ABAP Select data from SAP table ICNTRLRFQITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICNTRLRFQITEM
*  INTO TABLE @DATA(IT_ICNTRLRFQITEM2).
*--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_ICNTRLRFQITEM INDEX 1 INTO DATA(WA_ICNTRLRFQITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICNTRLRFQITEM>-MANDT = 1.
<ICNTRLRFQITEM>-CENTRALREQUESTFORQUOTATION = 1.
<ICNTRLRFQITEM>-CENTRALREQUESTFORQUOTATIONITEM = 1.
<ICNTRLRFQITEM>-PURCHASINGDOCUMENTCATEGORY = 1.
<ICNTRLRFQITEM>-PURCHASINGDOCUMENTITEMTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICNTRLRFQITEM-PRODUCTTYPE, sy-vline,
  WA_ICNTRLRFQITEM-PRODUCTTYPECODE, sy-vline,
  WA_ICNTRLRFQITEM-MANUFACTURERMATERIAL, sy-vline,
  WA_ICNTRLRFQITEM-MANUFACTURERPARTNMBR, sy-vline,
  WA_ICNTRLRFQITEM-MANUFACTURER, sy-vline,
  WA_ICNTRLRFQITEM-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICNTRLRFQITEM 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_ICNTRLRFQITEM 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_ICNTRLRFQITEM INTO WA_ICNTRLRFQITEM.


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

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

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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field PURCHASINGCENTRALMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ICNTRLRFQITEM-PURCHASINGCENTRALMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICNTRLRFQITEM-PURCHASINGCENTRALMATERIAL.
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_ICNTRLRFQITEM_STR, 
MANDT TYPE STRING,
CENTRALREQUESTFORQUOTATION TYPE STRING,
CENTRALREQUESTFORQUOTATIONITEM TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
PRODUCTTYPE TYPE STRING,
PRODUCTTYPECODE TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
MANUFACTURERPARTNMBR TYPE STRING,
MANUFACTURER TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
REFERENCEDELIVERYADDRESSID TYPE STRING,
ADDRESSID TYPE STRING,
ITEMDELIVERYADDRESSID TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
ORDERITEMQTYTOBASEQTYNMRTR TYPE STRING,
ORDERITEMQTYTOBASEQTYDNMNTR TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
BASEUNIT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
REQUIREMENTTRACKING TYPE STRING,
PURCHASINGCENTRALMATERIAL TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICNTRLRFQITEM_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_ICNTRLRFQITEM_STR-MANDT sy-vline 
WA_ICNTRLRFQITEM_STR-CENTRALREQUESTFORQUOTATION sy-vline 
WA_ICNTRLRFQITEM_STR-CENTRALREQUESTFORQUOTATIONITEM sy-vline 
WA_ICNTRLRFQITEM_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_ICNTRLRFQITEM_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_ICNTRLRFQITEM_STR-PRODUCTTYPE sy-vline 
WA_ICNTRLRFQITEM_STR-PRODUCTTYPECODE sy-vline 
WA_ICNTRLRFQITEM_STR-MANUFACTURERMATERIAL sy-vline 
WA_ICNTRLRFQITEM_STR-MANUFACTURERPARTNMBR sy-vline 
WA_ICNTRLRFQITEM_STR-MANUFACTURER sy-vline 
WA_ICNTRLRFQITEM_STR-MATERIALGROUP sy-vline 
WA_ICNTRLRFQITEM_STR-PLANT sy-vline 
WA_ICNTRLRFQITEM_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_ICNTRLRFQITEM_STR-REFERENCEDELIVERYADDRESSID sy-vline 
WA_ICNTRLRFQITEM_STR-ADDRESSID sy-vline 
WA_ICNTRLRFQITEM_STR-ITEMDELIVERYADDRESSID sy-vline 
WA_ICNTRLRFQITEM_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_ICNTRLRFQITEM_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_ICNTRLRFQITEM_STR-INCOTERMSLOCATION1 sy-vline 
WA_ICNTRLRFQITEM_STR-INCOTERMSLOCATION2 sy-vline 
WA_ICNTRLRFQITEM_STR-ORDERQUANTITYUNIT sy-vline 
WA_ICNTRLRFQITEM_STR-ORDERITEMQTYTOBASEQTYNMRTR sy-vline 
WA_ICNTRLRFQITEM_STR-ORDERITEMQTYTOBASEQTYDNMNTR sy-vline 
WA_ICNTRLRFQITEM_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_ICNTRLRFQITEM_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_ICNTRLRFQITEM_STR-BASEUNIT sy-vline 
WA_ICNTRLRFQITEM_STR-PURCHASEREQUISITION sy-vline 
WA_ICNTRLRFQITEM_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_ICNTRLRFQITEM_STR-REQUIREMENTTRACKING sy-vline 
WA_ICNTRLRFQITEM_STR-PURCHASINGCENTRALMATERIAL sy-vline 
WA_ICNTRLRFQITEM_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_ICNTRLRFQITEM_STR-NETPRICEAMOUNT sy-vline 
WA_ICNTRLRFQITEM_STR-DOCUMENTCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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