Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/9789#discussion_r45154972
--- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/Encoder.scala ---
@@ -37,7 +38,33 @@ trait Encoder[T] extends Serializable {
def clsTag: ClassTag[T]
}
+/**
+ * Methods for creating encoders.
+ */
object Encoders {
+
+ /**
+ * (Scala-specific) Creates an encoder that serializes objects of type T
using Kryo.
+ * This encoder maps T into a single byte array (binary) field.
+ */
+ def kryo[T: ClassTag]: Encoder[T] = {
--- End diff --
How about putting this method into `ExpressionEncoder`? I think `Encoders`
is only used at java side as the lack of implicit magic.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
