Need help to use 'When' clause in CTL file

Hi,
I have a requirement
in ctl file while loading file names in to a table we need to ignore if the filename already exist in the table
eg:
load infile.txt
into a
when filename not in (select filename from a) append
filename varchar(1000)
is it possible?? any way to achieve this?? Pleas help..
Thanks in advance..

user3647602 wrote:
Hi,
I have a requirement
in ctl file while loading file names in to a table we need to ignore if the filename already exist in the table
eg:
load infile.txt
into a
when filename not in (select filename from a) append
filename varchar(1000)
is it possible?? any way to achieve this?? Pleas help..
Thanks in advance..Easiest method i can think of would be to use an EXTERNAL TABLE instead of SQL LOADER.
Much more flexible.
Cheers,

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===============================================
REPORT zmm_materialupload.
eject
$$******************************************************************************
$$    TYPES
$$******************************************************************************
eject
$$******************************************************************************
$$    INTERNAL TABLES (custom structure
$$******************************************************************************
eject
$$******************************************************************************
$$    RANGES
$$******************************************************************************
eject
$$******************************************************************************
$$    FIELD-SYMBOLS
$$******************************************************************************
eject
$$******************************************************************************
$$    PARAMETERS & SELECT-OPTIONS
$$******************************************************************************
SELECTION-SCREEN BEGIN OF BLOCK 1 WITH FRAME TITLE text-001.
*SELECT-OPTIONS: s_matnr FOR mara-matnr.
SELECT-OPTIONS: s_mtart FOR mara-mtart.
SELECT-OPTIONS: s_mbrsh FOR mara-mbrsh DEFAULT 'P'.
SELECT-OPTIONS: s_werks FOR marc-werks DEFAULT '1000' OBLIGATORY.
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PARAMETERS: p_path LIKE rlgrap-filename DEFAULT 'C:\Documents and Settings\training_11\Desktop\Book4 (2ITEMS).txt' OBLIGATORY.
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AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_path.
CALL FUNCTION 'F4_FILENAME'
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eject
$$******************************************************************************
$$    START-OF-SELECTION
$$******************************************************************************
START-OF-SELECTION.
PERFORM check_input.
PERFORM get_file.
PERFORM filter_input.
PERFORM populate_tabs.
PERFORM bapi_mat.
eject
$$******************************************************************************
$$    FORMS
$$******************************************************************************
FORM bapi_mat.
LOOP AT it_tab INTO wa_tab.
    CALL FUNCTION 'BAPI_MATERIAL_GETINTNUMBER'
      EXPORTING
        material_type    = wa_tab-mtart
        industry_sector = wa_tab-mbrsh
        required_numbers = 1
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        material_number = it_matnr.
ENDLOOP.
LOOP AT it_matnr INTO wa_matnr.
    READ TABLE it_tab INTO wa_tab INDEX sy-tabix.
    wa_tab-matnr = wa_matnr-material.
    MODIFY it_tab FROM wa_tab INDEX sy-tabix.
ENDLOOP.
PERFORM populate_tabs.
CALL FUNCTION 'BAPI_MATERIAL_SAVEDATA'
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    clientdata                 = it_clientdata
    clientdatax                = it_clientdatax
    plantdata                  = it_plantdata
    plantdatax                 = it_plantdatax
    FORECASTPARAMETERS         =
    FORECASTPARAMETERSX        =
    PLANNINGDATA               =
    PLANNINGDATAX              =
    STORAGELOCATIONDATA        =
    STORAGELOCATIONDATAX       =
    valuationdata              = it_valuationdata
    valuationdatax             = it_valuationdatax
     WAREHOUSENUMBERDATA        =
    WAREHOUSENUMBERDATAX       =
    SALESDATA                  =
    SALESDATAX                 =
    STORAGETYPEDATA            =
    STORAGETYPEDATAX           =
    flag_online                = ' '
    flag_cad_call              = ' '
    NO_DEQUEUE                 = ' '
    NO_ROLLBACK_WORK           = ' '
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     materialdescription        = it_materialdescription
     unitsofmeasure             = it_unitsofmeasure
     unitsofmeasurex            = it_unitsofmeasurex
     internationalartnos        = it_internationalartnos
     materiallongtext           = it_materiallongtext
     taxclassifications         = it_taxclassifications
     returnmessages             = it_returnmessages
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    PRTDATAX                   =
    EXTENSIONIN                =
    EXTENSIONINX               =
IF sy-subrc = 0.
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      filetype                = 'ASC'
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      file_open_error         = 1
      file_read_error         = 2
      no_batch                = 3
      gui_refuse_filetransfer = 4
      invalid_type            = 5
      no_authority            = 6
      unknown_error           = 7
      bad_data_format         = 8
      header_not_allowed      = 9
      separator_not_allowed   = 10
      header_too_long         = 11
      unknown_dp_error        = 12
      access_denied           = 13
      dp_out_of_memory        = 14
      disk_full               = 15
      dp_timeout              = 16
      OTHERS                  = 17.
IF sy-subrc <> 0.
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*&      Form check_input
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FORM check_input.
Material Type
IF s_mtart-low IS INITIAL AND s_mtart-high IS INITIAL.
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IF s_mtart-low IS NOT INITIAL AND s_mtart-high IS INITIAL.
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Industry Sector
IF s_mbrsh-low IS INITIAL AND s_mbrsh-high IS INITIAL.
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*&      Form Filter_input
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FORM filter_input.
SORT it_tab BY matnr mtart mbrsh werks lgort.
LOOP AT it_tab INTO wa_tab.
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     DELETE it_tab WHERE mbrsh NOT IN s_mbrsh.
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    IF wa_tab-werks NOT IN s_werks.
      DELETE it_tab WHERE werks NOT IN s_werks.
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    IF wa_tab-lgort NOT IN s_lgort.
      DELETE it_tab WHERE lgort NOT IN s_lgort.
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ENDFORM.                    "Filter_input
*&      Form populate_tabs
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FORM    populate_tabs.
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                   'X' TO wa_headdata-mrp_view,
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         wa_tab-meins TO wa_clientdata-base_uom,
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         wa_tab-gewei TO wa_clientdata-unit_of_wt,
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                  'X' TO wa_valuationdatax-std_price,
                  'X' TO wa_valuationdatax-lifo_fifo.
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   APPEND wa_clientdata TO it_clientdata.
   APPEND wa_plantdata TO it_plantdata.
   APPEND wa_valuationdata TO it_valuationdata.
   MODIFY it_tab FROM wa_tab TRANSPORTING matnr.
ENDLOOP.
ENDFORM.                    "populate_tabs
$$******************************************************************************

Hai.
check the below example.
REPORT z34332_bdc_create_material .
data: la_headdata type BAPIMATHEAD,
la_clientdata type BAPI_MARA,
la_CLIENTDATAX type BAPI_MARAX,
la_return type BAPIRET2.
data: i_materialdescription type table of BAPI_MAKT,
wa_materialdescription like line of i_materialdescription.
la_headdata-MATERIAL = '000000000000000004'.
la_headdata-IND_SECTOR = 'M'.
la_headdata-MATL_TYPE = 'FERT'.
la_clientdata-BASE_UOM = 'FT3'.
la_CLIENTDATAX-BASE_UOM = 'X'.
la_clientdata-MATL_GROUP = '01'.
la_CLIENTDATAX-MATL_GROUP = 'X'.
wa_materialdescription = 'TEST'.
append wa_materialdescription to i_materialdescription.
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CALL FUNCTION 'BAPI_MATERIAL_SAVEDATA'
EXPORTING
headdata = la_headdata
CLIENTDATA = la_clientdata
CLIENTDATAX = la_CLIENTDATAX
PLANTDATA =
PLANTDATAX =
FORECASTPARAMETERS =
FORECASTPARAMETERSX =
PLANNINGDATA =
PLANNINGDATAX =
STORAGELOCATIONDATA =
STORAGELOCATIONDATAX =
VALUATIONDATA =
VALUATIONDATAX =
WAREHOUSENUMBERDATA =
WAREHOUSENUMBERDATAX =
SALESDATA =
SALESDATAX =
STORAGETYPEDATA =
STORAGETYPEDATAX =
FLAG_ONLINE = ' '
FLAG_CAD_CALL = ' '
IMPORTING
RETURN = la_return
TABLES
MATERIALDESCRIPTION = i_materialdescription
UNITSOFMEASURE =
UNITSOFMEASUREX =
INTERNATIONALARTNOS =
MATERIALLONGTEXT =
TAXCLASSIFICATIONS =
RETURNMESSAGES =
PRTDATA =
PRTDATAX =
EXTENSIONIN =
EXTENSIONINX =
write: la_return-TYPE, ',', la_return-MESSAGE.
clear: la_headdata, la_return, la_clientdata, la_clientdatax.
regards.
sowjanya.b.

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Need help to use 'When' clause in CTL file

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