On Sun, Mar 7, 2010 at 11:20 PM, Michael Segel <[email protected]>wrote:
> > What you're attempting to recreate is a 'scroll cursor'. > On very large data sets, this isn't trivial to do. > > I think if you look at the use cases, you'll think of some other way of > achieving your specific goals. > > Just my opinion... > Thank. I just do some experiments and the data set is not very large. > > -Mike > > > > Date: Sat, 6 Mar 2010 19:38:19 -0800 > > Subject: Re: Does the scanner interface have a "previous" method? > > From: [email protected] > > To: [email protected] > > > > Hey Hua! > > I agree that this would be a nice to have feature for cases when you want > to > > fetch data in > > ascending and descending order. You would need to store any extra indices > > just open up > > a different scanner. > > The best way to do this now though is to store it in a different index. > > > > Good luck! > > Erik > > _________________________________________________________________ > Hotmail: Trusted email with Microsoft’s powerful SPAM protection. > http://clk.atdmt.com/GBL/go/201469226/direct/01/ >
