wjp719 commented on a change in pull request #731:
URL: https://github.com/apache/lucene/pull/731#discussion_r837001367
##########
File path:
lucene/sandbox/src/java/org/apache/lucene/sandbox/search/MultiRangeQuery.java
##########
@@ -163,6 +165,69 @@ public void visit(QueryVisitor visitor) {
}
}
+ /**
+ * merge its overlapping ranges and return a simpler but slightly different
form by calling {@link
+ * #mergeOverlappingRanges}
+ */
+ @Override
+ public Query rewrite(IndexReader reader) throws IOException {
+ if (numDims != 1) {
+ return this;
+ }
+ List<RangeClause> mergedRanges = mergeOverlappingRanges(rangeClauses,
bytesPerDim);
+ if (mergedRanges != rangeClauses) {
+ return new MultiRangeQuery(field, numDims, bytesPerDim, mergedRanges) {
+ @Override
+ protected String toString(int dimension, byte[] value) {
+ return MultiRangeQuery.this.toString(dimension, value);
+ }
+ };
+ } else {
+ return this;
+ }
+ }
+
+ /** merge overlapping ranges to some unconnected ranges */
+ public static List<RangeClause> mergeOverlappingRanges(
Review comment:
done
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