ulysses-you commented on pull request #28833:
URL: https://github.com/apache/spark/pull/28833#issuecomment-657356505
What about view ?
After this pr we have no readable exception, and also not support to create
view with `NullType`.
When execute `create view v1 as select null as col`, the exception is
```
org.apache.spark.SparkException: Cannot recognize hive type string: null,
column: col
at
org.apache.spark.sql.hive.client.HiveClientImpl$.getSparkSQLDataType(HiveClientImpl.scala:999)
at
org.apache.spark.sql.hive.client.HiveClientImpl$.$anonfun$verifyColumnDataType$1(HiveClientImpl.scala:1021)
at scala.collection.Iterator.foreach(Iterator.scala:941)
at scala.collection.Iterator.foreach$(Iterator.scala:941)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1429)
at scala.collection.IterableLike.foreach(IterableLike.scala:74)
at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
at org.apache.spark.sql.types.StructType.foreach(StructType.scala:102)
at
org.apache.spark.sql.hive.client.HiveClientImpl$.org$apache$spark$sql$hive$client$HiveClientImpl$$verifyColumnDataType(HiveClientImpl.scala:1021)
at
org.apache.spark.sql.hive.client.HiveClientImpl.$anonfun$createTable$1(HiveClientImpl.scala:547)
```
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