Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/9840#discussion_r46002504 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala --- @@ -235,12 +236,13 @@ case class ExpressionEncoder[T]( val plan = Project(Alias(unbound, "")() :: Nil, LocalRelation(schema)) val analyzedPlan = SimpleAnalyzer.execute(plan) + val optimizedPlan = SimplifyCasts(analyzedPlan) --- End diff -- Maybe encoders should be case sensitive all the time to begin with? It is programming language after all, which is case sensitive. If users complain, we can consider adding them in the future?
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