On Tue, May 14, 2013 at 11:33 PM, Varun Sharma <[email protected]> wrote:
> Hi, > > I was looking at PrefixFilter but going by the implementation - it looks we > scan every row until we hit the prefix instead of seeking to the row with > the required prefix. > > I was wondering if there are more efficient alternatives which would do a > real seek rather than scanning all rows. Would setting startRow and stopRow > - effectively seek to startRow and then perform the scan ? > Scanner should start at the specified startrow, and then begin applying the filter per row (if prefix filter, try a start row that is made of the filter prefix). If it is doing otherwise, it is broke. St.Ack
