ulysses-you commented on a change in pull request #32742:
URL: https://github.com/apache/spark/pull/32742#discussion_r645428145
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/adaptive/AdaptiveSparkPlanExec.scala
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@@ -603,6 +603,19 @@ case class AdaptiveSparkPlanExec(
(newPlan, optimized)
}
+ /**
+ * Clean up logical plan stats before re-optimize
+ */
+ private def cleanupStats(logicalPlan: LogicalPlan): Unit = {
+ logicalPlan.invalidateStatsCache()
+ // We must invalidate ineffective rules before re-optimize since AQE
Optimizer may introduce
+ // LocalRelation that can affect result.
Review comment:
It's not about `invalidateStatsCache`. The materialized flag of logical
plan will be changed during running and some AQE Optimier rules only match the
materialized logical plan so we cann't promise whether a rule is ineffective or
not before plan materialized.
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