mayya-sharipova commented on a change in pull request #1937:
URL: https://github.com/apache/lucene-solr/pull/1937#discussion_r498851410
##########
File path: lucene/core/src/java/org/apache/lucene/search/ConjunctionDISI.java
##########
@@ -140,6 +141,13 @@ private static void addTwoPhaseIterator(TwoPhaseIterator
twoPhaseIter, List<DocI
private static DocIdSetIterator createConjunction(
List<DocIdSetIterator> allIterators,
List<TwoPhaseIterator> twoPhaseIterators) {
+
+ // assert that all sub-iterators are on the same doc ID
+ int curDoc = allIterators.size() > 0 ? allIterators.get(0).docID() :
twoPhaseIterators.get(0).approximation.docID();
+ boolean iteratorsOnTheSameDoc = allIterators.stream().allMatch(it ->
it.docID() == curDoc);
+ iteratorsOnTheSameDoc = iteratorsOnTheSameDoc &&
twoPhaseIterators.stream().allMatch(it -> it.approximation().docID() == curDoc);
+ assert iteratorsOnTheSameDoc : "Sub-iterators of ConjunctionDISI are not
the same document!";
Review comment:
addressed in 74151e3
##########
File path: lucene/core/src/java/org/apache/lucene/search/ConjunctionDISI.java
##########
@@ -227,6 +236,7 @@ private int doNext(int doc) throws IOException {
@Override
public int advance(int target) throws IOException {
+ assertItersOnSameDoc();
Review comment:
addressed in 74151e3
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