jtibshirani commented on a change in pull request #736:
URL: https://github.com/apache/lucene/pull/736#discussion_r828333005
##########
File path:
lucene/sandbox/src/java/org/apache/lucene/sandbox/search/IndexSortSortedNumericDocValuesRangeQuery.java
##########
@@ -198,16 +200,23 @@ public boolean isCacheable(LeafReaderContext ctx) {
@Override
public int count(LeafReaderContext context) throws IOException {
- BoundedDocSetIdIterator disi = getDocIdSetIteratorOrNull(context);
- if (disi != null) {
+
+ BoundedDocIdSetIterator disi = getDocIdSetIteratorOrNull(context);
+ if (disi != null && disi.delegate == null) {
return disi.lastDoc - disi.firstDoc;
}
- return fallbackWeight.count(context);
+
+ PointValues pointValues = context.reader().getPointValues(field);
Review comment:
If there's a fallback query provided, it's guaranteed to match the same
documents (from the javadoc: "This fallback must be an equivalent range query
-- it should produce the same documents and give constant scores"). There's
nothing in this query that guarantees the fallback query uses point values, so
the check feels out of place.
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