cloud-fan commented on code in PR #50698:
URL: https://github.com/apache/spark/pull/50698#discussion_r2062948580
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
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@@ -687,6 +688,10 @@ class Analyzer(override val catalogManager:
CatalogManager) extends RuleExecutor
throw
QueryCompilationErrors.groupingSizeTooLargeError(GroupingID.dataType.defaultSize
* 8)
}
+ if (groupByExprs.exists(expression =>
expression.isInstanceOf[Generator])) {
Review Comment:
or are there other checks to make sure the generator functions must be root
in the expression tree?
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