Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/3640#discussion_r21512252
--- Diff:
sql/hive/v0.12.0/src/main/scala/org/apache/spark/sql/hive/Shim12.scala ---
@@ -49,6 +49,16 @@ import org.apache.spark.sql.catalyst.types.DecimalType
private[hive] object HiveShim {
val version = "0.12.0"
+ import org.apache.hadoop.hive.ql.exec.Utilities
+
+ def deserializePlan[UDFType](is: java.io.InputStream, clazz:
Class[UDFType]): UDFType = {
+ Utilities.deserializePlan(is).asInstanceOf[UDFType]
+ }
+
+ def serializePlan(function: Any, out: java.io.OutputStream): Unit = {
+ Utilities.serializePlan(function, out)
+ }
+
--- End diff --
Instead of calling `Utilities.deserializePlan`, how about mimic
`Utilities.de/serializeObjectByKryo` methods here? Those two functions are
private but very simple, the advantage is that we don't need the expensive
`HiveConf` instantiation here.
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