[LUCENE-4289] highlighter idf calculation problems

• Type: Bug
• Status: Reopened
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0-BETA, 3.6.2, 6.0
• Lucene Fields: New
• Assignee: Unassigned
• Reporter: Robert Muir
• Created: 06/Aug/12 02:22
• Updated: 17/Sep/24 09:46
• Resolved: 06/Aug/12 15:35

Description

• highlighter uses numDocs instead of maxDoc
• fastvectorhighlighter uses numDocs - numDeletedDocs instead of maxDoc (will go negative if more than half of docs are marked deleted)
• fastvectorhighlighter calls docFreq and computes IDF per-position when it won't change (inefficient)