| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| **/ |
| |
| #include "relational_operators/SaveBlocksOperator.hpp" |
| |
| #include <vector> |
| |
| #include "catalog/CatalogRelation.hpp" |
| #include "query_execution/WorkOrderProtosContainer.hpp" |
| #include "query_execution/WorkOrdersContainer.hpp" |
| #include "relational_operators/WorkOrder.pb.h" |
| #include "storage/StorageBlockInfo.hpp" |
| #include "storage/StorageManager.hpp" |
| |
| #include "tmb/id_typedefs.h" |
| |
| namespace quickstep { |
| |
| bool SaveBlocksOperator::getAllWorkOrders( |
| WorkOrdersContainer *container, |
| QueryContext *query_context, |
| StorageManager *storage_manager, |
| const tmb::client_id scheduler_client_id, |
| tmb::MessageBus *bus) { |
| while (num_workorders_generated_ < destination_block_ids_.size()) { |
| container->addNormalWorkOrder( |
| new SaveBlocksWorkOrder( |
| query_id_, |
| destination_block_ids_[num_workorders_generated_], |
| force_, |
| storage_manager), |
| op_index_); |
| ++num_workorders_generated_; |
| } |
| return done_feeding_input_relation_; |
| } |
| |
| bool SaveBlocksOperator::getAllWorkOrderProtos(WorkOrderProtosContainer *container) { |
| while (num_workorders_generated_ < destination_block_ids_.size()) { |
| serialization::WorkOrder *proto = new serialization::WorkOrder; |
| proto->set_work_order_type(serialization::SAVE_BLOCKS); |
| proto->set_query_id(query_id_); |
| proto->SetExtension(serialization::SaveBlocksWorkOrder::block_id, |
| destination_block_ids_[num_workorders_generated_]); |
| proto->SetExtension(serialization::SaveBlocksWorkOrder::force, force_); |
| |
| container->addWorkOrderProto(proto, op_index_); |
| |
| ++num_workorders_generated_; |
| } |
| return done_feeding_input_relation_; |
| } |
| |
| void SaveBlocksOperator::updateCatalogOnCompletion() { |
| // Note(jianqiao): We need to reset the exactness flag whenever a stored |
| // relation gets changed. Given the pre-condition that all the data manipulation |
| // operations (insert, delete, update, copy) use this SaveBlocksOperator as a |
| // common routine. It is valid to put the updating call here to minimize the |
| // changes to other relational operators (e.g. InsertOperator, DeleteOperator, |
| // TextScanOperator, SelectOperator, etc.). |
| relation_->getStatisticsMutable()->setExactness(false); |
| } |
| |
| void SaveBlocksWorkOrder::execute() { |
| // It may happen that the block gets saved to disk as a result of an eviction, |
| // before this invocation. In either case, we don't care about the return |
| // value of saveBlockOrBlob. |
| storage_manager_->saveBlockOrBlob(save_block_id_, force_); |
| } |
| |
| } // namespace quickstep |