ulysses-you commented on a change in pull request #25198: [SPARK-28443][SQL]
Spark sql add exception when create field type NullType
URL: https://github.com/apache/spark/pull/25198#discussion_r312056710
##########
File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala
##########
@@ -2516,4 +2516,13 @@ class HiveDDLSuite
}
}
}
+
+ test("SPARK-28443: fail the DDL command if it creates a table with null-type
columns") {
+ withTable("t") {
+ val e = intercept[AnalysisException]{
+ sql(s"CREATE TABLE t as SELECT NULL AS c")
Review comment:
Nested fields are tested in `CatalogSuite`. This UT is just to confirm that
cannot using CTAS with `NullType`. I have not seen other place confirm this.
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