Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/2344#discussion_r18685528
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/types/dataTypes.scala
---
@@ -181,6 +181,18 @@ case object TimestampType extends NativeType {
def simpleString: String = "timestamp"
}
+case object DateType extends NativeType {
+ private[sql] type JvmType = Date
+
+ @transient private[sql] lazy val tag = ScalaReflectionLock.synchronized
{ typeTag[JvmType] }
+
+ private[sql] val ordering = new Ordering[JvmType] {
+ def compare(x: Date, y: Date) = x.toString.compareTo(y.toString)
+ }
+
+ def simpleString: String = "date"
--- End diff --
`simpleString` can be removed now. #2563 renamed this method to `typeName`
and a default implementation is provided in `DataType`.
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