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Date: Thu, 31 May 2012 10:52:33 -0400
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Subject: Re: Can Sort Order Be Reversed?
From: Juan Moreno <jwellington.moreno@gmail.com>
To: user@accumulo.apache.org
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While we are on the subject, is there a way to scan rows sorted by
timestamp, or a particular column?

---------------------------------
*Juan* Moreno
 On May 31, 2012 10:41 AM, "Jim Klucar" <klucar@gmail.com> wrote:

> If its an int or long you can subtract it from the maximum int/long
> before you write the row id.
>
> if it is a YYYYMMDD string, subtract each character from 9 before
> writing the rowid.
>
> Sent from my iPhone
>
> On May 31, 2012, at 10:34 AM, William Slacum <wslacum@gmail.com> wrote:
>
> > As of now, nope!
> >
> > On Thu, May 31, 2012 at 7:24 AM, David Medinets
> > <david.medinets@gmail.com> wrote:
> >> I don't know why it has taken me so long to ask this basic question.
> >> Rows are stored in Accumulo in sorted order - high to low. Is there a
> >> configuration option to flip the sort? My specific use case has dates
> >> as the record key and I want to see the oldest records first.
>

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<p>While we are on the subject, is there a way to scan rows sorted by times=
tamp, or a particular column? </p>
<p>---------------------------------<br>
<u>Juan</u> Moreno<br>
</p>
<div class=3D"gmail_quote">On May 31, 2012 10:41 AM, &quot;Jim Klucar&quot;=
 &lt;<a href=3D"mailto:klucar@gmail.com">klucar@gmail.com</a>&gt; wrote:<br=
 type=3D"attribution"><blockquote class=3D"gmail_quote" style=3D"margin:0 0=
 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
If its an int or long you can subtract it from the maximum int/long<br>
before you write the row id.<br>
<br>
if it is a YYYYMMDD string, subtract each character from 9 before<br>
writing the rowid.<br>
<br>
Sent from my iPhone<br>
<br>
On May 31, 2012, at 10:34 AM, William Slacum &lt;<a href=3D"mailto:wslacum@=
gmail.com">wslacum@gmail.com</a>&gt; wrote:<br>
<br>
&gt; As of now, nope!<br>
&gt;<br>
&gt; On Thu, May 31, 2012 at 7:24 AM, David Medinets<br>
&gt; &lt;<a href=3D"mailto:david.medinets@gmail.com">david.medinets@gmail.c=
om</a>&gt; wrote:<br>
&gt;&gt; I don&#39;t know why it has taken me so long to ask this basic que=
stion.<br>
&gt;&gt; Rows are stored in Accumulo in sorted order - high to low. Is ther=
e a<br>
&gt;&gt; configuration option to flip the sort? My specific use case has da=
tes<br>
&gt;&gt; as the record key and I want to see the oldest records first.<br>
</blockquote></div>

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