ABAP Select data from SAP table ICS_ITEMAU into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICS_ITEMAU
*  INTO TABLE @DATA(IT_ICS_ITEMAU2).
*--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_ICS_ITEMAU INDEX 1 INTO DATA(WA_ICS_ITEMAU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICS_ITEMAU>-PROPMAKE = 1.
<ICS_ITEMAU>-PROPMODEL = 1.
<ICS_ITEMAU>-MODELTY = 1.
<ICS_ITEMAU>-VIN = 1.
<ICS_ITEMAU>-PLATECOUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICS_ITEMAU-PLATEREGION, sy-vline,
  WA_ICS_ITEMAU-PLATENO, sy-vline,
  WA_ICS_ITEMAU-CONSTYEAR, sy-vline,
  WA_ICS_ITEMAU-FIRSTREG, sy-vline,
  WA_ICS_ITEMAU-CAPACITY, sy-vline,
  WA_ICS_ITEMAU-CAPUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICS_ITEMAU 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_ICS_ITEMAU 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_ICS_ITEMAU INTO WA_ICS_ITEMAU.


*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 CAPUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICS_ITEMAU-CAPUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICS_ITEMAU-CAPUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit INSPE, internal->external for field GENERALINSP
CALL FUNCTION 'CONVERSION_EXIT_INSPE_OUTPUT'
  EXPORTING
    input =                      WA_ICS_ITEMAU-GENERALINSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICS_ITEMAU-GENERALINSP.
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_ICS_ITEMAU_STR, 
PROPMAKE TYPE STRING,
PROPMODEL TYPE STRING,
MODELTY TYPE STRING,
VIN TYPE STRING,
PLATECOUNTRY TYPE STRING,
PLATEREGION TYPE STRING,
PLATENO TYPE STRING,
CONSTYEAR TYPE STRING,
FIRSTREG TYPE STRING,
CAPACITY TYPE STRING,
CAPUNIT TYPE STRING,
COLOR TYPE STRING,
GEAR TYPE STRING,
XTHIRDPARTY TYPE STRING,
LOCATION TYPE STRING,
INSPDATE TYPE STRING,
WHENSEEN TYPE STRING,
PURPTRIP TYPE STRING,
LEASING TYPE STRING,
XPERM TYPE STRING,
XDAM TYPE STRING,
XVEHICIT TYPE STRING,
XDRIVCIT TYPE STRING,
XPVENDOR TYPE STRING,
XPARKED TYPE STRING,
XPRE TYPE STRING,
DRIVABLE TYPE STRING,
MILEAGE TYPE STRING,
MILEAGEUNIT TYPE STRING,
TREADF TYPE STRING,
TREADR TYPE STRING,
TREADUNIT TYPE STRING,
PCV TYPE STRING,
PCVCURR TYPE STRING,
OWPHREL TYPE STRING,
XTOTDAMAGE TYPE STRING,
XSTOLEN TYPE STRING,
XRECOVERED TYPE STRING,
RECOVERDATE TYPE STRING,
MONTH_FROM TYPE STRING,
MONTH_TO TYPE STRING,
OWNERCHANGE TYPE STRING,
GENERALINSP TYPE STRING,
CURR TYPE STRING,
SALVVALUE TYPE STRING,
ESTACV TYPE STRING,
EVALDATE TYPE STRING,
DETERMDATE TYPE STRING,
DATEATRPR TYPE STRING,
RPTDTOCB TYPE STRING,
SOLDDATE TYPE STRING,
XOWNERRET TYPE STRING,
HISTRATE TYPE STRING,
DAILYRATE TYPE STRING,
ASSIGNDATE TYPE STRING,
RETRVDATE TYPE STRING,
SETTLEDATE TYPE STRING,
STOCKNUM TYPE STRING,
YARDLOC TYPE STRING,
TITLETOSALV TYPE STRING,
TITLEFMSALV TYPE STRING,
TITLETOSTATE TYPE STRING,
TITLEFMSTATE TYPE STRING,
TITLERECV TYPE STRING,
CERTFICATEDT TYPE STRING,
REFNO TYPE STRING,
PDREF TYPE STRING,
PDPOS TYPE STRING,
REF_LOCCAT TYPE STRING,
PTYPE TYPE STRING,
SEL_LOCATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICS_ITEMAU_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_ICS_ITEMAU_STR-PROPMAKE sy-vline 
WA_ICS_ITEMAU_STR-PROPMODEL sy-vline 
WA_ICS_ITEMAU_STR-MODELTY sy-vline 
WA_ICS_ITEMAU_STR-VIN sy-vline 
WA_ICS_ITEMAU_STR-PLATECOUNTRY sy-vline 
WA_ICS_ITEMAU_STR-PLATEREGION sy-vline 
WA_ICS_ITEMAU_STR-PLATENO sy-vline 
WA_ICS_ITEMAU_STR-CONSTYEAR sy-vline 
WA_ICS_ITEMAU_STR-FIRSTREG sy-vline 
WA_ICS_ITEMAU_STR-CAPACITY sy-vline 
WA_ICS_ITEMAU_STR-CAPUNIT sy-vline 
WA_ICS_ITEMAU_STR-COLOR sy-vline 
WA_ICS_ITEMAU_STR-GEAR sy-vline 
WA_ICS_ITEMAU_STR-XTHIRDPARTY sy-vline 
WA_ICS_ITEMAU_STR-LOCATION sy-vline 
WA_ICS_ITEMAU_STR-INSPDATE sy-vline 
WA_ICS_ITEMAU_STR-WHENSEEN sy-vline 
WA_ICS_ITEMAU_STR-PURPTRIP sy-vline 
WA_ICS_ITEMAU_STR-LEASING sy-vline 
WA_ICS_ITEMAU_STR-XPERM sy-vline 
WA_ICS_ITEMAU_STR-XDAM sy-vline 
WA_ICS_ITEMAU_STR-XVEHICIT sy-vline 
WA_ICS_ITEMAU_STR-XDRIVCIT sy-vline 
WA_ICS_ITEMAU_STR-XPVENDOR sy-vline 
WA_ICS_ITEMAU_STR-XPARKED sy-vline 
WA_ICS_ITEMAU_STR-XPRE sy-vline 
WA_ICS_ITEMAU_STR-DRIVABLE sy-vline 
WA_ICS_ITEMAU_STR-MILEAGE sy-vline 
WA_ICS_ITEMAU_STR-MILEAGEUNIT sy-vline 
WA_ICS_ITEMAU_STR-TREADF sy-vline 
WA_ICS_ITEMAU_STR-TREADR sy-vline 
WA_ICS_ITEMAU_STR-TREADUNIT sy-vline 
WA_ICS_ITEMAU_STR-PCV sy-vline 
WA_ICS_ITEMAU_STR-PCVCURR sy-vline 
WA_ICS_ITEMAU_STR-OWPHREL sy-vline 
WA_ICS_ITEMAU_STR-XTOTDAMAGE sy-vline 
WA_ICS_ITEMAU_STR-XSTOLEN sy-vline 
WA_ICS_ITEMAU_STR-XRECOVERED sy-vline 
WA_ICS_ITEMAU_STR-RECOVERDATE sy-vline 
WA_ICS_ITEMAU_STR-MONTH_FROM sy-vline 
WA_ICS_ITEMAU_STR-MONTH_TO sy-vline 
WA_ICS_ITEMAU_STR-OWNERCHANGE sy-vline 
WA_ICS_ITEMAU_STR-GENERALINSP sy-vline 
WA_ICS_ITEMAU_STR-CURR sy-vline 
WA_ICS_ITEMAU_STR-SALVVALUE sy-vline 
WA_ICS_ITEMAU_STR-ESTACV sy-vline 
WA_ICS_ITEMAU_STR-EVALDATE sy-vline 
WA_ICS_ITEMAU_STR-DETERMDATE sy-vline 
WA_ICS_ITEMAU_STR-DATEATRPR sy-vline 
WA_ICS_ITEMAU_STR-RPTDTOCB sy-vline 
WA_ICS_ITEMAU_STR-SOLDDATE sy-vline 
WA_ICS_ITEMAU_STR-XOWNERRET sy-vline 
WA_ICS_ITEMAU_STR-HISTRATE sy-vline 
WA_ICS_ITEMAU_STR-DAILYRATE sy-vline 
WA_ICS_ITEMAU_STR-ASSIGNDATE sy-vline 
WA_ICS_ITEMAU_STR-RETRVDATE sy-vline 
WA_ICS_ITEMAU_STR-SETTLEDATE sy-vline 
WA_ICS_ITEMAU_STR-STOCKNUM sy-vline 
WA_ICS_ITEMAU_STR-YARDLOC sy-vline 
WA_ICS_ITEMAU_STR-TITLETOSALV sy-vline 
WA_ICS_ITEMAU_STR-TITLEFMSALV sy-vline 
WA_ICS_ITEMAU_STR-TITLETOSTATE sy-vline 
WA_ICS_ITEMAU_STR-TITLEFMSTATE sy-vline 
WA_ICS_ITEMAU_STR-TITLERECV sy-vline 
WA_ICS_ITEMAU_STR-CERTFICATEDT sy-vline 
WA_ICS_ITEMAU_STR-REFNO sy-vline 
WA_ICS_ITEMAU_STR-PDREF sy-vline 
WA_ICS_ITEMAU_STR-PDPOS sy-vline 
WA_ICS_ITEMAU_STR-REF_LOCCAT sy-vline 
WA_ICS_ITEMAU_STR-PTYPE sy-vline 
WA_ICS_ITEMAU_STR-SEL_LOCATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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