LuXugang commented on code in PR #12405:
URL: https://github.com/apache/lucene/pull/12405#discussion_r1276083269
##########
lucene/core/src/java/org/apache/lucene/search/comparators/NumericComparator.java:
##########
@@ -329,87 +324,65 @@ private void updateSkipInterval(boolean success) {
* value is 5, we will use a range on [MIN_VALUE, 4].
*/
private void encodeBottom() {
- if (pruning == Pruning.GREATER_THAN_OR_EQUAL_TO && isBottomMinOrMax() ==
false) {
- byte[] bottom = new byte[bytesCount];
- encodeBottom(bottom);
- if (reverse == false) {
- NumericUtils.subtract(bytesCount, 0, bottom, deltaOne,
maxValueAsBytes);
- } else {
- NumericUtils.add(bytesCount, 0, bottom, deltaOne, minValueAsBytes);
+ if (reverse == false) {
+ encodeBottom(maxValueAsBytes);
+ if (pruning == Pruning.GREATER_THAN_OR_EQUAL_TO) {
+ NumericUtils.nextDown(maxValueAsBytes);
}
} else {
- encodeBottom(reverse == false ? maxValueAsBytes : minValueAsBytes);
+ encodeBottom(minValueAsBytes);
+ if (pruning == Pruning.GREATER_THAN_OR_EQUAL_TO) {
+ NumericUtils.nextUp(minValueAsBytes);
+ }
}
}
- private class CompetitiveIterator extends DocIdSetIterator {
-
- private final LeafReaderContext context;
- private final int maxDoc;
- private final String field;
- private int doc = -1;
- private DocIdSetIterator docsWithDocValue;
- private DocIdSetIterator docsWithPoint;
- private final boolean skipWithDocValues;
-
- CompetitiveIterator(LeafReaderContext context, String field, boolean
skipWithDocValues) {
- this.context = context;
- this.maxDoc = context.reader().maxDoc();
- this.field = field;
- this.skipWithDocValues = skipWithDocValues;
- }
-
- @Override
- public int docID() {
- return doc;
- }
-
- @Override
- public int nextDoc() throws IOException {
- return advance(docID() + 1);
- }
-
- @Override
- public int advance(int target) throws IOException {
- if (target >= maxDoc) {
- return doc = NO_MORE_DOCS;
- } else if (docsWithPoint != null) {
- assert hitsThresholdReached == true;
- return doc = docsWithPoint.advance(target);
- } else if (docsWithDocValue != null) {
- assert hitsThresholdReached == true;
- return doc = docsWithDocValue.advance(target);
- } else {
- return doc = target;
+ /**
+ * If {@link NumericComparator#pruning} equals {@link
Pruning#GREATER_THAN_OR_EQUAL_TO}, we
+ * could better tune the {@link
NumericLeafComparator#maxValueAsBytes}/{@link
+ * NumericLeafComparator#minValueAsBytes}. For instance, if the sort is
ascending and top value
+ * is 3, we will use a range on [4, MAX_VALUE].
+ */
+ private void encodeTop() {
+ if (reverse == false) {
+ encodeTop(minValueAsBytes);
+ if (pruning == Pruning.GREATER_THAN_OR_EQUAL_TO) {
Review Comment:
> Oh, indeed, good catch! Can you fix it?
addressed in
[9d30e0b](https://github.com/apache/lucene/pull/12405/commits/9d30e0b71c0c8a787f352bc39b2faf0c025810fb)
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