ABAP Select data from SAP table ICL_BW_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_BW_ITEM 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_BW_ITEM. 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_BW_ITEM 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_BW_ITEM TYPE STANDARD TABLE OF ICL_BW_ITEM,
      WA_ICL_BW_ITEM TYPE ICL_BW_ITEM,
      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_BW_ITEM> TYPE ICL_BW_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_BW_ITEM
*  INTO TABLE @DATA(IT_ICL_BW_ITEM2).
*--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_BW_ITEM INDEX 1 INTO DATA(WA_ICL_BW_ITEM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_BW_ITEM-CHANGETIME, sy-vline,
  WA_ICL_BW_ITEM-CHANGEDBY, sy-vline,
  WA_ICL_BW_ITEM-DELETED, sy-vline,
  WA_ICL_BW_ITEM-ITEMCAT, sy-vline,
  WA_ICL_BW_ITEM-ITEMTYPE, sy-vline,
  WA_ICL_BW_ITEM-ITEMUSE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_BW_ITEM 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_BW_ITEM 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_BW_ITEM INTO WA_ICL_BW_ITEM.


*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_BW_ITEM-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_BW_ITEM-CLAIM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field REPAIRSHOP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_BW_ITEM-REPAIRSHOP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_BW_ITEM-REPAIRSHOP.
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_BW_ITEM_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
ITEM TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
ITEMCAT TYPE STRING,
ITEMTYPE TYPE STRING,
ITEMUSE TYPE STRING,
COVTYPE TYPE STRING,
BENTYPE TYPE STRING,
RCOVTYPE TYPE STRING,
XWAITPERIOD TYPE STRING,
COVERAGE TYPE STRING,
SCPOSID_INT TYPE STRING,
SERVCAT TYPE STRING,
SCPOSID_EXT TYPE STRING,
STATUS TYPE STRING,
REJREASON TYPE STRING,
MODIFIED TYPE STRING,
PROCURED TYPE STRING,
CALCULATED TYPE STRING,
DESCRIPTION TYPE STRING,
DAILY TYPE STRING,
WEEKLY TYPE STRING,
MONTHLY TYPE STRING,
TOTAL TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
DNUMBER TYPE STRING,
EVALUATION TYPE STRING,
EVALCAT TYPE STRING,
EVALBASE TYPE STRING,
FACTOR TYPE STRING,
ACV TYPE STRING,
ACVPERCENT TYPE STRING,
CALCEXPRESSION TYPE STRING,
PERDAY TYPE STRING,
XDISCOUNTUSED TYPE STRING,
XDISCOUNTPERCENT TYPE STRING,
XDISC_2B_APPLIED TYPE STRING,
GROSNET TYPE STRING,
TXCOD TYPE STRING,
SUBCLREF TYPE STRING,
PROCUREMENT TYPE STRING,
ITEM_REF TYPE STRING,
DAMAGEDOBJ TYPE STRING,
ASSIGN_GUID TYPE STRING,
REFNO TYPE STRING,
PDREF TYPE STRING,
PDPOS TYPE STRING,
REF_LOCCAT TYPE STRING,
PTYPE TYPE STRING,
XGENEROS TYPE STRING,
ADDITIONAL_ITEM TYPE STRING,
ADDIT_ITEM_SUM TYPE STRING,
REMUN_TYPE TYPE STRING,
BENVALUE TYPE STRING,
XCREATEDMAN TYPE STRING,
CREATIONREASON TYPE STRING,
XGENLEDGERTP TYPE STRING,
PERIODICITY TYPE STRING,
ADDDUEDATE TYPE STRING,
TOTALVALUEANNUAL TYPE STRING,
PAYROLLVAR TYPE STRING,
DISBURSETYPE TYPE STRING,
EVDATE TYPE STRING,
LIABRATE TYPE STRING,
CLMDAMOUNT TYPE STRING,
XARCHDOC TYPE STRING,
OC TYPE STRING,
RC TYPE STRING,
INUMBER TYPE STRING,
AGE 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,
I_EVALUATION TYPE STRING,
I_CHANGETIME TYPE STRING,
I_CHANGEDBY TYPE STRING,
I_DELETED TYPE STRING,
I_EVAMOUNT TYPE STRING,
I_EVAMTPERUNIT TYPE STRING,
I_EVQUANTITY TYPE STRING,
I_EVQUANUNIT TYPE STRING,
I_EVCURR TYPE STRING,
EVAMTPERUNIT TYPE STRING,
EVQUANTITY TYPE STRING,
EVQUANUNIT TYPE STRING,
EVAMOUNT TYPE STRING,
EVCURR TYPE STRING,
DISCOUNTPERCENT TYPE STRING,
CLAIMTYPE TYPE STRING,
DATELOSS TYPE STRING,
PLINEOFBUS TYPE STRING,
COMPANYCODE TYPE STRING,
REPAIRSHOP TYPE STRING,
UPDMOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_BW_ITEM_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_BW_ITEM_STR-CLIENT sy-vline 
WA_ICL_BW_ITEM_STR-ACTIVE sy-vline 
WA_ICL_BW_ITEM_STR-CLAIM sy-vline 
WA_ICL_BW_ITEM_STR-SUBCLAIM sy-vline 
WA_ICL_BW_ITEM_STR-ITEM sy-vline 
WA_ICL_BW_ITEM_STR-CHANGETIME sy-vline 
WA_ICL_BW_ITEM_STR-CHANGEDBY sy-vline 
WA_ICL_BW_ITEM_STR-DELETED sy-vline 
WA_ICL_BW_ITEM_STR-ITEMCAT sy-vline 
WA_ICL_BW_ITEM_STR-ITEMTYPE sy-vline 
WA_ICL_BW_ITEM_STR-ITEMUSE sy-vline 
WA_ICL_BW_ITEM_STR-COVTYPE sy-vline 
WA_ICL_BW_ITEM_STR-BENTYPE sy-vline 
WA_ICL_BW_ITEM_STR-RCOVTYPE sy-vline 
WA_ICL_BW_ITEM_STR-XWAITPERIOD sy-vline 
WA_ICL_BW_ITEM_STR-COVERAGE sy-vline 
WA_ICL_BW_ITEM_STR-SCPOSID_INT sy-vline 
WA_ICL_BW_ITEM_STR-SERVCAT sy-vline 
WA_ICL_BW_ITEM_STR-SCPOSID_EXT sy-vline 
WA_ICL_BW_ITEM_STR-STATUS sy-vline 
WA_ICL_BW_ITEM_STR-REJREASON sy-vline 
WA_ICL_BW_ITEM_STR-MODIFIED sy-vline 
WA_ICL_BW_ITEM_STR-PROCURED sy-vline 
WA_ICL_BW_ITEM_STR-CALCULATED sy-vline 
WA_ICL_BW_ITEM_STR-DESCRIPTION sy-vline 
WA_ICL_BW_ITEM_STR-DAILY sy-vline 
WA_ICL_BW_ITEM_STR-WEEKLY sy-vline 
WA_ICL_BW_ITEM_STR-MONTHLY sy-vline 
WA_ICL_BW_ITEM_STR-TOTAL sy-vline 
WA_ICL_BW_ITEM_STR-VALIDFROM sy-vline 
WA_ICL_BW_ITEM_STR-VALIDTO sy-vline 
WA_ICL_BW_ITEM_STR-STARTDATE sy-vline 
WA_ICL_BW_ITEM_STR-ENDDATE sy-vline 
WA_ICL_BW_ITEM_STR-DNUMBER sy-vline 
WA_ICL_BW_ITEM_STR-EVALUATION sy-vline 
WA_ICL_BW_ITEM_STR-EVALCAT sy-vline 
WA_ICL_BW_ITEM_STR-EVALBASE sy-vline 
WA_ICL_BW_ITEM_STR-FACTOR sy-vline 
WA_ICL_BW_ITEM_STR-ACV sy-vline 
WA_ICL_BW_ITEM_STR-ACVPERCENT sy-vline 
WA_ICL_BW_ITEM_STR-CALCEXPRESSION sy-vline 
WA_ICL_BW_ITEM_STR-PERDAY sy-vline 
WA_ICL_BW_ITEM_STR-XDISCOUNTUSED sy-vline 
WA_ICL_BW_ITEM_STR-XDISCOUNTPERCENT sy-vline 
WA_ICL_BW_ITEM_STR-XDISC_2B_APPLIED sy-vline 
WA_ICL_BW_ITEM_STR-GROSNET sy-vline 
WA_ICL_BW_ITEM_STR-TXCOD sy-vline 
WA_ICL_BW_ITEM_STR-SUBCLREF sy-vline 
WA_ICL_BW_ITEM_STR-PROCUREMENT sy-vline 
WA_ICL_BW_ITEM_STR-ITEM_REF sy-vline 
WA_ICL_BW_ITEM_STR-DAMAGEDOBJ sy-vline 
WA_ICL_BW_ITEM_STR-ASSIGN_GUID sy-vline 
WA_ICL_BW_ITEM_STR-REFNO sy-vline 
WA_ICL_BW_ITEM_STR-PDREF sy-vline 
WA_ICL_BW_ITEM_STR-PDPOS sy-vline 
WA_ICL_BW_ITEM_STR-REF_LOCCAT sy-vline 
WA_ICL_BW_ITEM_STR-PTYPE sy-vline 
WA_ICL_BW_ITEM_STR-XGENEROS sy-vline 
WA_ICL_BW_ITEM_STR-ADDITIONAL_ITEM sy-vline 
WA_ICL_BW_ITEM_STR-ADDIT_ITEM_SUM sy-vline 
WA_ICL_BW_ITEM_STR-REMUN_TYPE sy-vline 
WA_ICL_BW_ITEM_STR-BENVALUE sy-vline 
WA_ICL_BW_ITEM_STR-XCREATEDMAN sy-vline 
WA_ICL_BW_ITEM_STR-CREATIONREASON sy-vline 
WA_ICL_BW_ITEM_STR-XGENLEDGERTP sy-vline 
WA_ICL_BW_ITEM_STR-PERIODICITY sy-vline 
WA_ICL_BW_ITEM_STR-ADDDUEDATE sy-vline 
WA_ICL_BW_ITEM_STR-TOTALVALUEANNUAL sy-vline 
WA_ICL_BW_ITEM_STR-PAYROLLVAR sy-vline 
WA_ICL_BW_ITEM_STR-DISBURSETYPE sy-vline 
WA_ICL_BW_ITEM_STR-EVDATE sy-vline 
WA_ICL_BW_ITEM_STR-LIABRATE sy-vline 
WA_ICL_BW_ITEM_STR-CLMDAMOUNT sy-vline 
WA_ICL_BW_ITEM_STR-XARCHDOC sy-vline 
WA_ICL_BW_ITEM_STR-OC sy-vline 
WA_ICL_BW_ITEM_STR-RC sy-vline 
WA_ICL_BW_ITEM_STR-INUMBER sy-vline 
WA_ICL_BW_ITEM_STR-AGE sy-vline 
WA_ICL_BW_ITEM_STR-RCORACV sy-vline 
WA_ICL_BW_ITEM_STR-CATALOGID sy-vline 
WA_ICL_BW_ITEM_STR-CATALOGITEM sy-vline 
WA_ICL_BW_ITEM_STR-MATNR sy-vline 
WA_ICL_BW_ITEM_STR-MATGROUP sy-vline 
WA_ICL_BW_ITEM_STR-PRICE_UNIT sy-vline 
WA_ICL_BW_ITEM_STR-VENDOR_CATALOG sy-vline 
WA_ICL_BW_ITEM_STR-VENDORMAT sy-vline 
WA_ICL_BW_ITEM_STR-MANUFACTCODE sy-vline 
WA_ICL_BW_ITEM_STR-MANUFACTMAT sy-vline 
WA_ICL_BW_ITEM_STR-SERVICE sy-vline 
WA_ICL_BW_ITEM_STR-CUST_FIELD1 sy-vline 
WA_ICL_BW_ITEM_STR-CUST_FIELD2 sy-vline 
WA_ICL_BW_ITEM_STR-CUST_FIELD3 sy-vline 
WA_ICL_BW_ITEM_STR-CUST_FIELD4 sy-vline 
WA_ICL_BW_ITEM_STR-CUST_FIELD5 sy-vline 
WA_ICL_BW_ITEM_STR-I_EVALUATION sy-vline 
WA_ICL_BW_ITEM_STR-I_CHANGETIME sy-vline 
WA_ICL_BW_ITEM_STR-I_CHANGEDBY sy-vline 
WA_ICL_BW_ITEM_STR-I_DELETED sy-vline 
WA_ICL_BW_ITEM_STR-I_EVAMOUNT sy-vline 
WA_ICL_BW_ITEM_STR-I_EVAMTPERUNIT sy-vline 
WA_ICL_BW_ITEM_STR-I_EVQUANTITY sy-vline 
WA_ICL_BW_ITEM_STR-I_EVQUANUNIT sy-vline 
WA_ICL_BW_ITEM_STR-I_EVCURR sy-vline 
WA_ICL_BW_ITEM_STR-EVAMTPERUNIT sy-vline 
WA_ICL_BW_ITEM_STR-EVQUANTITY sy-vline 
WA_ICL_BW_ITEM_STR-EVQUANUNIT sy-vline 
WA_ICL_BW_ITEM_STR-EVAMOUNT sy-vline 
WA_ICL_BW_ITEM_STR-EVCURR sy-vline 
WA_ICL_BW_ITEM_STR-DISCOUNTPERCENT sy-vline 
WA_ICL_BW_ITEM_STR-CLAIMTYPE sy-vline 
WA_ICL_BW_ITEM_STR-DATELOSS sy-vline 
WA_ICL_BW_ITEM_STR-PLINEOFBUS sy-vline 
WA_ICL_BW_ITEM_STR-COMPANYCODE sy-vline 
WA_ICL_BW_ITEM_STR-REPAIRSHOP sy-vline 
WA_ICL_BW_ITEM_STR-UPDMOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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