Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/2802#discussion_r21073055
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala
---
@@ -172,6 +177,8 @@ private[hive] case class
HiveGenericUdf(functionClassName: String, children: Seq
override def eval(input: Row): Any = {
returnInspector // Make sure initialized.
+ if(foldable) return constantReturnValue
--- End diff --
Thanks for the explanation, I guess there is probably a bug in master as
you described, can you paste a query to reproduce the failure? (Text V.S.
String).
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