kmozaid commented on code in PR #16836:
URL: https://github.com/apache/pinot/pull/16836#discussion_r2358318084
##########
pinot-core/src/main/java/org/apache/pinot/core/query/aggregation/function/SumMVAggregationFunction.java:
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@@ -95,6 +118,19 @@ public void aggregateGroupBySV(int length, int[]
groupKeyArray, GroupByResultHol
public void aggregateGroupByMV(int length, int[][] groupKeysArray,
GroupByResultHolder groupByResultHolder,
Map<ExpressionContext, BlockValSet> blockValSetMap) {
BlockValSet blockValSet = blockValSetMap.get(_expression);
+
+ if (blockValSet.isSingleValue()) {
Review Comment:
This code block should be removed as startree index won't be in effect when
group by multi-value column, and should be removed?
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