added test case for 13

Author: octaviansima

src/main/scala/edu/berkeley/cs/rise/opaque/benchmark/TPCHBenchmark.scala

@@ -24,7 +24,7 @@ import org.apache.spark.sql.SQLContext
 object TPCHBenchmark {
 
   // Add query numbers here once they are supported
-  val supportedQueries = Seq(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 19, 20, 22)
+  val supportedQueries = Seq(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 19, 20, 22)
 
   def query(queryNumber: Int, tpch: TPCH, sqlContext: SQLContext, numPartitions: Int) = {
     val sqlStr = tpch.getQuery(queryNumber)

src/main/scala/edu/berkeley/cs/rise/opaque/execution/operators.scala

@@ -234,7 +234,7 @@ case class EncryptedFilterExec(condition: Expression, child: SparkPlan)
 case class EncryptedAggregateExec(
   groupingExpressions: Seq[NamedExpression],
   aggExpressions: Seq[AggregateExpression],
-  // Specify mode if ALL aggExpressions should be cast to the desired AggregateMode
+  // Specify mode if ALL aggExpressions should be cast to the provided AggregateMode
   mode: Option[AggregateMode],
   child: SparkPlan)
     extends UnaryExecNode with OpaqueOperatorExec {