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Don't use bulk scoring if the filter leads iteration.

This commit is contained in:
Adrien Grand 2024-11-29 10:41:31 +01:00
parent a96a152349
commit 64de7ab2a9
1 changed files with 17 additions and 1 deletions
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18
lucene/core/src/java/org/apache/lucene/search/BooleanScorerSupplier.java
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@ -308,7 +308,23 @@ final class BooleanScorerSupplier extends ScorerSupplier {
|| minShouldMatch > 1) { || minShouldMatch > 1) {
return null; return null;
} }
long cost = cost();
long filterCost = Long.MAX_VALUE;
for (ScorerSupplier supplier : subs.get(Occur.FILTER)) {
filterCost = Math.min(filterCost, supplier.cost());
}
long shouldCost = 0;
for (ScorerSupplier supplier : subs.get(Occur.SHOULD)) {
shouldCost += supplier.cost();
}
if (filterCost < shouldCost) {
// Don't do bulk scoring if the filter leads iteration.
return null;
}
long cost = Math.min(shouldCost, filterCost);
List<Scorer> optionalScorers = new ArrayList<>(); List<Scorer> optionalScorers = new ArrayList<>();
for (ScorerSupplier ss : subs.get(Occur.SHOULD)) { for (ScorerSupplier ss : subs.get(Occur.SHOULD)) {
optionalScorers.add(ss.get(cost)); optionalScorers.add(ss.get(cost));