Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/14648#discussion_r74881208
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
---
@@ -727,6 +727,13 @@ object FoldablePropagation extends Rule[LogicalPlan] {
case j @ Join(_, _, LeftOuter | RightOuter | FullOuter, _) =>
stop = true
j
+
+ // Operators that operate on objects should only have expressions
from encoders, which
+ // should never have foldable expressions.
+ case o: ObjectConsumer => o
--- End diff --
Ok. I will update once I return back to laptop.
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