configurable MultiTermQuery TopTermsScoringBooleanRewrite pq size
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Key: LUCENE-2261
URL: https://issues.apache.org/jira/browse/LUCENE-2261
Project: Lucene - Java
Issue Type: Improvement
Components: Search
Reporter: Robert Muir
Priority: Minor
Fix For: Flex Branch, 3.1
MultiTermQuery has a TopTermsScoringBooleanRewrite, that uses a priority queue
to expand the query to the top-N terms.
currently N is hardcoded at BooleanQuery.getMaxClauseCount(), but it would be
nice to be able to set this for top-N MultiTermQueries: e.g. expand a fuzzy
query to at most only the 50 closest terms.
at a glance it seems one way would be to expose TopTermsScoringBooleanRewrite
(it is private right now) and add a ctor to it, so a MultiTermQuery can
instantiate one with its own limit.
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