kmozaid commented on code in PR #16836:
URL: https://github.com/apache/pinot/pull/16836#discussion_r2459367669
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pinot-core/src/main/java/org/apache/pinot/core/query/aggregation/function/AvgMVAggregationFunction.java:
##########
@@ -43,8 +44,25 @@ public AggregationFunctionType getType() {
public void aggregate(int length, AggregationResultHolder
aggregationResultHolder,
Map<ExpressionContext, BlockValSet> blockValSetMap) {
BlockValSet blockValSet = blockValSetMap.get(_expression);
- double[][] valuesArray = blockValSet.getDoubleValuesMV();
+ if (blockValSet.isSingleValue()) {
+ // StarTree pre-aggregated values: During StarTree creation, the
multi-value column is pre-aggregated per StarTree
+ // node, resulting in a single value per node.
+ byte[][] bytesValues = blockValSet.getBytesValuesSV();
+ AvgPair avgPair = new AvgPair();
+ forEachNotNull(length, blockValSet, (from, to) -> {
Review Comment:
fixed.
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