jpountz commented on a change in pull request #736:
URL: https://github.com/apache/lucene/pull/736#discussion_r825981973
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File path:
lucene/sandbox/src/java/org/apache/lucene/sandbox/search/IndexSortSortedNumericDocValuesRangeQuery.java
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@@ -198,16 +198,22 @@ public boolean isCacheable(LeafReaderContext ctx) {
@Override
public int count(LeafReaderContext context) throws IOException {
- BoundedDocSetIdIterator disi = getDocIdSetIteratorOrNull(context);
- if (disi != null) {
- return disi.lastDoc - disi.firstDoc;
+ Sort indexSort = context.reader().getMetaData().getSort();
+ if (indexSort != null
+ && indexSort.getSort().length > 0
+ && indexSort.getSort()[0].getField().equals(field)
+ && indexSort.getSort()[0].getMissingValue() == null) {
Review comment:
I don't think that this is the right thing to check since the missing
value is assumed to be zero if not set.
The best thing we can do that I can think of is to check if the field is
dense via points (ie. no missing values) or if the missing value falls outside
of the range so that the bounded iterator is accurate?
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