David Smiley created LUCENE-9277:
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Summary: UnifiedHighlighter: internally visit the query tree once
Key: LUCENE-9277
URL: https://issues.apache.org/jira/browse/LUCENE-9277
Project: Lucene - Core
Issue Type: Task
Components: modules/highlighter
Reporter: David Smiley
Ideally the UnifiedHighlighter should "visit" the query tree *once* instead of
several times (weight.extractTerms, MultiTermHighlighting, PhraseHelper).
Perhaps this can happen in one new class, perhaps called QueryExtractor. It's
debatable wether this would replace a bunch of fields presently on UHComponents
or whether it would simply help produce the existing UHComponents; shrug.
Admittedly, I don't know how much of an "optimization" this is, or wether this
is just a refactoring that is done on principle. I simply like the principle
of it; knowing there are multiple _visit_s to the query gnaws at me.
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