Re: Re: MySQL Database Locking - needed?

From: Date: Tue, 10 Jul 2001 23:54:02 +0000
Subject: Re: Re: MySQL Database Locking - needed?
References: 1 2  Groups: php.db 
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Ahhh, ok a good idea. I will think about it some more. Thanks Tom At 16:55 10/07/2001 -0700, you wrote:
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? -- Raquel ============================================================ He who has imagination without learning has wings and no feet. --Anonymous


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