cloud-fan commented on a change in pull request #28223: [SPARK-31450][SQL] Make
ExpressionEncoder thread-safe
URL: https://github.com/apache/spark/pull/28223#discussion_r408708131
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File path: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala
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@@ -3387,9 +3386,10 @@ class Dataset[T] private[sql](
new JSONOptions(Map.empty[String, String], sessionLocalTimeZone))
new Iterator[String] {
+ private val serializer = exprEnc.createSerializer()
Review comment:
ditto
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