[infinispan-dev] range query in Infinispan !!

[Emmanuel Bernard]

On 16 mai 2012, at 16:06, Manik Surtani wrote:

> 
> On 14 May 2012, at 18:48, Emmanuel Bernard wrote:
> 
>> I agree with Sanne, Cassandra is very good at that use case due to the way they store things. OTOH, that's their best use case by far :)
>> 
>> We could think about a way to mix together:
>> 
>> - fine grained locking
>> - AtomicMap
>> - partial load
>> 
>> basically we could imagine some new primitive features for AtomicMap like:
>> 
>> - get subkeys between x and y
>> - add subkey (not requiring to load the AtomicMap)
>> 
>> That would get us a long way towards some of what MongoDB does wrt partial document update.
> 
> Don't we have a good deal of this already with Randall's schematic patch (currently as a part of ModeShape, targeted for inclusion in Infinispan 5.2.0)?
> 
> https://issues.jboss.org/browse/ISPN-1103
> https://github.com/ModeShape/modeshape/tree/master/modeshape-schematic

It certainly does partial update, but not the partial load required to do the time range query described. Unless schematic goes beyond what I think it does.

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