Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/3066#discussion_r19722086
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/package.scala ---
@@ -451,4 +451,33 @@ package object sql {
* Builder for [[Metadata]]. If there is a key collision, the latter
will overwrite the former.
*/
type MetadataBuilder = catalyst.util.MetadataBuilder
+
+ /**
+ * :: DeveloperApi ::
+ *
+ * A Date class which support the standard comparison operators, for
+ * use in DSL expressions. Implicit conversions to java.sql.Date
+ * are provided. The class intializer accepts a String, e.g.
+ *
+ * val ts = Date("2014-01-01")
--- End diff --
Please use proper Scaladoc format here, i.e.:
```
{{{
val ts = Date("2014-01-01")
}}}
```
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