Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/13638#discussion_r66880127 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/CacheManager.scala --- @@ -155,8 +156,9 @@ private[sql] class CacheManager extends Logging { * function will over invalidate. */ private[sql] def invalidateCache(plan: LogicalPlan): Unit = writeLock { + val canonicalized = plan.canonicalized cachedData.foreach { - case data if data.plan.collect { case p if p.sameResult(plan) => p }.nonEmpty => + case data if data.plan.collect { case p if p.sameResult(canonicalized) => p }.nonEmpty => --- End diff -- I don't think so. For example, if the cached plan is `LocalRelation` (which is canonicalized) and the `plan` argument is `SubqueryAlias(LocalRelation)` (which is not canonicalized), it will fail to find the same-result plan.
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