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From Eric Jain <>
Subject CachedQuery
Date Thu, 10 Jun 2004 13:17:35 GMT
I noticed that searching for terms that appear in a significant number
of documents tends to be relatively slow. For example

   foo AND (bar:yes OR xyz)

where every document has a field 'bar' with a value of either 'yes' or
'no'. Had a look at CachingWrapperFilter, unfortunately this class
doesn't seem to be any help here. Perhaps I need to create a CachedQuery
class that caches Weight objects for wrapped Query objects (and subclass
QueryParser to make use of this)? But would this work? Any ideas?

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