[GitHub] [lucene] romseygeek commented on pull request #634: LUCENE-10399: Handle large boolean expressions better in flexible query parser

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romseygeek commented on pull request #634:
URL: https://github.com/apache/lucene/pull/634#issuecomment-1026767530


   > This isn't a safe optimization though, it changes ranking.
   
   Adrien and I were talking about trying to do this kind of thing as part of query rewrites and got blocked by having to deal with scoring.  Maybe we could add a ScoreMode parameter to `rewrite()`, and then do this directly in BooleanQuery? ie if you have a bunch of OR clauses that are all Term queries and you know that you don't need scores you can directly rewrite to a TermInSetQuery.


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