see inline. Thanks,
- Hua On Sun, Mar 7, 2010 at 6:17 AM, Stack <st...@duboce.net> wrote: > On Sat, Mar 6, 2010 at 7:59 AM, Hua Su <huas...@gmail.com> wrote: > > My question is, does there exist any scanner interface that supports to > get > > "previous" data record in the table? > > > No. > > Previous would require seeking our backward in storefiles. We have > something that sort of does this already for the catalog tables and > its an expensive call. > > Do you really need a previous? You want to walk your table in reverse? > If it's too expensive to implement a native 'get previous' function, I can use some workaround to achieve the similar function. > > St.Ack >
