chris-twiner commented on code in PR #50023:
URL: https://github.com/apache/spark/pull/50023#discussion_r1971266224
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sql/core/src/test/scala/org/apache/spark/sql/DatasetSuite.scala:
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@@ -2841,6 +2860,265 @@ class DatasetSuite extends QueryTest
checkDataset(Seq(seqMutableSet).toDS(), seqMutableSet)
checkDataset(Seq(mapMutableSet).toDS(), mapMutableSet)
}
+
+ // below tests are related to SPARK-49960 and TransformingEncoder usage
+ test("Incorrect derived nullability with TransformingEncoder - non
nullable") {
Review Comment:
replaced with a direct test on TransformingEncoder.nullable, per your lower
point the seq stuff is better tested in the iterable test
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