dongjoon-hyun commented on a change in pull request #29775:
URL: https://github.com/apache/spark/pull/29775#discussion_r489794434



##########
File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/UnwrapCastInBinaryComparison.scala
##########
@@ -103,9 +103,9 @@ object UnwrapCastInBinaryComparison extends 
Rule[LogicalPlan] {
     // In case both sides have integral type, optimize the comparison by 
removing casts or
     // moving cast to the literal side.
     case be @ BinaryComparison(
-      Cast(fromExp, toType: IntegralType, _), Literal(value, literalType))
+      Cast(fromExp, toType: IntegralType, tz), Literal(value, literalType))
         if canImplicitlyCast(fromExp, toType, literalType) =>
-      simplifyIntegralComparison(be, fromExp, toType, value)
+      simplifyIntegralComparison(be, fromExp, toType, value, tz)

Review comment:
       Could you give me some pointer for the failures? Or, can we have a 
reproducer? Usually, every code change had better have a test coverage. If 
there is a test case for this, it sounds reasonable.




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