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[SPARK-37447][SQL] Cache LogicalPlan.isStreaming() result in a lazy val #34691

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[SPARK-37447][SQL] Cache LogicalPlan.isStreaming() result in a lazy val #34691

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3 changes: 2 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,8 @@ abstract class LogicalPlan
def metadataOutput: Seq[Attribute] = children.flatMap(_.metadataOutput)

/** Returns true if this subtree has data from a streaming data source. */
def isStreaming: Boolean = children.exists(_.isStreaming)
def isStreaming: Boolean = _isStreaming
private[this] lazy val _isStreaming = children.exists(_.isStreaming)

override def verboseStringWithSuffix(maxFields: Int): String = {
super.verboseString(maxFields) + statsCache.map(", " + _.toString).getOrElse("")
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