[SPARK-9390][SQL] create a wrapper for array type

Author: Wenchen Fan <cloud0fan@outlook.com>

Closes #7724 from cloud-fan/array-data and squashes the following commits:

d0408a1 [Wenchen Fan] fix python
661e608 [Wenchen Fan] rebase
f39256c [Wenchen Fan] fix hive...
6dbfa6f [Wenchen Fan] fix hive again...
8cb8842 [Wenchen Fan] remove element type parameter from getArray
43e9816 [Wenchen Fan] fix mllib
e719afc [Wenchen Fan] fix hive
4346290 [Wenchen Fan] address comment
d4a38da [Wenchen Fan] remove sizeInBytes and add license
7e283e2 [Wenchen Fan] create a wrapper for array type

1 files changed, 2 insertions, 3 deletions

diff --git a/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java b/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
index 72c42f4fe3..9e61d06f40 100644
--- a/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
+++ b/sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
@@ -30,7 +30,6 @@ import org.junit.*;
 
 import scala.collection.JavaConversions;
 import scala.collection.Seq;
-import scala.collection.mutable.Buffer;
 
 import java.io.Serializable;
 import java.util.Arrays;
@@ -168,10 +167,10 @@ public class JavaDataFrameSuite {
     for (int i = 0; i < result.length(); i++) {
       Assert.assertEquals(bean.getB()[i], result.apply(i));
     }
-    Buffer<Integer> outputBuffer = (Buffer<Integer>) first.getJavaMap(2).get("hello");
+    Seq<Integer> outputBuffer = (Seq<Integer>) first.getJavaMap(2).get("hello");
     Assert.assertArrayEquals(
       bean.getC().get("hello"),
-      Ints.toArray(JavaConversions.bufferAsJavaList(outputBuffer)));
+      Ints.toArray(JavaConversions.seqAsJavaList(outputBuffer)));
     Seq<String> d = first.getAs(3);
     Assert.assertEquals(bean.getD().size(), d.length());
     for (int i = 0; i < d.length(); i++) {