cloud-fan commented on a change in pull request #35823:
URL: https://github.com/apache/spark/pull/35823#discussion_r826940304
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/V2ScanRelationPushDown.scala
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@@ -92,23 +92,37 @@ object V2ScanRelationPushDown extends Rule[LogicalPlan]
with PredicateHelper {
// update the scan builder with agg pushdown and return a new plan with
agg pushed
case aggNode @ Aggregate(groupingExpressions, resultExpressions, child) =>
child match {
- case ScanOperation(project, filters, sHolder: ScanBuilderHolder)
- if filters.isEmpty &&
project.forall(_.isInstanceOf[AttributeReference]) =>
+ case ScanOperation(project, filters, sHolder: ScanBuilderHolder) if
filters.isEmpty &&
+ project.forall(p => p.isInstanceOf[AttributeReference] ||
p.isInstanceOf[Alias]) =>
Review comment:
if we follow it, then here should be `project.forall(_.deterministic)`
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