mdmarshmallow commented on code in PR #929:
URL: https://github.com/apache/lucene/pull/929#discussion_r894746323
##########
lucene/facet/src/java/org/apache/lucene/facet/sortedset/AbstractSortedSetDocValueFacetCounts.java:
##########
@@ -74,7 +74,7 @@ public FacetResult getTopChildren(int topN, String dim,
String... path) throws I
@Override
public Number getSpecificValue(String dim, String... path) throws
IOException {
- if (path.length != 1) {
+ if (stateConfig.getDimConfig(dim).hierarchical == false && path.length !=
1) {
throw new IllegalArgumentException("path must be length=1");
Review Comment:
Maybe we should update this error message? Something like `dim + "is not
configured to be hierarchical, path must be length=1"`.
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