[GitHub] [pinot] Jackie-Jiang commented on a diff in pull request #9086: Proper null handling in Aggregation functions for SV data types

[GitBox]

Jackie-Jiang commented on code in PR #9086:
URL: https://github.com/apache/pinot/pull/9086#discussion_r933583179


##########
pinot-core/src/main/java/org/apache/pinot/core/plan/AggregationPlanNode.java:
##########
@@ -179,20 +181,29 @@ public Operator<IntermediateResultsBlock> 
buildNonFilteredAggOperator() {
     BaseFilterOperator filterOperator = filterPlanNode.run();
 
     if (canOptimizeFilteredCount(filterOperator, aggregationFunctions)) {
-      return new FastFilteredCountOperator(aggregationFunctions, 
filterOperator, _indexSegment.getSegmentMetadata());
+      return new FastFilteredCountOperator(aggregationFunctions, 
filterOperator, _indexSegment.getSegmentMetadata(),
+          _queryContext.isNullHandlingEnabled());
     }
 
-    if (filterOperator.isResultMatchingAll()) {
+    boolean skipNonScanBasedAggregation = false;
+    if (filterOperator.isResultMatchingAll() && 
!_queryContext.isNullHandlingEnabled()) {
       if (isFitForNonScanBasedPlan(aggregationFunctions, _indexSegment)) {
         DataSource[] dataSources = new DataSource[aggregationFunctions.length];
         for (int i = 0; i < aggregationFunctions.length; i++) {
           List<?> inputExpressions = 
aggregationFunctions[i].getInputExpressions();
           if (!inputExpressions.isEmpty()) {
             String column = ((ExpressionContext) 
inputExpressions.get(0)).getIdentifier();
             dataSources[i] = _indexSegment.getDataSource(column);
+            NullValueVectorReader nullValueReader = 
dataSources[i].getNullValueVector();

Review Comment:
   I think so because it is under `filterOperator.isResultMatchingAll()` which 
already handles `IS NULL` and `IS NOT NULL`



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