[SQL] Fix path in HiveFromSpark

It require us to run ```HiveFromSpark``` in specified dir because ```HiveFromSpark``` use relative path, this leads to ```run-example``` error(http://apache-spark-developers-list.1001551.n3.nabble.com/src-main-resources-kv1-txt-not-found-in-example-of-HiveFromSpark-td9100.html).

Author: scwf <wangfei1@huawei.com>

Closes #3415 from scwf/HiveFromSpark and squashes the following commits:

ed3d6c9 [scwf] revert no need change
b00e20c [scwf] fix path usring spark_home
dbd321b [scwf] fix path in hivefromspark

1 files changed, 2 insertions, 1 deletions

diff --git a/examples/src/main/scala/org/apache/spark/examples/sql/hive/HiveFromSpark.scala b/examples/src/main/scala/org/apache/spark/examples/sql/hive/HiveFromSpark.scala
index 0c52ef8ed9..227acc1175 100644
--- a/examples/src/main/scala/org/apache/spark/examples/sql/hive/HiveFromSpark.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/sql/hive/HiveFromSpark.scala
@@ -27,6 +27,7 @@ object HiveFromSpark {
   def main(args: Array[String]) {
     val sparkConf = new SparkConf().setAppName("HiveFromSpark")
     val sc = new SparkContext(sparkConf)
+    val path = s"${System.getenv("SPARK_HOME")}/examples/src/main/resources/kv1.txt"
 
     // A local hive context creates an instance of the Hive Metastore in process, storing 
     // the warehouse data in the current directory.  This location can be overridden by
@@ -35,7 +36,7 @@ object HiveFromSpark {
     import hiveContext._
 
     sql("CREATE TABLE IF NOT EXISTS src (key INT, value STRING)")
-    sql("LOAD DATA LOCAL INPATH 'src/main/resources/kv1.txt' INTO TABLE src")
+    sql(s"LOAD DATA LOCAL INPATH '$path' INTO TABLE src")
 
     // Queries are expressed in HiveQL
     println("Result of 'SELECT *': ")