> Could you explain the usage of the "sentinel"?
Queries that use a secondary index must include an equality clause. That's the 
sentinel is there for…

> select filename from inode where filename > ‘/tmp’ and filename < ‘/tmq’ and 
> sentinel = ‘x’;

Cheers 
-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 17/09/2012, at 9:17 PM, André Cruz <andre.c...@co.sapo.pt> wrote:

> On Sep 17, 2012, at 3:04 AM, aaron morton <aa...@thelastpickle.com> wrote:
> 
>>> I have a schema that represents a filesystem and one example of a Super CF 
>>> is:
>> This may help with some ideas
>> http://www.datastax.com/dev/blog/cassandra-file-system-design
> 
> Could you explain the usage of the "sentinel"? Which nodes have it? I 
> understand that it should be used for recursive dir listings, to restrict the 
> nodes returned to the "/tmp/" dir, but I'm not sure I understand how it 
> works....
> 
> Thanks,
> André

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