FreqFilteringScorerWrapper and min/max freq options on TermQuery
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Key: LUCENE-3395
URL: https://issues.apache.org/jira/browse/LUCENE-3395
Project: Lucene - Java
Issue Type: New Feature
Reporter: Hoss Man
A Solr User was asking about how specify a minimum tf when searching for a term
(ie: documents matching "dog" at least 3 times).
Based on a conversation with rmuir on IRC, that led me to realize that we now
explicitly expose a general "freq()" method on Scorer, and that min/max freq
constraints could be implemented as a general Scorer Wrapper.
I propose that we add such a wrapper, and add
setMinFreq(float)/setMaxFreq(float) methods to TermQuery (similar to the
minNumShouldMatches and disableCoord type setters in BooleanQuery) that cause
it to be used automatically.
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