dongjoon-hyun commented on a change in pull request #31542:
URL: https://github.com/apache/spark/pull/31542#discussion_r575601360
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/OptimizeMetadataOnlyQuery.scala
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@@ -52,8 +52,10 @@ case class OptimizeMetadataOnlyQuery(catalog:
SessionCatalog) extends Rule[Logic
plan.transform {
case a @ Aggregate(_, aggExprs, child @ PhysicalOperation(
projectList, filters, PartitionedRelation(partAttrs, rel))) =>
- // We only apply this optimization when only partitioned attributes
are scanned.
- if (AttributeSet((projectList ++
filters).flatMap(_.references)).subsetOf(partAttrs)) {
+ // We only apply this optimization when only partitioned attributes
are scanned and filters
+ // are deterministic.
+ if (AttributeSet((projectList ++
filters).flatMap(_.references)).subsetOf(partAttrs)
+ && filters.map(_.deterministic).forall(identity)) {
Review comment:
+1 for @gatorsmile 's advice for adding a test case.
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