ABAP Select data from SAP table IQTOLITEMDETLS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IQTOLITEMDETLS
*  INTO TABLE @DATA(IT_IQTOLITEMDETLS2).
*--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_IQTOLITEMDETLS INDEX 1 INTO DATA(WA_IQTOLITEMDETLS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IQTOLITEMDETLS>-MANDT = 1.
<IQTOLITEMDETLS>-ACMTOLERANCEHEADERUUID = 1.
<IQTOLITEMDETLS>-SEQUENCENUMBER = 1.
<IQTOLITEMDETLS>-ACMUNDERFILLOVERFILLDIRECTION = 1.
<IQTOLITEMDETLS>-ACMUNDERFILLOVERFILLDRCTNTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IQTOLITEMDETLS-ACMTOLITEMFROMPERCENTAGEVAL, sy-vline,
  WA_IQTOLITEMDETLS-ACMTOLITEMTOPERCENTAGEVAL, sy-vline,
  WA_IQTOLITEMDETLS-UNITOFMEASURE, sy-vline,
  WA_IQTOLITEMDETLS-TRADINGCONTRACTTOLERANCEVAL, sy-vline,
  WA_IQTOLITEMDETLS-TRADINGCONTRTOLERANCELIMITVAL, sy-vline,
  WA_IQTOLITEMDETLS-TRADINGCONTRTOLERANCELIMITTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IQTOLITEMDETLS 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_IQTOLITEMDETLS 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_IQTOLITEMDETLS INTO WA_IQTOLITEMDETLS.


*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 CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IQTOLITEMDETLS-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQTOLITEMDETLS-UNITOFMEASURE.
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_IQTOLITEMDETLS_STR, 
MANDT TYPE STRING,
ACMTOLERANCEHEADERUUID TYPE STRING,
SEQUENCENUMBER TYPE STRING,
ACMUNDERFILLOVERFILLDIRECTION TYPE STRING,
ACMUNDERFILLOVERFILLDRCTNTEXT TYPE STRING,
ACMTOLITEMFROMPERCENTAGEVAL TYPE STRING,
ACMTOLITEMTOPERCENTAGEVAL TYPE STRING,
UNITOFMEASURE TYPE STRING,
TRADINGCONTRACTTOLERANCEVAL TYPE STRING,
TRADINGCONTRTOLERANCELIMITVAL TYPE STRING,
TRADINGCONTRTOLERANCELIMITTEXT TYPE STRING,
ACMTOLITEMPRICEAPPLICATION TYPE STRING,
ACMTOLITEMPRICEAPPLICATIONTEXT TYPE STRING,
ACMREPLACEMENTPRICETYPE TYPE STRING,
ACMTOLITEMCONSUMPTIONRULE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IQTOLITEMDETLS_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_IQTOLITEMDETLS_STR-MANDT sy-vline 
WA_IQTOLITEMDETLS_STR-ACMTOLERANCEHEADERUUID sy-vline 
WA_IQTOLITEMDETLS_STR-SEQUENCENUMBER sy-vline 
WA_IQTOLITEMDETLS_STR-ACMUNDERFILLOVERFILLDIRECTION sy-vline 
WA_IQTOLITEMDETLS_STR-ACMUNDERFILLOVERFILLDRCTNTEXT sy-vline 
WA_IQTOLITEMDETLS_STR-ACMTOLITEMFROMPERCENTAGEVAL sy-vline 
WA_IQTOLITEMDETLS_STR-ACMTOLITEMTOPERCENTAGEVAL sy-vline 
WA_IQTOLITEMDETLS_STR-UNITOFMEASURE sy-vline 
WA_IQTOLITEMDETLS_STR-TRADINGCONTRACTTOLERANCEVAL sy-vline 
WA_IQTOLITEMDETLS_STR-TRADINGCONTRTOLERANCELIMITVAL sy-vline 
WA_IQTOLITEMDETLS_STR-TRADINGCONTRTOLERANCELIMITTEXT sy-vline 
WA_IQTOLITEMDETLS_STR-ACMTOLITEMPRICEAPPLICATION sy-vline 
WA_IQTOLITEMDETLS_STR-ACMTOLITEMPRICEAPPLICATIONTEXT sy-vline 
WA_IQTOLITEMDETLS_STR-ACMREPLACEMENTPRICETYPE sy-vline 
WA_IQTOLITEMDETLS_STR-ACMTOLITEMCONSUMPTIONRULE sy-vline      INTO ld_text SEPARATED BY SPACE.

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