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    4. When is z303_update_date updated?

    When is z303_update_date updated?

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    • Article Type: General
    • Product: Aleph
    • Product Version: 19.01

    Description:
    One of our libraries reported several patrons have been affected as if there was a patron load. But, no patron load has been run. Even so, the Global Information Update Date (z303_update_date) shows today's date.

    What action(s) besides the patron load or creating a record affect that field? I'm trying to determine what may account for these records being affected?

    Resolution:
    The z303_update_date is populated with today's date when the io_z303 program is invoked with action "WRITE" or "REWRITE".

    If a patron is in the p_file_20 input file, the z303_update_date is updated even if there is no change to the record. (p_file_20 does not compare the incoming record to the existing data. Unless a field contains the null character, it overwrites the existing data with the incoming data -- and changes the z303_update_date.)

    Another batch job which updates the patron record is p_cir_77 ("Update Patron Records").

    In the GUI, the "Update" button is lit up only when the operator has entered some change to the record.... So it is not possible for a patron record containing no update to be written in the GUI. {The operator *could* enter some change, realize it was a mistake, undo it, and then (unnecessarily) click on Update,... but that would be rather odd and unlikely.}

    Aside from these, I don't think I have anything which would be helpful in analyzing this.


    • Article last edited: 10/8/2013
    View article in the Exlibris Knowledge Center
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