Github user icexelloss commented on a diff in the pull request:
https://github.com/apache/spark/pull/19872#discussion_r160778794
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala
---
@@ -153,11 +153,20 @@ trait CheckAnalysis extends PredicateHelper {
s"of type ${condition.dataType.simpleString} is not a
boolean.")
case Aggregate(groupingExprs, aggregateExprs, child) =>
+ def isAggregateExpression(expr: Expression) = {
+ expr.isInstanceOf[AggregateExpression] ||
+ PythonUDF.isGroupAggPandasUDF(expr)
--- End diff --
Done.
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