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Posted to commits@quickstep.apache.org by zu...@apache.org on 2016/06/09 03:42:19 UTC

[46/50] incubator-quickstep git commit: Reordered Query ID in operators and work orders.

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/NestedLoopsJoinOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/NestedLoopsJoinOperator.hpp b/relational_operators/NestedLoopsJoinOperator.hpp
index f165442..0b13842 100644
--- a/relational_operators/NestedLoopsJoinOperator.hpp
+++ b/relational_operators/NestedLoopsJoinOperator.hpp
@@ -59,6 +59,7 @@ class NestedLoopsJoinOperator : public RelationalOperator {
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param left_input_relation The first relation in the join (order is not
    *        actually important).
    * @param right_input_relation The second relation in the join (order is not
@@ -76,17 +77,17 @@ class NestedLoopsJoinOperator : public RelationalOperator {
    * @param left_relation_is_stored If left_input_relation is a stored relation.
    * @param right_relation_is_stored If right_input_relation is a stored
    *                                 relation.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  NestedLoopsJoinOperator(const CatalogRelation &left_input_relation,
-                          const CatalogRelation &right_input_relation,
-                          const CatalogRelation &output_relation,
-                          const QueryContext::insert_destination_id output_destination_index,
-                          const QueryContext::predicate_id join_predicate_index,
-                          const QueryContext::scalar_group_id selection_index,
-                          bool left_relation_is_stored,
-                          bool right_relation_is_stored,
-                          const std::size_t query_id)
+  NestedLoopsJoinOperator(
+      const std::size_t query_id,
+      const CatalogRelation &left_input_relation,
+      const CatalogRelation &right_input_relation,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const QueryContext::predicate_id join_predicate_index,
+      const QueryContext::scalar_group_id selection_index,
+      bool left_relation_is_stored,
+      bool right_relation_is_stored)
       : RelationalOperator(query_id),
         left_input_relation_(left_input_relation),
         right_input_relation_(right_input_relation),
@@ -96,10 +97,12 @@ class NestedLoopsJoinOperator : public RelationalOperator {
         selection_index_(selection_index),
         left_relation_is_stored_(left_relation_is_stored),
         right_relation_is_stored_(right_relation_is_stored),
-        left_relation_block_ids_(left_relation_is_stored ? left_input_relation.getBlocksSnapshot()
-                                                         : std::vector<block_id>()),
-        right_relation_block_ids_(right_relation_is_stored ? right_input_relation.getBlocksSnapshot()
-                                                           : std::vector<block_id>()),
+        left_relation_block_ids_(left_relation_is_stored
+                                     ? left_input_relation.getBlocksSnapshot()
+                                     : std::vector<block_id>()),
+        right_relation_block_ids_(right_relation_is_stored
+                                      ? right_input_relation.getBlocksSnapshot()
+                                      : std::vector<block_id>()),
         num_left_workorders_generated_(0),
         num_right_workorders_generated_(0),
         done_feeding_left_relation_(false),
@@ -222,6 +225,7 @@ class NestedLoopsJoinWorkOrder : public WorkOrder {
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param left_input_relation The first relation in the join (order is not
    *        actually important).
    * @param right_input_relation The second relation in the join (order is not
@@ -233,19 +237,19 @@ class NestedLoopsJoinWorkOrder : public WorkOrder {
    * @param selection A list of Scalars corresponding to the relation attributes
    *        in \c output_destination. Each Scalar is evaluated for the joined
    *        tuples, and the resulting value is inserted into the join result.
-   * @param query_id The ID of the query to which this operator belongs.
    * @param output_destination The InsertDestination to insert the join results.
    * @param storage_manager The StorageManager to use.
    **/
-  NestedLoopsJoinWorkOrder(const CatalogRelationSchema &left_input_relation,
-                           const CatalogRelationSchema &right_input_relation,
-                           const block_id left_block_id,
-                           const block_id right_block_id,
-                           const Predicate *join_predicate,
-                           const std::vector<std::unique_ptr<const Scalar>> &selection,
-                           const std::size_t query_id,
-                           InsertDestination *output_destination,
-                           StorageManager *storage_manager)
+  NestedLoopsJoinWorkOrder(
+      const std::size_t query_id,
+      const CatalogRelationSchema &left_input_relation,
+      const CatalogRelationSchema &right_input_relation,
+      const block_id left_block_id,
+      const block_id right_block_id,
+      const Predicate *join_predicate,
+      const std::vector<std::unique_ptr<const Scalar>> &selection,
+      InsertDestination *output_destination,
+      StorageManager *storage_manager)
       : WorkOrder(query_id),
         left_input_relation_(left_input_relation),
         right_input_relation_(right_input_relation),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/RebuildWorkOrder.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/RebuildWorkOrder.hpp b/relational_operators/RebuildWorkOrder.hpp
index ae876ba..86f8eaf 100644
--- a/relational_operators/RebuildWorkOrder.hpp
+++ b/relational_operators/RebuildWorkOrder.hpp
@@ -48,6 +48,7 @@ class RebuildWorkOrder : public WorkOrder {
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this RebuildWorkOrder belongs.
    * @param block_ref A MutableBlockReference to the storage block which needs
    *        to be rebuilt.
    * @param input_operator_index The index of the relational operator in the
@@ -55,15 +56,15 @@ class RebuildWorkOrder : public WorkOrder {
    * @param input_relation_id The ID of the CatalogRelation to which the given
    *        storage block belongs to.
    * @param scheduler_client_id The TMB client ID of the scheduler thread.
-   * @param query_id The ID of the query to which this RebuildWorkOrder belongs.
    * @param bus A pointer to the TMB.
    **/
-  RebuildWorkOrder(MutableBlockReference &&block_ref,
-                   const std::size_t input_operator_index,
-                   const relation_id input_relation_id,
-                   const client_id scheduler_client_id,
-                   const std::size_t query_id,
-                   MessageBus *bus)
+  RebuildWorkOrder(
+      const std::size_t query_id,
+      MutableBlockReference &&block_ref,  // NOLINT(whitespace/operators)
+      const std::size_t input_operator_index,
+      const relation_id input_relation_id,
+      const client_id scheduler_client_id,
+      MessageBus *bus)
       : WorkOrder(query_id),
         block_ref_(std::move(block_ref)),
         input_operator_index_(input_operator_index),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/RelationalOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/RelationalOperator.hpp b/relational_operators/RelationalOperator.hpp
index aa93018..c173a0a 100644
--- a/relational_operators/RelationalOperator.hpp
+++ b/relational_operators/RelationalOperator.hpp
@@ -212,16 +212,17 @@ class RelationalOperator {
    * @param blocking_dependencies_met If those dependencies which break the
    *        pipeline have been met.
    **/
-  explicit RelationalOperator(const std::size_t query_id = 0,
+  explicit RelationalOperator(const std::size_t query_id,
                               const bool blocking_dependencies_met = false)
-      : blocking_dependencies_met_(blocking_dependencies_met),
-        done_feeding_input_relation_(false),
-        query_id_(query_id) {}
+      : query_id_(query_id),
+        blocking_dependencies_met_(blocking_dependencies_met),
+        done_feeding_input_relation_(false) {}
+
+  const std::size_t query_id_;
 
   bool blocking_dependencies_met_;
   bool done_feeding_input_relation_;
   std::size_t op_index_;
-  const std::size_t query_id_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RelationalOperator);

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SampleOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/SampleOperator.cpp b/relational_operators/SampleOperator.cpp
index b318ce4..8d5fade 100644
--- a/relational_operators/SampleOperator.cpp
+++ b/relational_operators/SampleOperator.cpp
@@ -54,11 +54,11 @@ bool SampleOperator::getAllWorkOrders(
         for (const block_id input_block_id : input_relation_block_ids_) {
           if (distribution(generator) <= probability) {
             container->addNormalWorkOrder(
-                new SampleWorkOrder(input_relation_,
+                new SampleWorkOrder(query_id_,
+                                    input_relation_,
                                     input_block_id,
                                     is_block_sample_,
                                     percentage_,
-                                    query_id_,
                                     output_destination,
                                     storage_manager),
                 op_index_);
@@ -68,15 +68,14 @@ bool SampleOperator::getAllWorkOrders(
         // Add all the blocks for tuple sampling which would handle
         // the sampling from each block
         for (const block_id input_block_id : input_relation_block_ids_) {
-          container->addNormalWorkOrder(
-              new SampleWorkOrder(input_relation_,
-                                  input_block_id,
-                                  is_block_sample_,
-                                  percentage_,
-                                  query_id_,
-                                  output_destination,
-                                  storage_manager),
-              op_index_);
+          container->addNormalWorkOrder(new SampleWorkOrder(query_id_,
+                                                            input_relation_,
+                                                            input_block_id,
+                                                            is_block_sample_,
+                                                            percentage_,
+                                                            output_destination,
+                                                            storage_manager),
+                                        op_index_);
         }
       }
       started_ = true;
@@ -87,13 +86,14 @@ bool SampleOperator::getAllWorkOrders(
           while (num_workorders_generated_ < input_relation_block_ids_.size()) {
             if (distribution(generator) <= probability) {
               container->addNormalWorkOrder(
-                  new SampleWorkOrder(input_relation_,
-                                      input_relation_block_ids_[num_workorders_generated_],
-                                      is_block_sample_,
-                                      percentage_,
-                                      query_id_,
-                                      output_destination,
-                                      storage_manager),
+                  new SampleWorkOrder(
+                      query_id_,
+                      input_relation_,
+                      input_relation_block_ids_[num_workorders_generated_],
+                      is_block_sample_,
+                      percentage_,
+                      output_destination,
+                      storage_manager),
                   op_index_);
             ++num_workorders_generated_;
           }
@@ -101,13 +101,14 @@ bool SampleOperator::getAllWorkOrders(
       } else  {
         while (num_workorders_generated_ < input_relation_block_ids_.size()) {
           container->addNormalWorkOrder(
-              new SampleWorkOrder(input_relation_,
-                                  input_relation_block_ids_[num_workorders_generated_],
-                                  is_block_sample_,
-                                  percentage_,
-                                  query_id_,
-                                  output_destination,
-                                  storage_manager),
+              new SampleWorkOrder(
+                  query_id_,
+                  input_relation_,
+                  input_relation_block_ids_[num_workorders_generated_],
+                  is_block_sample_,
+                  percentage_,
+                  output_destination,
+                  storage_manager),
               op_index_);
           ++num_workorders_generated_;
         }
@@ -115,6 +116,7 @@ bool SampleOperator::getAllWorkOrders(
     return done_feeding_input_relation_;
   }
 }
+
 void SampleWorkOrder::execute() {
   BlockReference block(
       storage_manager_->getBlock(input_block_id_, input_relation_));

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SampleOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/SampleOperator.hpp b/relational_operators/SampleOperator.hpp
index f65f28a..505daa2 100644
--- a/relational_operators/SampleOperator.hpp
+++ b/relational_operators/SampleOperator.hpp
@@ -54,8 +54,9 @@ class WorkOrdersContainer;
 class SampleOperator : public RelationalOperator {
  public:
   /**
-   * @brief Constructor for SampleOperator  with the sampling percentage and type of sampling.
+   * @brief Constructor for SampleOperator with the sampling percentage and type of sampling.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param input_relation The relation to perform sampling over.
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
@@ -65,15 +66,15 @@ class SampleOperator : public RelationalOperator {
    *        workorders.
    * @param is_block_sample Flag indicating whether the sample type is block or tuple.
    * @param percentage The percentage of data to be sampled.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  SampleOperator(const CatalogRelation &input_relation,
-                 const CatalogRelationSchema &output_relation,
-                 const QueryContext::insert_destination_id output_destination_index,
-                 const bool input_relation_is_stored,
-                 const bool is_block_sample,
-                 const int percentage,
-                 const std::size_t query_id)
+  SampleOperator(
+      const std::size_t query_id,
+      const CatalogRelation &input_relation,
+      const CatalogRelationSchema &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const bool input_relation_is_stored,
+      const bool is_block_sample,
+      const int percentage)
       : RelationalOperator(query_id),
         input_relation_(input_relation),
         output_relation_(output_relation),
@@ -81,8 +82,9 @@ class SampleOperator : public RelationalOperator {
         input_relation_is_stored_(input_relation_is_stored),
         is_block_sample_(is_block_sample),
         percentage_(percentage),
-        input_relation_block_ids_(input_relation_is_stored ? input_relation.getBlocksSnapshot()
-                                                           : std::vector<block_id>()),
+        input_relation_block_ids_(input_relation_is_stored
+                                      ? input_relation.getBlocksSnapshot()
+                                      : std::vector<block_id>()),
         num_workorders_generated_(0),
         started_(false) {}
 
@@ -133,11 +135,22 @@ class SampleOperator : public RelationalOperator {
  **/
 class SampleWorkOrder : public WorkOrder {
  public:
-  SampleWorkOrder(const CatalogRelationSchema &input_relation,
+  /**
+   * @brief Constructor.
+   *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
+   * @param input_relation The relation to perform sampling over.
+   * @param input_block_id The block to sample.
+   * @param is_block_sample Flag indicating whether the sample type is block or tuple.
+   * @param percentage The percentage of data to be sampled.
+   * @param output_destination The InsertDestination to insert the sample results.
+   * @param storage_manager The StorageManager to use.
+   **/
+  SampleWorkOrder(const std::size_t query_id,
+                  const CatalogRelationSchema &input_relation,
                   const block_id input_block_id,
                   const bool is_block_sample,
                   const int percentage,
-                  const std::size_t query_id,
                   InsertDestination *output_destination,
                   StorageManager *storage_manager)
       : WorkOrder(query_id),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SaveBlocksOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/SaveBlocksOperator.cpp b/relational_operators/SaveBlocksOperator.cpp
index 3581090..8127d88 100644
--- a/relational_operators/SaveBlocksOperator.cpp
+++ b/relational_operators/SaveBlocksOperator.cpp
@@ -36,9 +36,9 @@ bool SaveBlocksOperator::getAllWorkOrders(
   while (num_workorders_generated_ < destination_block_ids_.size()) {
     container->addNormalWorkOrder(
         new SaveBlocksWorkOrder(
+            query_id_,
             destination_block_ids_[num_workorders_generated_],
             force_,
-            query_id_,
             storage_manager),
         op_index_);
     ++num_workorders_generated_;

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SaveBlocksOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/SaveBlocksOperator.hpp b/relational_operators/SaveBlocksOperator.hpp
index f4650bb..6e2c72b 100644
--- a/relational_operators/SaveBlocksOperator.hpp
+++ b/relational_operators/SaveBlocksOperator.hpp
@@ -55,7 +55,8 @@ class SaveBlocksOperator : public RelationalOperator {
    * @param force If true, force writing of all blocks to disk, otherwise only
    *        write dirty blocks.
    **/
-  explicit SaveBlocksOperator(const std::size_t query_id, bool force = false)
+  explicit SaveBlocksOperator(const std::size_t query_id,
+                              const bool force = false)
       : RelationalOperator(query_id),
         force_(force),
         num_workorders_generated_(0) {}
@@ -96,15 +97,15 @@ class SaveBlocksWorkOrder : public WorkOrder {
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param save_block_id The id of the block to save.
    * @param force If true, force writing of all blocks to disk, otherwise only
    *        write dirty blocks.
-   * @param query_id The ID of the query to which this operator belongs.
    * @param storage_manager The StorageManager to use.
    **/
-  SaveBlocksWorkOrder(const block_id save_block_id,
+  SaveBlocksWorkOrder(const std::size_t query_id,
+                      const block_id save_block_id,
                       const bool force,
-                      const std::size_t query_id,
                       StorageManager *storage_manager)
       : WorkOrder(query_id),
         save_block_id_(save_block_id),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SelectOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/SelectOperator.cpp b/relational_operators/SelectOperator.cpp
index 350890d..e9a96f3 100644
--- a/relational_operators/SelectOperator.cpp
+++ b/relational_operators/SelectOperator.cpp
@@ -42,29 +42,28 @@ void SelectOperator::addWorkOrders(WorkOrdersContainer *container,
                                    InsertDestination *output_destination) {
   if (input_relation_is_stored_) {
     for (const block_id input_block_id : input_relation_block_ids_) {
-      container->addNormalWorkOrder(
-          new SelectWorkOrder(input_relation_,
-                              input_block_id,
-                              predicate,
-                              simple_projection_,
-                              simple_selection_,
-                              selection,
-                              query_id_,
-                              output_destination,
-                              storage_manager),
-          op_index_);
+      container->addNormalWorkOrder(new SelectWorkOrder(query_id_,
+                                                        input_relation_,
+                                                        input_block_id,
+                                                        predicate,
+                                                        simple_projection_,
+                                                        simple_selection_,
+                                                        selection,
+                                                        output_destination,
+                                                        storage_manager),
+                                    op_index_);
     }
   } else {
     while (num_workorders_generated_ < input_relation_block_ids_.size()) {
       container->addNormalWorkOrder(
           new SelectWorkOrder(
+              query_id_,
               input_relation_,
               input_relation_block_ids_[num_workorders_generated_],
               predicate,
               simple_projection_,
               simple_selection_,
               selection,
-              query_id_,
               output_destination,
               storage_manager),
           op_index_);
@@ -87,13 +86,13 @@ void SelectOperator::addPartitionAwareWorkOrders(WorkOrdersContainer *container,
            input_relation_block_ids_in_partition_[part_id]) {
         container->addNormalWorkOrder(
             new SelectWorkOrder(
+                query_id_,
                 input_relation_,
                 input_block_id,
                 predicate,
                 simple_projection_,
                 simple_selection_,
                 selection,
-                query_id_,
                 output_destination,
                 storage_manager,
                 placement_scheme_->getNUMANodeForBlock(input_block_id)),
@@ -108,13 +107,13 @@ void SelectOperator::addPartitionAwareWorkOrders(WorkOrdersContainer *container,
             = input_relation_block_ids_in_partition_[part_id][num_workorders_generated_in_partition_[part_id]];
         container->addNormalWorkOrder(
             new SelectWorkOrder(
+                query_id_,
                 input_relation_,
                 block_in_partition,
                 predicate,
                 simple_projection_,
                 simple_selection_,
                 selection,
-                query_id_,
                 output_destination,
                 storage_manager,
                 placement_scheme_->getNUMANodeForBlock(block_in_partition)),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SelectOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/SelectOperator.hpp b/relational_operators/SelectOperator.hpp
index 4f5b8ca..ac7b038 100644
--- a/relational_operators/SelectOperator.hpp
+++ b/relational_operators/SelectOperator.hpp
@@ -64,6 +64,7 @@ class SelectOperator : public RelationalOperator {
    * @brief Constructor for selection with arbitrary expressions in projection
    *        list.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param input_relation The relation to perform selection over.
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
@@ -76,23 +77,24 @@ class SelectOperator : public RelationalOperator {
    * @param input_relation_is_stored If input_relation is a stored relation and
    *        is fully available to the operator before it can start generating
    *        workorders.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  SelectOperator(const CatalogRelation &input_relation,
-                 const CatalogRelation &output_relation,
-                 const QueryContext::insert_destination_id output_destination_index,
-                 const QueryContext::predicate_id predicate_index,
-                 const QueryContext::scalar_group_id selection_index,
-                 const bool input_relation_is_stored,
-                 const std::size_t query_id)
+  SelectOperator(
+      const std::size_t query_id,
+      const CatalogRelation &input_relation,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const QueryContext::predicate_id predicate_index,
+      const QueryContext::scalar_group_id selection_index,
+      const bool input_relation_is_stored)
       : RelationalOperator(query_id),
         input_relation_(input_relation),
         output_relation_(output_relation),
         output_destination_index_(output_destination_index),
         predicate_index_(predicate_index),
         selection_index_(selection_index),
-        input_relation_block_ids_(input_relation_is_stored ? input_relation.getBlocksSnapshot()
-                                                           : std::vector<block_id>()),
+        input_relation_block_ids_(input_relation_is_stored
+                                      ? input_relation.getBlocksSnapshot()
+                                      : std::vector<block_id>()),
         num_workorders_generated_(0),
         simple_projection_(false),
         input_relation_is_stored_(input_relation_is_stored),
@@ -124,6 +126,7 @@ class SelectOperator : public RelationalOperator {
    *
    * @note selection_index_ is invalid, and will not be used for projection.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param input_relation The relation to perform selection over.
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
@@ -136,15 +139,15 @@ class SelectOperator : public RelationalOperator {
    * @param input_relation_is_stored If input_relation is a stored relation and
    *        is fully available to the operator before it can start generating
    *        workorders.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  SelectOperator(const CatalogRelation &input_relation,
-                 const CatalogRelation &output_relation,
-                 const QueryContext::insert_destination_id output_destination_index,
-                 const QueryContext::predicate_id predicate_index,
-                 std::vector<attribute_id> &&selection,
-                 const bool input_relation_is_stored,
-                 const std::size_t query_id)
+  SelectOperator(
+      const std::size_t query_id,
+      const CatalogRelation &input_relation,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const QueryContext::predicate_id predicate_index,
+      std::vector<attribute_id> &&selection,
+      const bool input_relation_is_stored)
       : RelationalOperator(query_id),
         input_relation_(input_relation),
         output_relation_(output_relation),
@@ -152,8 +155,9 @@ class SelectOperator : public RelationalOperator {
         predicate_index_(predicate_index),
         selection_index_(QueryContext::kInvalidScalarGroupId),
         simple_selection_(std::move(selection)),
-        input_relation_block_ids_(input_relation_is_stored ? input_relation.getBlocksSnapshot()
-                                                           : std::vector<block_id>()),
+        input_relation_block_ids_(input_relation_is_stored
+                                      ? input_relation.getBlocksSnapshot()
+                                      : std::vector<block_id>()),
         num_workorders_generated_(0),
         simple_projection_(true),
         input_relation_is_stored_(input_relation_is_stored),
@@ -278,6 +282,7 @@ class SelectWorkOrder : public WorkOrder {
    * @note Reference parameter selection is NOT owned by this class and must
    *       remain valid until after execute() is called.
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param input_relation The relation to perform selection over.
    * @param input_block_id The block id.
    * @param predicate All tuples matching \c predicate will be selected (or NULL
@@ -287,18 +292,17 @@ class SelectWorkOrder : public WorkOrder {
    *        simple_projection is true.
    * @param selection A list of Scalars which will be evaluated to project
    *        input tuples, used if \c simple_projection is false.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param output_destination The InsertDestination to insert the selection
    *        results.
    * @param storage_manager The StorageManager to use.
    **/
-  SelectWorkOrder(const CatalogRelationSchema &input_relation,
+  SelectWorkOrder(const std::size_t query_id,
+                  const CatalogRelationSchema &input_relation,
                   const block_id input_block_id,
                   const Predicate *predicate,
                   const bool simple_projection,
                   const std::vector<attribute_id> &simple_selection,
                   const std::vector<std::unique_ptr<const Scalar>> *selection,
-                  const std::size_t query_id,
                   InsertDestination *output_destination,
                   StorageManager *storage_manager,
                   const numa_node_id numa_node = 0)
@@ -320,6 +324,7 @@ class SelectWorkOrder : public WorkOrder {
    * @note Reference parameter selection is NOT owned by this class and must
    *       remain valid until after execute() is called.
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param input_relation The relation to perform selection over.
    * @param input_block_id The block id.
    * @param predicate All tuples matching \c predicate will be selected (or NULL
@@ -329,18 +334,17 @@ class SelectWorkOrder : public WorkOrder {
    *        simple_projection is true.
    * @param selection A list of Scalars which will be evaluated to project
    *        input tuples, used if \c simple_projection is false.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param output_destination The InsertDestination to insert the selection
    *        results.
    * @param storage_manager The StorageManager to use.
    **/
-  SelectWorkOrder(const CatalogRelationSchema &input_relation,
+  SelectWorkOrder(const std::size_t query_id,
+                  const CatalogRelationSchema &input_relation,
                   const block_id input_block_id,
                   const Predicate *predicate,
                   const bool simple_projection,
                   std::vector<attribute_id> &&simple_selection,
                   const std::vector<std::unique_ptr<const Scalar>> *selection,
-                  const std::size_t query_id,
                   InsertDestination *output_destination,
                   StorageManager *storage_manager,
                   const numa_node_id numa_node = 0)

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SortMergeRunOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/SortMergeRunOperator.cpp b/relational_operators/SortMergeRunOperator.cpp
index 9db8de1..6bf5719 100644
--- a/relational_operators/SortMergeRunOperator.cpp
+++ b/relational_operators/SortMergeRunOperator.cpp
@@ -85,12 +85,12 @@ WorkOrder *SortMergeRunOperator::createWorkOrder(
 
   // Create a work order from the merge job from merge tree.
   return new SortMergeRunWorkOrder(
+      query_id_,
       query_context->getSortConfig(sort_config_index_),
       job->level > 0 ? run_relation_ : input_relation_,
       std::move(job->runs),
       top_k_,
       job->level,
-      query_id_,
       output_destination,
       storage_manager,
       op_index_,

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SortMergeRunOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/SortMergeRunOperator.hpp b/relational_operators/SortMergeRunOperator.hpp
index f54e925..cfff8b9 100644
--- a/relational_operators/SortMergeRunOperator.hpp
+++ b/relational_operators/SortMergeRunOperator.hpp
@@ -72,6 +72,7 @@ class SortMergeRunOperator : public RelationalOperator {
   /**
    * @brief Constructor for merging sorted runs to generate a sorted relation.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param input_relation The relation to merge sorted blocks.
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
@@ -88,18 +89,18 @@ class SortMergeRunOperator : public RelationalOperator {
    *              \c top_k is 0.
    * @param input_relation_is_stored Boolean to indicate is input relation is
    *                                 stored or streamed.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  SortMergeRunOperator(const CatalogRelation &input_relation,
-                       const CatalogRelation &output_relation,
-                       const QueryContext::insert_destination_id output_destination_index,
-                       const CatalogRelation &run_relation,
-                       const QueryContext::insert_destination_id run_block_destination_index,
-                       const QueryContext::sort_config_id sort_config_index,
-                       const std::size_t merge_factor,
-                       const std::size_t top_k,
-                       const bool input_relation_is_stored,
-                       const std::size_t query_id)
+  SortMergeRunOperator(
+      const std::size_t query_id,
+      const CatalogRelation &input_relation,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const CatalogRelation &run_relation,
+      const QueryContext::insert_destination_id run_block_destination_index,
+      const QueryContext::sort_config_id sort_config_index,
+      const std::size_t merge_factor,
+      const std::size_t top_k,
+      const bool input_relation_is_stored)
       : RelationalOperator(query_id),
         input_relation_(input_relation),
         output_relation_(output_relation),
@@ -214,12 +215,12 @@ class SortMergeRunWorkOrder : public WorkOrder {
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param sort_config The Sort configuration.
    * @param run_relation The relation to which the run blocks belong to.
    * @param input_runs Input runs to merge.
    * @param top_k If non-zero will merge only \c top_k tuples.
    * @param merge_level Merge level in the merge tree.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param output_destination The InsertDestination to create new blocks.
    * @param storage_manager The StorageManager to use.
    * @param operator_index Merge-run operator index to send feedback messages
@@ -228,12 +229,12 @@ class SortMergeRunWorkOrder : public WorkOrder {
    * @param bus TMB to send the feedback message on.
    **/
   SortMergeRunWorkOrder(
+      const std::size_t query_id,
       const SortConfiguration &sort_config,
       const CatalogRelationSchema &run_relation,
       std::vector<merge_run_operator::Run> &&input_runs,
       const std::size_t top_k,
       const std::size_t merge_level,
-      const std::size_t query_id,
       InsertDestination *output_destination,
       StorageManager *storage_manager,
       const std::size_t operator_index,

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SortRunGenerationOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/SortRunGenerationOperator.cpp b/relational_operators/SortRunGenerationOperator.cpp
index e352f9e..37b8fb8 100644
--- a/relational_operators/SortRunGenerationOperator.cpp
+++ b/relational_operators/SortRunGenerationOperator.cpp
@@ -51,10 +51,10 @@ bool SortRunGenerationOperator::getAllWorkOrders(
     if (!started_) {
       for (const block_id input_block_id : input_relation_block_ids_) {
         container->addNormalWorkOrder(
-            new SortRunGenerationWorkOrder(input_relation_,
+            new SortRunGenerationWorkOrder(query_id_,
+                                           input_relation_,
                                            input_block_id,
                                            sort_config,
-                                           query_id_,
                                            output_destination,
                                            storage_manager),
             op_index_);
@@ -67,10 +67,10 @@ bool SortRunGenerationOperator::getAllWorkOrders(
     while (num_workorders_generated_ < input_relation_block_ids_.size()) {
       container->addNormalWorkOrder(
           new SortRunGenerationWorkOrder(
+              query_id_,
               input_relation_,
               input_relation_block_ids_[num_workorders_generated_],
               sort_config,
-              query_id_,
               output_destination,
               storage_manager),
           op_index_);

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/SortRunGenerationOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/SortRunGenerationOperator.hpp b/relational_operators/SortRunGenerationOperator.hpp
index 3da9813..f96e6a6 100644
--- a/relational_operators/SortRunGenerationOperator.hpp
+++ b/relational_operators/SortRunGenerationOperator.hpp
@@ -73,6 +73,7 @@ class SortRunGenerationOperator : public RelationalOperator {
    * @brief Constructor for sorting tuples in blocks based on the sort
    * configuration and writing to output destination.
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param input_relation The relation to generate sorted runs of.
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
@@ -83,21 +84,22 @@ class SortRunGenerationOperator : public RelationalOperator {
    * @param input_relation_is_stored Does the input relation contain the blocks
    *                                 to sort. If \c false, the blocks are
    *                                 streamed.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  SortRunGenerationOperator(const CatalogRelation &input_relation,
-                            const CatalogRelation &output_relation,
-                            const QueryContext::insert_destination_id output_destination_index,
-                            const QueryContext::sort_config_id sort_config_index,
-                            bool input_relation_is_stored,
-                            const std::size_t query_id)
+  SortRunGenerationOperator(
+      const std::size_t query_id,
+      const CatalogRelation &input_relation,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const QueryContext::sort_config_id sort_config_index,
+      bool input_relation_is_stored)
       : RelationalOperator(query_id),
         input_relation_(input_relation),
         output_relation_(output_relation),
         output_destination_index_(output_destination_index),
         sort_config_index_(sort_config_index),
-        input_relation_block_ids_(input_relation_is_stored ? input_relation.getBlocksSnapshot()
-                                                           : std::vector<block_id>()),
+        input_relation_block_ids_(input_relation_is_stored
+                                      ? input_relation.getBlocksSnapshot()
+                                      : std::vector<block_id>()),
         num_workorders_generated_(0),
         started_(false),
         input_relation_is_stored_(input_relation_is_stored) {}
@@ -151,19 +153,19 @@ class SortRunGenerationWorkOrder : public WorkOrder {
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param input_relation The relation to generate sorted runs of.
    * @param input_block_id The block id.
    * @param sort_config The Sort configuration specifying ORDER BY, ordering,
    *        and null ordering.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param output_destination The InsertDestination to store the sorted blocks
    *        of runs.
    * @param storage_manager The StorageManager to use.
    **/
-  SortRunGenerationWorkOrder(const CatalogRelationSchema &input_relation,
+  SortRunGenerationWorkOrder(const std::size_t query_id,
+                             const CatalogRelationSchema &input_relation,
                              const block_id input_block_id,
                              const SortConfiguration &sort_config,
-                             const std::size_t query_id,
                              InsertDestination *output_destination,
                              StorageManager *storage_manager)
       : WorkOrder(query_id),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/TableGeneratorOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/TableGeneratorOperator.cpp b/relational_operators/TableGeneratorOperator.cpp
index fb1f743..a3f9340 100644
--- a/relational_operators/TableGeneratorOperator.cpp
+++ b/relational_operators/TableGeneratorOperator.cpp
@@ -43,9 +43,9 @@ bool TableGeneratorOperator::getAllWorkOrders(
     // so just produce one work order.
     container->addNormalWorkOrder(
         new TableGeneratorWorkOrder(
+            query_id_,
             query_context->getGeneratorFunctionHandle(
                 generator_function_index_),
-            query_id_,
             query_context->getInsertDestination(output_destination_index_)),
         op_index_);
     started_ = true;

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/TableGeneratorOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/TableGeneratorOperator.hpp b/relational_operators/TableGeneratorOperator.hpp
index bfc70c5..6a6af4b 100644
--- a/relational_operators/TableGeneratorOperator.hpp
+++ b/relational_operators/TableGeneratorOperator.hpp
@@ -55,23 +55,23 @@ class TableGeneratorOperator : public RelationalOperator {
   /**
    * @brief Constructor
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
    *        QueryContext to insert the generated output.
    * @param generator_function_index The index of the GeneratorFunctionHandle in
    *        the QueryContext.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  TableGeneratorOperator(const CatalogRelation &output_relation,
-                         const QueryContext::insert_destination_id output_destination_index,
-                         const QueryContext::generator_function_id generator_function_index,
-                         const std::size_t query_id)
+  TableGeneratorOperator(
+      const std::size_t query_id,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index,
+      const QueryContext::generator_function_id generator_function_index)
       : RelationalOperator(query_id),
         output_relation_(output_relation),
         output_destination_index_(output_destination_index),
         generator_function_index_(generator_function_index),
-        started_(false) {
-  }
+        started_(false) {}
 
   ~TableGeneratorOperator() override {}
 
@@ -113,13 +113,13 @@ class TableGeneratorWorkOrder : public WorkOrder {
   /**
    * @brief Constructor.
    *
-   * @param generator_function The GeneratorFunctionHandle to use.
    * @param query_id The ID of the query to which this WorkOrder belongs.
+   * @param generator_function The GeneratorFunctionHandle to use.
    * @param output_destination The InsertDestination to insert the generated
    *        output.
    **/
-  TableGeneratorWorkOrder(const GeneratorFunctionHandle &function_handle,
-                          const std::size_t query_id,
+  TableGeneratorWorkOrder(const std::size_t query_id,
+                          const GeneratorFunctionHandle &function_handle,
                           InsertDestination *output_destination)
       : WorkOrder(query_id),
         function_handle_(function_handle),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/TextScanOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/TextScanOperator.cpp b/relational_operators/TextScanOperator.cpp
index 8db5ef1..5acecbf 100644
--- a/relational_operators/TextScanOperator.cpp
+++ b/relational_operators/TextScanOperator.cpp
@@ -165,9 +165,9 @@ bool TextScanOperator::getAllWorkOrders(
         // First, generate text-split work orders.
         for (const auto &file : files) {
           container->addNormalWorkOrder(
-              new TextSplitWorkOrder(file,
+              new TextSplitWorkOrder(query_id_,
+                                     file,
                                      process_escape_sequences_,
-                                     query_id_,
                                      storage_manager,
                                      op_index_,
                                      scheduler_client_id,
@@ -182,11 +182,11 @@ bool TextScanOperator::getAllWorkOrders(
         while (!text_blob_queue_.empty()) {
           const TextBlob blob_work = text_blob_queue_.popOne();
           container->addNormalWorkOrder(
-              new TextScanWorkOrder(blob_work.blob_id,
+              new TextScanWorkOrder(query_id_,
+                                    blob_work.blob_id,
                                     blob_work.size,
                                     field_terminator_,
                                     process_escape_sequences_,
-                                    query_id_,
                                     output_destination,
                                     storage_manager),
               op_index_);
@@ -203,10 +203,10 @@ bool TextScanOperator::getAllWorkOrders(
     if (blocking_dependencies_met_ && !work_generated_) {
       for (const auto &file : files) {
         container->addNormalWorkOrder(
-            new TextScanWorkOrder(file,
+            new TextScanWorkOrder(query_id_,
+                                  file,
                                   field_terminator_,
                                   process_escape_sequences_,
-                                  query_id_,
                                   output_destination,
                                   storage_manager),
             op_index_);
@@ -234,11 +234,10 @@ void TextScanOperator::receiveFeedbackMessage(const WorkOrder::FeedbackMessage &
   }
 }
 
-
-TextScanWorkOrder::TextScanWorkOrder(const std::string &filename,
+TextScanWorkOrder::TextScanWorkOrder(const std::size_t query_id,
+                                     const std::string &filename,
                                      const char field_terminator,
                                      const bool process_escape_sequences,
-                                     const std::size_t query_id,
                                      InsertDestination *output_destination,
                                      StorageManager *storage_manager)
     : WorkOrder(query_id),
@@ -254,11 +253,11 @@ TextScanWorkOrder::TextScanWorkOrder(const std::string &filename,
   DCHECK(storage_manager_ != nullptr);
 }
 
-TextScanWorkOrder::TextScanWorkOrder(const block_id text_blob,
+TextScanWorkOrder::TextScanWorkOrder(const std::size_t query_id,
+                                     const block_id text_blob,
                                      const std::size_t text_size,
                                      const char field_terminator,
                                      const bool process_escape_sequences,
-                                     const std::size_t query_id,
                                      InsertDestination *output_destination,
                                      StorageManager *storage_manager)
     : WorkOrder(query_id),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/TextScanOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/TextScanOperator.hpp b/relational_operators/TextScanOperator.hpp
index 1d0c04f..3cda65b 100644
--- a/relational_operators/TextScanOperator.hpp
+++ b/relational_operators/TextScanOperator.hpp
@@ -121,6 +121,7 @@ class TextScanOperator : public RelationalOperator {
   /**
    * @brief Constructor
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param file_pattern The glob-like file pattern of the sources to load. The
    *        pattern could include * (wildcard for multiple chars) and ?
    *        (wildcard for single char). It defaults to single file load, if a
@@ -134,15 +135,15 @@ class TextScanOperator : public RelationalOperator {
    * @param output_relation The output relation.
    * @param output_destination_index The index of the InsertDestination in the
    *        QueryContext to insert tuples.
-   * @param query_id The ID of the query to which this operator belongs.
    **/
-  TextScanOperator(const std::string &file_pattern,
-                   const char field_terminator,
-                   const bool process_escape_sequences,
-                   const bool parallelize_load,
-                   const CatalogRelation &output_relation,
-                   const QueryContext::insert_destination_id output_destination_index,
-                   const std::size_t query_id)
+  TextScanOperator(
+      const std::size_t query_id,
+      const std::string &file_pattern,
+      const char field_terminator,
+      const bool process_escape_sequences,
+      const bool parallelize_load,
+      const CatalogRelation &output_relation,
+      const QueryContext::insert_destination_id output_destination_index)
       : RelationalOperator(query_id),
         file_pattern_(file_pattern),
         field_terminator_(field_terminator),
@@ -200,42 +201,42 @@ class TextScanWorkOrder : public WorkOrder {
   /**
    * @brief Constructor
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param filename The name of the text file to bulk insert.
    * @param field_terminator The string which separates attribute values in
    *        the text file.
    * @param process_escape_sequences Whether to decode escape sequences in the
    *        text file.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param output_destination The InsertDestination to insert tuples.
    * @param storage_manager The StorageManager to use.
    **/
   TextScanWorkOrder(
+      const std::size_t query_id,
       const std::string &filename,
       const char field_terminator,
       const bool process_escape_sequences,
-      const std::size_t query_id,
       InsertDestination *output_destination,
       StorageManager *storage_manager);
 
   /**
    * @brief Constructor.
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param text_blob Blob ID containing the data to be scanned.
    * @param text_size Size of the data in the blob.
    * @param field_terminator The character which separates attribute values in
    *        the text file.
    * @param process_escape_sequences Whether to decode escape sequences in the
    *        text file.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param output_destination The InsertDestination to write the read tuples.
    * @param storage_manager The StorageManager to use.
    */
   TextScanWorkOrder(
+      const std::size_t query_id,
       const block_id text_blob,
       const std::size_t text_size,
       const char field_terminator,
       const bool process_escape_sequences,
-      const std::size_t query_id,
       InsertDestination *output_destination,
       StorageManager *storage_manager);
 
@@ -322,19 +323,20 @@ class TextSplitWorkOrder : public WorkOrder {
  public:
   /**
    * @brief Constructor.
+   *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param filename File to split into row-aligned blobs.
    * @param process_escape_sequences Whether to decode escape sequences in the
    *        text file.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param storage_manager The StorageManager to use.
    * @param operator_index Operator index of the current operator. This is used
    *                       to send new-work available message to Foreman.
    * @param scheduler_client_id The TMB client ID of the scheduler thread.
    * @param bus A pointer to the TMB.
    */
-  TextSplitWorkOrder(const std::string &filename,
+  TextSplitWorkOrder(const std::size_t query_id,
+                     const std::string &filename,
                      const bool process_escape_sequences,
-                     const std::size_t query_id,
                      StorageManager *storage_manager,
                      const std::size_t operator_index,
                      const tmb::client_id scheduler_client_id,

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/UpdateOperator.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/UpdateOperator.cpp b/relational_operators/UpdateOperator.cpp
index b331a9c..2130563 100644
--- a/relational_operators/UpdateOperator.cpp
+++ b/relational_operators/UpdateOperator.cpp
@@ -53,16 +53,18 @@ bool UpdateOperator::getAllWorkOrders(
 
     for (const block_id input_block_id : input_blocks_) {
       container->addNormalWorkOrder(
-          new UpdateWorkOrder(relation_,
-                              input_block_id,
-                              query_context->getPredicate(predicate_index_),
-                              query_context->getUpdateGroup(update_group_index_),
-                              query_id_,
-                              query_context->getInsertDestination(relocation_destination_index_),
-                              storage_manager,
-                              op_index_,
-                              scheduler_client_id,
-                              bus),
+          new UpdateWorkOrder(
+              query_id_,
+              relation_,
+              input_block_id,
+              query_context->getPredicate(predicate_index_),
+              query_context->getUpdateGroup(update_group_index_),
+              query_context->getInsertDestination(
+                  relocation_destination_index_),
+              storage_manager,
+              op_index_,
+              scheduler_client_id,
+              bus),
           op_index_);
     }
     started_ = true;

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/UpdateOperator.hpp
----------------------------------------------------------------------
diff --git a/relational_operators/UpdateOperator.hpp b/relational_operators/UpdateOperator.hpp
index ba2d6cf..cebb9b5 100644
--- a/relational_operators/UpdateOperator.hpp
+++ b/relational_operators/UpdateOperator.hpp
@@ -62,6 +62,7 @@ class UpdateOperator : public RelationalOperator {
   /**
    * @brief Constructor
    *
+   * @param query_id The ID of the query to which this operator belongs.
    * @param relation The relation to perform the UPDATE over.
    * @param relocation_destination_index The index of the InsertDestination in
    *        the QueryContext to relocate tuples which can not be updated
@@ -72,16 +73,16 @@ class UpdateOperator : public RelationalOperator {
    * @param update_group_index The index of a update group (the map of
    *        attribute_ids to Scalars) which should be evaluated to get the new
    *        value for the corresponding attribute.
-   * @param query_id The ID of the query to which this operator belongs.
    *
    * @warning The constructed InsertDestination should belong to relation, but
    *          must NOT contain any pre-existing blocks.
    **/
-  UpdateOperator(const CatalogRelation &relation,
-                 const QueryContext::insert_destination_id relocation_destination_index,
-                 const QueryContext::predicate_id predicate_index,
-                 const QueryContext::update_group_id update_group_index,
-                 const std::size_t query_id)
+  UpdateOperator(
+      const std::size_t query_id,
+      const CatalogRelation &relation,
+      const QueryContext::insert_destination_id relocation_destination_index,
+      const QueryContext::predicate_id predicate_index,
+      const QueryContext::update_group_id update_group_index)
       : RelationalOperator(query_id),
         relation_(relation),
         relocation_destination_index_(relocation_destination_index),
@@ -127,13 +128,13 @@ class UpdateWorkOrder : public WorkOrder {
   /**
    * @brief Constructor
    *
+   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param relation The relation to perform the UPDATE over.
    * @param predicate All tuples matching \c predicate will be updated (or NULL
    *        to update all tuples).
    * @param assignments The assignments (the map of attribute_ids to Scalars)
    *        which should be evaluated to get the new value for the corresponding
    *        attribute.
-   * @param query_id The ID of the query to which this WorkOrder belongs.
    * @param input_block_id The block id.
    * @param relocation_destination The InsertDestination to relocate tuples
    *        which can not be updated in-place.
@@ -143,16 +144,18 @@ class UpdateWorkOrder : public WorkOrder {
    * @param scheduler_client_id The TMB client ID of the scheduler thread.
    * @param bus A pointer to the TMB.
    **/
-  UpdateWorkOrder(const CatalogRelationSchema &relation,
-                  const block_id input_block_id,
-                  const Predicate *predicate,
-                  const std::unordered_map<attribute_id, std::unique_ptr<const Scalar>> &assignments,
-                  const std::size_t query_id,
-                  InsertDestination *relocation_destination,
-                  StorageManager *storage_manager,
-                  const std::size_t update_operator_index,
-                  const tmb::client_id scheduler_client_id,
-                  MessageBus *bus)
+  UpdateWorkOrder(
+      const std::size_t query_id,
+      const CatalogRelationSchema &relation,
+      const block_id input_block_id,
+      const Predicate *predicate,
+      const std::unordered_map<attribute_id, std::unique_ptr<const Scalar>>
+          &assignments,
+      InsertDestination *relocation_destination,
+      StorageManager *storage_manager,
+      const std::size_t update_operator_index,
+      const tmb::client_id scheduler_client_id,
+      MessageBus *bus)
       : WorkOrder(query_id),
         relation_(relation),
         input_block_id_(input_block_id),

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/WorkOrderFactory.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/WorkOrderFactory.cpp b/relational_operators/WorkOrderFactory.cpp
index fdd694f..489b666 100644
--- a/relational_operators/WorkOrderFactory.cpp
+++ b/relational_operators/WorkOrderFactory.cpp
@@ -75,8 +75,8 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::AGGREGATION: {
       LOG(INFO) << "Creating AggregationWorkOrder";
       return new AggregationWorkOrder(
-          proto.GetExtension(serialization::AggregationWorkOrder::block_id),
           proto.query_id(),
+          proto.GetExtension(serialization::AggregationWorkOrder::block_id),
           query_context->getAggregationState(
               proto.GetExtension(serialization::AggregationWorkOrder::aggr_state_index)));
     }
@@ -89,12 +89,12 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
       }
 
       return new BuildHashWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::BuildHashWorkOrder::relation_id)),
           move(join_key_attributes),
           proto.GetExtension(serialization::BuildHashWorkOrder::any_join_key_attributes_nullable),
           proto.GetExtension(serialization::BuildHashWorkOrder::block_id),
-          proto.query_id(),
           query_context->getJoinHashTable(
               proto.GetExtension(serialization::BuildHashWorkOrder::join_hash_table_index)),
           storage_manager);
@@ -102,6 +102,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::DELETE: {
       LOG(INFO) << "Creating DeleteWorkOrder";
       return new DeleteWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::DeleteWorkOrder::relation_id)),
           proto.GetExtension(serialization::DeleteWorkOrder::block_id),
@@ -110,15 +111,14 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
           storage_manager,
           proto.GetExtension(serialization::DeleteWorkOrder::operator_index),
           shiftboss_client_id,
-          proto.query_id(),
           bus);
     }
     case serialization::DESTROY_HASH: {
       LOG(INFO) << "Creating DestroyHashWorkOrder";
       return new DestroyHashWorkOrder(
+          proto.query_id(),
           proto.GetExtension(
               serialization::DestroyHashWorkOrder::join_hash_table_index),
-          proto.query_id(),
           query_context);
     }
     case serialization::DROP_TABLE: {
@@ -193,6 +193,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
         case serialization::HashJoinWorkOrder::HASH_ANTI_JOIN: {
           LOG(INFO) << "Creating HashAntiJoinWorkOrder";
           return new HashAntiJoinWorkOrder(
+              proto.query_id(),
               build_relation,
               probe_relation,
               move(join_key_attributes),
@@ -201,13 +202,13 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
               residual_predicate,
               selection,
               hash_table,
-              proto.query_id(),
               output_destination,
               storage_manager);
         }
         case serialization::HashJoinWorkOrder::HASH_INNER_JOIN: {
           LOG(INFO) << "Creating HashInnerJoinWorkOrder";
           return new HashInnerJoinWorkOrder(
+              proto.query_id(),
               build_relation,
               probe_relation,
               move(join_key_attributes),
@@ -216,7 +217,6 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
               residual_predicate,
               selection,
               hash_table,
-              proto.query_id(),
               output_destination,
               storage_manager);
         }
@@ -231,6 +231,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
 
           LOG(INFO) << "Creating HashOuterJoinWorkOrder";
           return new HashOuterJoinWorkOrder(
+              proto.query_id(),
               build_relation,
               probe_relation,
               move(join_key_attributes),
@@ -239,13 +240,13 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
               selection,
               move(is_selection_on_build),
               hash_table,
-              proto.query_id(),
               output_destination,
               storage_manager);
         }
         case serialization::HashJoinWorkOrder::HASH_SEMI_JOIN: {
           LOG(INFO) << "Creating HashSemiJoinWorkOrder";
           return new HashSemiJoinWorkOrder(
+              proto.query_id(),
               build_relation,
               probe_relation,
               move(join_key_attributes),
@@ -254,7 +255,6 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
               residual_predicate,
               selection,
               hash_table,
-              proto.query_id(),
               output_destination,
               storage_manager);
         }
@@ -274,6 +274,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::NESTED_LOOP_JOIN: {
       LOG(INFO) << "Creating NestedLoopsJoinWorkOrder";
       return new NestedLoopsJoinWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::NestedLoopsJoinWorkOrder::left_relation_id)),
           catalog_database->getRelationSchemaById(
@@ -284,7 +285,6 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
               proto.GetExtension(serialization::NestedLoopsJoinWorkOrder::join_predicate_index)),
           query_context->getScalarGroup(
               proto.GetExtension(serialization::NestedLoopsJoinWorkOrder::selection_index)),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::NestedLoopsJoinWorkOrder::insert_destination_index)),
           storage_manager);
@@ -292,12 +292,12 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::SAMPLE: {
       LOG(INFO) << "Creating SampleWorkOrder";
       return new SampleWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::SampleWorkOrder::relation_id)),
           proto.GetExtension(serialization::SampleWorkOrder::block_id),
           proto.GetExtension(serialization::SampleWorkOrder::is_block_sample),
           proto.GetExtension(serialization::SampleWorkOrder::percentage),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::SampleWorkOrder::insert_destination_index)),
           storage_manager);
@@ -305,9 +305,9 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::SAVE_BLOCKS: {
       LOG(INFO) << "Creating SaveBlocksWorkOrder";
       return new SaveBlocksWorkOrder(
+          proto.query_id(),
           proto.GetExtension(serialization::SaveBlocksWorkOrder::block_id),
           proto.GetExtension(serialization::SaveBlocksWorkOrder::force),
-          proto.query_id(),
           storage_manager);
     }
     case serialization::SELECT: {
@@ -321,6 +321,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
       }
 
       return new SelectWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::SelectWorkOrder::relation_id)),
           proto.GetExtension(serialization::SelectWorkOrder::block_id),
@@ -331,7 +332,6 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
           simple_projection ? nullptr
                             : &query_context->getScalarGroup(
                                   proto.GetExtension(serialization::SelectWorkOrder::selection_index)),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::SelectWorkOrder::insert_destination_index)),
           storage_manager);
@@ -350,6 +350,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
       }
 
       return new SortMergeRunWorkOrder(
+          proto.query_id(),
           query_context->getSortConfig(
               proto.GetExtension(serialization::SortMergeRunWorkOrder::sort_config_index)),
           catalog_database->getRelationSchemaById(
@@ -357,7 +358,6 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
           move(runs),
           proto.GetExtension(serialization::SortMergeRunWorkOrder::top_k),
           proto.GetExtension(serialization::SortMergeRunWorkOrder::merge_level),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::SortMergeRunWorkOrder::insert_destination_index)),
           storage_manager,
@@ -368,12 +368,12 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::SORT_RUN_GENERATION: {
       LOG(INFO) << "Creating SortRunGenerationWorkOrder";
       return new SortRunGenerationWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::SortRunGenerationWorkOrder::relation_id)),
           proto.GetExtension(serialization::SortRunGenerationWorkOrder::block_id),
           query_context->getSortConfig(
               proto.GetExtension(serialization::SortRunGenerationWorkOrder::sort_config_index)),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::SortRunGenerationWorkOrder::insert_destination_index)),
           storage_manager);
@@ -381,9 +381,9 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::TABLE_GENERATOR: {
       LOG(INFO) << "Creating SortRunGenerationWorkOrder";
       return new TableGeneratorWorkOrder(
+          proto.query_id(),
           query_context->getGeneratorFunctionHandle(
               proto.GetExtension(serialization::TableGeneratorWorkOrder::generator_function_index)),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::TableGeneratorWorkOrder::insert_destination_index)));
     }
@@ -391,10 +391,10 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
       LOG(INFO) << "Creating TextScanWorkOrder";
       if (proto.HasExtension(serialization::TextScanWorkOrder::filename)) {
         return new TextScanWorkOrder(
+            proto.query_id(),
             proto.GetExtension(serialization::TextScanWorkOrder::filename),
             proto.GetExtension(serialization::TextScanWorkOrder::field_terminator),
             proto.GetExtension(serialization::TextScanWorkOrder::process_escape_sequences),
-            proto.query_id(),
             query_context->getInsertDestination(
                 proto.GetExtension(serialization::TextScanWorkOrder::insert_destination_index)),
             storage_manager);
@@ -403,11 +403,11 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
             proto.GetExtension(serialization::TextScanWorkOrder::text_blob);
 
         return new TextScanWorkOrder(
+            proto.query_id(),
             text_blob_proto.blob_id(),
             text_blob_proto.size(),
             proto.GetExtension(serialization::TextScanWorkOrder::field_terminator),
             proto.GetExtension(serialization::TextScanWorkOrder::process_escape_sequences),
-            proto.query_id(),
             query_context->getInsertDestination(
                 proto.GetExtension(serialization::TextScanWorkOrder::insert_destination_index)),
             storage_manager);
@@ -416,9 +416,9 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::TEXT_SPLIT: {
       LOG(INFO) << "Creating TextSplitWorkOrder";
       return new TextSplitWorkOrder(
+          proto.query_id(),
           proto.GetExtension(serialization::TextSplitWorkOrder::filename),
           proto.GetExtension(serialization::TextSplitWorkOrder::process_escape_sequences),
-          proto.query_id(),
           storage_manager,
           proto.GetExtension(serialization::TextSplitWorkOrder::operator_index),
           shiftboss_client_id,
@@ -427,6 +427,7 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
     case serialization::UPDATE: {
       LOG(INFO) << "Creating UpdateWorkOrder";
       return new UpdateWorkOrder(
+          proto.query_id(),
           catalog_database->getRelationSchemaById(
               proto.GetExtension(serialization::UpdateWorkOrder::relation_id)),
           proto.GetExtension(serialization::UpdateWorkOrder::block_id),
@@ -434,7 +435,6 @@ WorkOrder* WorkOrderFactory::ReconstructFromProto(const serialization::WorkOrder
               proto.GetExtension(serialization::UpdateWorkOrder::predicate_index)),
           query_context->getUpdateGroup(
               proto.GetExtension(serialization::UpdateWorkOrder::update_group_index)),
-          proto.query_id(),
           query_context->getInsertDestination(
               proto.GetExtension(serialization::UpdateWorkOrder::insert_destination_index)),
           storage_manager,

http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/1be47dcb/relational_operators/tests/AggregationOperator_unittest.cpp
----------------------------------------------------------------------
diff --git a/relational_operators/tests/AggregationOperator_unittest.cpp b/relational_operators/tests/AggregationOperator_unittest.cpp
index ace7951..fdcc54f 100644
--- a/relational_operators/tests/AggregationOperator_unittest.cpp
+++ b/relational_operators/tests/AggregationOperator_unittest.cpp
@@ -77,6 +77,7 @@ using std::unique_ptr;
 namespace quickstep {
 
 namespace {
+constexpr std::size_t kQueryId = 0;
 constexpr int kOpIndex = 0;
 }  // namespace
 
@@ -270,7 +271,7 @@ class AggregationOperatorTest : public ::testing::Test {
     aggr_state_proto->set_estimated_num_entries(estimated_entries);
 
     // Create Operators.
-    op_.reset(new AggregationOperator(*table_, true, aggr_state_index, 0));
+    op_.reset(new AggregationOperator(0, *table_, true, aggr_state_index));
 
     // Setup the InsertDestination proto in the query context proto.
     const QueryContext::insert_destination_id insert_destination_index =
@@ -281,10 +282,11 @@ class AggregationOperatorTest : public ::testing::Test {
     insert_destination_proto->set_relation_id(result_table_->getID());
     insert_destination_proto->set_relational_op_index(kOpIndex);
 
-    finalize_op_.reset(new FinalizeAggregationOperator(aggr_state_index,
-                                                       *result_table_,
-                                                       insert_destination_index,
-                                                       0 /* dummy query ID */));
+    finalize_op_.reset(
+        new FinalizeAggregationOperator(kQueryId,
+                                        aggr_state_index,
+                                        *result_table_,
+                                        insert_destination_index));
 
     // Set up the QueryContext.
     query_context_.reset(new QueryContext(query_context_proto,
@@ -354,7 +356,7 @@ class AggregationOperatorTest : public ::testing::Test {
         serialization::HashTableImplType::LINEAR_OPEN_ADDRESSING);
 
     // Create Operators.
-    op_.reset(new AggregationOperator(*table_, true, aggr_state_index, 0));
+    op_.reset(new AggregationOperator(0, *table_, true, aggr_state_index));
 
     // Setup the InsertDestination proto in the query context proto.
     const QueryContext::insert_destination_id insert_destination_index =
@@ -365,10 +367,11 @@ class AggregationOperatorTest : public ::testing::Test {
     insert_destination_proto->set_relation_id(result_table_->getID());
     insert_destination_proto->set_relational_op_index(kOpIndex);
 
-    finalize_op_.reset(new FinalizeAggregationOperator(aggr_state_index,
-                                                       *result_table_,
-                                                       insert_destination_index,
-                                                       0 /* dummy query ID */));
+    finalize_op_.reset(
+        new FinalizeAggregationOperator(kQueryId,
+                                        aggr_state_index,
+                                        *result_table_,
+                                        insert_destination_index));
 
     // Set up the QueryContext.
     query_context_.reset(new QueryContext(query_context_proto,