Yea you're right Ike. Story of my life - I relax for once and make a smart-alec comment and it whips around and bites me.
But in my own defence, mine takes less typing! LOL . Cheers Mike Kear Windsor, NSW, Australia Adobe Certified Advanced ColdFusion Developer AFP Webworks http://afpwebworks.com ColdFusion, PHP, ASP, ASP.NET hosting from AUD$15/month On Thu, Dec 4, 2008 at 5:50 PM, s. isaac dealey <[EMAIL PROTECTED]> wrote: > Mike Kear said: >> Ike, your query will still attempt to select records that have been >> deleted The original problem was that the keys werent sequential >> if some records have been deleted. That's going to happen as ads are >> removed. Using the technique I use, it selects a random record >> from the records that exist in the table, whether sequential or not. > > Umm... nope... non-sequential keys won't be an issue with the solution I > posted because I used a randrange against the number of records in the > query and then fetched the ID from that record using array-notation, so > the ID is guaranteed to be in that query when it performs the 2nd fetch. > >> Ike, your solution requires two trips to the database, mine requires >> one. So . my dad can beat your dad . nyah nyah nyah !! <g> > > Heh... you need to get your eyes checked. The 2nd query is a query of > query. :) > > The only real issue he might have with it is that he might want to see > ads removed immediately when he deletes them in his app and that code > won't remove them right away, it'll wait until the following day. And > that actually means that my code would be making a LOT fewer trips to > the database in total (1 per day instead of 1 per request). ;) But he > could of course reduce the cache duration and have the changes show up > every hour or so if he didn't want to either throw away all the cache or > produce a more complicated solution for invalidating the cache. > > > -- > s. isaac dealey ^ new epoch > isn't it time for a change? > ph: 781.769.0723 > > http://onTap.riaforge.org/blog > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;207172674;29440083;f Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:316240 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
