| /** |
| * 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/DropTableOperator.hpp" |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "catalog/CatalogDatabase.hpp" |
| #include "catalog/CatalogDatabaseLite.hpp" |
| #include "catalog/CatalogRelation.hpp" |
| #include "catalog/CatalogTypedefs.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 DropTableOperator::getAllWorkOrders( |
| WorkOrdersContainer *container, |
| QueryContext *query_context, |
| StorageManager *storage_manager, |
| const tmb::client_id scheduler_client_id, |
| tmb::MessageBus *bus) { |
| if (work_generated_) { |
| return true; |
| } |
| |
| std::vector<block_id> relation_blocks(relation_.getBlocksSnapshot()); |
| |
| // DropTableWorkOrder only drops blocks, if any. |
| container->addNormalWorkOrder( |
| new DropTableWorkOrder( |
| query_id_, std::move(relation_blocks), storage_manager), |
| op_index_); |
| |
| database_->setStatus(CatalogDatabase::Status::kPendingBlockDeletions); |
| |
| work_generated_ = true; |
| return true; |
| } |
| |
| bool DropTableOperator::getAllWorkOrderProtos(WorkOrderProtosContainer *container) { |
| if (work_generated_) { |
| return true; |
| } |
| |
| serialization::WorkOrder *proto = new serialization::WorkOrder; |
| proto->set_work_order_type(serialization::DROP_TABLE); |
| proto->set_query_id(query_id_); |
| |
| std::vector<block_id> relation_blocks(relation_.getBlocksSnapshot()); |
| for (const block_id relation_block : relation_blocks) { |
| proto->AddExtension(serialization::DropTableWorkOrder::block_ids, relation_block); |
| } |
| |
| container->addWorkOrderProto(proto, op_index_); |
| |
| database_->setStatus(CatalogDatabase::Status::kPendingBlockDeletions); |
| |
| work_generated_ = true; |
| return true; |
| } |
| |
| void DropTableOperator::updateCatalogOnCompletion() { |
| const relation_id rel_id = relation_.getID(); |
| if (only_drop_blocks_) { |
| database_->getRelationByIdMutable(rel_id)->clearBlocks(); |
| } else { |
| database_->dropRelationById(rel_id); |
| } |
| |
| database_->setStatus(CatalogDatabase::Status::kConsistent); |
| } |
| |
| |
| void DropTableWorkOrder::execute() { |
| for (const block_id block : blocks_) { |
| storage_manager_->deleteBlockOrBlobFile(block); |
| } |
| |
| // Drop the relation in the cache in the distributed version, if any. |
| if (catalog_database_cache_ != nullptr && rel_id_ != kInvalidCatalogId) { |
| catalog_database_cache_->dropRelationById(rel_id_); |
| } |
| } |
| |
| } // namespace quickstep |