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? St.Ack
