Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/11846#discussion_r56777929 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala --- @@ -490,9 +495,15 @@ class Analyzer( // If the aggregate function argument contains Stars, expand it. case a: Aggregate if containsStar(a.aggregateExpressions) => - val expanded = expandStarExpressions(a.aggregateExpressions, a.child) + if (conf.groupByOrdinal && a.groupingExpressions.exists(IntegerIndex.unapply(_).nonEmpty)) { --- End diff -- is this behaviour standard?
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