rmuir commented on a change in pull request #443:
URL: https://github.com/apache/lucene/pull/443#discussion_r752303321
##########
File path:
lucene/facet/src/java/org/apache/lucene/facet/taxonomy/OrdinalMappingLeafReader.java
##########
@@ -107,6 +113,64 @@ public BytesRef binaryValue() {
}
}
+ private class OrdinalMappingSortedNumericDocValues extends
FilterSortedNumericDocValues {
+ private final IntArrayList currentValues;
+ private int currIndex;
+
+ OrdinalMappingSortedNumericDocValues(SortedNumericDocValues in) {
+ super(in);
+ currentValues = new IntArrayList(32);
+ }
+
+ @Override
+ public boolean advanceExact(int target) throws IOException {
+ boolean result = in.advanceExact(target);
+ if (result) {
+ reloadValues();
+ }
+ return result;
+ }
+
+ @Override
+ public int advance(int target) throws IOException {
+ int result = in.advance(target);
+ if (result != DocIdSetIterator.NO_MORE_DOCS) {
+ reloadValues();
+ }
+ return result;
+ }
+
+ @Override
+ public int nextDoc() throws IOException {
+ int result = in.nextDoc();
+ if (result != DocIdSetIterator.NO_MORE_DOCS) {
+ reloadValues();
+ }
+ return result;
+ }
+
+ @Override
+ public int docValueCount() {
+ return currentValues.elementsCount;
+ }
+
+ private void reloadValues() throws IOException {
+ currIndex = 0;
+ currentValues.clear();
+ for (int i = 0; i < in.docValueCount(); i++) {
+ currentValues.add(ordinalMap[(int) in.nextValue()]);
Review comment:
Currently in the benchmarks isn't the sorted set approach faster? So
personally i wouldnt want to add another DV type that just lets you do things
slower?
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