Jackie-Jiang commented on code in PR #9086: URL: https://github.com/apache/pinot/pull/9086#discussion_r935139942
########## pinot-core/src/main/java/org/apache/pinot/core/query/aggregation/function/CountAggregationFunction.java: ########## @@ -89,7 +122,33 @@ public void aggregate(int length, AggregationResultHolder aggregationResultHolde @Override public void aggregateGroupBySV(int length, int[] groupKeyArray, GroupByResultHolder groupByResultHolder, Map<ExpressionContext, BlockValSet> blockValSetMap) { - if (blockValSetMap.isEmpty()) { + if (blockValSetMap.isEmpty() || !blockValSetMap.containsKey(STAR_TREE_COUNT_STAR_EXPRESSION)) { Review Comment: When both null handling and star-tree are not enabled, will it pass in non-empty `blockValSetMap`? Ideally it should pass in empty `blockValSetMap`, or it could add extra overhead for existing use cases -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org