Because it doesn't work. In CF 4.5x, anyway, auto read locking doesn't catch all uses of shared-scope variables; I don't have a list of what it does and doesn't catch, but generally it misses things like
<Cfquery name="variables.myqyery" datasource="#application.dsn#"> and other non-cfset situations. > -----Original Message----- > From: Mike Townend [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, November 13, 2001 10:16 AM > To: CF-Talk > Subject: RE: SUMMARY: Request Scope & Follow up Locking Questions > > > But surely that means that CF is using double the memory for every > request... Memory to store the session details and memory to store the > session details.. > > Whats wrong with setting CFAdmin to automatically lock > reads... That way > any time you read a shared var ie IsDefined and DSN's etc its already > locked... Then all you have to do is lock the writes.. > > > > -----Original Message----- > From: Gyrus [mailto:[EMAIL PROTECTED]] > Sent: 13 November 2001 15:09 > To: CF-Talk > Subject: Re: SUMMARY: Request Scope & Follow up Locking Questions > > > > >use something like > > ><cfset request.var=Duplicate(session.var)> > > >to transfer the variable. > > > > I think to use request.var this way you can only read the variable. > > Absolutely - maybe I should have said. I generally transfer session > variables into the request scope in application.cfm so that I > don't have > to worry about locking every time I want to read a session > variable (90% > of my use of session variables). > > Of course, if I need to update a session variable, I use a lock for > writing to the session variable itself, and the updated value > gets read > back into the request scope next time round (you can update the > corresponding request variable immediately if the value might > be needed > within the same request, naturally). > > - Gyrus > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Your ad could be here. Monies from ads go to support these lists and provide more resources for the community. http://www.fusionauthority.com/ads.cfm FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Archives: http://www.mail-archive.com/[email protected]/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists
