Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22713#discussion_r229307114
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala
---
@@ -604,4 +606,28 @@ class AnalysisSuite extends AnalysisTest with Matchers
{
checkAnalysis(input, expected)
}
}
+
+ test("SPARK-25691: AliasViewChild with different nullabilities") {
+ object ViewAnalyzer extends RuleExecutor[LogicalPlan] {
+ val batches = Batch("View", Once, AliasViewChild(conf),
EliminateView) :: Nil
+ }
+ def intNotNullableAttr(name: String): Attribute = {
+ AttributeReference(name, IntegerType, nullable = false)()
+ }
+ val relation = LocalRelation(intNotNullableAttr("a"), 'b.string)
--- End diff --
nit: `'a.int.notNull`
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