[SPARK-11819][SQL][FOLLOW-UP] fix scala 2.11 build

seems scala 2.11 doesn't support: define private methods in `trait xxx` and use it in `object xxx extend xxx`.

Author: Wenchen Fan <wenchen@databricks.com>

Closes #9879 from cloud-fan/follow.

1 files changed, 2 insertions, 2 deletions

diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
index 4a4a62ed1a..476becec4d 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
@@ -670,14 +670,14 @@ trait ScalaReflection {
    * Unlike `schemaFor`, this method won't throw exception for un-supported type, it will return
    * `NullType` silently instead.
    */
-  protected def silentSchemaFor(tpe: `Type`): Schema = try {
+  def silentSchemaFor(tpe: `Type`): Schema = try {
     schemaFor(tpe)
   } catch {
     case _: UnsupportedOperationException => Schema(NullType, nullable = true)
   }
 
   /** Returns the full class name for a type. */
-  protected def getClassNameFromType(tpe: `Type`): String = {
+  def getClassNameFromType(tpe: `Type`): String = {
     tpe.erasure.typeSymbol.asClass.fullName
   }