dsmiley commented on a change in pull request #1343: LUCENE-8103: Use two-phase
iteration in Query- and DoubleValuesSource
URL: https://github.com/apache/lucene-solr/pull/1343#discussion_r392383623
##########
File path:
lucene/queries/src/java/org/apache/lucene/queries/function/valuesource/QueryValueSource.java
##########
@@ -156,42 +135,38 @@ public float floatVal(int doc) {
@Override
public boolean exists(int doc) {
try {
- if (doc < lastDocRequested) {
- if (noMatches) return false;
+ if (noMatches) return false;
+ if (scorer == null) {
scorer = weight.scorer(readerContext);
- scorerDoc = -1;
- if (scorer==null) {
+ if (scorer == null) {
noMatches = true;
return false;
}
- it = scorer.iterator();
+ tpi = scorer.twoPhaseIterator();
+ disi = tpi==null ? scorer.iterator() : tpi.approximation();
+ thisDocMatches = false;
Review comment:
You should set thisDocMatches to null because at this point you do not know
if there is a match.
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