Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/19874#discussion_r154854356 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala --- @@ -850,3 +834,45 @@ object TypeCoercion { } } } + +trait TypePropagation extends Logging { --- End diff -- Sure.
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