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/**
* 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
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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/platform/basic.h"
#include "mongo/client/dbclient_cursor.h"
#include "mongo/db/catalog/collection.h"
#include "mongo/db/catalog/database_holder.h"
#include "mongo/db/catalog/index_catalog.h"
#include "mongo/db/catalog/rename_collection.h"
#include "mongo/db/client.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/rename_collection_common.h"
#include "mongo/db/commands/rename_collection_gen.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/index/index_descriptor.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/op_observer.h"
#include "mongo/db/ops/insert.h"
#include "mongo/db/repl/replication_coordinator.h"
#include "mongo/db/service_context.h"
#include "mongo/util/scopeguard.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
namespace mongo {
using std::min;
using std::string;
using std::stringstream;
namespace {
class CmdRenameCollection : public ErrmsgCommandDeprecated {
public:
CmdRenameCollection() : ErrmsgCommandDeprecated("renameCollection") {}
virtual bool adminOnly() const {
return true;
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kNever;
}
virtual bool supportsWriteConcern(const BSONObj& cmd) const override {
return true;
}
bool collectsResourceConsumptionMetrics() const override {
return true;
}
virtual Status checkAuthForCommand(Client* client,
const std::string& dbname,
const BSONObj& cmdObj) const {
return rename_collection::checkAuthForRenameCollectionCommand(client, dbname, cmdObj);
}
std::string help() const override {
return " example: { renameCollection: foo.a, to: bar.b }";
}
std::string parseNs(const std::string& dbname, const BSONObj& cmdObj) const override {
return CommandHelpers::parseNsFullyQualified(cmdObj);
}
virtual bool errmsgRun(OperationContext* opCtx,
const string& dbname,
const BSONObj& cmdObj,
string& errmsg,
BSONObjBuilder& result) {
auto renameRequest =
RenameCollectionCommand::parse(IDLParserErrorContext("renameCollection"), cmdObj);
const auto& fromNss = renameRequest.getCommandParameter();
const auto& toNss = renameRequest.getTo();
uassert(
ErrorCodes::IllegalOperation, "Can't rename a collection to itself", fromNss != toNss);
RenameCollectionOptions options;
options.stayTemp = renameRequest.getStayTemp();
options.expectedSourceUUID = renameRequest.getCollectionUUID();
stdx::visit(
OverloadedVisitor{
[&options](bool dropTarget) { options.dropTarget = dropTarget; },
[&options](const UUID& uuid) {
options.dropTarget = true;
options.expectedTargetUUID = uuid;
},
},
renameRequest.getDropTarget());
validateAndRunRenameCollection(
opCtx, renameRequest.getCommandParameter(), renameRequest.getTo(), options);
return true;
}
} cmdrenamecollection;
} // namespace
} // namespace mongo
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