kaivalnp commented on code in PR #13202:
URL: https://github.com/apache/lucene/pull/13202#discussion_r1540166440
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lucene/join/src/java/org/apache/lucene/search/join/DiversifyingChildrenFloatKnnVectorQuery.java:
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@@ -100,8 +102,15 @@ protected TopDocs exactSearch(LeafReaderContext context,
DocIdSetIterator accept
fi.getVectorSimilarityFunction());
final int queueSize = Math.min(k, Math.toIntExact(acceptIterator.cost()));
HitQueue queue = new HitQueue(queueSize, true);
+ TotalHits.Relation relation = TotalHits.Relation.EQUAL_TO;
ScoreDoc topDoc = queue.top();
while (vectorScorer.nextParent() != DocIdSetIterator.NO_MORE_DOCS) {
+ // Mark results as partial if timeout is met
+ if (queryTimeout != null && queryTimeout.shouldExit()) {
+ relation = TotalHits.Relation.GREATER_THAN_OR_EQUAL_TO;
+ break;
+ }
Review Comment:
Also wanted some opinions here: we're checking the timeout in exact search
of `DiversifyingChildren[Byte|Float]KnnVectorQuery` once per-parent (as opposed
to once per document elsewhere)
Should we update this to once per-child as well?
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