ABAP Select data from SAP table IQUOTGRPITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IQUOTGRPITEM
*  INTO TABLE @DATA(IT_IQUOTGRPITEM2).
*--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_IQUOTGRPITEM INDEX 1 INTO DATA(WA_IQUOTGRPITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IQUOTGRPITEM>-MANDT = 1.
<IQUOTGRPITEM>-QUOTATIONGROUP = 1.
<IQUOTGRPITEM>-QUOTATIONGROUPITEM = 1.
<IQUOTGRPITEM>-QUOTATIONGROUPITEMSIGN = 1.
<IQUOTGRPITEM>-MARKETDATASCENARIO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IQUOTGRPITEM-DERIVATIVECONTRSPECIFICATION, sy-vline,
  WA_IQUOTGRPITEM-MARKETIDENTIFIERCODE, sy-vline,
  WA_IQUOTGRPITEM-QUOTATIONPRICETYPE, sy-vline,
  WA_IQUOTGRPITEM-MARKETDATAACCESSKEY, sy-vline,
  WA_IQUOTGRPITEM-COMMODITYCURVE, sy-vline,
  WA_IQUOTGRPITEM-COMMODITYCURVEREADINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IQUOTGRPITEM 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_IQUOTGRPITEM 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_IQUOTGRPITEM INTO WA_IQUOTGRPITEM.


*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 DERIVATIVECONTRACTMATURITYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IQUOTGRPITEM-DERIVATIVECONTRACTMATURITYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IQUOTGRPITEM-DERIVATIVECONTRACTMATURITYCODE.
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_IQUOTGRPITEM_STR, 
MANDT TYPE STRING,
QUOTATIONGROUP TYPE STRING,
QUOTATIONGROUPITEM TYPE STRING,
QUOTATIONGROUPITEMSIGN TYPE STRING,
MARKETDATASCENARIO TYPE STRING,
DERIVATIVECONTRSPECIFICATION TYPE STRING,
MARKETIDENTIFIERCODE TYPE STRING,
QUOTATIONPRICETYPE TYPE STRING,
MARKETDATAACCESSKEY TYPE STRING,
COMMODITYCURVE TYPE STRING,
COMMODITYCURVEREADINGDATE TYPE STRING,
COMMODITYCURVEDRVTVCONTRSPEC TYPE STRING,
COMMODITYCURVEMARKETIDFRCODE TYPE STRING,
COMMODITYCURVETYPE TYPE STRING,
COMMODITYCURVECOMMODITY TYPE STRING,
TIMETOMATURITY TYPE STRING,
CMMDTYFORWARDINDEXTIMING TYPE STRING,
MATURITYKEYDATE TYPE STRING,
DERIVATIVECONTRACTMATURITYCODE TYPE STRING,
BASISID TYPE STRING,
BASISTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IQUOTGRPITEM_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_IQUOTGRPITEM_STR-MANDT sy-vline 
WA_IQUOTGRPITEM_STR-QUOTATIONGROUP sy-vline 
WA_IQUOTGRPITEM_STR-QUOTATIONGROUPITEM sy-vline 
WA_IQUOTGRPITEM_STR-QUOTATIONGROUPITEMSIGN sy-vline 
WA_IQUOTGRPITEM_STR-MARKETDATASCENARIO sy-vline 
WA_IQUOTGRPITEM_STR-DERIVATIVECONTRSPECIFICATION sy-vline 
WA_IQUOTGRPITEM_STR-MARKETIDENTIFIERCODE sy-vline 
WA_IQUOTGRPITEM_STR-QUOTATIONPRICETYPE sy-vline 
WA_IQUOTGRPITEM_STR-MARKETDATAACCESSKEY sy-vline 
WA_IQUOTGRPITEM_STR-COMMODITYCURVE sy-vline 
WA_IQUOTGRPITEM_STR-COMMODITYCURVEREADINGDATE sy-vline 
WA_IQUOTGRPITEM_STR-COMMODITYCURVEDRVTVCONTRSPEC sy-vline 
WA_IQUOTGRPITEM_STR-COMMODITYCURVEMARKETIDFRCODE sy-vline 
WA_IQUOTGRPITEM_STR-COMMODITYCURVETYPE sy-vline 
WA_IQUOTGRPITEM_STR-COMMODITYCURVECOMMODITY sy-vline 
WA_IQUOTGRPITEM_STR-TIMETOMATURITY sy-vline 
WA_IQUOTGRPITEM_STR-CMMDTYFORWARDINDEXTIMING sy-vline 
WA_IQUOTGRPITEM_STR-MATURITYKEYDATE sy-vline 
WA_IQUOTGRPITEM_STR-DERIVATIVECONTRACTMATURITYCODE sy-vline 
WA_IQUOTGRPITEM_STR-BASISID sy-vline 
WA_IQUOTGRPITEM_STR-BASISTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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