[GitHub] spark pull request #15620: [SPARK-18091] [SQL] Deep if expressions cause Gen...
Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/15620#discussion_r90397578 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionalExpressions.scala --- @@ -64,19 +64,74 @@ case class If(predica