ABAP Select data from SAP table ICCTRITEMSEL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICCTRITEMSEL
*  INTO TABLE @DATA(IT_ICCTRITEMSEL2).
*--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_ICCTRITEMSEL INDEX 1 INTO DATA(WA_ICCTRITEMSEL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICCTRITEMSEL>-MANDT = 1.
<ICCTRITEMSEL>-CENTRALPURCHASECONTRACT = 1.
<ICCTRITEMSEL>-CENTRALPURCHASECONTRACTITEM = 1.
<ICCTRITEMSEL>-FORMATTEDPURCHASINGDOCITEM = 1.
<ICCTRITEMSEL>-PURCHASINGDOCUMENTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICCTRITEMSEL-MATERIAL, sy-vline,
  WA_ICCTRITEMSEL-PURCHASECONTRACTITEMTEXT, sy-vline,
  WA_ICCTRITEMSEL-MATERIALGROUP, sy-vline,
  WA_ICCTRITEMSEL-PURCHASINGGROUP, sy-vline,
  WA_ICCTRITEMSEL-PURCHASINGORGANIZATION, sy-vline,
  WA_ICCTRITEMSEL-PURCHASINGPROCESSINGSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICCTRITEMSEL 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_ICCTRITEMSEL 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_ICCTRITEMSEL INTO WA_ICCTRITEMSEL.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PURCHASINGDOCUMENTITEMUNIQUEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICCTRITEMSEL-PURCHASINGDOCUMENTITEMUNIQUEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICCTRITEMSEL-PURCHASINGDOCUMENTITEMUNIQUEID.
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_ICCTRITEMSEL_STR, 
MANDT TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CENTRALPURCHASECONTRACTITEM TYPE STRING,
FORMATTEDPURCHASINGDOCITEM TYPE STRING,
PURCHASINGDOCUMENTNAME TYPE STRING,
MATERIAL TYPE STRING,
PURCHASECONTRACTITEMTEXT TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGPROCESSINGSTATUS TYPE STRING,
COMPANYCODE TYPE STRING,
SUPPLIER TYPE STRING,
TARGETQUANTITY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
TARGETAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
PLANT TYPE STRING,
PURCHASINGDOCUMENTITEMUNIQUEID TYPE STRING,
PRODUCTTYPECODE TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
CONTRACTNETPRICEAMOUNT TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
PURCHASECONTRACTTYPE TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTORIGIN TYPE STRING,
PURGDOCCHANGEREQUESTSTATUS TYPE STRING,
PURCHASINGCONTRACTDELETIONCODE TYPE STRING,
PURCHASINGDOCUMENTSUBTYPE TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICCTRITEMSEL_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_ICCTRITEMSEL_STR-MANDT sy-vline 
WA_ICCTRITEMSEL_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_ICCTRITEMSEL_STR-CENTRALPURCHASECONTRACTITEM sy-vline 
WA_ICCTRITEMSEL_STR-FORMATTEDPURCHASINGDOCITEM sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGDOCUMENTNAME sy-vline 
WA_ICCTRITEMSEL_STR-MATERIAL sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASECONTRACTITEMTEXT sy-vline 
WA_ICCTRITEMSEL_STR-MATERIALGROUP sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGGROUP sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGORGANIZATION sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGPROCESSINGSTATUS sy-vline 
WA_ICCTRITEMSEL_STR-COMPANYCODE sy-vline 
WA_ICCTRITEMSEL_STR-SUPPLIER sy-vline 
WA_ICCTRITEMSEL_STR-TARGETQUANTITY sy-vline 
WA_ICCTRITEMSEL_STR-ORDERQUANTITYUNIT sy-vline 
WA_ICCTRITEMSEL_STR-TARGETAMOUNT sy-vline 
WA_ICCTRITEMSEL_STR-DOCUMENTCURRENCY sy-vline 
WA_ICCTRITEMSEL_STR-ORDERPRICEUNIT sy-vline 
WA_ICCTRITEMSEL_STR-VALIDITYSTARTDATE sy-vline 
WA_ICCTRITEMSEL_STR-VALIDITYENDDATE sy-vline 
WA_ICCTRITEMSEL_STR-PLANT sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGDOCUMENTITEMUNIQUEID sy-vline 
WA_ICCTRITEMSEL_STR-PRODUCTTYPECODE sy-vline 
WA_ICCTRITEMSEL_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_ICCTRITEMSEL_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_ICCTRITEMSEL_STR-CONTRACTNETPRICEAMOUNT sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASECONTRACTTYPE sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGDOCUMENTORIGIN sy-vline 
WA_ICCTRITEMSEL_STR-PURGDOCCHANGEREQUESTSTATUS sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGCONTRACTDELETIONCODE sy-vline 
WA_ICCTRITEMSEL_STR-PURCHASINGDOCUMENTSUBTYPE sy-vline 
WA_ICCTRITEMSEL_STR-ISENDOFPURPOSEBLOCKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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