LantaoJin commented on a change in pull request #28833:
URL: https://github.com/apache/spark/pull/28833#discussion_r448149646
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/rules.scala
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@@ -292,6 +293,8 @@ case class PreprocessTableCreation(sparkSession:
SparkSession) extends Rule[Logi
"in the table definition of " + table.identifier,
sparkSession.sessionState.conf.caseSensitiveAnalysis)
+ assertNoNullTypeInSchema(schema)
Review comment:
With out this, `CREATE TABLE t1 USING PARQUET AS SELECT null as
null_col` will throws `Parquet data source does not support null data type.`
instead of `Cannot create tables with VOID type`
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