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From Emmanuel Lecharny <>
Subject SubLevel index : is it useful ?
Date Wed, 05 Oct 2011 11:44:33 GMT
Hi guys,

I may be a bit rusty, but AFAICT, we got rid of the oneLevel index, as 
we can use the Rdn index to do the same job.

I question the need of the subLevel index now : can't we use the RDN 
index for the very same purpose ? IMO, but I may be wrong, it would be 
just a matter of adding some extra information in the RDN index (ie, the 
number of descendant for each entry) and to define a cursor that do a 
recursive descent into the RDN index.

thoughts ?

Note : i'm asking, bcause it may have a huge impact in the way Selcuk 
will implement the MVCC layer...

Emmanuel L├ęcharny

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