Files
scylladb/cql3/statements/alter_keyspace_statement.cc
Avi Kivity c3ef99f84f schema_tables: remove #include of database.hh
Distribute in source files (and one header - table_helper.hh) that need it.
2019-01-05 15:43:07 +02:00

109 lines
4.6 KiB
C++

/*
* 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.
*/
/*
* Copyright (C) 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "alter_keyspace_statement.hh"
#include "prepared_statement.hh"
#include "service/migration_manager.hh"
#include "db/system_keyspace.hh"
#include "database.hh"
bool is_system_keyspace(const sstring& keyspace);
cql3::statements::alter_keyspace_statement::alter_keyspace_statement(sstring name, ::shared_ptr<ks_prop_defs> attrs)
: _name(name)
, _attrs(std::move(attrs))
{}
const sstring& cql3::statements::alter_keyspace_statement::keyspace() const {
return _name;
}
future<> cql3::statements::alter_keyspace_statement::check_access(const service::client_state& state) {
return state.has_keyspace_access(_name, auth::permission::ALTER);
}
void cql3::statements::alter_keyspace_statement::validate(service::storage_proxy& proxy, const service::client_state& state) {
try {
service::get_local_storage_proxy().get_db().local().find_keyspace(_name); // throws on failure
auto tmp = _name;
std::transform(tmp.begin(), tmp.end(), tmp.begin(), ::tolower);
if (is_system_keyspace(tmp)) {
throw exceptions::invalid_request_exception("Cannot alter system keyspace");
}
_attrs->validate();
if (!bool(_attrs->get_replication_strategy_class()) && !_attrs->get_replication_options().empty()) {
throw exceptions::configuration_exception("Missing replication strategy class");
}
#if 0
// The strategy is validated through KSMetaData.validate() in announceKeyspaceUpdate below.
// However, for backward compatibility with thrift, this doesn't validate unexpected options yet,
// so doing proper validation here.
AbstractReplicationStrategy.validateReplicationStrategy(name,
AbstractReplicationStrategy.getClass(attrs.getReplicationStrategyClass()),
StorageService.instance.getTokenMetadata(),
DatabaseDescriptor.getEndpointSnitch(),
attrs.getReplicationOptions());
#endif
} catch (no_such_keyspace& e) {
std::throw_with_nested(exceptions::invalid_request_exception("Unknown keyspace " + _name));
}
}
future<shared_ptr<cql_transport::event::schema_change>> cql3::statements::alter_keyspace_statement::announce_migration(service::storage_proxy& proxy, bool is_local_only) {
auto old_ksm = service::get_local_storage_proxy().get_db().local().find_keyspace(_name).metadata();
return service::get_local_migration_manager().announce_keyspace_update(_attrs->as_ks_metadata_update(old_ksm), is_local_only).then([this] {
using namespace cql_transport;
return make_shared<event::schema_change>(
event::schema_change::change_type::UPDATED,
keyspace());
});
}
std::unique_ptr<cql3::statements::prepared_statement>
cql3::statements::alter_keyspace_statement::prepare(database& db, cql_stats& stats) {
return std::make_unique<prepared_statement>(make_shared<alter_keyspace_statement>(*this));
}