From 7f94affd1b1dae71aa5f71fff3f60d877f6c3a1c Mon Sep 17 00:00:00 2001
From: Venkata Ramana Gollamudi <ramana.gollamudi@huawei.com>
Date: Mon, 3 Nov 2014 15:30:39 +0530
Subject: [PATCH] Added foldable support to CreateArray

---
 .../apache/spark/sql/catalyst/expressions/complexTypes.scala  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypes.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypes.scala
index 917b346086dcb..b88ec96bc5abc 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypes.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypes.scala
@@ -107,7 +107,9 @@ case class GetField(child: Expression, fieldName: String) extends UnaryExpressio
  */
 case class CreateArray(children: Seq[Expression]) extends Expression {
   override type EvaluatedType = Any
-
+  
+  override def foldable = !children.exists(!_.foldable)
+  
   lazy val childTypes = children.map(_.dataType).distinct
 
   override lazy val resolved =