sumOfSquared weights should be calculated as part of queryNorm
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Key: LUCENE-1907
URL: https://issues.apache.org/jira/browse/LUCENE-1907
Project: Lucene - Java
Issue Type: Bug
Reporter: Mark Miller
Priority: Minor
see the related issue for comments.
its a bummer - doesn't look like we have time to address this, but its the best
release for it - back compat requires the reflection stuff that Similarity
already has (and we hope to remove next release). It would suck to have to hold
onto it - so it seems unlikely we will do this at a later time.
The idea is that the sumOfSquaredWeights computation should be specific to the
queryNorm impl - so the queryNorm should accept the Weight instead, and if its
using the euclidean distance formula, it can do the sumOfSquared calculations -
but if its doing another normalization, these can be skipped (in each
termweight, booleanweight, etc). Right now you pay for sumOfSquared no matter
what, and the logic separation is a little off.
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