gsmiller commented on a change in pull request #443:
URL: https://github.com/apache/lucene/pull/443#discussion_r751467194
##########
File path:
lucene/facet/src/java/org/apache/lucene/facet/taxonomy/TaxonomyFacetLabels.java
##########
@@ -168,24 +234,61 @@ public FacetLabel nextFacetLabel(int docId, String
facetDimension) throws IOExce
throw new IllegalArgumentException(
"docs out of order: previous docId=" + currentDocId + " current
docId=" + docId);
}
- ordinalsSegmentReader.get(docId, decodedOrds);
- currentPos = decodedOrds.offset;
currentDocId = docId;
- }
- if (parents == null) {
- parents = taxoReader.getParallelTaxonomyArrays().parents();
+ if (ordinalsSegmentReader != null) {
+ ordinalsSegmentReader.get(docId, decodedOrds);
+ currentPos = decodedOrds.offset;
+ } else {
+ currentDocHasValues = ordinalValues.advanceExact(docId);
+ if (currentDocHasValues) {
Review comment:
True. I think the calling code would ultimately get the same experience
though (e.g., `null` return value).
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