ABAP Select data from SAP table ISPQTNITEM 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 ISPQTNITEM 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 ISPQTNITEM. 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 ISPQTNITEM 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_ISPQTNITEM TYPE STANDARD TABLE OF ISPQTNITEM,
      WA_ISPQTNITEM TYPE ISPQTNITEM,
      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: <ISPQTNITEM> TYPE ISPQTNITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPQTNITEM
*  INTO TABLE @DATA(IT_ISPQTNITEM2).
*--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_ISPQTNITEM INDEX 1 INTO DATA(WA_ISPQTNITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPQTNITEM>-MANDT = 1.
<ISPQTNITEM>-SRCGPROJQTNITEMUUID = 1.
<ISPQTNITEM>-SOURCINGPROJECTQUOTATIONUUID = 1.
<ISPQTNITEM>-SOURCINGPROJECTQUOTATIONITEM = 1.
<ISPQTNITEM>-SRCGPROJQUOTATIONITEMTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPQTNITEM-SRCGPROJQTNITEMCLASSIFICATION, sy-vline,
  WA_ISPQTNITEM-SOURCINGPROJECTITEMSTABLEUUID, sy-vline,
  WA_ISPQTNITEM-SRCGPROJQTNITEMDESCRIPTION, sy-vline,
  WA_ISPQTNITEM-SOURCINGPROJECTITEMUUID, sy-vline,
  WA_ISPQTNITEM-PLANT, sy-vline,
  WA_ISPQTNITEM-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPQTNITEM 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_ISPQTNITEM 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_ISPQTNITEM INTO WA_ISPQTNITEM.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SRCGPROJQUOTATIONITEMPARENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPQTNITEM-SRCGPROJQUOTATIONITEMPARENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPQTNITEM-SRCGPROJQUOTATIONITEMPARENT.
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_ISPQTNITEM_STR, 
MANDT TYPE STRING,
SRCGPROJQTNITEMUUID TYPE STRING,
SOURCINGPROJECTQUOTATIONUUID TYPE STRING,
SOURCINGPROJECTQUOTATIONITEM TYPE STRING,
SRCGPROJQUOTATIONITEMTYPE TYPE STRING,
SRCGPROJQTNITEMCLASSIFICATION TYPE STRING,
SOURCINGPROJECTITEMSTABLEUUID TYPE STRING,
SRCGPROJQTNITEMDESCRIPTION TYPE STRING,
SOURCINGPROJECTITEMUUID TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
PRODUCTTYPE TYPE STRING,
MATERIALGROUP TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
NETAMOUNT TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
SRCGPROJQTNITEMTOTNETAMT TYPE STRING,
REQUESTEDQUANTITY TYPE STRING,
SRCGPROJQTNOFFEREDQUANTITY TYPE STRING,
REQUESTEDQUANTITYUNIT TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
PROPOSEDDELIVERYDATE TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
REFERENCEDELIVERYADDRESSID TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
SRCGPROJQUOTATIONITEMPARENT TYPE STRING,
HIERARCHYNODELEVEL TYPE STRING,
ALTERNATIVEITEMID TYPE STRING,
FORMATTEDITEMID TYPE STRING,
HIERARCHYNODESUBTREESIZE TYPE STRING,
NUMBEROFCHILDNODES TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PROCUREMENTHUBSOURCESYSTEM TYPE STRING,
SRCGPROJQTNITEMSUITABILITY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
SRCGPROJQTNOFFERCURRENCY TYPE STRING,
SRCGPROJQTNITEMOFFERINGCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPQTNITEM_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_ISPQTNITEM_STR-MANDT sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNITEMUUID sy-vline 
WA_ISPQTNITEM_STR-SOURCINGPROJECTQUOTATIONUUID sy-vline 
WA_ISPQTNITEM_STR-SOURCINGPROJECTQUOTATIONITEM sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQUOTATIONITEMTYPE sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNITEMCLASSIFICATION sy-vline 
WA_ISPQTNITEM_STR-SOURCINGPROJECTITEMSTABLEUUID sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNITEMDESCRIPTION sy-vline 
WA_ISPQTNITEM_STR-SOURCINGPROJECTITEMUUID sy-vline 
WA_ISPQTNITEM_STR-PLANT sy-vline 
WA_ISPQTNITEM_STR-MATERIAL sy-vline 
WA_ISPQTNITEM_STR-PRODUCTTYPE sy-vline 
WA_ISPQTNITEM_STR-MATERIALGROUP sy-vline 
WA_ISPQTNITEM_STR-NETPRICEAMOUNT sy-vline 
WA_ISPQTNITEM_STR-NETAMOUNT sy-vline 
WA_ISPQTNITEM_STR-NETPRICEQUANTITY sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNITEMTOTNETAMT sy-vline 
WA_ISPQTNITEM_STR-REQUESTEDQUANTITY sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNOFFEREDQUANTITY sy-vline 
WA_ISPQTNITEM_STR-REQUESTEDQUANTITYUNIT sy-vline 
WA_ISPQTNITEM_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_ISPQTNITEM_STR-PROPOSEDDELIVERYDATE sy-vline 
WA_ISPQTNITEM_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_ISPQTNITEM_STR-PERFORMANCEPERIODENDDATE sy-vline 
WA_ISPQTNITEM_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_ISPQTNITEM_STR-REFERENCEDELIVERYADDRESSID sy-vline 
WA_ISPQTNITEM_STR-ORDERPRICEUNIT sy-vline 
WA_ISPQTNITEM_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_ISPQTNITEM_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQUOTATIONITEMPARENT sy-vline 
WA_ISPQTNITEM_STR-HIERARCHYNODELEVEL sy-vline 
WA_ISPQTNITEM_STR-ALTERNATIVEITEMID sy-vline 
WA_ISPQTNITEM_STR-FORMATTEDITEMID sy-vline 
WA_ISPQTNITEM_STR-HIERARCHYNODESUBTREESIZE sy-vline 
WA_ISPQTNITEM_STR-NUMBEROFCHILDNODES sy-vline 
WA_ISPQTNITEM_STR-COMPANYCODE sy-vline 
WA_ISPQTNITEM_STR-PURCHASINGGROUP sy-vline 
WA_ISPQTNITEM_STR-PURCHASINGORGANIZATION sy-vline 
WA_ISPQTNITEM_STR-PROCUREMENTHUBSOURCESYSTEM sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNITEMSUITABILITY sy-vline 
WA_ISPQTNITEM_STR-DOCUMENTCURRENCY sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNOFFERCURRENCY sy-vline 
WA_ISPQTNITEM_STR-SRCGPROJQTNITEMOFFERINGCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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