Tom Peck wrote:
> >
> >How about writing a text file that would be your "lock" file, rather
> >than depending upon MySQL to do it for you?
> >
> >--
> >Raquel
> So what you mean is:
> If someone clicks on a car to edit, a txt file is written (maybe called the
> carID.txt).  Then if someone else clicks on that car to edit it, it says
> that it is already being edited by someone else because the txt file
> exists?  So what happens if that person who clicked first closes his
> browser before updating the car?  How can that text file be automatically
> erased?
> I think I'll just assume that this wont be a problem, and if someone
> overwrites someone elses edit then too bad.. :-)
> Tom

Why not check the date/time the file was created?  If an arbitrary
amount of time has expired (2 minutes?  5 minutes?) then you create your
own lock file as if the first wasn't there?

He who has imagination without learning has wings and no feet.      

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