Re: transactions, row locking, race condition?

From: tnaki..ofthome.net
Date: Tue Apr 12 2005 - 08:46:17 EDT

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    Tore Halset wrote:

    > Using optimistic locking cayenne will create a sql update statement
    > like:
    > update candidates set my_timestamp='2005-04-11' where id=17 and
    > my_timestamp is null;
    >
    > "my_timestamp is null" is caused by the optimistic locking and is
    > used to make sure the row has not been modifyed by another client.
    >
    > http://www.objectstyle.org/confluence/display/CAY/
    > Optimistic+Locking+Explained

    The link was as useful as the explanation, thanks. The great thing is it
    can work great inspite of being completely database independent.

    Tomislav

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