Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/21667#discussion_r200236731
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/orc/OrcFileFormat.scala ---
@@ -178,6 +178,24 @@ class OrcFileFormat extends FileFormat with
DataSourceRegister with Serializable
}
}
}
+
+ override def supportDataType(dataType: DataType, isReadPath: Boolean):
Boolean = dataType match {
--- End diff --
```
case NullType => isReadPath
case _ => true
```
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