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From Brayton Thompson <thomp...@grnoc.iu.edu>
Subject Re: get keys based on values??
Date Wed, 06 Oct 2010 19:28:18 GMT
Ok, Thank you all. More reading to do :)

On Oct 6, 2010, at 3:21 PM, Jonathan Ellis wrote:

> On Wed, Oct 6, 2010 at 1:49 PM, Brayton Thompson <thompsbp@grnoc.iu.edu> wrote:
>> Ok, let me tweak the scenario a tiny bit. What if I wanted something
>> extremely arbitrary, for instance... simple comparisons like a WHERE clause
>> in SQL....
>> get Users.someuser['uuid'] where Users.someuser['age']  >  33
>> 
>> From what i've read this functionality defeats the point of Cassandra
>> because instead of indexing directly to a value C* would have to got to a
>> value and run a check for every entry.  Am I correct here?
> 
> No, this is the whole point of secondary indexes.  But, > queries
> won't be supported until probably 0.7.1.
> 
> -- 
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support
> http://riptano.com


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