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From 陈加俊 <cjjvict...@gmail.com>
Subject Re: min, max
Date Wed, 02 Mar 2011 05:54:11 GMT
Yes I do it like this. But I hava another problem I can't count the rows of
one table fast.

On Wed, Mar 2, 2011 at 12:58 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> Weishung:
> For max, you can enumerate the regions for your table. Start the scan from
> the first row in the last region.
>
> On Tue, Mar 1, 2011 at 8:51 PM, Stack <stack@duboce.net> wrote:
>
> > On Tue, Mar 1, 2011 at 2:44 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > > For min, you can write your own filter which extends FilterBase so that
> > the
> > > scan stops after seeing the first row.
> > >
> >
> > Or just start the scan at the a row whose name is the empty byte array
> > and kill the scan after the first return; the first return will be the
> > first row in table.
> >
> > I don't know how to get the last row in a table, easily.
> >
> > St.Ack
> >
>



-- 
Thanks & Best regards
jiajun

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