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Date: Tue, 2 Feb 2010 09:39:52 -0800
Message-ID: <74f4d40b1002020939p54e10386mfd738df07df4e09e@mail.gmail.com>
Subject: Re: Reverse sort order comparator?
From: Erik Holstad <erikholstad@gmail.com>
To: cassandra-user@incubator.apache.org
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On Tue, Feb 2, 2010 at 9:35 AM, Brandon Williams <driftx@gmail.com> wrote:

> On Tue, Feb 2, 2010 at 11:29 AM, Erik Holstad <erikholstad@gmail.com>wrote:
>
>> Thanks guys!
>> So I want to use sliceRange but thinking about using the count parameter.
>> For example give me
>> the first x columns, next call I would like to call it with a start value
>> and a count.
>>
>> If I was to use the reverse param in sliceRange I would have to fetch all
>> the columns first, right?
>
>
> If you pass reverse as true, then instead of getting the first x columns,
> you'll get the last x columns.  If you want to head backwards toward the
> beginning, you can pass the first column as the end value.
>
> -Brandon
>
Wow that sounds really good. So you are saying if I set it to reverse sort
order and count 10 for the first round I get the last 10,
for the next call I just set the last column from the first call to start
and I will get the columns -10- -20, so to speak?


-- 
Regards Erik

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<br><br><div class=3D"gmail_quote">On Tue, Feb 2, 2010 at 9:35 AM, Brandon =
Williams <span dir=3D"ltr">&lt;<a href=3D"mailto:driftx@gmail.com">driftx@g=
mail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; p=
adding-left: 1ex;">
<div class=3D"gmail_quote"><div class=3D"im">On Tue, Feb 2, 2010 at 11:29 A=
M, Erik Holstad <span dir=3D"ltr">&lt;<a href=3D"mailto:erikholstad@gmail.c=
om" target=3D"_blank">erikholstad@gmail.com</a>&gt;</span> wrote:<br><block=
quote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, 204, 2=
04); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">

Thanks guys!<br>So I want to use sliceRange but thinking about using the co=
unt parameter. For example give me<br>the first x columns, next call I woul=
d like to call it with a start value and a count.<br><br>If I was to use th=
e reverse param in sliceRange I would have to fetch all the columns first, =
right?</blockquote>

<div><br></div></div><div>If you pass reverse as true, then instead of gett=
ing the first x columns, you&#39;ll get the last x columns. =A0If you want =
to head backwards toward the beginning, you can pass the first column as th=
e end value.</div>

<div><br></div><font color=3D"#888888"><div>-Brandon=A0</div></font></div>
</blockquote></div>Wow that sounds really good. So you are saying if I set =
it to reverse sort order and count 10 for the first round I get the last 10=
,<br>for the next call I just set the last column from the first call to st=
art and I will get the columns -10- -20, so to speak?<br>
<br clear=3D"all"><br>-- <br>Regards Erik<br>

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