diff options
-rw-r--r-- | sql/core/src/main/scala/org/apache/spark/sql/sources/ddl.scala | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/sources/ddl.scala b/sql/core/src/main/scala/org/apache/spark/sql/sources/ddl.scala index 8a66ac31f2..364bacec83 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/sources/ddl.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/sources/ddl.scala @@ -110,7 +110,8 @@ private[sql] case class CreateTableUsing( /** * Builds a map in which keys are case insensitive */ -protected class CaseInsensitiveMap(map: Map[String, String]) extends Map[String, String] { +protected class CaseInsensitiveMap(map: Map[String, String]) extends Map[String, String] + with Serializable { val baseMap = map.map(kv => kv.copy(_1 = kv._1.toLowerCase)) |