ABAP Select data from SAP table ICL_ITEMEV2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_ITEMEV2 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 ICL_ITEMEV2. 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 ICL_ITEMEV2 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_ICL_ITEMEV2 TYPE STANDARD TABLE OF ICL_ITEMEV2,
      WA_ICL_ITEMEV2 TYPE ICL_ITEMEV2,
      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: <ICL_ITEMEV2> TYPE ICL_ITEMEV2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ICL_ITEMEV2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICL_ITEMEV2
  INTO TABLE IT_ICL_ITEMEV2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_ITEMEV2
*  INTO TABLE @DATA(IT_ICL_ITEMEV22).
*--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_ICL_ITEMEV2 INDEX 1 INTO DATA(WA_ICL_ITEMEV22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICL_ITEMEV2 ASSIGNING <ICL_ITEMEV2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_ITEMEV2>-CLIENT = 1.
<ICL_ITEMEV2>-ACTIVE = 1.
<ICL_ITEMEV2>-CLAIM = 1.
<ICL_ITEMEV2>-SUBCLAIM = 1.
<ICL_ITEMEV2>-ITEM = 1.

ENDLOOP.

LOOP AT IT_ICL_ITEMEV2 INTO WA_ICL_ITEMEV2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_ITEMEV2-EVALUATION, sy-vline,
  WA_ICL_ITEMEV2-CHANGETIME, sy-vline,
  WA_ICL_ITEMEV2-CHANGEDBY, sy-vline,
  WA_ICL_ITEMEV2-DELETED, sy-vline,
  WA_ICL_ITEMEV2-EVALCAT, sy-vline,
  WA_ICL_ITEMEV2-EVAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_ITEMEV2 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_ICL_ITEMEV2 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_ICL_ITEMEV2 INTO WA_ICL_ITEMEV2.


*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 CLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEV2-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEV2-CLAIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEV2-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEV2-CHANGETIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EVQUANUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEV2-EVQUANUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEV2-EVQUANUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEV2-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEV2-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VENDOR_CATALOG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEV2-VENDOR_CATALOG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEV2-VENDOR_CATALOG.
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_ICL_ITEMEV2_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
ITEM TYPE STRING,
EVALUATION TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
EVALCAT TYPE STRING,
EVAMOUNT TYPE STRING,
EVCURR TYPE STRING,
GROSNET TYPE STRING,
TXCOD TYPE STRING,
EVDATE TYPE STRING,
LIABRATE TYPE STRING,
EVALBASE TYPE STRING,
CLMDAMOUNT TYPE STRING,
EVAMTPERUNIT TYPE STRING,
EVQUANTITY TYPE STRING,
EVQUANUNIT TYPE STRING,
XARCHDOC TYPE STRING,
FACTOR TYPE STRING,
DNUMBER TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
PERDAY TYPE STRING,
OC TYPE STRING,
RC TYPE STRING,
ACV TYPE STRING,
INUMBER TYPE STRING,
AGE TYPE STRING,
ACVPERCENT TYPE STRING,
RCORACV TYPE STRING,
CATALOGID TYPE STRING,
CATALOGITEM TYPE STRING,
MATNR TYPE STRING,
MATGROUP TYPE STRING,
PRICE_UNIT TYPE STRING,
VENDOR_CATALOG TYPE STRING,
VENDORMAT TYPE STRING,
MANUFACTCODE TYPE STRING,
MANUFACTMAT TYPE STRING,
SERVICE TYPE STRING,
CUST_FIELD1 TYPE STRING,
CUST_FIELD2 TYPE STRING,
CUST_FIELD3 TYPE STRING,
CUST_FIELD4 TYPE STRING,
CUST_FIELD5 TYPE STRING,
PROCUREMENT TYPE STRING,
_DATAAGING TYPE STRING,
XSELECT TYPE STRING,
EVALCATN TYPE STRING,
EVALBASEN TYPE STRING,
GROSAMOUNT TYPE STRING,
GROSAMTCURR TYPE STRING,
OCCURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_ITEMEV2_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_ICL_ITEMEV2_STR-CLIENT sy-vline 
WA_ICL_ITEMEV2_STR-ACTIVE sy-vline 
WA_ICL_ITEMEV2_STR-CLAIM sy-vline 
WA_ICL_ITEMEV2_STR-SUBCLAIM sy-vline 
WA_ICL_ITEMEV2_STR-ITEM sy-vline 
WA_ICL_ITEMEV2_STR-EVALUATION sy-vline 
WA_ICL_ITEMEV2_STR-CHANGETIME sy-vline 
WA_ICL_ITEMEV2_STR-CHANGEDBY sy-vline 
WA_ICL_ITEMEV2_STR-DELETED sy-vline 
WA_ICL_ITEMEV2_STR-EVALCAT sy-vline 
WA_ICL_ITEMEV2_STR-EVAMOUNT sy-vline 
WA_ICL_ITEMEV2_STR-EVCURR sy-vline 
WA_ICL_ITEMEV2_STR-GROSNET sy-vline 
WA_ICL_ITEMEV2_STR-TXCOD sy-vline 
WA_ICL_ITEMEV2_STR-EVDATE sy-vline 
WA_ICL_ITEMEV2_STR-LIABRATE sy-vline 
WA_ICL_ITEMEV2_STR-EVALBASE sy-vline 
WA_ICL_ITEMEV2_STR-CLMDAMOUNT sy-vline 
WA_ICL_ITEMEV2_STR-EVAMTPERUNIT sy-vline 
WA_ICL_ITEMEV2_STR-EVQUANTITY sy-vline 
WA_ICL_ITEMEV2_STR-EVQUANUNIT sy-vline 
WA_ICL_ITEMEV2_STR-XARCHDOC sy-vline 
WA_ICL_ITEMEV2_STR-FACTOR sy-vline 
WA_ICL_ITEMEV2_STR-DNUMBER sy-vline 
WA_ICL_ITEMEV2_STR-STARTDATE sy-vline 
WA_ICL_ITEMEV2_STR-ENDDATE sy-vline 
WA_ICL_ITEMEV2_STR-PERDAY sy-vline 
WA_ICL_ITEMEV2_STR-OC sy-vline 
WA_ICL_ITEMEV2_STR-RC sy-vline 
WA_ICL_ITEMEV2_STR-ACV sy-vline 
WA_ICL_ITEMEV2_STR-INUMBER sy-vline 
WA_ICL_ITEMEV2_STR-AGE sy-vline 
WA_ICL_ITEMEV2_STR-ACVPERCENT sy-vline 
WA_ICL_ITEMEV2_STR-RCORACV sy-vline 
WA_ICL_ITEMEV2_STR-CATALOGID sy-vline 
WA_ICL_ITEMEV2_STR-CATALOGITEM sy-vline 
WA_ICL_ITEMEV2_STR-MATNR sy-vline 
WA_ICL_ITEMEV2_STR-MATGROUP sy-vline 
WA_ICL_ITEMEV2_STR-PRICE_UNIT sy-vline 
WA_ICL_ITEMEV2_STR-VENDOR_CATALOG sy-vline 
WA_ICL_ITEMEV2_STR-VENDORMAT sy-vline 
WA_ICL_ITEMEV2_STR-MANUFACTCODE sy-vline 
WA_ICL_ITEMEV2_STR-MANUFACTMAT sy-vline 
WA_ICL_ITEMEV2_STR-SERVICE sy-vline 
WA_ICL_ITEMEV2_STR-CUST_FIELD1 sy-vline 
WA_ICL_ITEMEV2_STR-CUST_FIELD2 sy-vline 
WA_ICL_ITEMEV2_STR-CUST_FIELD3 sy-vline 
WA_ICL_ITEMEV2_STR-CUST_FIELD4 sy-vline 
WA_ICL_ITEMEV2_STR-CUST_FIELD5 sy-vline 
WA_ICL_ITEMEV2_STR-PROCUREMENT sy-vline 
WA_ICL_ITEMEV2_STR-_DATAAGING sy-vline 
WA_ICL_ITEMEV2_STR-XSELECT sy-vline 
WA_ICL_ITEMEV2_STR-EVALCATN sy-vline 
WA_ICL_ITEMEV2_STR-EVALBASEN sy-vline 
WA_ICL_ITEMEV2_STR-GROSAMOUNT sy-vline 
WA_ICL_ITEMEV2_STR-GROSAMTCURR sy-vline 
WA_ICL_ITEMEV2_STR-OCCURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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