STRING,
TAXTOLERANCEPERCENT TYPE STRING,
MANUFACTURERNAME TYPE STRING,
OPNCTLGINTCATALOGNAME TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
OPNCTLGSUPPLIERID TYPE STRING,
PRODUCTTYPE TYPE STRING,
OPNCTLGCATEGORYID TYPE STRING,
OPNCTLGHASPRODRELATIONEXISTS TYPE STRING,
OPNCTLGMAINIMAGETEXT TYPE STRING,
OPNCTLGMAINIMAGEID TYPE STRING,
OPNCTLGPRICEID TYPE STRING,
SERVICE TYPE STRING,
OPNCTLGEXTERNALPRODUCTID TYPE STRING,
OPNCTLGWEBSERVICEID TYPE STRING,
ITEMTYPE TYPE STRING,
OPNCTLGCONTENTUNIT TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
OPNCTLGCONTRACTITEM TYPE STRING,
OPNCTLGEXTERNALQUOTEID TYPE STRING,
OPNCTLGEXTQUOTEITEM TYPE STRING,
OPNCTLGEXTSCHEMATYPE TYPE STRING,
OPNCTLGEXTERNALCATEGORYID TYPE STRING,
OPNCTLGEXTERNALCATEGORY TYPE STRING,
PARENTITEM TYPE STRING,
OPNCTLGSYSTEMNAME TYPE STRING,
OPNCTLGLEADTMEANNCMNTDUDAYSVAL TYPE STRING,
OPNCTLGNUMBEROFHITS TYPE STRING,
ORDERQUANTITY TYPE STRING,
OBJECTTYPE TYPE STRING,
OPNCTLGORIGINAPPLICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COPNCTLGITEM_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_COPNCTLGITEM_STR-MANDT sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGITEMID sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGITEMKEY sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGMAINIMAGEURL sy-vline 
WA_COPNCTLGITEM_STR-PRODUCTDESCRIPTION sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGSRCHLONGTEXT sy-vline 
WA_COPNCTLGITEM_STR-OPENCATALOGUSERRATINGVALUE sy-vline 
WA_COPNCTLGITEM_STR-PRODUCTCATALOGNAME sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGITEMPRICE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGITEMCURRENCY sy-vline 
WA_COPNCTLGITEM_STR-NETPRICEQUANTITY sy-vline 
WA_COPNCTLGITEM_STR-UNITOFMEASURE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGMINORDERQUANTITY sy-vline 
WA_COPNCTLGITEM_STR-MATERIALFIXEDLOTSIZEQUANTITY sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGSUPPLIERNAME sy-vline 
WA_COPNCTLGITEM_STR-MANUFACTURER sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGMATERIALIDBYSUPPLIER sy-vline 
WA_COPNCTLGITEM_STR-MANUFACTURERMATERIAL sy-vline 
WA_COPNCTLGITEM_STR-MATERIALGROUP sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGPRCVALIDITYSTARTDATE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGPRCVALIDITYENDDATE sy-vline 
WA_COPNCTLGITEM_STR-TAXTOLERANCEPERCENT sy-vline 
WA_COPNCTLGITEM_STR-MANUFACTURERNAME sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGINTCATALOGNAME sy-vline 
WA_COPNCTLGITEM_STR-MATERIAL sy-vline 
WA_COPNCTLGITEM_STR-MATERIALGROUPNAME sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGSUPPLIERID sy-vline 
WA_COPNCTLGITEM_STR-PRODUCTTYPE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGCATEGORYID sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGHASPRODRELATIONEXISTS sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGMAINIMAGETEXT sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGMAINIMAGEID sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGPRICEID sy-vline 
WA_COPNCTLGITEM_STR-SERVICE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGEXTERNALPRODUCTID sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGWEBSERVICEID sy-vline 
WA_COPNCTLGITEM_STR-ITEMTYPE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGCONTENTUNIT sy-vline 
WA_COPNCTLGITEM_STR-CONTRACTACCOUNT sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGCONTRACTITEM sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGEXTERNALQUOTEID sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGEXTQUOTEITEM sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGEXTSCHEMATYPE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGEXTERNALCATEGORYID sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGEXTERNALCATEGORY sy-vline 
WA_COPNCTLGITEM_STR-PARENTITEM sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGSYSTEMNAME sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGLEADTMEANNCMNTDUDAYSVAL sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGNUMBEROFHITS sy-vline 
WA_COPNCTLGITEM_STR-ORDERQUANTITY sy-vline 
WA_COPNCTLGITEM_STR-OBJECTTYPE sy-vline 
WA_COPNCTLGITEM_STR-OPNCTLGORIGINAPPLICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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