Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/14698#discussion_r75762228
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
---
@@ -474,6 +474,20 @@ case class MapObjects private(
s"$seq == null ? $array[$loopIndex] : $seq.apply($loopIndex)"
}
+ // Make a copy of the data if it's unsafe-backed
+ val genFunctionValue = lambdaFunction.dataType match {
--- End diff --
Should we also copy UTF8String? This can be backed by a reused buffer.
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