zhengruifeng commented on code in PR #38130:
URL: https://github.com/apache/spark/pull/38130#discussion_r992162591
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sql/core/src/main/scala/org/apache/spark/sql/execution/python/AttachDistributedSequenceExec.scala:
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@@ -63,6 +97,16 @@ case class AttachDistributedSequenceExec(
}
}
+ override protected[sql] def cleanupResources(): Unit = {
+ this.synchronized {
+ if (cached != null && cached.getStorageLevel != StorageLevel.NONE) {
Review Comment:
I think so, maybe we don't need the `synchronized `
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