/** * Copyright (C) 2018-present MongoDB, Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the Server Side Public License, version 1, * as published by MongoDB, Inc. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * Server Side Public License for more details. * * You should have received a copy of the Server Side Public License * along with this program. If not, see * . * * As a special exception, the copyright holders give permission to link the * code of portions of this program with the OpenSSL library under certain * conditions as described in each individual source file and distribute * linked combinations including the program with the OpenSSL library. You * must comply with the Server Side Public License in all respects for * all of the code used other than as permitted herein. If you modify file(s) * with this exception, you may extend this exception to your version of the * file(s), but you are not obligated to do so. If you do not wish to do so, * delete this exception statement from your version. If you delete this * exception statement from all source files in the program, then also delete * it in the license file. */ #include "mongo/base/status.h" #include "mongo/bson/bsonelement.h" #include "mongo/bson/bsonobj.h" #include "mongo/db/catalog/collection_options.h" #include "mongo/util/uuid.h" namespace mongo { class NamespaceString; class OperationContext; namespace repl { class OpTime; } // namespace repl /** * Renames the collection from "source" to "target" and drops the existing collection with UUID * dropTargetUUID iff "dropTarget" is true. "stayTemp" indicates whether a collection should * maintain its temporariness. */ struct RenameCollectionOptions { bool dropTarget = false; OptionalCollectionUUID dropTargetUUID; bool stayTemp = false; }; Status renameCollection(OperationContext* opCtx, const NamespaceString& source, const NamespaceString& target, const RenameCollectionOptions& options); /** * As above, but may only be called from applyCommand_inlock. This allows creating a collection * with a specific UUID for cross-database renames. * * When 'cmd' contains dropTarget=true, 'renameOpTime' is used to rename the target collection to a * drop-pending collection. */ Status renameCollectionForApplyOps(OperationContext* opCtx, const std::string& dbName, const BSONElement& ui, const BSONObj& cmd, const repl::OpTime& renameOpTime); /** * Same as renameCollection(), but used for rolling back renameCollection operations only. * * 'uuid' is used to look up the source namespace. * The 'target' namespace must refer to the same database as the source. */ Status renameCollectionForRollback(OperationContext* opCtx, const NamespaceString& target, const UUID& uuid); } // namespace mongo