[GitHub] [spark] beliefer commented on a diff in pull request #41070: [SPARK-43390][SQL] DSv2 allows CTAS/RTAS to reserve schema nullability

["beliefer (via GitHub)" <gi...@apache.org>]

beliefer commented on code in PR #41070:
URL: https://github.com/apache/spark/pull/41070#discussion_r1187212022


##########
sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala:
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@@ -3261,3 +3278,7 @@ class FakeV2Provider extends SimpleTableProvider {
     throw new UnsupportedOperationException("Unnecessary for DDL tests")
   }
 }
+
+class TestCreateTableReserveSchemaNullabilityCatalog extends InMemoryCatalog {

Review Comment:
   How about `ForbidSchemaNullabilityCatalog` ?



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