mayya-sharipova commented on a change in pull request #1955:
URL: https://github.com/apache/lucene-solr/pull/1955#discussion_r500673813
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File path: lucene/core/src/java/org/apache/lucene/search/Weight.java
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@@ -204,21 +204,21 @@ public int score(LeafCollector collector, Bits
acceptDocs, int min, int max) thr
collector.setScorer(scorer);
DocIdSetIterator scorerIterator = twoPhase == null ? iterator :
twoPhase.approximation();
DocIdSetIterator collectorIterator = collector.competitiveIterator();
- DocIdSetIterator filteredIterator;
- if (collectorIterator == null) {
- filteredIterator = scorerIterator;
- } else {
- if (scorerIterator.docID() != -1) {
- // Wrap ScorerIterator to start from -1 for conjunction
- scorerIterator = new RangeDISIWrapper(scorerIterator, max);
- }
- // filter scorerIterator to keep only competitive docs as defined by
collector
- filteredIterator =
ConjunctionDISI.intersectIterators(Arrays.asList(scorerIterator,
collectorIterator));
- }
+ DocIdSetIterator filteredIterator = scorerIterator;
if (filteredIterator.docID() == -1 && min == 0 && max ==
DocIdSetIterator.NO_MORE_DOCS) {
+ if (collectorIterator != null) {
+ filteredIterator =
ConjunctionDISI.intersectIterators(Arrays.asList(scorerIterator,
collectorIterator));
+ }
scoreAll(collector, filteredIterator, twoPhase, acceptDocs);
return DocIdSetIterator.NO_MORE_DOCS;
} else {
+ if (collectorIterator != null) {
+ if (scorerIterator.docID() != -1) {
+ // here we assume that the initial version of collectorIterator
matches all docs and can advance exactly to the desired docID
Review comment:
Thanks for the comment, I will think about this more
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