cloud-fan commented on a change in pull request #35320:
URL: https://github.com/apache/spark/pull/35320#discussion_r838595964
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2ScanRelationPushDown.scala
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@@ -140,14 +141,18 @@ object V2ScanRelationPushDown extends Rule[LogicalPlan]
with PredicateHelper wit
val count =
aggregate.Count(avg.child).toAggregateExpression(isDistinct)
// Closely follow `Average.evaluateExpression`
avg.dataType match {
+ case dt: DecimalType if avg.failOnError =>
+
addCastIfNeeded(DecimalPrecision.decimalAndDecimal()(
+ Divide(
+ CheckOverflowInSum(sum, dt, false),
Review comment:
shall we cast it to `avg.sumDataType`?
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