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From AJ>
Subject Feature Request: Multi-key Mapping
Date Mon, 11 Jul 2011 03:07:29 GMT
I think this would be another powerful feature by making it so much 
easier when faced with records/objects that can have multiple unique 
keys where both are not always used.  You wouldn't have to use secondary 
indexes which really aren't suitable for high cardinality (high 
uniqueness) indexes and better suited for range queries.

Of course, some indirection would be needed to avoid the naive solution 
of simply duplicating values.

Maybe Unix inodes is the best analogy here.


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