[SQL] Un-ignore a test that is now passing.

Add golden answer for aforementioned test.

Also, fix golden test generation from sbt/sbt by setting the classpath correctly.

Author: Michael Armbrust <michael@databricks.com>

Closes #244 from marmbrus/partTest and squashes the following commits:

37a33c9 [Michael Armbrust] Un-ignore a test that is now passing, add golden answer for aforementioned test.  Fix golden test generation from sbt/sbt.

sbt/sbt

 #!/usr/bin/env bash
 
+# When creating new tests for Spark SQL Hive, the HADOOP_CLASSPATH must contain the hive jars so
+# that we can run Hive to generate the golden answer.  This is not required for normal development
+# or testing.
+for i in $HIVE_HOME/lib/*
+do HADOOP_CLASSPATH=$HADOOP_CLASSPATH:$i
+done
+export HADOOP_CLASSPATH
+
 realpath () {
 (
   TARGET_FILE=$1

sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveQuerySuite.scala

@@ -53,10 +53,8 @@ class HiveQuerySuite extends HiveComparisonTest {
   createQueryTest("length.udf",
     "SELECT length(\"test\") FROM src LIMIT 1")
 
-  ignore("partitioned table scan") {
-    createQueryTest("partitioned table scan",
-      "SELECT ds, hr, key, value FROM srcpart")
-  }
+  createQueryTest("partitioned table scan",
+    "SELECT ds, hr, key, value FROM srcpart")
 
   createQueryTest("hash",
     "SELECT hash('test') FROM src LIMIT 1")