epotyom commented on code in PR #16268:
URL: https://github.com/apache/lucene/pull/16268#discussion_r3496536235
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lucene/sandbox/src/java/org/apache/lucene/sandbox/facet/cutters/ranges/LongRangeFacetCutter.java:
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@@ -124,6 +152,39 @@ public static LongRangeFacetCutter create(
*/
abstract List<InclusiveRange> buildElementaryIntervals();
+ /**
+ * Returns the {@link DocValuesSkipper} for {@link #skipField} in this
segment. Null when: no skip
+ * field is configured, the field has no skip index, or some doc in this
segment has more than one
+ * value.
+ */
+ final DocValuesSkipper maybeSkipper(LeafReaderContext context) throws
IOException {
+ if (skipField == null) {
+ return null;
+ }
+ SortedNumericDocValues sortedNumeric =
DocValues.getSortedNumeric(context.reader(), skipField);
+ if (DocValues.unwrapSingleton(sortedNumeric) == null) {
+ return null;
+ }
+ return context.reader().getDocValuesSkipper(skipField);
+ }
+
+ /** Single-valued {@link LongValues} for {@link #skipField} in this segment.
*/
+ final LongValues skipFieldValues(LeafReaderContext context) throws
IOException {
Review Comment:
Is this method a part of the single value unwrapping logic that we want to
remove for now?
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