adasari commented on code in PR #18334:
URL: https://github.com/apache/pinot/pull/18334#discussion_r3598098033
##########
pinot-core/src/main/java/org/apache/pinot/core/plan/AggregationPlanNode.java:
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@@ -115,17 +115,38 @@ public Operator<AggregationResultsBlock>
buildNonFilteredAggOperator() {
boolean hasNullValues = _queryContext.isNullHandlingEnabled() &&
hasNullValues(aggregationFunctions);
if (!hasNullValues) {
+ 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,
_queryContext.getSchema());
+ }
+ }
+
// Priority 2: Check if non-scan based aggregation is feasible
if (filterOperator.isResultMatchingAll() && isFitForNonScanBasedPlan()) {
- DataSource[] dataSources = new DataSource[aggregationFunctions.length];
+ return new NonScanBasedAggregationOperator(_queryContext, dataSources,
numTotalDocs);
Review Comment:
@Jackie-Jiang where can i find the new approach details to understand it
better?
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