Add a test case for SHARK-138.

Author: Sun Rui

data/files/test1.txt

@@ -0,0 +1,3 @@
+1	012
+2	345
+3	678

src/main/scala/shark/execution/JoinOperator.scala

@@ -27,8 +27,7 @@ import org.apache.hadoop.hive.conf.HiveConf
 import org.apache.hadoop.hive.ql.exec.{JoinOperator => HiveJoinOperator}
 import org.apache.hadoop.hive.ql.plan.{JoinDesc, TableDesc}
 import org.apache.hadoop.hive.serde2.{Deserializer, Serializer, SerDeUtils}
-import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils
-import org.apache.hadoop.hive.serde2.objectinspector.StandardStructObjectInspector
+import org.apache.hadoop.hive.serde2.objectinspector.{ObjectInspectorUtils, StandardStructObjectInspector}
 import org.apache.hadoop.io.BytesWritable
 
 import shark.execution.serialization.OperatorSerializationWrapper

src/test/scala/shark/SQLSuite.scala

@@ -73,6 +73,14 @@ class SQLSuite extends FunSuite with BeforeAndAfterAll {
       OVERWRITE INTO TABLE users""")
     sc.sql("drop table if exists users_cached")
     sc.sql("create table users_cached as select * from users")
+
+    // test1
+    sc.sql("drop table if exists test1")
+    sc.sql("""CREATE TABLE test1 (id INT, test1val ARRAY<INT>)
+      row format delimited fields terminated by '\t'""")
+    sc.sql("LOAD DATA LOCAL INPATH '${hiveconf:shark.test.data.path}/test1.txt' INTO TABLE test1")
+    sc.sql("drop table if exists test1_cached")
+    sc.sql("CREATE TABLE test1_cached AS SELECT * FROM test1")
   }
 
   override def afterAll() {
@@ -141,6 +149,14 @@ class SQLSuite extends FunSuite with BeforeAndAfterAll {
       "val_98\t196")
   }
 
+  //////////////////////////////////////////////////////////////////////////////
+  // join
+  //////////////////////////////////////////////////////////////////////////////
+  test("join ouput rows of stand objects") {
+    expect("select test1val from users join test1 on users.id=test1.id and users.id=1",
+      "[0,1,2]")    
+  }
+
   //////////////////////////////////////////////////////////////////////////////
   // map join
   //////////////////////////////////////////////////////////////////////////////