Why cant poll a file more than once using File Adapter..

Hi All,
When we run webservice, as I am using File Adapter to read/write the file information.
Usually, File Adapter reads once every file and it wont read again the same file whcih already red.
Where and How this status maintained by File Adapter/BPEL in the system.
Where this will be avvailable and why cant File Adapter read/poll the same file.
Pls can any one of you share your ideas on the same.
Thanks.

Hi,
Tried to get some information around where ftp adapter stores the timestamp but couldnt find anything useful.
But we have a table for File adapter which captures the processing information (FILEADAPTER_IN )
I dont have the setup for FTP adapter to run an example. If you could try the below we can clarify that the timestamp is not stored in memory.
Configure as usual for a folder with a file pattern for FTP adapter.
Drop a file to process it and then restart the SOA Suite and try to drop the same file with same timestamp to see wheather FTP adapter picks up or not.
Ideally i feel once you restart the SOA Suite it should pick up the file, if still not picks up the file for second time then we need to dig indepth to see where this information is stored.
btw what is your usecase ?
Thanks,
Vijay
Edited by: veejai24 on 11-Apr-2012 03:43

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    It will execute 3 times the function any_function... logically the value will be the same for all columns...
    I understand why!... are 3 calls... but...
    Why not to create a "small" verification and if the function column was execute replace the second, the third... value? ... instead of execute 3, 4... times...
    tks
    Braga

    Actually, this is more than a performance issue. This is a consistency problem. If the function is NOT deterministic then you may get different values for each call which is clearly not consistent with selecting 3 copies of the same column from a row. Oracle appears to have fixed this in 9i...
    Connected to:
    Oracle8i Enterprise Edition Release 8.1.7.2.0 - Production
    With the Partitioning option
    JServer Release 8.1.7.2.0 - Production
    create view v1 as select dbms_random.value(1,100) r from dual;
    create view v2 as select r r1, r r2 from v1;
    select * from v2;
              R1           R2
              93           74
    Connected to:
    Oracle9i Enterprise Edition Release 9.0.1.3.0 - Production
    With the Partitioning option
    JServer Release 9.0.1.3.0 - Production
    create view v1 as select dbms_random.value(1,100) r from dual;
    create view v2 as select r r1, r r2 from v1;
    select * from v2;
              R1           R2
              78           78Richard

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