Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22355#discussion_r217241810 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/CodeGeneratorWithInterpretedFallback.scala --- @@ -37,19 +37,22 @@ object CodegenObjectFactoryMode extends Enumeration { */ abstract class CodeGeneratorWithInterpretedFallback[IN, OUT] extends Logging { - def createObject(in: IN): OUT = { + def createObject(in: IN): OUT = + createObject(in, subexpressionEliminationEnabled = false) --- End diff -- I took some more look, seems it's not an actual config, but just a method parameter. Maybe we should remove this config in 3.0. that said, let's keep your PR as it is.
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