richardstartin commented on a change in pull request #8411:
URL: https://github.com/apache/pinot/pull/8411#discussion_r837782397
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/filter/OrFilterOperator.java
##########
@@ -60,4 +64,37 @@ public String toExplainString() {
public List<Operator> getChildOperators() {
return new ArrayList<>(_filterOperators);
}
+
+ @Override
+ public boolean canOptimizeCount() {
+ boolean allChildrenProduceBitmaps = true;
+ for (BaseFilterOperator child : _filterOperators) {
+ allChildrenProduceBitmaps &= child.canProduceBitmaps();
+ _anyChildrenMatchAll |= child.isResultMatchingAll();
+ }
+ return _anyChildrenMatchAll | allChildrenProduceBitmaps;
+ }
+
+ @Override
+ public int getNumMatchingDocs() {
+ if (_anyChildrenMatchAll) {
+ return _numDocs;
+ }
+ List<BitmapCollection> children = new ArrayList<>(_filterOperators.size());
+ for (BaseFilterOperator child : _filterOperators) {
+ children.add(child.getBitmaps());
+ }
+ switch (children.size()) {
+ case 1:
+ return children.get(0).cardinality();
Review comment:
At present...
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