cloud-fan commented on a change in pull request #28833:
URL: https://github.com/apache/spark/pull/28833#discussion_r613011264



##########
File path: 
sql/core/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveSessionCatalog.scala
##########
@@ -268,6 +271,7 @@ class ResolveSessionCatalog(
     // session catalog and the table provider is not v2.
     case c @ CreateTableStatement(
          SessionCatalogAndTable(catalog, tbl), _, _, _, _, _, _, _, _, _) =>
+      assertNoNullTypeInSchema(c.tableSchema)

Review comment:
       @bart-samwel this makes sense, shall we also support `CREATE TABLE t(c 
VOID)`? Your case seems like CTAS only.




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