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From Sandeep Tata <>
Subject Re: Table Index
Date Mon, 06 Jul 2009 23:17:35 GMT
Cassandra does not currently have secondary indexes.

The indexing you see in the code is just a mechanism to get at the
(known) keys and columns quickly.

On Mon, Jul 6, 2009 at 3:59 PM, Vijay<> wrote:
> Hi,
> I think this is a very simple question and might have been asked before....
> but couldn't find answer elsewhere.... Sorry if it is repetitive. We are
> trying to use Cassandre and i am stuck in the datamodel.....
> Do we have indexed table? i see some classes but dont know what they will be
> used for.... Is the index tell Casandra where exactly the column and the
> value in the column family is located? Say i do a query for which i dont
> have the rowid, i am looking for and i want to get a value of a coumn with a
> specific value.... will the secoundry index help on it? or should i use
> lucene to do that?
> What exactly the index will do and help on?
> Thanks in advance.... May be i am confused because my understanding is
> completely wrong abt the index.
> Regards,
> </VJ>

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