Ferenczi Jim created LUCENE-7552:
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Summary: FastVectorHighlighter ignores position in PhraseQuery
Key: LUCENE-7552
URL: https://issues.apache.org/jira/browse/LUCENE-7552
Project: Lucene - Core
Issue Type: Bug
Components: core/search
Reporter: Ferenczi Jim
Priority: Minor
The PhraseQuery contains a list of terms and the positions for each term. The
FVH ignores the term position and assumes that a phrase query is always dense.
As a result phrase query with gaps are not highlighted at all. This is
problematic for text fields that use a FilteringTokenFilter. This token filter
removes tokens but preserves the position increment of each removal.
Bottom line is that using this token filter breaks the highlighting of phrase
query that contains filtered tokens.
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