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To: SI Bob who wrote (18656)	6/10/2003 5:05:46 PM
From: Jon Tara	Read Replies (1) of 32918

You gotta admit, I was darn close, Bob. I don't think you have to look any further for the cause of the delays - you've found it. BTW, when I said GUI, your "text-based URL stuff" would qualify for what I was thinking off. But it doesn't seem to be the problem, given your explanation of what happens with the message-renumbering. What I had in mind was this: you do a "delete a post". The database gets locked. You get an "are you sure" button. The database is still locked until you select "yes" or "cancel". Probably an improbable situation given that it's a web-based interface. It'd be REALLY dumb to do this, HTTP being a sessionless protocol, and you'd NEVER select "yes" or "cancel". Of course, it's equally dumb in an executable. But people do it all the time. :( The lock would generally be released when the program is closed. But not when Bob goes for coffee. So, I thought the stop-gap solution might have been "don't go for coffee while you are doing this". I agree, renumbering keys in a large database is a particularly eggregarious design flaw. Somebody didn't understand the relational model. In the mean time, maybe you could do your deleting at night. :)

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