cloud-fan commented on a change in pull request #31273:
URL: https://github.com/apache/spark/pull/31273#discussion_r580816822
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/views.scala
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@@ -192,6 +192,17 @@ case class CreateViewCommand(
Seq.empty[Row]
}
+ /**
+ * Checks if the temp view (the result of getTempViewRawPlan or
getRawGlobalTempView) is storing
+ * the same plan as the given aliased plan.
+ */
+ private def isSamePlan(
+ rawTempView: Option[LogicalPlan],
+ aliasedPlan: LogicalPlan): Boolean = rawTempView match {
+ case Some(TemporaryViewRelation(_, Some(p))) => p.sameResult(aliasedPlan)
Review comment:
It's possible that `rawTempView` is not `TemporaryViewRelation`, shall
we add
```
...
case Some(p) => p.sameResult(aliasedPlan)
```
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