atris opened a new pull request, #15023:
URL: https://github.com/apache/lucene/pull/15023
Implements a query wrapper that prioritizes document ranges based on their
scoring potential using Lucene's impact information. The implementation
divides the document space into ranges and evaluates each range's maximum
possible score using ImpactsEnum data, then processes ranges in descending
order of scoring potential.
Key features:
- Supports range sizes and min and max document bounds.
- Uses ImpactsEnum when ScoreMode.TOP_SCORES indicates impacts are
available
- Falls back to standard scoring when impacts are unavailable
- Supports early termination based on competitive scoring thresholds
This optimization is particularly beneficial for indices where document
clustering (BP-style ordering) groups similar documents with adjacent IDs,
allowing efficient skipping of low-scoring document ranges.
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