cloud-fan commented on a change in pull request #31368:
URL: https://github.com/apache/spark/pull/31368#discussion_r566575842



##########
File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
##########
@@ -230,7 +230,7 @@ object LogicalPlanIntegrity {
       // NOTE: we still need to filter resolved expressions here because the 
output of
       // some resolved logical plans can have unresolved references,
       // e.g., outer references in `ExistenceJoin`.
-      p.output.filter(_.resolved).map { a => (a.exprId, a.dataType) }
+      p.output.filter(_.resolved).map { a => (a.exprId, a.dataType.asNullable) 
}

Review comment:
       The view tests fail without this change. It's a test only thing that we 
don't need to backport, so I didn't spend time putting this into a separate PR 
with tests.




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