kaivalnp commented on code in PR #13285:
URL: https://github.com/apache/lucene/pull/13285#discussion_r1689579251
##########
lucene/core/src/java/org/apache/lucene/search/AbstractVectorSimilarityQuery.java:
##########
@@ -143,27 +156,23 @@ protected boolean match(int doc) {
}
// Perform an approximate search
- TopDocs results = approximateSearch(context, acceptDocs,
cardinality);
+ TopDocs results =
+ approximateSearch(context, acceptDocs, cardinality,
timeLimitingKnnCollectorManager);
- // If the limit was exhausted
- if (results.totalHits.relation ==
TotalHits.Relation.GREATER_THAN_OR_EQUAL_TO) {
- // Return a lazy-loading iterator
- vectorSimilarityScorer =
- VectorSimilarityScorer.fromAcceptDocs(
- this,
- boost,
- createVectorScorer(context),
- new BitSetIterator(acceptDocs, cardinality),
- resultSimilarity);
- } else if (results.scoreDocs.length == 0) {
- return null;
- } else {
+ if (results.totalHits.relation == TotalHits.Relation.EQUAL_TO
+ // Return partial results only when timeout is met
+ || (queryTimeout != null && queryTimeout.shouldExit())) {
// Return an iterator over the collected results
- vectorSimilarityScorer =
- VectorSimilarityScorer.fromScoreDocs(this, boost,
results.scoreDocs);
+ return VectorSimilarityScorerSupplier.fromScoreDocs(boost,
results.scoreDocs);
+ } else {
+ // Return a lazy-loading iterator
+ return VectorSimilarityScorerSupplier.fromAcceptDocs(
Review Comment:
We tried to explore this in #12820, but the cost seemed to outweigh the
benefit
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