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From David Boxenhorn <da...@lookin2.com>
Subject Re: key is sorted?
Date Sun, 09 May 2010 07:00:07 GMT
This is something that I'm not sure that I understand. Can somebody
confirm/deny that I understand it? Thanks.

If you use random partitioning, you can loop through all keys with a range
query, but they will not be sorted.

True or False?

On Sat, May 8, 2010 at 3:45 AM, AJ Chen <ajchen@web2express.org> wrote:

> thanks, that works. -aj
>
>
> On Fri, May 7, 2010 at 1:17 PM, Stu Hood <stu.hood@rackspace.com> wrote:
>
>> Your IPartitioner implementation decides how the row keys are sorted: see
>> http://wiki.apache.org/cassandra/StorageConfiguration#Partitioner . You
>> need to be using one of the OrderPreservingPartitioners if you'd like a
>> reasonable order for the keys.
>>
>> -----Original Message-----
>> From: "AJ Chen" <ajchen@web2express.org>
>> Sent: Friday, May 7, 2010 3:10pm
>> To: user@cassandra.apache.org
>> Subject: key is sorted?
>>
>> I have a super column family for "topic", key being the name of the topic.
>> <ColumnFamily Name="Topic" CompareWith="UTF8Type" ColumnType="Super"
>> CompareSubcolumnsWith="BytesType" />
>> When I retrieve the rows, the rows are not sorted by the key. Is the row
>> key
>> sorted in cassandra by default?
>>
>> -aj
>> --
>> AJ Chen, PhD
>> Chair, Semantic Web SIG, sdforum.org
>> http://web2express.org
>> twitter @web2express
>> Palo Alto, CA, USA
>>
>>
>>
>
>
> --
> AJ Chen, PhD
> Chair, Semantic Web SIG, sdforum.org
> http://web2express.org
> twitter @web2express
> Palo Alto, CA, USA
>

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