> -----Original Message----- > From: Jochem van Dieten [mailto:[EMAIL PROTECTED]] > Sent: Thursday, July 25, 2002 10:20 AM > To: CF-Talk > Subject: Re: NEW (ColdFusion MX or ColdFusion 4.5) and > Session Variables > ( Bug) > > > Nathan Stanford wrote: > >>-----Original Message----- > >>From: Jochem van Dieten [mailto:[EMAIL PROTECTED]] > >>Sent: Thursday, July 25, 2002 9:54 AM > >>To: CF-Talk > >>Subject: Re: NEW (ColdFusion MX or ColdFusion 4.5) and > >>Session Variables > >>( Bug) > >> > >> > >>We have 2 instances of this template running at the same > time. At the > >>time the first instance reaches Point 1, the second > instance reaches > >>Point 2 and grabs the lock to update the value. Will the > >>first instance > >>display 0 for session.cartquantity or not? > > > > Yes.... at Point 1 it is always Zero... > > But it can be changed by the other instance. Let's make a > little timeline: > > > Instance 1, first submit: Instance 2, refresh: > > 1 init cfapplication > > 2 set session vars to 0 > 3 init cfapplication > 4 do queries > 5 set session vars to 0 > 6 display session vars > 7 do queries > 8 update session vars by 1 > 9 display session vars > 10 loop > 11 update session vars by 1 > 12 display session vars > 13 loop > 14 update session vars by 1 > 15 display session vars > 16 exit > 17 update session vars by 1 > > 18 loop > > Output: Output: > 0 1 > 2 3
Only problem is the output looks more like this Hit Refresh Fast: Output: Output: 0 0 2 5 Hit Refresh Slow: Output: Output: 0 0 2 57 > > At point 9, the outputted value will not be the 0 that is set > at point > 5, but it will be the 0 that is set at point 5 + the 1 that > was added at > point 8 by the other template. Just like the session vars > displayed at > point 12 have been modified by the update at point 11. > > Jochem > > ______________________________________________________________________ Get the mailserver that powers this list at http://www.coolfusion.com 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
