Christoph Goller created LUCENE-8637:
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Summary: WeightedSpanTermExtractor unnexessarily enforces rewrite
for some SpanQueiries
Key: LUCENE-8637
URL: https://issues.apache.org/jira/browse/LUCENE-8637
Project: Lucene - Core
Issue Type: Bug
Components: modules/highlighter
Affects Versions: 7.5, 7.3.1, 7.4, 7.6
Reporter: Christoph Goller
Method mustRewriteQuery(SpanQuery) returns true for SpanPositionCheckQuery,
SpanContainingQuery, SpanWithinQuery, and SpanBoostQuery, however, these
queries do not require rewriting. One effect of this is e.g. that
UnifiedHighlighter does not work with OffsetSource Postings and switches to
Analysis which of course has consequences for performance.
I attach a patch for lucene version 7.6.0. I have not checked whether it breaks
existing unit tests.
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