Github user scwf commented on a diff in the pull request:
https://github.com/apache/spark/pull/3778#discussion_r22277333
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala
---
@@ -112,7 +112,30 @@ case class InSet(value: Expression, hset: Set[Any])
}
}
-case class And(left: Expression, right: Expression) extends
BinaryPredicate {
+abstract class CombinePredicate extends BinaryPredicate {
--- End diff --
you mean we can do this in implicit class in Optimizer, right?
my initial idea of adding this is to unify the simplification of and/or and
avoid duplicate code..
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