Revert "Removed serialization"

This reverts commit d055ff9.

Author: pmenon

src/network/service/peloton_service.cpp

@@ -357,7 +357,7 @@ void PelotonService::QueryPlan(::google::protobuf::RpcController *controller,
         LOG_ERROR("Queryplan recived desen't have type");
         break;
       }
-#if 0
+
       case PlanNodeType::SEQSCAN: {
         LOG_TRACE("SEQSCAN revieved");
         std::string plan = request->plan();
@@ -400,7 +400,7 @@ void PelotonService::QueryPlan(::google::protobuf::RpcController *controller,
 
         break;
       }
-#endif
+
       default: {
         LOG_ERROR("Queryplan recived :: Unsupported TYPE: %s",
                   PlanNodeTypeToString(plan_type).c_str());

test/network/rpc_queryplan_test.cpp

@@ -22,7 +22,6 @@ namespace test {
 class RpcQueryPlanTests : public PelotonTest {};
 
 TEST_F(RpcQueryPlanTests, BasicTest) {
-#if 0
   peloton::planner::SeqScanPlan mapped_plan_ptr;
 
   const peloton::PlanNodeType type = mapped_plan_ptr.GetPlanNodeType();
@@ -33,7 +32,6 @@ TEST_F(RpcQueryPlanTests, BasicTest) {
   bool serialize = mapped_plan_ptr.SerializeTo(output_plan);
   // Becuase the plan is not completed, so it is false
   EXPECT_FALSE(serialize);
-#endif
 }
 }
 }