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From Paul Lynch <>
Subject FunctionQuery example request
Date Thu, 16 Mar 2006 16:00:37 GMT

have implemented the DistanceComparatorSource example
from Lucene In Action (my Bible) and it works great.
We are now in the situation where we have nearly a
million documents in our index and the performance of
this implementation has degraded.

I have downloaded and am trying to understand the classes created by Mr
Seeley but must admit to being a little bit out of my
league with all the different elements involved. I
have read through various threads which make reference
to using the FunctionQuery class for different means
but I am struggling to fully understand the steps I
need to take.

Can someone please spare a couple of minutes to give
me an example of how I would implement a FunctionQuery
to score each of the documents matched in my boolean


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