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From Arnon Mazza <arnon...@yahoo.com>
Subject Join between indexes
Date Wed, 01 Feb 2012 14:05:11 GMT
Assume we have a Lucene index over which several types of analyses are performed.
 
Assume that the conclusions of some analysis require that new tokens be added to existing
documents in the index.
For example, a repeating pattern p (sequence of words) that appears in a large part of the
documents should be tagged in every document in its exact position.
 
Now it is required to execute proximity queries involving standard terms and also the pattern
p (e.g. find all documents in which the word "hello" is adjacent to the pattern p).
 
Is there a way of achieving this without re-indexing all the documents where the pattern p
was found ?
In other words, is it possible to maintain a separate index that would keep only patterns->docIds/positions,
and then join between the two indexes ?
 
If not, is there a plan to support this in the future ?
 
Thanks,
Arnon.
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