cloud-fan commented on a change in pull request #30853:
URL: https://github.com/apache/spark/pull/30853#discussion_r546566906
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/expressions.scala
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@@ -542,6 +542,18 @@ object PushFoldableIntoBranches extends Rule[LogicalPlan]
with PredicateHelper {
def apply(plan: LogicalPlan): LogicalPlan = plan transform {
case q: LogicalPlan => q transformExpressionsUp {
+ case Cast(i @ If(_, trueValue, falseValue), dataType, timeZoneId)
Review comment:
Good point. All unary expressions should work.
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